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Message-ID: <20140307102107.GA21656@localhost>
Date: Fri, 7 Mar 2014 18:21:07 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Stefani Seibold <stefani@...bold.net>
Cc: "H. Peter Anvin" <hpa@...ux.intel.com>,
linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [x86, vdso] BUG: unable to handle kernel paging request at
d34bd000
Hi Stefani,
On Fri, Mar 07, 2014 at 10:57:28AM +0100, Stefani Seibold wrote:
> Hi Fengguang,
>
> did you test the config i had sent to you?
>
> My test was all done with current 3.14-rc tree. And with this i have no
> problem.
The regression is found on commit 4dea8e4824b363c53f320d328040d7c6c5921419
("x86, vdso: Add 32 bit VDSO time support for 32 bit kernel") in tip tree.
In the bisect log, you can see that next-20140306 is GOOD. So there's
no way you can find the bug in 3.14-rcX.
> I just cloned the tip tree and i figured out that the patch was dropped
> again (BTW: git log does not show that it was ever applied).
You can still access that specific commit:
wfg@bee /tmp% git clone --reference /c/linux git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
Cloning into 'tip'...
remote: Counting objects: 27506, done.
remote: Compressing objects: 100% (7812/7812), done.
remote: Total 25517 (delta 18365), reused 23335 (delta 16786)
Receiving objects: 100% (25517/25517), 7.76 MiB | 31.00 KiB/s, done.
Resolving deltas: 100% (18365/18365), completed with 1321 local objects.
Checking connectivity... done.
Checking out files: 100% (46209/46209), done.
wfg@bee /tmp% cd tip
wfg@bee /tmp/tip% git show 4dea8e4824b363c53f320d328040d7c6c5921419|head
commit 4dea8e4824b363c53f320d328040d7c6c5921419
Author: Stefani Seibold <stefani@...bold.net>
Date: Mon Mar 3 22:12:20 2014 +0100
x86, vdso: Add 32 bit VDSO time support for 32 bit kernel
> Okay, that's enough for me. If it nearly impossible to cut this gordian
> knot without support and test from the intel kernel developer group.
>
> The origin code was not in the best shape too. I cannot understand why
> this was going into mainline without 32 bit support.
>
> So i tried my best, but without support it is impossible to find all
> issues. But mostly what i get was bureaucracy afflictions
>
> I complied, but now it is time to help finding the issues. And not only
> do a complain, sit back and wait.
>
> If i haed a 8192 core i7 XEON machine i would be able to test all
> mutations of kernels. But i have not (despite i cannot pay the invoice).
>
> Also i get no support by people who ask me to do this work. I am really
> pissed of.
>
> - Stefani
>
> Am Freitag, den 07.03.2014, 17:15 +0800 schrieb Fengguang Wu:
>
> > Hi Stefani,
> >
> > On Fri, Mar 07, 2014 at 09:47:14AM +0100, Stefani Seibold wrote:
> > > Hi Fengguang,
> > >
> > > i was now able to bring up the kernel on my KVM with some minior
> > > changes. I kick out the PARIDE, switched to IDE and activated the VT
> > > support. With this modifications the kernel boot and i get no BUG,
> > > everything is fine!
> > >
> > > So i can not reproduce the bug and i want ask you to check the attached
> > > kernel config. If this also works for you the problem is maybe located
> > > in the environment, f.e. gcc.
> >
> > I'm using gcc 4.8.1, as you can see from the 2nd line of the below dmesg.
> > I can reproduce it reliably - see the screen dump below. You can find
> > the reproduce script at the end of this email.
> >
> > wfg@bee /kernel/i386-randconfig-nh0-03070222/d478a960edf1ea61ca31a07a48a8771f043dba78% kvm-0day.sh vmlinuz-3.14.0-rc5-03765-gd478a96
> > early console in setup code
> > [ 0.000000] Linux version 3.14.0-rc5-03765-gd478a96 (kbuild@...4) (gcc version 4.8.1 (Debian 4.8.1-8) ) #2 SMP PREEMPT Fri Mar 7 03:16:44 CST 2014
> > [ 0.000000] e820: BIOS-provided physical RAM map:
> > [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
> > [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffdfff] usable
> > [ 0.000000] BIOS-e820: [mem 0x000000000fffe000-0x000000000fffffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
> > [ 0.000000] debug: ignoring loglevel setting.
