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Message-ID: <20130607153822.GA24882@phenom.dumpdata.com>
Date: Fri, 7 Jun 2013 11:38:22 -0400
From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To: Jiang Liu <liuj97@...il.com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
Yinghai Lu <yinghai@...nel.org>,
Jiang Liu <jiang.liu@...wei.com>,
"Rafael J . Wysocki" <rjw@...k.pl>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Gu Zheng <guz.fnst@...fujitsu.com>,
Toshi Kani <toshi.kani@...com>,
Myron Stowe <myron.stowe@...hat.com>,
Yijing Wang <wangyijing@...wei.com>, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org,
Jeremy Fitzhardinge <jeremy@...p.org>,
xen-devel@...ts.xensource.com,
virtualization@...ts.linux-foundation.org
Subject: Re: [RFC PATCH v2, part3 07/11] PCI, xen-pcifront: use new PCI
interfaces to simplify implementation
On Fri, Jun 07, 2013 at 10:50:24AM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, May 16, 2013 at 11:50:55PM +0800, Jiang Liu wrote:
> > Use new PCI interfaces to simplify xen-pcifront implementation:
> > 1) Use pci_create_root_bus() instead of pci_scan_bus_parented()
> > because pci_scan_bus_parented() is marked as __deprecated.This
> > also gets rid of a duplicated call of pci_bus_start_devices().
> > 2) Use pci_stop_root_bus() and pci_remove_root_bus() instead of
> > open-coded private implementation.
> > 3) Use pci_set_host_bridge_release() to release data structures
> > associated with PCI root buses.
> > 4) Use pci_bus_get()/pci_bus_put() to manage PCI root bus reference
> > count.
> >
> > This is also a preparation for coming PCI bus lock enhancement.
With this patch from :
Merge branch 'pci_lock_v3' of https://github.com/jiangliu/linux into testing
it blows up when detaching the device.
Parsing config from /vm-pv-discard.cfg
Daemon running with PID 4062
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.10.0-rc4upstream-00172-g909fe9e-dirty (konrad@...nom.dumpdata.com) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #2 SMP Fri Jun 7 10:55:54 EDT 2013
[ 0.000000] Command line: console=hvc0 debug
[ 0.000000] ACPI in unprivileged domain disabled
[ 0.000000] Freeing 20000-40000 pfn range: 131072 pages freed
[ 0.000000] 1-1 mapping on 20000->100000
[ 0.000000] Released 131072 pages of unused memory
[ 0.000000] Set 917504 page(s) to 1-1 mapping
[ 0.000000] Populating 100000-120000 pfn range: 131072 pages added
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable
[ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000001fffffff] usable
[ 0.000000] Xen: [mem 0x0000000020000000-0x00000000201fffff] reserved
[ 0.000000] Xen: [mem 0x0000000020200000-0x000000003fffffff] unusable
[ 0.000000] Xen: [mem 0x0000000040000000-0x00000000401fffff] reserved
[ 0.000000] Xen: [mem 0x0000000040200000-0x00000000c6cd3fff] unusable
[ 0.000000] Xen: [mem 0x00000000c6cd4000-0x00000000c6d1cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d1d000-0x00000000c6d27fff] ACPI data
[ 0.000000] Xen: [mem 0x00000000c6d28000-0x00000000c6d28fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d29000-0x00000000c6d49fff] reserved
[ 0.000000] Xen: [mem 0x00000000c6d4a000-0x00000000c6d4bfff] unusable
[ 0.000000] Xen: [mem 0x00000000c6d4c000-0x00000000c6d6cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d6d000-0x00000000c6d8ffff] reserved
[ 0.000000] Xen: [mem 0x00000000c6d90000-0x00000000c6d9cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d9d000-0x00000000c6d9ffff] reserved
[ 0.000000] Xen: [mem 0x00000000c6da0000-0x00000000c6db0fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6db1000-0x00000000c6ddcfff] reserved
[ 0.000000] Xen: [mem 0x00000000c6ddd000-0x00000000c6e1ffff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6e20000-0x00000000c6ffffff] unusable
[ 0.000000] Xen: [mem 0x00000000c7800000-0x00000000cf9fffff] reserved
[ 0.000000] Xen: [mem 0x00000000fed1c000-0x00000000fed3ffff] reserved
[ 0.000000] Xen: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] Xen: [mem 0x0000000100000000-0x000000011fffffff] usable
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI not present or invalid.
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] No AGP bridge found
[ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000
[ 0.000000] e820: last_pfn = 0x20000 max_arch_pfn = 0x400000000
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Base memory trampoline at [ffff88000009a000] 9a000 size 24576
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff]
[ 0.000000] [mem 0x11fe00000-0x11fffffff] page 4k
[ 0.000000] BRK [0x01d8a000, 0x01d8afff] PGTABLE
[ 0.000000] BRK [0x01d8b000, 0x01d8bfff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff]
[ 0.000000] [mem 0x11c000000-0x11fdfffff] page 4k
[ 0.000000] BRK [0x01d8c000, 0x01d8cfff] PGTABLE
[ 0.000000] BRK [0x01d8d000, 0x01d8dfff] PGTABLE
[ 0.000000] BRK [0x01d8e000, 0x01d8efff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff]
[ 0.000000] [mem 0x100000000-0x11bffffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff]
[ 0.000000] [mem 0x00100000-0x1fffffff] page 4k
[ 0.000000] RAMDISK: [mem 0x02197000-0x13f67fff]
[ 0.000000] NUMA turned off
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff]
[ 0.000000] NODE_DATA [mem 0x11fea2000-0x11fea5fff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal [mem 0x100000000-0x11fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009ffff]
[ 0.000000] node 0: [mem 0x00100000-0x1fffffff]
[ 0.000000] node 0: [mem 0x100000000-0x11fffffff]
[ 0.000000] On node 0 totalpages: 262047
[ 0.000000] DMA zone: 56 pages used for memmap
[ 0.000000] DMA zone: 21 pages reserved
[ 0.000000] DMA zone: 3999 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 1736 pages used for memmap
[ 0.000000] DMA32 zone: 126976 pages, LIFO batch:31
[ 0.000000] Normal zone: 1792 pages used for memmap
[ 0.000000] Normal zone: 131072 pages, LIFO batch:31
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] No local APIC present
[ 0.000000] APIC: disable apic facility
[ 0.000000] APIC: switched to apic NOOP
[ 0.000000] nr_irqs_gsi: 16
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[ 0.000000] PM: Registered nosave memory: 0000000020000000 - 0000000020200000
[ 0.000000] PM: Registered nosave memory: 0000000020200000 - 0000000040000000
[ 0.000000] PM: Registered nosave memory: 0000000040000000 - 0000000040200000
[ 0.000000] PM: Registered nosave memory: 0000000040200000 - 00000000c6cd4000
[ 0.000000] PM: Registered nosave memory: 00000000c6cd4000 - 00000000c6d1d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d1d000 - 00000000c6d28000
[ 0.000000] PM: Registered nosave memory: 00000000c6d28000 - 00000000c6d29000
[ 0.000000] PM: Registered nosave memory: 00000000c6d29000 - 00000000c6d4a000
[ 0.000000] PM: Registered nosave memory: 00000000c6d4a000 - 00000000c6d4c000
[ 0.000000] PM: Registered nosave memory: 00000000c6d4c000 - 00000000c6d6d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d6d000 - 00000000c6d90000
[ 0.000000] PM: Registered nosave memory: 00000000c6d90000 - 00000000c6d9d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d9d000 - 00000000c6da0000
[ 0.000000] PM: Registered nosave memory: 00000000c6da0000 - 00000000c6db1000
[ 0.000000] PM: Registered nosave memory: 00000000c6db1000 - 00000000c6ddd000
[ 0.000000] PM: Registered nosave memory: 00000000c6ddd000 - 00000000c6e20000
[ 0.000000] PM: Registered nosave memory: 00000000c6e20000 - 00000000c7000000
[ 0.000000] PM: Registered nosave memory: 00000000c7000000 - 00000000c7800000
[ 0.000000] PM: Registered nosave memory: 00000000c7800000 - 00000000cfa00000
[ 0.000000] PM: Registered nosave memory: 00000000cfa00000 - 00000000fed1c000
[ 0.000000] PM: Registered nosave memory: 00000000fed1c000 - 00000000fed40000
[ 0.000000] PM: Registered nosave memory: 00000000fed40000 - 00000000fee00000
[ 0.000000] PM: Registered nosave memory: 00000000fee00000 - 00000000fee01000
[ 0.000000] PM: Registered nosave memory: 00000000fee01000 - 00000000ff000000
[ 0.000000] PM: Registered nosave memory: 00000000ff000000 - 0000000100000000
[ 0.000000] e820: [mem 0xcfa00000-0xfed1bfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen
[ 0.000000] Xen version: 4.3-unstable (preserve-AD)
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88011f800000 s85632 r8192 d20864 u1048576
[ 0.000000] pcpu-alloc: s85632 r8192 d20864 u1048576 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0 1
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 258442
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: console=hvc0 debug
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Memory: 722480k/4718592k available (6698k kernel code, 3670404k absent, 325708k reserved, 4234k data, 1724k init)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2.