> > [ 0.000000] NX (Execute Disable) protection: active
> > [ 0.000000] Hypervisor detected: KVM
> > [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> > [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
> > [ 0.000000] e820: last_pfn = 0xfffe max_arch_pfn = 0x1000000
> > [ 0.000000] MTRR default type: write-back
> > [ 0.000000] MTRR fixed ranges enabled:
> > [ 0.000000] 00000-9FFFF write-back
> > [ 0.000000] A0000-BFFFF uncachable
> > [ 0.000000] C0000-FFFFF write-protect
> > [ 0.000000] MTRR variable ranges enabled:
> > [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable
> > [ 0.000000] 1 disabled
> > [ 0.000000] 2 disabled
> > [ 0.000000] 3 disabled
> > [ 0.000000] 4 disabled
> > [ 0.000000] 5 disabled
> > [ 0.000000] 6 disabled
> > [ 0.000000] 7 disabled
> > [ 0.000000] initial memory mapped: [mem 0x00000000-0x023fffff]
> > [ 0.000000] Base memory trampoline at [c009b000] 9b000 size 16384
> > [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
> > [ 0.000000] [mem 0x00000000-0x000fffff] page 4k
> > [ 0.000000] init_memory_mapping: [mem 0x0fa00000-0x0fbfffff]
> > [ 0.000000] [mem 0x0fa00000-0x0fbfffff] page 4k
> > [ 0.000000] BRK [0x01e02000, 0x01e02fff] PGTABLE
> > [ 0.000000] init_memory_mapping: [mem 0x0c000000-0x0f9fffff]
> > [ 0.000000] [mem 0x0c000000-0x0f9fffff] page 4k
> > [ 0.000000] BRK [0x01e03000, 0x01e03fff] PGTABLE
> > [ 0.000000] BRK [0x01e04000, 0x01e04fff] PGTABLE
> > [ 0.000000] BRK [0x01e05000, 0x01e05fff] PGTABLE
> > [ 0.000000] BRK [0x01e06000, 0x01e06fff] PGTABLE
> > [ 0.000000] BRK [0x01e07000, 0x01e07fff] PGTABLE
> > [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0bffffff]
> > [ 0.000000] [mem 0x00100000-0x0bffffff] page 4k
> > [ 0.000000] init_memory_mapping: [mem 0x0fc00000-0x0fffdfff]
> > [ 0.000000] [mem 0x0fc00000-0x0fffdfff] page 4k
> > [ 0.000000] RAMDISK: [mem 0x0fce6000-0x0ffeffff]
> > [ 0.000000] ACPI: RSDP 0x000F16B0 000014 (v00 BOCHS )
> > [ 0.000000] ACPI: RSDT 0x0FFFE3F0 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: FACP 0x0FFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: DSDT 0x0FFFE430 001137 (v01 BXPC BXDSDT 00000001 INTL 20100528)
> > [ 0.000000] ACPI: FACS 0x0FFFFF40 000040
> > [ 0.000000] ACPI: SSDT 0x0FFFF6A0 000899 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: APIC 0x0FFFF5B0 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: HPET 0x0FFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: Local APIC address 0xfee00000
> > [ 0.000000] mapped APIC to ffff9000 ( fee00000)
> > [ 0.000000] 255MB LOWMEM available.
> > [ 0.000000] mapped low ram: 0 - 0fffe000
> > [ 0.000000] low ram: 0 - 0fffe000
> > [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
> > [ 0.000000] kvm-clock: cpu 0, msr 0:fffd001, primary cpu clock
> > [ 0.000000] Zone ranges:
> > [ 0.000000] DMA [mem 0x00001000-0x00ffffff]
> > [ 0.000000] Normal [mem 0x01000000-0x0fffdfff]
> > [ 0.000000] Movable zone start for each node
> > [ 0.000000] Early memory node ranges
> > [ 0.000000] node 0: [mem 0x00001000-0x0009efff]
> > [ 0.000000] node 0: [mem 0x00100000-0x0fffdfff]
> > [ 0.000000] On node 0 totalpages: 65436
> > [ 0.000000] free_area_init_node: node 0, pgdat c17e5120, node_mem_map cf958024
> > [ 0.000000] DMA zone: 36 pages used for memmap
> > [ 0.000000] DMA zone: 0 pages reserved
> > [ 0.000000] DMA zone: 3998 pages, LIFO batch:0
> > [ 0.000000] Normal zone: 540 pages used for memmap
> > [ 0.000000] Normal zone: 61438 pages, LIFO batch:15
> > [ 0.000000] Using APIC driver default
> > [ 0.000000] ACPI: PM-Timer IO Port: 0xb008
> > [ 0.000000] ACPI: Local APIC address 0xfee00000
> > [ 0.000000] mapped APIC to ffff9000 ( fee00000)
> > [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> > [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
> > [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
> > [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
> > [ 0.000000] ACPI: IRQ0 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
> > [ 0.000000] ACPI: IRQ2 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
> > [ 0.000000] ACPI: IRQ5 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
> > [ 0.000000] ACPI: IRQ9 used by override.
> > [ 0.000000] ACPI: IRQ10 used by override.
> > [ 0.000000] ACPI: IRQ11 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
> > [ 0.000000] Using ACPI (MADT) for SMP configuration information
> > [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
> > [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
> > [ 0.000000] mapped IOAPIC to ffff8000 (fec00000)
> > [ 0.000000] nr_irqs_gsi: 40
> > [ 0.000000] e820: [mem 0x10000000-0xfeffbfff] available for PCI devices
> > [ 0.000000] Booting paravirtualized kernel on KVM
> > [ 0.000000] setup_percpu: NR_CPUS:32 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
> > [ 0.000000] PERCPU: Embedded 17 pages/cpu @cfcc4000 s48368 r0 d21264 u69632
> > [ 0.000000] pcpu-alloc: s48368 r0 d21264 u69632 alloc=17*4096
> > [ 0.000000] pcpu-alloc: [0] 0 [0] 1
> > [ 0.000000] KVM setup async PF for cpu 0
> > [ 0.000000] kvm-stealtime: cpu 0, msr fcc6980
> > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64860
> > [ 0.000000] Kernel command line: debug sched_debug apic=debug ignore_loglevel earlyprintk=ttyS0,115200 sysrq_always_enabled panic=10 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw
> > [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
> > [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> > [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> > [ 0.000000] Initializing CPU#0
> > [ 0.000000] Memory: 241112K/261744K available (5504K kernel code, 558K rwdata, 2224K rodata, 536K init, 5424K bss, 20632K reserved)
> > [ 0.000000] virtual kernel memory layout:
> > [ 0.000000] fixmap : 0xffd34000 - 0xfffff000 (2860 kB)
> > [ 0.000000] vmalloc : 0xd07fe000 - 0xffd32000 ( 757 MB)
> > [ 0.000000] lowmem : 0xc0000000 - 0xcfffe000 ( 255 MB)
> > [ 0.000000] .init : 0xc181a000 - 0xc18a0000 ( 536 kB)
> > [ 0.000000] .data : 0xc15603c2 - 0xc18189a0 (2785 kB)
> > [ 0.000000] .text : 0xc1000000 - 0xc15603c2 (5504 kB)
> > [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
> > [ 0.000000] Preemptible hierarchical RCU implementation.
> > [ 0.000000] Dump stacks of tasks blocking RCU-preempt GP.
> > [ 0.000000] Additional per-CPU info printed with stalls.
> > [ 0.000000] RCU restricting CPUs from NR_CPUS=32 to nr_cpu_ids=2.
> > [ 0.000000] Offload RCU callbacks from all CPUs
> > [ 0.000000] Offload RCU callbacks from CPUs: 0-1.
> > [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
> > [ 0.000000] NR_IRQS:2304 nr_irqs:512 16
> > [ 0.000000] CPU 0 irqstacks, hard=cf41c000 soft=cf41e000
> > [ 0.000000] ACPI: Core revision 20140214
> > [ 0.000000] ACPI: All ACPI Tables successfully acquired
> > [ 0.000000] console [ttyS0] enabled
> > [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
> > [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
> > [ 0.000000] ... MAX_LOCK_DEPTH: 48
> > [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
> > [ 0.000000] ... CLASSHASH_SIZE: 4096
> > [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384
> > [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
> > [ 0.000000] ... CHAINHASH_SIZE: 16384
> > [ 0.000000] memory used by lock dependency info: 3567 kB
> > [ 0.000000] per task-struct memory footprint: 1152 bytes
> > [ 0.000000] ------------------------
> > [ 0.000000] | Locking API testsuite:
> > [ 0.000000] ----------------------------------------------------------------------------
> > [ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] A-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] double unlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] initialize held: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] recursive read-lock: | ok | | ok |
> > [ 0.000000] recursive read-lock #2: | ok | | ok |
> > [ 0.000000] mixed read-write-lock: | ok | | ok |
> > [ 0.000000] mixed write-read-lock: | ok | | ok |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] hard-irqs-on + irq-safe-A/12: ok | ok | ok |