[ 0.000000] NR_IRQS:33024 nr_irqs:288 16
[ 0.000000] Console: colour dummy device 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] console [hvc0] enabled
[ 0.000000] Xen: using vcpuop timer interface
[ 0.000000] installing Xen timer for CPU 0
[ 0.000000] tsc: Detected 3092.926 MHz processor
[ 0.001000] Calibrating delay loop (skipped), value calculated using timer frequency.. 6185.85 BogoMIPS (lpj=3092926)
[ 0.001000] pid_max: default: 32768 minimum: 301
[ 0.001000] Security Framework initialized
[ 0.001000] SELinux: Initializing.
[ 0.001000] SELinux: Starting in permissive mode
[ 0.001000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.001000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.001000] Mount-cache hash table entries: 256
[ 0.001582] Initializing cgroup subsys freezer
[ 0.001698] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[ 0.001698] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[ 0.001708] CPU: Physical Processor ID: 0
[ 0.001712] CPU: Processor Core ID: 0
[ 0.001718] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.001718] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
[ 0.001718] tlb_flushall_shift: 5
[ 0.025468] cpu 0 spinlock event irq 17
[ 0.025566] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only.
[ 0.026081] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.026680] installing Xen timer for CPU 1
[ 0.026723] cpu 1 spinlock event irq 24
[ 0.026793] SMP alternatives: switching to SMP code
[ 0.048014] Brought up 2 CPUs
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6cd4000-0xc6d1cfff] (299008 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d28000-0xc6d28fff] (4096 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d4c000-0xc6d6cfff] (135168 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d90000-0xc6d9cfff] (53248 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6da0000-0xc6db0fff] (69632 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6ddd000-0xc6e1ffff] (274432 bytes)
[ 0.051399] kworker/u4:0 (19) used greatest stack depth: 6016 bytes left
[ 0.052492] Grant tables using version 2 layout.
[ 0.052492] Grant table initialized
[ 0.071696] RTC time: 165:165:165, date: 165/165/65
[ 0.071985] NET: Registered protocol family 16
[ 0.072173] kworker/u4:0 (22) used greatest stack depth: 5928 bytes left
[ 0.073110] kworker/u4:0 (30) used greatest stack depth: 5464 bytes left
[ 0.074030] dca service started, version 1.12.1
[ 0.074563] PCI: setting up Xen PCI frontend stub
[ 0.074568] PCI: pci_cache_line_size set to 64 bytes
[ 0.101148] bio: create slab <bio-0> at 0
[ 0.101220] ACPI: Interpreter disabled.
[ 0.102003] xen/balloon: Initialising balloon driver.
[ 0.103081] xen-balloon: Initialising balloon driver.
[ 0.104136] vgaarb: loaded
[ 0.105135] usbcore: registered new interface driver usbfs
[ 0.105135] usbcore: registered new interface driver hub
[ 0.105135] usbcore: registered new device driver usb
[ 0.106089] pps_core: LinuxPPS API ver. 1 registered
[ 0.106089] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
[ 0.106089] PTP clock support registered
[ 0.106089] PCI: System does not support PCI
[ 0.106089] PCI: System does not support PCI
[ 0.107154] NetLabel: Initializing
[ 0.107154] NetLabel: domain hash size = 128
[ 0.107154] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.107175] NetLabel: unlabeled traffic allowed by default
[ 0.108087] Switching to clocksource xen
[ 0.125349] pnp: PnP ACPI: disabled
[ 0.138965] NET: Registered protocol family 2
[ 0.139578] TCP established hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.139647] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.139668] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.193672] TCP: reno registered
[ 0.193693] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.193712] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.194030] NET: Registered protocol family 1
[ 0.194380] RPC: Registered named UNIX socket transport module.
[ 0.194389] RPC: Registered udp transport module.
[ 0.194394] RPC: Registered tcp transport module.
[ 0.194398] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.194404] PCI: CLS 0 bytes, default 64
[ 0.194570] Unpacking initramfs...
[ 0.778545] Freeing initrd memory: 292676k freed
[ 0.823501] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.823855] Machine check injector initialized
[ 0.825040] Scanning for low memory corruption every 60 seconds
[ 0.826072] audit: initializing netlink socket (disabled)
[ 0.826114] type=2000 audit(1370618465.698:1): initialized
[ 0.839204] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.839673] VFS: Disk quotas dquot_6.5.2
[ 0.839760] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.840528] NFS: Registering the id_resolver key type
[ 0.840553] Key type id_resolver registered
[ 0.840558] Key type id_legacy registered
[ 0.840587] NTFS driver 2.1.30 [Flags: R/W].
[ 0.840919] msgmni has been set to 1982
[ 0.841082] SELinux: Registering netfilter hooks
[ 0.842697] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.842706] io scheduler noop registered
[ 0.842710] io scheduler deadline registered
[ 0.842772] io scheduler cfq registered (default)
[ 0.843309] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.846284] intel_idle: does not run on family 6 model 42
[ 0.846299] ioatdma: Intel(R) QuickData Technology Driver 4.00
[ 0.847400] pcifront pci-0: Installing PCI frontend
[ 0.847417] Warning: only able to allocate 4 MB for software IO TLB
[ 0.850807] software IO TLB [mem 0x109000000-0x109400000] (4MB) mapped at [ffff880109000000-ffff8801093fffff]
[ 0.851175] pcifront pci-0: Creating PCI Frontend Bus 0000:00
[ 0.851458] pcifront pci-0: PCI host bridge to bus 0000:00
[ 0.851469] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.851478] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff]
[ 0.851487] pci_bus 0000:00: root bus resource [bus 00]
[ 0.852031] pci 0000:00:00.0: [8086:105e] type 00 class 0x020000
[ 0.852419] pci 0000:00:00.0: reg 0x10: [mem 0xfe4a0000-0xfe4bffff]
[ 0.852631] pci 0000:00:00.0: reg 0x14: [mem 0xfe480000-0xfe49ffff]
[ 0.852743] pci 0000:00:00.0: reg 0x18: [io 0xe020-0xe03f]
[ 0.853905] pcifront pci-0: New device on 0000:00:00.0 found.
[ 0.857483] pcifront pci-0: claiming resource 0000:00:00.0/0
[ 0.857490] pcifront pci-0: claiming resource 0000:00:00.0/1
[ 0.857495] pcifront pci-0: claiming resource 0000:00:00.0/2
[ 0.939621] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.942227] Non-volatile memory driver v1.3
[ 0.942414] Linux agpgart interface v0.103
[ 0.943295] [drm] Initialized drm 1.1.0 20060810
[ 0.947952] loop: module loaded
[ 0.948577] libphy: Fixed MDIO Bus: probed
[ 0.948583] tun: Universal TUN/TAP device driver, 1.6
[ 0.948588] tun: (C) 1999-2004 Max Krasnyansky <maxk@...lcomm.com>
[ 0.948913] ixgbevf: Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver - version 2.7.12-k
[ 0.948921] ixgbevf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 0.950031] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.950039] ehci_hcd: block sizes: qh 112 qtd 96 itd 192 sitd 96
[ 0.950061] ehci-pci: EHCI PCI platform driver
[ 0.950201] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.950207] ohci_hcd: block sizes: ed 80 td 96
[ 0.950357] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.950736] usbcore: registered new interface driver usblp
[ 0.951285] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 1.960646] i8042: No controller found
[ 1.960872] mousedev: PS/2 mouse device common for all mice
[ 2.021775] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 2.021941] rtc_cmos: probe of rtc_cmos failed with error -38
[ 2.023233] zram: Created 1 device(s) ...
[ 2.023567] Netfilter messages via NETLINK v0.30.
[ 2.023612] nf_conntrack version 0.5.0 (7930 buckets, 31720 max)
[ 2.023775] ctnetlink v0.93: registering with nfnetlink.
[ 2.024045] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2.024170] TCP: cubic registered
[ 2.024177] Initializing XFRM netlink socket
[ 2.024379] NET: Registered protocol family 10
[ 2.024936] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 2.025259] sit: IPv6 over IPv4 tunneling driver
[ 2.026039] NET: Registered protocol family 17
[ 2.026320] Key type dns_resolver registered
[ 2.026874] PM: Hibernation image not present or could not be loaded.