> > [ 0.000000] soft-irqs-on + irq-safe-A/12: ok | ok | ok |
> > [ 0.000000] hard-irqs-on + irq-safe-A/21: ok | ok | ok |
> > [ 0.000000] soft-irqs-on + irq-safe-A/21: ok | ok | ok |
> > [ 0.000000] sirq-safe-A => hirqs-on/12: ok | ok | ok |
> > [ 0.000000] sirq-safe-A => hirqs-on/21: ok | ok | ok |
> > [ 0.000000] hard-safe-A + irqs-on/12: ok | ok | ok |
> > [ 0.000000] soft-safe-A + irqs-on/12: ok | ok | ok |
> > [ 0.000000] hard-safe-A + irqs-on/21: ok | ok | ok |
> > [ 0.000000] soft-safe-A + irqs-on/21: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/123: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/123: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/132: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/132: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/213: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/213: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/231: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/231: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/312: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/312: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/321: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/321: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/123: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/123: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/132: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/132: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/213: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/213: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/231: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/231: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/312: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/312: ok | ok | ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/321: ok | ok | ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/321: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/123: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/123: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/132: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/132: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/213: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/213: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/231: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/231: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/312: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/312: ok | ok | ok |
> > [ 0.000000] hard-irq lock-inversion/321: ok | ok | ok |
> > [ 0.000000] soft-irq lock-inversion/321: ok | ok | ok |
> > [ 0.000000] hard-irq read-recursion/123: ok |
> > [ 0.000000] soft-irq read-recursion/123: ok |
> > [ 0.000000] hard-irq read-recursion/132: ok |
> > [ 0.000000] soft-irq read-recursion/132: ok |
> > [ 0.000000] hard-irq read-recursion/213: ok |
> > [ 0.000000] soft-irq read-recursion/213: ok |
> > [ 0.000000] hard-irq read-recursion/231: ok |
> > [ 0.000000] soft-irq read-recursion/231: ok |
> > [ 0.000000] hard-irq read-recursion/312: ok |
> > [ 0.000000] soft-irq read-recursion/312: ok |
> > [ 0.000000] hard-irq read-recursion/321: ok |
> > [ 0.000000] soft-irq read-recursion/321: ok |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] | Wound/wait tests |
> > [ 0.000000] ---------------------
> > [ 0.000000] ww api failures: ok | ok | ok |
> > [ 0.000000] ww contexts mixing: ok | ok |
> > [ 0.000000] finishing ww context: ok | ok | ok | ok |
> > [ 0.000000] locking mismatches: ok | ok | ok |
> > [ 0.000000] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok |
> > [ 0.000000] spinlock nest unlocked: ok |
> > [ 0.000000] -----------------------------------------------------
> > [ 0.000000] |block | try |context|