[ 2.026922] registered taskstats version 1
[ 2.027005] kmemleak: Kernel memory leak detector initialized
[ 2.027009] kmemleak: Automatic memory scanning thread started
[ 2.027437] XENBUS: Device with no driver: device/vbd/51712
[ 2.027537] Magic number: 1:252:3141
[ 2.029169] Freeing unused kernel memory: 1724k freed
[ 2.029408] Write protecting the kernel read-only data: 10240k
[ 2.033649] Freeing unused kernel memory: 1480k freed
[ 2.033908] Freeing unused kernel memory: 72k freed
init started: BusyBox v1.14.3 (2013-06-07 10:58:39 EDT)
[ 2.040621] consoletype (1038) used greatest stack depth: 5304 bytes left
Mounting directories [ OK ]
[ 2.059689] chmod (1044) used greatest stack depth: 4856 bytes left
mount: mount point /proc/bus/usb does not exist
mount: mount point /sys/kernel/config does not exist
[ 2.266374] Initialising Xen virtual ethernet driver.
[ 2.273190] vbd vbd-51712: blkfront:blkback_changed to state 2.
[ 2.283349] vbd vbd-51712: blkfront:blkback_changed to state 4.
[ 2.283356] vbd vbd-51712: blkfront_connect:/local/domain/0/backend/vbd/2/51712.
[ 2.287707] blkfront: xvda: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;
[ 2.288337] Entered do_blkif_request
[ 2.288344] Entered do_blkif_request
[ 2.288821] Entered do_blkif_request
[ 2.288829] do_blk_req ffff880108ec9e10: cmd ffff880108ec9f00, sec 0, (4/4) buffer:ffff880108ee6000 [read]
[ 2.288839] Entered do_blkif_request
[ 2.288859] Entered do_blkif_request
[ 2.288864] do_blk_req ffff880108ec9cb8: cmd ffff880108ec9da8, sec 4, (4/4) buffer:ffff880108ee6800 [read]
[ 2.288871] Entered do_blkif_request
[ 2.292721] Entered do_blkif_request
[ 2.292727] Entered do_blkif_request
[ 2.292737] Entered do_blkif_request
[ 2.292741] Entered do_blkif_request
[ 2.292780] Entered do_blkif_request
[ 2.292786] do_blk_req ffff880108ec9cb8: cmd ffff880108ec9da8, sec 8, (4/4) buffer:ffff88010f273000 [read]
[ 2.292794] Entered do_blkif_request
[ 2.292811] Entered do_blkif_request
[ 2.292816] do_blk_req ffff880108ec9e10: cmd ffff880108ec9f00, sec c, (4/4) buffer:ffff88010f273800 [read]
[ 2.292822] Entered do_blkif_request
[ 2.292940] Entered do_blkif_request
[ 2.292947] Entered do_blkif_request
[ 2.292957] Entered do_blkif_request
[ 2.292961] Entered do_blkif_request
[ 2.292974] xvda: unknown partition table
[ 2.385804] udevd (1099): /proc/1099/oom_adj is deprecated, please use /proc/1099/oom_score_adj instead.
[ 2.444038] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
[ 2.444061] e1000e: Copyright(c) 1999 - 2013 Intel Corporation.
[ 2.444110] e1000e 0000:00:00.0: Disabling ASPM L1
[ 2.444232] e1000e 0000:00:00.0: enabling device (0000 -> 0002)
[ 2.447244] e1000e 0000:00:00.0: Xen PCI mapped GSI16 to IRQ34
[ 2.447790] e1000e 0000:00:00.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
udevd-work[1106]: error opening ATTR{/sys/devices/system/cpu/cpu0/online} for writing: No such file or directory
[ 2.459644] vbd vbd-51712: command: 0x5331, argument: 0x0
[ 2.560213] ip (1325) used greatest stack depth: 3760 bytes left
[ 2.624581] e1000e 0000:00:00.0 eth0: (PCI Express:2.5GT/s:Width x4) 00:15:17:8f:18:a2
[ 2.624595] e1000e 0000:00:00.0 eth0: Intel(R) PRO/1000 Network Connection
[ 2.624675] e1000e 0000:00:00.0 eth0: MAC: 0, PHY: 4, PBA No: D50868-003
Waiting for devices [ OK ]
Waiting for fb [ OK ]
Starting..[/dev/fb0]
Could not open; err: 2
FATAL: Module agpgart_intel not found.
[ 2.814571] [drm] radeon kernel modesetting enabled.
WARNING: Error inserting video (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/acpi/video.ko): No such device
WARNING: Error inserting mxm_wmi (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/platform/x86/mxm-wmi.ko): No such device
WARNING: Error inserting drm_kms_helper (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/gpu/drm/drm_kms_helper.ko): No such device
WARNING: Error inserting ttm (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/gpu/drm/ttm/ttm.ko): No such device
FATAL: Error inserting nouveau (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/gpu/drm/nouveau/nouveau.ko): No such device
WARNING: Error inserting drm_kms_helper (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/gpu/drm/drm_kms_helper.ko): No such device
FATAL: Error inserting i915 (/lib/modules/3.10.0-rc4upstream-00172-g909fe9e-dirty/kernel/drivers/gpu/drm/i915/i915.ko): No such device
Starting..[/dev/fb0]
Could not open; err: 2
VGA: 0000:
Waiting for network [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ 3.394987] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 3.397647] device eth0 entered promiscuous mode
[ OK ]
Bringing up interface switch:
Determining IP information for switch...[ 3.452997] IPv6: ADDRCONF(NETDEV_UP): switch: link is not ready
[ 5.533965] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 5.534117] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 5.534222] switch: port 1(eth0) entered forwarding state
[ 5.534239] switch: port 1(eth0) entered forwarding state
[ 5.534302] IPv6: ADDRCONF(NETDEV_CHANGE): switch: link becomes ready
done.
[ OK ]
Waiting for init.custom [ OK ]
Starting SSHd ...
SSH started [2202]
Waiting for SSHd [ OK ]
WARNING: ssh currently running [2202] ignoring start request
FATAL: Module dump_dma not found.
ERROR: Module dump_dma does not exist in /proc/modules
[ 9.129856] SCSI subsystem initialized
[ 9.131318] Loading iSCSI transport class v2.0-870.
[ 9.134894] iscsi: registered transport (tcp)
hostname: Name or service not known
iscsistart: transport class version 2.0-870. iscsid version 2.0-872
Could not get list of targets from firmware.
Jun 7 15:21:14 (none) syslogd 1.5.0: restart.
Running in PV context on Xen v4.3.
FATAL: Module evtchn not found.
[ 9.176036] Event-channel device installed.
00:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06)
CPU0 CPU1
16: 2600 0 xen-percpu-virq timer0
17: 0 0 xen-percpu-ipi spinlock0
18: 3473 0 xen-percpu-ipi resched0
19: 0 0 xen-percpu-ipi callfunc0
20: 0 0 xen-percpu-virq debug0
21: 237 0 xen-percpu-ipi callfuncsingle0
22: 0 0 xen-percpu-ipi irqwork0
23: 0 2560 xen-percpu-virq timer1
24: 0 0 xen-percpu-ipi spinlock1
25: 0 3833 xen-percpu-ipi resched1
26: 0 0 xen-percpu-ipi callfunc1
27: 0 0 xen-percpu-virq debug1
28: 0 271 xen-percpu-ipi callfuncsingle1
29: 0 0 xen-percpu-ipi irqwork1
30: 235 0 xen-dyn-event xenbus
31: 64 0 xen-dyn-event pcifront
32: 89 0 xen-dyn-event hvc_console
33: 4 0 xen-dyn-event blkif
35: 27 0 xen-pirq-pcifront-msi eth0
NMI: 0 0 Non-maskable interrupts
LOC: 0 0 Local timer interrupts
SPU: 0 0 Spurious interrupts
PMI: 0 0 Performance monitoring interrupts
IWI: 0 0 IRQ work interrupts
RTR: 0 0 APIC ICR read retries
RES: 3473 3833 Rescheduling interrupts
CAL: 237 271 Function call interrupts
TLB: 0 0 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
MCE: 0 0 Machine check exceptions
MCP: 0 0 Machine check polls
ERR: 0
MIS: 0
00000000-00000fff : reserved
00001000-0009ffff : System RAM
000a0000-000fffff : reserved
000f0000-000fffff : System ROM
00100000-1fffffff : System RAM
01000000-0168a927 : Kernel code
0168a928-01aad2bf : Kernel data
01c65000-01d74fff : Kernel bss
20200000-3fffffff : Unusable memory
40200000-c6cd3fff : Unusable memory
c6cd4000-c6d1cfff : ACPI Non-volatile Storage
c6d1d000-c6d27fff : ACPI Tables
c6d28000-c6d28fff : ACPI Non-volatile Storage
c6d4a000-c6d4bfff : Unusable memory
c6d4c000-c6d6cfff : ACPI Non-volatile Storage
c6d90000-c6d9cfff : ACPI Non-volatile Storage
c6da0000-c6db0fff : ACPI Non-volatile Storage
c6ddd000-c6e1ffff : ACPI Non-volatile Storage
c6e20000-c6ffffff : Unusable memory
fe480000-fe49ffff : 0000:00:00.0
fe480000-fe49ffff : e1000e
fe4a0000-fe4bffff : 0000:00:00.0
fe4a0000-fe4bffff : e1000e
100000000-11fffffff : System RAM
MemTotal: 1018432 kB
MemFree: 641536 kB
Buffers: 0 kB
Cached: 310180 kB
SwapCached: 0 kB
Active: 19368 kB
Inactive: 290652 kB
Active(anon): 13120 kB
Inactive(anon): 84540 kB
Active(file): 6248 kB
Inactive(file): 206112 kB
Unevictable: 4940 kB
Mlocked: 4940 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 4684 kB
Mapped: 5152 kB
Shmem: 94284 kB
Slab: 45924 kB
SReclaimable: 12804 kB
SUnreclaim: 33120 kB
KernelStack: 432 kB
PageTables: 692 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 509216 kB
Committed_AS: 102792 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 2332 kB
VmallocChunk: 34359735931 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 1048576 kB
DirectMap2M: 0 kB
Waiting for init.late [ OK ]
PING build.dumpdata.com (192.168.102.1) 56(84) bytes of data.
--- build.dumpdata.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.208/0.208/0.208/0.000 ms
[ 9.336320] mount.nfs (2304) used greatest stack depth: 3320 bytes left
mount.nfs: access denied by server while mounting build:/srv/results
NFS done
/init.late: line 13: can't create /mnt/results/dmesg/(none)-3.10.0-rc4upstream-00172-g909fe9e-dirty.dmesg: nonexistent directory
[0x0->0x20000] pfn
[0x0->0x20000] level entry
[0x20000->0x100000] identity
[0x20000->0x100000] level middle
[0x100000->0x120000] pfn
[0x100000->0x120000] level entry
[0x120000->0x140000] level middle
[0x120000->0x7cfffff] missing
[0x140000->0x7cfffff] level top
/init.late: line 17: can't create /mnt/results/p2m/(none)-3.10.0-rc4upstream-00172-g909fe9e-dirty.p2m: nonexistent directory
libxl: error: libxl.c:87:libxl_ctx_alloc: Is xenstore daemon running?
failed to stat /var/run/xenstored.pid: No such file or directory
cannot init xl context
[ 9.669091] device-mapper: ioctl: 4.24.0-ioctl (2013-01-15) initialised: dm-devel@...hat.com
[ 9.670252] device-mapper: multipath: version 1.5.1 loaded
PING 192.168.101.2 (192.168.101.2) 56(84) bytes of data.
kill -1 1
--- 192.168.101.2 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 10000ms
/init.late: line 34: boot_parameter: not found
[ 20.576092] switch: port 1(eth0) entered forwarding state
7 Jun 15:21:27 ntpdate[2323]: adjust time server 17.171.4.15 offset -0.265117 sec
Cannot access the Hardware Clock via any known method.
Use the --debug option to see the details of our search for an access method.
Fri Jun 7 15:21:27 UTC 2013
Jun 7 15:21:27 (none) init: starting pid 2333, tty '/dev/tty0': '/bin/sh'
Jun 7 15:21:27 (none) init: starting pid 2334, tty '/dev/tty1': '/bin/sh'
Jun 7 15:21:27 (none) init: starting pid 2335, tty '/dev/ttyS0': '/bin/sh'
Jun 7 15:21:27 (none) init: starting pid 2336, tty '/dev/hvc0': '/bin/sh'
BusyBox v1.14.3 (2013-06-07 10:58:39 EDT) built-in shell (ash)
Enter 'help' for a list of built-in commands.
# kill -1 1
# Jun 7 15:21:27 (none) init: reloading /etc/inittab
# m. .dmesg
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.10.0-rc4upstream-00172-g909fe9e-dirty (konrad@...nom.dumpdata.com) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #2 SMP Fri Jun 7 10:55:54 EDT 2013
[ 0.000000] Command line: console=hvc0 debug
[ 0.000000] ACPI in unprivileged domain disabled
[ 0.000000] Freeing 20000-40000 pfn range: 131072 pages freed
[ 0.000000] 1-1 mapping on 20000->100000
[ 0.000000] Released 131072 pages of unused memory
[ 0.000000] Set 917504 page(s) to 1-1 mapping
[ 0.000000] Populating 100000-120000 pfn range: 131072 pages added
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable
[ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000001fffffff] usable
[ 0.000000] Xen: [mem 0x0000000020000000-0x00000000201fffff] reserved
[ 0.000000] Xen: [mem 0x0000000020200000-0x000000003fffffff] unusable
[ 0.000000] Xen: [mem 0x0000000040000000-0x00000000401fffff] reserved
[ 0.000000] Xen: [mem 0x0000000040200000-0x00000000c6cd3fff] unusable
[ 0.000000] Xen: [mem 0x00000000c6cd4000-0x00000000c6d1cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d1d000-0x00000000c6d27fff] ACPI data
[ 0.000000] Xen: [mem 0x00000000c6d28000-0x00000000c6d28fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d29000-0x00000000c6d49fff] reserved
[ 0.000000] Xen: [mem 0x00000000c6d4a000-0x00000000c6d4bfff] unusable
[ 0.000000] Xen: [mem 0x00000000c6d4c000-0x00000000c6d6cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d6d000-0x00000000c6d8ffff] reserved
[ 0.000000] Xen: [mem 0x00000000c6d90000-0x00000000c6d9cfff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6d9d000-0x00000000c6d9ffff] reserved
[ 0.000000] Xen: [mem 0x00000000c6da0000-0x00000000c6db0fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6db1000-0x00000000c6ddcfff] reserved
[ 0.000000] Xen: [mem 0x00000000c6ddd000-0x00000000c6e1ffff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000c6e20000-0x00000000c6ffffff] unusable
[ 0.000000] Xen: [mem 0x00000000c7800000-0x00000000cf9fffff] reserved
[ 0.000000] Xen: [mem 0x00000000fed1c000-0x00000000fed3ffff] reserved
[ 0.000000] Xen: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] Xen: [mem 0x0000000100000000-0x000000011fffffff] usable
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI not present or invalid.
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] No AGP bridge found
[ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000
[ 0.000000] e820: last_pfn = 0x20000 max_arch_pfn = 0x400000000
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Base memory trampoline at [ffff88000009a000] 9a000 size 24576
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff]
[ 0.000000] [mem 0x11fe00000-0x11fffffff] page 4k
[ 0.000000] BRK [0x01d8a000, 0x01d8afff] PGTABLE
[ 0.000000] BRK [0x01d8b000, 0x01d8bfff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff]
[ 0.000000] [mem 0x11c000000-0x11fdfffff] page 4k
[ 0.000000] BRK [0x01d8c000, 0x01d8cfff] PGTABLE
[ 0.000000] BRK [0x01d8d000, 0x01d8dfff] PGTABLE
[ 0.000000] BRK [0x01d8e000, 0x01d8efff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff]
[ 0.000000] [mem 0x100000000-0x11bffffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff]
[ 0.000000] [mem 0x00100000-0x1fffffff] page 4k
[ 0.000000] RAMDISK: [mem 0x02197000-0x13f67fff]
[ 0.000000] NUMA turned off
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff]
[ 0.000000] NODE_DATA [mem 0x11fea2000-0x11fea5fff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal [mem 0x100000000-0x11fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009ffff]
[ 0.000000] node 0: [mem 0x00100000-0x1fffffff]
[ 0.000000] node 0: [mem 0x100000000-0x11fffffff]
[ 0.000000] On node 0 totalpages: 262047
[ 0.000000] DMA zone: 56 pages used for memmap
[ 0.000000] DMA zone: 21 pages reserved
[ 0.000000] DMA zone: 3999 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 1736 pages used for memmap
[ 0.000000] DMA32 zone: 126976 pages, LIFO batch:31
[ 0.000000] Normal zone: 1792 pages used for memmap
[ 0.000000] Normal zone: 131072 pages, LIFO batch:31
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] No local APIC present
[ 0.000000] APIC: disable apic facility
[ 0.000000] APIC: switched to apic NOOP
[ 0.000000] nr_irqs_gsi: 16
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[ 0.000000] PM: Registered nosave memory: 0000000020000000 - 0000000020200000
[ 0.000000] PM: Registered nosave memory: 0000000020200000 - 0000000040000000
[ 0.000000] PM: Registered nosave memory: 0000000040000000 - 0000000040200000
[ 0.000000] PM: Registered nosave memory: 0000000040200000 - 00000000c6cd4000
[ 0.000000] PM: Registered nosave memory: 00000000c6cd4000 - 00000000c6d1d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d1d000 - 00000000c6d28000
[ 0.000000] PM: Registered nosave memory: 00000000c6d28000 - 00000000c6d29000
[ 0.000000] PM: Registered nosave memory: 00000000c6d29000 - 00000000c6d4a000
[ 0.000000] PM: Registered nosave memory: 00000000c6d4a000 - 00000000c6d4c000
[ 0.000000] PM: Registered nosave memory: 00000000c6d4c000 - 00000000c6d6d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d6d000 - 00000000c6d90000
[ 0.000000] PM: Registered nosave memory: 00000000c6d90000 - 00000000c6d9d000
[ 0.000000] PM: Registered nosave memory: 00000000c6d9d000 - 00000000c6da0000
[ 0.000000] PM: Registered nosave memory: 00000000c6da0000 - 00000000c6db1000
[ 0.000000] PM: Registered nosave memory: 00000000c6db1000 - 00000000c6ddd000
[ 0.000000] PM: Registered nosave memory: 00000000c6ddd000 - 00000000c6e20000
[ 0.000000] PM: Registered nosave memory: 00000000c6e20000 - 00000000c7000000
[ 0.000000] PM: Registered nosave memory: 00000000c7000000 - 00000000c7800000
[ 0.000000] PM: Registered nosave memory: 00000000c7800000 - 00000000cfa00000
[ 0.000000] PM: Registered nosave memory: 00000000cfa00000 - 00000000fed1c000
[ 0.000000] PM: Registered nosave memory: 00000000fed1c000 - 00000000fed40000
[ 0.000000] PM: Registered nosave memory: 00000000fed40000 - 00000000fee00000
[ 0.000000] PM: Registered nosave memory: 00000000fee00000 - 00000000fee01000
[ 0.000000] PM: Registered nosave memory: 00000000fee01000 - 00000000ff000000
[ 0.000000] PM: Registered nosave memory: 00000000ff000000 - 0000000100000000
[ 0.000000] e820: [mem 0xcfa00000-0xfed1bfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen
[ 0.000000] Xen version: 4.3-unstable (preserve-AD)
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88011f800000 s85632 r8192 d20864 u1048576
[ 0.000000] pcpu-alloc: s85632 r8192 d20864 u1048576 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0 1
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 258442
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: console=hvc0 debug
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Memory: 722480k/4718592k available (6698k kernel code, 3670404k absent, 325708k reserved, 4234k data, 1724k init)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2.