> > [ 0.000000] -----------------------------------------------------
> > [ 0.000000] context: ok | ok | ok |
> > [ 0.000000] try: ok | ok | ok |
> > [ 0.000000] block: ok | ok | ok |
> > [ 0.000000] spinlock: ok | ok | ok |
> > [ 0.000000] -------------------------------------------------------
> > [ 0.000000] Good, all 253 testcases passed! |
> > [ 0.000000] ---------------------------------
> > [ 0.000000] hpet clockevent registered
> > [ 0.000000] tsc: Detected 2693.508 MHz processor
> > [ 0.003000] Calibrating delay loop (skipped) preset value.. 5387.01 BogoMIPS (lpj=2693508)
> > [ 0.004014] pid_max: default: 4096 minimum: 301
> > [ 0.006232] Mount-cache hash table entries: 512
> > [ 0.009437] mce: CPU supports 10 MCE banks
> > [ 0.010118] BUG: unable to handle kernel paging request at cf4be000
> > [ 0.011000] IP: [<c182dbca>] sysenter_setup+0x9a/0x2d4
> > [ 0.011000] *pdpt = 00000000018a4001 *pde = 000000000fbea067 *pte = 800000000f4be060
> > [ 0.011000] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> > [ 0.011000] Modules linked in:
> > [ 0.011000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.0-rc5-03765-gd478a96 #2
> > [ 0.011000] task: c17997c0 ti: c178e000 task.ti: c178e000
> > [ 0.011000] EIP: 0060:[<c182dbca>] EFLAGS: 00210212 CPU: 0
> > [ 0.011000] EIP is at sysenter_setup+0x9a/0x2d4
> > [ 0.011000] EAX: 078bfbfd EBX: cf4bd000 ECX: 00000004 EDX: 00001004
> > [ 0.011000] ESI: c186740c EDI: cf4be000 EBP: c178ff98 ESP: c178ff74
> > [ 0.011000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> > [ 0.011000] CR0: 8005003b CR2: cf4be000 CR3: 018a7000 CR4: 000006f0
> > [ 0.011000] Stack:
> > [ 0.011000] 00200202 c1dbb0f0 00000f61 00000800 80002001 078bfbfd 00000000 00000000
> > [ 0.011000] c18a8800 c178ffa0 c1821144 c178ffbc c182117d 00000000 c178ffbc 00000000
> > [ 0.011000] 00000000 c18a8800 c178ffec c181ab11 00000101 ffffffff ffffffff c181a549
> > [ 0.011000] Call Trace:
> > [ 0.011000] [<c1821144>] identify_boot_cpu+0x17/0x28
> > [ 0.011000] [<c182117d>] check_bugs+0xe/0x160
> > [ 0.011000] [<c181ab11>] start_kernel+0x401/0x470
> > [ 0.011000] [<c181a549>] ? repair_env_string+0x51/0x51
> > [ 0.011000] [<c181a364>] i386_start_kernel+0x12e/0x131
> > [ 0.011000] Code: f6 c4 08 74 12 ba 10 74 86 c1 81 ea 0c 64 86 c1 be 0c 64 86 c1 eb 10 ba 0c 64 86 c1 81 ea 1c 54 86 c1 be 1c 54 86 c1 89 df 89 d1 <f3> a4 89 d8 e8 8b fe ff ff b9 04 00 00 00 ba d6 c2 6e c1 89 d8
> > [ 0.011000] EIP: [<c182dbca>] sysenter_setup+0x9a/0x2d4 SS:ESP 0068:c178ff74
> > [ 0.011000] CR2: 00000000cf4be000
> > [ 0.011000] ---[ end trace db4b7fde7786bb07 ]---
> > [ 0.011000] Kernel panic - not syncing: Fatal exception
> > [ 0.011000] Rebooting in 10 seconds..
> >
> > wfg@bee /kernel/i386-randconfig-an1-03070605/d478a960edf1ea61ca31a07a48a8771f043dba78% kvm-0day.sh vmlinuz-3.14.0-rc5-03765-gd478a96
> > early console in setup code
> > Probing EDD (edd=off to disable)... ok
> > [ 0.000000] Initializing cgroup subsys cpu
> > [ 0.000000] Linux version 3.14.0-rc5-03765-gd478a96 (kbuild@ant) (gcc version 4.8.1 (Debian 4.8.1-8) ) #4 SMP Fri Mar 7 06:43:04 CST 2014
> > [ 0.000000] KERNEL supported cpus:
> > [ 0.000000] AMD AuthenticAMD
> > [ 0.000000] Centaur CentaurHauls
> > [ 0.000000] UMC UMC UMC UMC
> > [ 0.000000] CPU: vendor_id 'GenuineIntel' unknown, using generic init.
> > [ 0.000000] CPU: Your system may be unstable.
> > [ 0.000000] e820: BIOS-provided physical RAM map:
> > [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
> > [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffdfff] usable
> > [ 0.000000] BIOS-e820: [mem 0x000000000fffe000-0x000000000fffffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
> > [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
> > [ 0.000000] debug: ignoring loglevel setting.
> > [ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
> > [ 0.000000] SMBIOS 2.4 present.
> > [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011
> > [ 0.000000] Hypervisor detected: KVM
> > [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> > [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
> > [ 0.000000] e820: last_pfn = 0xfffe max_arch_pfn = 0x100000
> > [ 0.000000] MTRR default type: write-back
> > [ 0.000000] MTRR fixed ranges enabled:
> > [ 0.000000] 00000-9FFFF write-back
> > [ 0.000000] A0000-BFFFF uncachable
> > [ 0.000000] C0000-FFFFF write-protect
> > [ 0.000000] MTRR variable ranges enabled:
> > [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable
> > [ 0.000000] 1 disabled
> > [ 0.000000] 2 disabled
> > [ 0.000000] 3 disabled
> > [ 0.000000] 4 disabled
> > [ 0.000000] 5 disabled
> > [ 0.000000] 6 disabled
> > [ 0.000000] 7 disabled
> > [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff]
> > [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
> > [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff]
> > [ 0.000000] found SMP MP-table at [mem 0x000f1840-0x000f184f] mapped at [800f1840]
> > [ 0.000000] mpc: f1850-f193c
> > [ 0.000000] initial memory mapped: [mem 0x00000000-0x02bfffff]
> > [ 0.000000] Base memory trampoline at [8009b000] 9b000 size 16384
> > [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
> > [ 0.000000] [mem 0x00000000-0x000fffff] page 4k
> > [ 0.000000] init_memory_mapping: [mem 0x0f800000-0x0fbfffff]
> > [ 0.000000] [mem 0x0f800000-0x0fbfffff] page 4k
> > [ 0.000000] BRK [0x027a7000, 0x027a7fff] PGTABLE
> > [ 0.000000] init_memory_mapping: [mem 0x08000000-0x0f7fffff]
> > [ 0.000000] [mem 0x08000000-0x0f7fffff] page 4k
> > [ 0.000000] BRK [0x027a8000, 0x027a8fff] PGTABLE
> > [ 0.000000] BRK [0x027a9000, 0x027a9fff] PGTABLE
> > [ 0.000000] BRK [0x027aa000, 0x027aafff] PGTABLE
> > [ 0.000000] BRK [0x027ab000, 0x027abfff] PGTABLE
> > [ 0.000000] BRK [0x027ac000, 0x027acfff] PGTABLE
> > [ 0.000000] init_memory_mapping: [mem 0x00100000-0x07ffffff]
> > [ 0.000000] [mem 0x00100000-0x07ffffff] page 4k
> > [ 0.000000] init_memory_mapping: [mem 0x0fc00000-0x0fffdfff]
> > [ 0.000000] [mem 0x0fc00000-0x0fffdfff] page 4k
> > [ 0.000000] RAMDISK: [mem 0x0fce6000-0x0ffeffff]
> > [ 0.000000] ACPI: RSDP 0x000F16B0 000014 (v00 BOCHS )
> > [ 0.000000] ACPI: RSDT 0x0FFFE3F0 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: FACP 0x0FFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: DSDT 0x0FFFE430 001137 (v01 BXPC BXDSDT 00000001 INTL 20100528)
> > [ 0.000000] ACPI: FACS 0x0FFFFF40 000040
> > [ 0.000000] ACPI: SSDT 0x0FFFF6A0 000899 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: APIC 0x0FFFF5B0 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: HPET 0x0FFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001)
> > [ 0.000000] ACPI: Local APIC address 0xfee00000
> > [ 0.000000] mapped APIC to ffff9000 ( fee00000)
> > [ 0.000000] 0MB HIGHMEM available.
> > [ 0.000000] 255MB LOWMEM available.
> > [ 0.000000] mapped low ram: 0 - 0fffe000
> > [ 0.000000] low ram: 0 - 0fffe000
> > [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
> > [ 0.000000] kvm-clock: cpu 0, msr 0:fffb001, primary cpu clock
> > [ 0.000000] Zone ranges:
> > [ 0.000000] DMA [mem 0x00001000-0x00ffffff]
> > [ 0.000000] Normal [mem 0x01000000-0x0fffdfff]
> > [ 0.000000] HighMem empty
> > [ 0.000000] Movable zone start for each node
> > [ 0.000000] Early memory node ranges
> > [ 0.000000] node 0: [mem 0x00001000-0x0009efff]
> > [ 0.000000] node 0: [mem 0x00100000-0x0fffdfff]
> > [ 0.000000] On node 0 totalpages: 65436
> > [ 0.000000] free_area_init_node: node 0, pgdat 82003620, node_mem_map 8f951028
> > [ 0.000000] DMA zone: 40 pages used for memmap
> > [ 0.000000] DMA zone: 0 pages reserved
> > [ 0.000000] DMA zone: 3998 pages, LIFO batch:0
> > [ 0.000000] Normal zone: 600 pages used for memmap
> > [ 0.000000] Normal zone: 61438 pages, LIFO batch:15
> > [ 0.000000] Using APIC driver default
> > [ 0.000000] ACPI: PM-Timer IO Port: 0xb008
> > [ 0.000000] ACPI: Local APIC address 0xfee00000
> > [ 0.000000] mapped APIC to ffff9000 ( fee00000)
> > [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> > [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
> > [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
> > [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
> > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
> > [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
> > [ 0.000000] ACPI: IRQ0 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
> > [ 0.000000] ACPI: IRQ2 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
> > [ 0.000000] ACPI: IRQ5 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
> > [ 0.000000] ACPI: IRQ9 used by override.
> > [ 0.000000] ACPI: IRQ10 used by override.
> > [ 0.000000] ACPI: IRQ11 used by override.