[ 0.000000] NR_IRQS:33024 nr_irqs:288 16
[ 0.000000] Console: colour dummy device 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] console [hvc0] enabled
[ 0.000000] Xen: using vcpuop timer interface
[ 0.000000] installing Xen timer for CPU 0
[ 0.000000] tsc: Detected 3092.926 MHz processor
[ 0.001000] Calibrating delay loop (skipped), value calculated using timer frequency.. 6185.85 BogoMIPS (lpj=3092926)
[ 0.001000] pid_max: default: 32768 minimum: 301
[ 0.001000] Security Framework initialized
[ 0.001000] SELinux: Initializing.
[ 0.001000] SELinux: Starting in permissive mode
[ 0.001000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.001000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.001000] Mount-cache hash table entries: 256
[ 0.001582] Initializing cgroup subsys freezer
[ 0.001698] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[ 0.001698] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[ 0.001708] CPU: Physical Processor ID: 0
[ 0.001712] CPU: Processor Core ID: 0
[ 0.001718] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.001718] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
[ 0.001718] tlb_flushall_shift: 5
[ 0.025468] cpu 0 spinlock event irq 17
[ 0.025566] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only.
[ 0.026081] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.026680] installing Xen timer for CPU 1
[ 0.026723] cpu 1 spinlock event irq 24
[ 0.026793] SMP alternatives: switching to SMP code
[ 0.048014] Brought up 2 CPUs
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6cd4000-0xc6d1cfff] (299008 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d28000-0xc6d28fff] (4096 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d4c000-0xc6d6cfff] (135168 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6d90000-0xc6d9cfff] (53248 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6da0000-0xc6db0fff] (69632 bytes)
[ 0.051334] PM: Registering ACPI NVS region [mem 0xc6ddd000-0xc6e1ffff] (274432 bytes)
[ 0.051399] kworker/u4:0 (19) used greatest stack depth: 6016 bytes left
[ 0.052492] Grant tables using version 2 layout.
[ 0.052492] Grant table initialized
[ 0.071696] RTC time: 165:165:165, date: 165/165/65
[ 0.071985] NET: Registered protocol family 16
[ 0.072173] kworker/u4:0 (22) used greatest stack depth: 5928 bytes left
[ 0.073110] kworker/u4:0 (30) used greatest stack depth: 5464 bytes left
[ 0.074030] dca service started, version 1.12.1
[ 0.074563] PCI: setting up Xen PCI frontend stub
[ 0.074568] PCI: pci_cache_line_size set to 64 bytes
[ 0.101148] bio: create slab <bio-0> at 0
[ 0.101220] ACPI: Interpreter disabled.
[ 0.102003] xen/balloon: Initialising balloon driver.
[ 0.103081] xen-balloon: Initialising balloon driver.
[ 0.104136] vgaarb: loaded
[ 0.105135] usbcore: registered new interface driver usbfs
[ 0.105135] usbcore: registered new interface driver hub
[ 0.105135] usbcore: registered new device driver usb
[ 0.106089] pps_core: LinuxPPS API ver. 1 registered
[ 0.106089] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
[ 0.106089] PTP clock support registered
[ 0.106089] PCI: System does not support PCI
[ 0.106089] PCI: System does not support PCI
[ 0.107154] NetLabel: Initializing
[ 0.107154] NetLabel: domain hash size = 128
[ 0.107154] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.107175] NetLabel: unlabeled traffic allowed by default
[ 0.108087] Switching to clocksource xen
[ 0.125349] pnp: PnP ACPI: disabled
[ 0.138965] NET: Registered protocol family 2
[ 0.139578] TCP established hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.139647] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.139668] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.193672] TCP: reno registered
[ 0.193693] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.193712] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.194030] NET: Registered protocol family 1
[ 0.194380] RPC: Registered named UNIX socket transport module.
[ 0.194389] RPC: Registered udp transport module.
[ 0.194394] RPC: Registered tcp transport module.
[ 0.194398] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.194404] PCI: CLS 0 bytes, default 64
[ 0.194570] Unpacking initramfs...
[ 0.778545] Freeing initrd memory: 292676k freed
[ 0.823501] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.823855] Machine check injector initialized
[ 0.825040] Scanning for low memory corruption every 60 seconds
[ 0.826072] audit: initializing netlink socket (disabled)
[ 0.826114] type=2000 audit(1370618465.698:1): initialized
[ 0.839204] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.839673] VFS: Disk quotas dquot_6.5.2
[ 0.839760] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.840528] NFS: Registering the id_resolver key type
[ 0.840553] Key type id_resolver registered
[ 0.840558] Key type id_legacy registered
[ 0.840587] NTFS driver 2.1.30 [Flags: R/W].
[ 0.840919] msgmni has been set to 1982
[ 0.841082] SELinux: Registering netfilter hooks
[ 0.842697] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.842706] io scheduler noop registered
[ 0.842710] io scheduler deadline registered
[ 0.842772] io scheduler cfq registered (default)
[ 0.843309] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.846284] intel_idle: does not run on family 6 model 42
[ 0.846299] ioatdma: Intel(R) QuickData Technology Driver 4.00
[ 0.847400] pcifront pci-0: Installing PCI frontend
[ 0.847417] Warning: only able to allocate 4 MB for software IO TLB
[ 0.850807] software IO TLB [mem 0x109000000-0x109400000] (4MB) mapped at [ffff880109000000-ffff8801093fffff]
[ 0.851175] pcifront pci-0: Creating PCI Frontend Bus 0000:00
[ 0.851458] pcifront pci-0: PCI host bridge to bus 0000:00
[ 0.851469] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.851478] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff]
[ 0.851487] pci_bus 0000:00: root bus resource [bus 00]
[ 0.852031] pci 0000:00:00.0: [8086:105e] type 00 class 0x020000
[ 0.852419] pci 0000:00:00.0: reg 0x10: [mem 0xfe4a0000-0xfe4bffff]
[ 0.852631] pci 0000:00:00.0: reg 0x14: [mem 0xfe480000-0xfe49ffff]
[ 0.852743] pci 0000:00:00.0: reg 0x18: [io 0xe020-0xe03f]
[ 0.853905] pcifront pci-0: New device on 0000:00:00.0 found.
[ 0.857483] pcifront pci-0: claiming resource 0000:00:00.0/0
[ 0.857490] pcifront pci-0: claiming resource 0000:00:00.0/1
[ 0.857495] pcifront pci-0: claiming resource 0000:00:00.0/2
[ 0.939621] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.942227] Non-volatile memory driver v1.3
[ 0.942414] Linux agpgart interface v0.103
[ 0.943295] [drm] Initialized drm 1.1.0 20060810
[ 0.947952] loop: module loaded
[ 0.948577] libphy: Fixed MDIO Bus: probed
[ 0.948583] tun: Universal TUN/TAP device driver, 1.6
[ 0.948588] tun: (C) 1999-2004 Max Krasnyansky <maxk@...lcomm.com>
[ 0.948913] ixgbevf: Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver - version 2.7.12-k
[ 0.948921] ixgbevf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 0.950031] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.950039] ehci_hcd: block sizes: qh 112 qtd 96 itd 192 sitd 96
[ 0.950061] ehci-pci: EHCI PCI platform driver
[ 0.950201] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.950207] ohci_hcd: block sizes: ed 80 td 96
[ 0.950357] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.950736] usbcore: registered new interface driver usblp
[ 0.951285] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 1.960646] i8042: No controller found
[ 1.960872] mousedev: PS/2 mouse device common for all mice
[ 2.021775] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 2.021941] rtc_cmos: probe of rtc_cmos failed with error -38
[ 2.023233] zram: Created 1 device(s) ...
[ 2.023567] Netfilter messages via NETLINK v0.30.
[ 2.023612] nf_conntrack version 0.5.0 (7930 buckets, 31720 max)
[ 2.023775] ctnetlink v0.93: registering with nfnetlink.
[ 2.024045] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2.024170] TCP: cubic registered
[ 2.024177] Initializing XFRM netlink socket
[ 2.024379] NET: Registered protocol family 10
[ 2.024936] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 2.025259] sit: IPv6 over IPv4 tunneling driver
[ 2.026039] NET: Registered protocol family 17
[ 2.026320] Key type dns_resolver registered
[ 2.026874] PM: Hibernation image not present or could not be loaded.
[ 2.026922] registered taskstats version 1
[ 2.027005] kmemleak: Kernel memory leak detector initialized
[ 2.027009] kmemleak: Automatic memory scanning thread started
[ 2.027437] XENBUS: Device with no driver: device/vbd/51712
[ 2.027537] Magic number: 1:252:3141
[ 2.029169] Freeing unused kernel memory: 1724k freed
[ 2.029408] Write protecting the kernel read-only data: 10240k
[ 2.033649] Freeing unused kernel memory: 1480k freed
[ 2.033908] Freeing unused kernel memory: 72k freed
[ 2.040621] consoletype (1038) used greatest stack depth: 5304 bytes left
[ 2.059689] chmod (1044) used greatest stack depth: 4856 bytes left
[ 2.266374] Initialising Xen virtual ethernet driver.
[ 2.273190] vbd vbd-51712: blkfront:blkback_changed to state 2.
[ 2.283349] vbd vbd-51712: blkfront:blkback_changed to state 4.
[ 2.283356] vbd vbd-51712: blkfront_connect:/local/domain/0/backend/vbd/2/51712.
[ 2.287707] blkfront: xvda: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;
[ 2.288337] Entered do_blkif_request
[ 2.288344] Entered do_blkif_request
[ 2.288821] Entered do_blkif_request
[ 2.288829] do_blk_req ffff880108ec9e10: cmd ffff880108ec9f00, sec 0, (4/4) buffer:ffff880108ee6000 [read]
[ 2.288839] Entered do_blkif_request
[ 2.288859] Entered do_blkif_request
[ 2.288864] do_blk_req ffff880108ec9cb8: cmd ffff880108ec9da8, sec 4, (4/4) buffer:ffff880108ee6800 [read]
[ 2.288871] Entered do_blkif_request
[ 2.292721] Entered do_blkif_request
[ 2.292727] Entered do_blkif_request
[ 2.292737] Entered do_blkif_request
[ 2.292741] Entered do_blkif_request
[ 2.292780] Entered do_blkif_request
[ 2.292786] do_blk_req ffff880108ec9cb8: cmd ffff880108ec9da8, sec 8, (4/4) buffer:ffff88010f273000 [read]
[ 2.292794] Entered do_blkif_request
[ 2.292811] Entered do_blkif_request
[ 2.292816] do_blk_req ffff880108ec9e10: cmd ffff880108ec9f00, sec c, (4/4) buffer:ffff88010f273800 [read]
[ 2.292822] Entered do_blkif_request
[ 2.292940] Entered do_blkif_request
[ 2.292947] Entered do_blkif_request
[ 2.292957] Entered do_blkif_request
[ 2.292961] Entered do_blkif_request
[ 2.292974] xvda: unknown partition table
[ 2.385804] udevd (1099): /proc/1099/oom_adj is deprecated, please use /proc/1099/oom_score_adj instead.
[ 2.444038] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
[ 2.444061] e1000e: Copyright(c) 1999 - 2013 Intel Corporation.
[ 2.444110] e1000e 0000:00:00.0: Disabling ASPM L1
[ 2.444232] e1000e 0000:00:00.0: enabling device (0000 -> 0002)
[ 2.447244] e1000e 0000:00:00.0: Xen PCI mapped GSI16 to IRQ34
[ 2.447790] e1000e 0000:00:00.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 2.459644] vbd vbd-51712: command: 0x5331, argument: 0x0
[ 2.560213] ip (1325) used greatest stack depth: 3760 bytes left
[ 2.624581] e1000e 0000:00:00.0 eth0: (PCI Express:2.5GT/s:Width x4) 00:15:17:8f:18:a2
[ 2.624595] e1000e 0000:00:00.0 eth0: Intel(R) PRO/1000 Network Connection
[ 2.624675] e1000e 0000:00:00.0 eth0: MAC: 0, PHY: 4, PBA No: D50868-003
[ 2.814571] [drm] radeon kernel modesetting enabled.
[ 3.394987] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 3.397647] device eth0 entered promiscuous mode
[ 3.452997] IPv6: ADDRCONF(NETDEV_UP): switch: link is not ready
[ 5.533965] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 5.534117] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 5.534222] switch: port 1(eth0) entered forwarding state
[ 5.534239] switch: port 1(eth0) entered forwarding state
[ 5.534302] IPv6: ADDRCONF(NETDEV_CHANGE): switch: link becomes ready
[ 9.129856] SCSI subsystem initialized
[ 9.131318] Loading iSCSI transport class v2.0-870.
[ 9.134894] iscsi: registered transport (tcp)
[ 9.176036] Event-channel device installed.
[ 9.336320] mount.nfs (2304) used greatest stack depth: 3320 bytes left
[ 9.669091] device-mapper: ioctl: 4.24.0-ioctl (2013-01-15) initialised: dm-devel@...hat.com
[ 9.670252] device-mapper: multipath: version 1.5.1 loaded
[ 20.576092] switch: port 1(eth0) entered forwarding state
# lspci
00:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06)
# ifconfig
eth0 Link encap:Ethernet HWaddr 00:15:17:8F:18:A2
inet6 addr: fe80::215:17ff:fe8f:18a2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:116 errors:0 dropped:0 overruns:0 frame:0
TX packets:141 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12017 (11.7 KiB) TX bytes:13404 (13.0 KiB)
Interrupt:34 Memory:fe4a0000-fe4c0000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:520 (520.0 b) TX bytes:520 (520.0 b)
switch Link encap:Ethernet HWaddr 00:15:17:8F:18:A2
inet addr:192.168.102.210 Bcast:192.168.102.255 Mask:255.255.255.0
inet6 addr: fe80::215:17ff:fe8f:18a2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:116 errors:0 dropped:0 overruns:0 frame:0
TX packets:134 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:9929 (9.6 KiB) TX bytes:12244 (11.9 KiB)
# eth...# ethtool .[J-i eth0
driver: e1000e
version: 2.3.2-k
firmware-version: 5.11-2
bus-info: 0000:00:00.0
# rmmod e1000e
[ 39.032406] switch: port 1(eth0) entered disabled state
[ 39.032576] device eth0 left promiscuous mode
[ 39.032583] switch: port 1(eth0) entered disabled state
# miod. .. .. .odprobe e1000e
[ 42.614015] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
[ 42.614026] e1000e: Copyright(c) 1999 - 2013 Intel Corporation.
[ 42.614080] e1000e 0000:00:00.0: Disabling ASPM L1
[ 42.614172] xen_map_pirq_gsi: returning irq 34 for gsi 16
[ 42.614181] e1000e 0000:00:00.0: Xen PCI mapped GSI16 to IRQ34
[ 42.615024] e1000e 0000:00:00.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 42.790351] e1000e 0000:00:00.0 eth0: (PCI Express:2.5GT/s:Width x4) 00:15:17:8f:18:a2
[ 42.790363] e1000e 0000:00:00.0 eth0: Intel(R) PRO/1000 Network Connection
[ 42.790448] e1000e 0000:00:00.0 eth0: MAC: 0, PHY: 4, PBA No: D50868-003
# [ 43.103936] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 43.106574] device eth0 entered promiscuous mode
rmmod e100[ 45.190968] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 45.191117] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 45.191210] switch: port 1(eth0) entered forwarding state
[ 45.191227] switch: port 1(eth0) entered forwarding state
0e
[ 46.621376] switch: port 1(eth0) entered disabled state
[ 46.621538] device eth0 left promiscuous mode
[ 46.621547] switch: port 1(eth0) entered disabled state
#
DETACHING HERE..