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
> > [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
> > [ 0.000000] Using ACPI (MADT) for SMP configuration information
> > [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
> > [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
> > [ 0.000000] mapped IOAPIC to ffff8000 (fec00000)
> > [ 0.000000] nr_irqs_gsi: 40
> > [ 0.000000] e820: [mem 0x10000000-0xfeffbfff] available for PCI devices
> > [ 0.000000] Booting paravirtualized kernel on KVM
> > [ 0.000000] setup_percpu: NR_CPUS:32 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
> > [ 0.000000] PERCPU: Embedded 334 pages/cpu @8f6b5000 s1355376 r0 d12688 u1368064
> > [ 0.000000] pcpu-alloc: s1355376 r0 d12688 u1368064 alloc=334*4096
> > [ 0.000000] pcpu-alloc: [0] 0 [0] 1
> > [ 0.000000] KVM setup async PF for cpu 0
> > [ 0.000000] kvm-stealtime: cpu 0, msr f6b7540
> > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64796
> > [ 0.000000] Kernel command line: debug sched_debug apic=debug ignore_loglevel earlyprintk=ttyS0,115200 sysrq_always_enabled panic=10 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw
> > [ 0.000000] sysrq: sysrq always enabled.
> > [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
> > [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> > [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> > [ 0.000000] Initializing CPU#0
> > [ 0.000000] Initializing HighMem for node 0 (00000000:00000000)
> > [ 0.000000] Memory: 228660K/261744K available (11636K kernel code, 868K rwdata, 4068K rodata, 1956K init, 5592K bss, 33084K reserved, 0K highmem)
> > [ 0.000000] virtual kernel memory layout:
> > [ 0.000000] fixmap : 0xffa93000 - 0xfffff000 (5552 kB)
> > [ 0.000000] pkmap : 0xff400000 - 0xff800000 (4096 kB)
> > [ 0.000000] vmalloc : 0x907fe000 - 0xff3fe000 (1772 MB)
> > [ 0.000000] lowmem : 0x80000000 - 0x8fffe000 ( 255 MB)
> > [ 0.000000] .init : 0x82033000 - 0x8221c000 (1956 kB)
> > [ 0.000000] .data : 0x81b5d71f - 0x82031360 (4943 kB)
> > [ 0.000000] .text : 0x81000000 - 0x81b5d71f (11637 kB)
> > [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
> > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> > [ 0.000000] Hierarchical RCU implementation.
> > [ 0.000000] RCU debugfs-based tracing is enabled.
> > [ 0.000000] Hierarchical RCU autobalancing is disabled.
> > [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
> > [ 0.000000] Additional per-CPU info printed with stalls.
> > [ 0.000000] RCU restricting CPUs from NR_CPUS=32 to nr_cpu_ids=2.
> > [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
> > [ 0.000000] NR_IRQS:2304 nr_irqs:512 16
> > [ 0.000000] CPU 0 irqstacks, hard=8f00a000 soft=8f00c000
> > [ 0.000000] ACPI: Core revision 20140214
> > [ 0.000000] ACPI: All ACPI Tables successfully acquired
> > [ 0.000000] console [ttyS0] enabled
> > [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
> > [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
> > [ 0.000000] ... MAX_LOCK_DEPTH: 48
> > [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
> > [ 0.000000] ... CLASSHASH_SIZE: 4096
> > [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384
> > [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
> > [ 0.000000] ... CHAINHASH_SIZE: 16384
> > [ 0.000000] memory used by lock dependency info: 3807 kB
> > [ 0.000000] per task-struct memory footprint: 1920 bytes
> > [ 0.000000] ------------------------
> > [ 0.000000] | Locking API testsuite:
> > [ 0.000000] ----------------------------------------------------------------------------
> > [ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] A-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-B-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-B-C-C-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-C-A-B-C deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-B-C-C-D-D-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-C-D-B-D-D-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] A-B-C-D-B-C-D-A deadlock:failed|failed| ok |failed|failed|failed|
> > [ 0.000000] double unlock: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] initialize held: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] recursive read-lock: | ok | |failed|
> > [ 0.000000] recursive read-lock #2: | ok | |failed|
> > [ 0.000000] mixed read-write-lock: |failed| |failed|
> > [ 0.000000] mixed write-read-lock: |failed| |failed|
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] hard-irqs-on + irq-safe-A/12:failed|failed| ok |
> > [ 0.000000] soft-irqs-on + irq-safe-A/12:failed|failed| ok |
> > [ 0.000000] hard-irqs-on + irq-safe-A/21:failed|failed| ok |
> > [ 0.000000] soft-irqs-on + irq-safe-A/21:failed|failed| ok |
> > [ 0.000000] sirq-safe-A => hirqs-on/12:failed|failed| ok |
> > [ 0.000000] sirq-safe-A => hirqs-on/21:failed|failed| ok |
> > [ 0.000000] hard-safe-A + irqs-on/12:failed|failed| ok |
> > [ 0.000000] soft-safe-A + irqs-on/12:failed|failed| ok |