#
# [ 53.802739] pcifront pci-0: Rescanning PCI Frontend Bus 0000:00
[ 53.887894] pci_bus 0000:00: busn_res: [bus 00] is released
[ 53.888042] ------------[ cut here ]------------
[ 53.888055] WARNING: at /home/konrad/linux/include/linux/kref.h:47 klist_iter_init_node+0x3e/0x50()
[ 53.888073] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c radeon fbcon tileblit font bitblit softcursor ttm drm_kms_helper crc32c_intel xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd [last unloaded: e1000e]
[ 53.888151] CPU: 1 PID: 26 Comm: xenwatch Not tainted 3.10.0-rc4upstream-00172-g909fe9e-dirty #2
[ 53.888158] ffffffff819392b8 ffff88011e3c1b88 ffffffff8167a27d ffff88011e3c1bc8
[ 53.888171] ffffffff8108d1eb ffff880109536a00 ffff88011e3c1c18 0000000000000000
[ 53.888186] ffffffff8131c410 0000000000000000 ffff88011e3c1e70 ffff88011e3c1bd8
[ 53.888197] Call Trace:
[ 53.888203] [<ffffffff8167a27d>] dump_stack+0x19/0x1b
[ 53.888212] [<ffffffff8108d1eb>] warn_slowpath_common+0x6b/0xa0
[ 53.888220] [<ffffffff8131c410>] ? pci_match_next_bus+0x10/0x10
[ 53.888227] [<ffffffff8108d235>] warn_slowpath_null+0x15/0x20
[ 53.888234] [<ffffffff81663b4e>] klist_iter_init_node+0x3e/0x50
[ 53.888242] [<ffffffff8142117d>] class_dev_iter_init+0x3d/0x50
[ 53.888248] [<ffffffff81421348>] class_find_device+0x38/0xb0
[ 53.888255] [<ffffffff8131c8aa>] pci_get_next_root_bus+0x4a/0x80
[ 53.888262] [<ffffffff8132f6a5>] pcifront_free_roots+0x25/0x60
[ 53.888268] [<ffffffff8132f6f1>] free_pdev+0x11/0x80
[ 53.888274] [<ffffffff8132f77a>] pcifront_xenbus_remove+0x1a/0x20
[ 53.888283] [<ffffffff813abae8>] xenbus_dev_remove+0x38/0x70
[ 53.888289] [<ffffffff8141ffc1>] __device_release_driver+0x61/0xd0
[ 53.888296] [<ffffffff81420148>] device_release_driver+0x28/0x40
[ 53.888302] [<ffffffff8141f296>] bus_remove_device+0x106/0x140
[ 53.888310] [<ffffffff8141d120>] device_del+0x110/0x1c0
[ 53.888316] [<ffffffff8141d1e1>] device_unregister+0x11/0x20
[ 53.888323] [<ffffffff813ab946>] xenbus_dev_changed+0x96/0x1d0
[ 53.888331] [<ffffffff81048bd6>] ? xen_spin_lock+0xa6/0x110
[ 53.888338] [<ffffffff813ad2f6>] frontend_changed+0x16/0x20
[ 53.888345] [<ffffffff813a9c5b>] xenwatch_thread+0xcb/0x190
[ 53.888352] [<ffffffff810b49d0>] ? wake_up_bit+0x40/0x40
[ 53.888359] [<ffffffff813a9b90>] ? xs_watch+0x60/0x60
[ 53.888365] [<ffffffff810b42e6>] kthread+0xc6/0xd0
[ 53.888371] [<ffffffff8103a149>] ? xen_end_context_switch+0x19/0x20
[ 53.888378] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.888386] [<ffffffff8168623c>] ret_from_fork+0x7c/0xb0
[ 53.888392] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.888397] ---[ end trace 918a23c9bada3aed ]---
[ 53.888402] ------------[ cut here ]------------
[ 53.888407] WARNING: at /home/konrad/linux/lib/klist.c:189 klist_release+0x112/0x120()
[ 53.888412] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c radeon fbcon tileblit font bitblit softcursor ttm drm_kms_helper crc32c_intel xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd [last unloaded: e1000e]
[ 53.888478] CPU: 1 PID: 26 Comm: xenwatch Tainted: G W 3.10.0-rc4upstream-00172-g909fe9e-dirty #2
[ 53.888484] ffffffff819a3648 ffff88011e3c1b18 ffffffff8167a27d ffff88011e3c1b58
[ 53.888495] ffffffff8108d1eb 0000000000000010 ffff880109533aa8 ffff880109533a90
[ 53.888506] ffffffff81421460 0000000000000000 dead000000100100 ffff88011e3c1b68
[ 53.888517] Call Trace:
[ 53.888523] [<ffffffff8167a27d>] dump_stack+0x19/0x1b
[ 53.888529] [<ffffffff8108d1eb>] warn_slowpath_common+0x6b/0xa0
[ 53.888536] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.888543] [<ffffffff8108d235>] warn_slowpath_null+0x15/0x20
[ 53.888549] [<ffffffff81663c82>] klist_release+0x112/0x120
[ 53.888556] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.888563] [<ffffffff81663cb8>] klist_dec_and_del+0x28/0x30
[ 53.888601] [<ffffffff81663eb5>] klist_next+0x45/0x140
[ 53.888608] [<ffffffff8131c410>] ? pci_match_next_bus+0x10/0x10
[ 53.888615] [<ffffffff81421108>] class_dev_iter_next+0x18/0x50
[ 53.888621] [<ffffffff81421358>] class_find_device+0x48/0xb0
[ 53.888628] [<ffffffff8131c8aa>] pci_get_next_root_bus+0x4a/0x80
[ 53.888634] [<ffffffff8132f6a5>] pcifront_free_roots+0x25/0x60
[ 53.888640] [<ffffffff8132f6f1>] free_pdev+0x11/0x80
[ 53.888646] [<ffffffff8132f77a>] pcifront_xenbus_remove+0x1a/0x20
[ 53.888653] [<ffffffff813abae8>] xenbus_dev_remove+0x38/0x70
[ 53.888660] [<ffffffff8141ffc1>] __device_release_driver+0x61/0xd0
[ 53.888667] [<ffffffff81420148>] device_release_driver+0x28/0x40
[ 53.888673] [<ffffffff8141f296>] bus_remove_device+0x106/0x140
[ 53.888680] [<ffffffff8141d120>] device_del+0x110/0x1c0
[ 53.888688] [<ffffffff8141d1e1>] device_unregister+0x11/0x20
[ 53.888694] [<ffffffff813ab946>] xenbus_dev_changed+0x96/0x1d0
[ 53.888701] [<ffffffff81048bd6>] ? xen_spin_lock+0xa6/0x110
[ 53.888708] [<ffffffff813ad2f6>] frontend_changed+0x16/0x20
[ 53.888714] [<ffffffff813a9c5b>] xenwatch_thread+0xcb/0x190
[ 53.888721] [<ffffffff810b49d0>] ? wake_up_bit+0x40/0x40
[ 53.888727] [<ffffffff813a9b90>] ? xs_watch+0x60/0x60
[ 53.888733] [<ffffffff810b42e6>] kthread+0xc6/0xd0
[ 53.888739] [<ffffffff8103a149>] ? xen_end_context_switch+0x19/0x20
[ 53.888746] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.888755] [<ffffffff8168623c>] ret_from_fork+0x7c/0xb0
[ 53.888761] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.888766] ---[ end trace 918a23c9bada3aee ]---
[ 53.888776] general protection fault: 0000 [#1] SMP
[ 53.888783] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c radeon fbcon tileblit font bitblit softcursor ttm drm_kms_helper crc32c_intel xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd [last unloaded: e1000e]
[ 53.888847] CPU: 1 PID: 26 Comm: xenwatch Tainted: G W 3.10.0-rc4upstream-00172-g909fe9e-dirty #2
[ 53.888853] task: ffff88011e2eb800 ti: ffff88011e3c0000 task.ti: ffff88011e3c0000
[ 53.888859] RIP: e030:[<ffffffff81663baa>] [<ffffffff81663baa>] klist_release+0x3a/0x120
[ 53.888867] RSP: e02b:ffff88011e3c1b78 EFLAGS: 00010292
[ 53.888872] RAX: dead000000200200 RBX: ffff880109533aa8 RCX: 0000006c3739ee67
[ 53.888877] RDX: dead000000100100 RSI: dead000000200200 RDI: dead000000100100
[ 53.888882] RBP: ffff88011e3c1b98 R08: 00000000a589f9bc R09: 0720072007200720
[ 53.888887] R10: 0720072007200720 R11: 0720072007200720 R12: ffff880109533a90
[ 53.888892] R13: ffffffff81421460 R14: 0000000000000000 R15: dead000000100100
[ 53.888900] FS: 00007fe6ef1d97a0(0000) GS:ffff88011f900000(0000) knlGS:0000000000000000
[ 53.888907] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.888912] CR2: 00007f1c4090ddd0 CR3: 000000010f0cd000 CR4: 0000000000042660
[ 53.888917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.888923] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 53.888928] Stack:
[ 53.888932] ffff880109533a90 ffff88011e3c1c18 ffff880109533a90 ffffffff81421460
[ 53.888943] ffff88011e3c1ba8 ffffffff81663cb8 ffff88011e3c1be8 ffffffff81663eb5
[ 53.888954] 0000000000000000 ffff88011e3c1c18 0000000000000000 ffffffff8131c410
[ 53.888965] Call Trace:
[ 53.888971] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.888978] [<ffffffff81663cb8>] klist_dec_and_del+0x28/0x30
[ 53.888985] [<ffffffff81663eb5>] klist_next+0x45/0x140
[ 53.888992] [<ffffffff8131c410>] ? pci_match_next_bus+0x10/0x10
[ 53.888999] [<ffffffff81421108>] class_dev_iter_next+0x18/0x50
[ 53.889006] [<ffffffff81421358>] class_find_device+0x48/0xb0
[ 53.889012] [<ffffffff8131c8aa>] pci_get_next_root_bus+0x4a/0x80
[ 53.889020] [<ffffffff8132f6a5>] pcifront_free_roots+0x25/0x60
[ 53.889026] [<ffffffff8132f6f1>] free_pdev+0x11/0x80
[ 53.889032] [<ffffffff8132f77a>] pcifront_xenbus_remove+0x1a/0x20
[ 53.889039] [<ffffffff813abae8>] xenbus_dev_remove+0x38/0x70
[ 53.889046] [<ffffffff8141ffc1>] __device_release_driver+0x61/0xd0
[ 53.889054] [<ffffffff81420148>] device_release_driver+0x28/0x40
[ 53.889062] [<ffffffff8141f296>] bus_remove_device+0x106/0x140
[ 53.889064] [<ffffffff8141d120>] device_del+0x110/0x1c0
[ 53.889064] [<ffffffff8141d1e1>] device_unregister+0x11/0x20
[ 53.889064] [<ffffffff813ab946>] xenbus_dev_changed+0x96/0x1d0
[ 53.889064] [<ffffffff81048bd6>] ? xen_spin_lock+0xa6/0x110
[ 53.889064] [<ffffffff813ad2f6>] frontend_changed+0x16/0x20
[ 53.889064] [<ffffffff813a9c5b>] xenwatch_thread+0xcb/0x190
[ 53.889064] [<ffffffff810b49d0>] ? wake_up_bit+0x40/0x40
[ 53.889064] [<ffffffff813a9b90>] ? xs_watch+0x60/0x60
[ 53.889064] [<ffffffff810b42e6>] kthread+0xc6/0xd0
[ 53.889064] [<ffffffff8103a149>] ? xen_end_context_switch+0x19/0x20
[ 53.889064] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.889064] [<ffffffff8168623c>] ret_from_fork+0x7c/0xb0
[ 53.889064] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 53.889064] Code: fb 48 83 ec 08 f6 47 e8 01 0f 84 e3 00 00 00 48 8b 43 f8 48 8b 53 f0 48 bf 00 01 10 00 00 00 ad de 48 be 00 02 20 00 00 00 ad de <48> 89 42 08 48 89 10 48 89 7b f0 48 89 73 f8 48 c7 c7 54 44 d7
[ 53.889064] RIP [<ffffffff81663baa>] klist_release+0x3a/0x120
[ 53.889064] RSP <ffff88011e3c1b78>
[ 53.889285] ---[ end trace 918a23c9bada3aef ]---
[ 53.889290] BUG: sleeping function called from invalid context at /home/konrad/linux/kernel/rwsem.c:20
[ 53.889296] in_atomic(): 1, irqs_disabled(): 0, pid: 26, name: xenwatch
[ 53.889302] CPU: 1 PID: 26 Comm: xenwatch Tainted: G D W 3.10.0-rc4upstream-00172-g909fe9e-dirty #2
[ 53.889307] 000000000000000b ffff88011e3c1928 ffffffff8167a27d ffff88011e3c1938
[ 53.889319] ffffffff810bf5a8 ffff88011e3c1958 ffffffff8167b56f 0720072007200720
[ 53.889331] ffff88011e2eb800 ffff88011e3c1998 ffffffff810a279a 0000000000000000
[ 53.889342] Call Trace:
[ 53.889347] [<ffffffff8167a27d>] dump_stack+0x19/0x1b
[ 53.889354] [<ffffffff810bf5a8>] __might_sleep+0xd8/0x100
[ 53.889360] [<ffffffff8167b56f>] down_read+0x1f/0x40
[ 53.889368] [<ffffffff810a279a>] exit_signals+0x2a/0x170
[ 53.889374] [<ffffffff81091ddf>] do_exit+0xaf/0xbe0
[ 53.889380] [<ffffffff8167a12e>] ? printk+0x48/0x4a
[ 53.889387] [<ffffffff810423f2>] ? check_events+0x12/0x20
[ 53.889394] [<ffffffff8167f220>] oops_end+0xb0/0xf0
[ 53.889401] [<ffffffff8104da06>] die+0x56/0x90
[ 53.889407] [<ffffffff8167effc>] do_general_protection+0xdc/0x160
[ 53.889414] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.889420] [<ffffffff8167e668>] general_protection+0x28/0x30
[ 53.889427] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.889434] [<ffffffff81663baa>] ? klist_release+0x3a/0x120
[ 53.889441] [<ffffffff81663c82>] ? klist_release+0x112/0x120
[ 53.889447] [<ffffffff81421460>] ? class_for_each_device+0xa0/0xa0
[ 53.889454] [<ffffffff81663cb8>] klist_dec_and_del+0x28/0x30
[ 53.889461] [<ffffffff81663eb5>] klist_next+0x45/0x140
[ 53.889467] [<ffffffff8131c410>] ? pci_match_next_bus+0x10/0x10
[ 53.889473] [<ffffffff81421108>] class_dev_iter_next+0x18/0x50
[ 53.889480] [<ffffffff81421358>] class_find_device+0x48/0xb0
[ 53.889486] [<ffffffff8131c8aa>] pci_get_next_root_bus+0x4a/0x80
[ 53.889493] [<ffffffff8132f6a5>] pcifront_free_roots+0x25/0x60
[ 54.002497] [<ffffffff8132f6f1>] free_pdev+0x11/0x80
[ 54.002505] [<ffffffff8132f77a>] pcifront_xenbus_remove+0x1a/0x20
[ 54.002516] [<ffffffff813abae8>] xenbus_dev_remove+0x38/0x70
[ 54.002524] [<ffffffff8141ffc1>] __device_release_driver+0x61/0xd0
[ 54.002530] [<ffffffff81420148>] device_release_driver+0x28/0x40
[ 54.002537] [<ffffffff8141f296>] bus_remove_device+0x106/0x140
[ 54.002544] [<ffffffff8141d120>] device_del+0x110/0x1c0
[ 54.002551] [<ffffffff8141d1e1>] device_unregister+0x11/0x20
[ 54.002558] [<ffffffff813ab946>] xenbus_dev_changed+0x96/0x1d0
[ 54.002567] [<ffffffff81048bd6>] ? xen_spin_lock+0xa6/0x110
[ 54.002574] [<ffffffff813ad2f6>] frontend_changed+0x16/0x20
[ 54.002581] [<ffffffff813a9c5b>] xenwatch_thread+0xcb/0x190
[ 54.002588] [<ffffffff810b49d0>] ? wake_up_bit+0x40/0x40
[ 54.002595] [<ffffffff813a9b90>] ? xs_watch+0x60/0x60
[ 54.002601] [<ffffffff810b42e6>] kthread+0xc6/0xd0
[ 54.002607] [<ffffffff8103a149>] ? xen_end_context_switch+0x19/0x20
[ 54.002615] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 54.002624] [<ffffffff8168623c>] ret_from_fork+0x7c/0xb0
[ 54.002630] [<ffffffff810b4220>] ? kthread_freezable_should_stop+0x80/0x80
[ 54.002637] note: xenwatch[26] exited with preempt_count 1
#
#
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