> > [ 0.000000] hard-safe-A + irqs-on/21:failed|failed| ok |
> > [ 0.000000] soft-safe-A + irqs-on/21:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/123:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/123:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/132:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/132:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/213:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/213:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/231:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/231:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/312:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/312:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #1/321:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #1/321:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/123:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/123:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/132:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/132:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/213:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/213:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/231:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/231:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/312:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/312:failed|failed| ok |
> > [ 0.000000] hard-safe-A + unsafe-B #2/321:failed|failed| ok |
> > [ 0.000000] soft-safe-A + unsafe-B #2/321:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/123:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/123:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/132:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/132:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/213:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/213:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/231:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/231:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/312:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/312:failed|failed| ok |
> > [ 0.000000] hard-irq lock-inversion/321:failed|failed| ok |
> > [ 0.000000] soft-irq lock-inversion/321:failed|failed| ok |
> > [ 0.000000] hard-irq read-recursion/123: ok |
> > [ 0.000000] soft-irq read-recursion/123: ok |
> > [ 0.000000] hard-irq read-recursion/132: ok |
> > [ 0.000000] soft-irq read-recursion/132: ok |
> > [ 0.000000] hard-irq read-recursion/213: ok |
> > [ 0.000000] soft-irq read-recursion/213: ok |
> > [ 0.000000] hard-irq read-recursion/231: ok |
> > [ 0.000000] soft-irq read-recursion/231: ok |
> > [ 0.000000] hard-irq read-recursion/312: ok |
> > [ 0.000000] soft-irq read-recursion/312: ok |
> > [ 0.000000] hard-irq read-recursion/321: ok |
> > [ 0.000000] soft-irq read-recursion/321: ok |
> > [ 0.000000] --------------------------------------------------------------------------
> > [ 0.000000] | Wound/wait tests |
> > [ 0.000000] ---------------------
> > [ 0.000000] ww api failures: ok | ok | ok |
> > [ 0.000000] ww contexts mixing:failed| ok |
> > [ 0.000000] finishing ww context: ok | ok | ok | ok |
> > [ 0.000000] locking mismatches: ok | ok | ok |
> > [ 0.000000] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok |
> > [ 0.000000] spinlock nest unlocked: ok |
> > [ 0.000000] -----------------------------------------------------
> > [ 0.000000] |block | try |context|
> > [ 0.000000] -----------------------------------------------------
> > [ 0.000000] context:failed| ok | ok |
> > [ 0.000000] try:failed| ok |failed|
> > [ 0.000000] block:failed| ok |failed|
> > [ 0.000000] spinlock:failed| ok |failed|
> > [ 0.000000] --------------------------------------------------------
> > [ 0.000000] 141 out of 253 testcases failed, as expected. |
> > [ 0.000000] ----------------------------------------------------
> > [ 0.000000] ODEBUG: 12 of 12 active objects replaced
> > [ 0.000000] ODEBUG: selftest passed
> > [ 0.000000] hpet clockevent registered
> > [ 0.000000] tsc: Detected 2693.508 MHz processor
> > [ 0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
> > [ 0.012000] Calibrating delay loop (skipped) preset value.. 5387.01 BogoMIPS (lpj=10774032)
> > [ 0.012000] pid_max: default: 4096 minimum: 301
> > [ 0.012000] Mount-cache hash table entries: 512
> > [ 0.012478] Initializing cgroup subsys debug
> > [ 0.013140] Initializing cgroup subsys devices
> > [ 0.013910] Initializing cgroup subsys freezer
> > [ 0.014670] Initializing cgroup subsys net_cls
> > [ 0.015356] Initializing cgroup subsys blkio
> > [ 0.016026] Initializing cgroup subsys perf_event
> > [ 0.017443] Initializing cgroup subsys net_prio
> > [ 0.020061] BUG: unable to handle kernel paging request at 8f024000
> > [ 0.021717] IP: [<820444c8>] sysenter_setup+0x90/0x2b4
> > [ 0.023188] *pde = 0fbe8067 *pte = 0f024060
> > [ 0.024000] Oops: 0002 [#1] SMP DEBUG_PAGEALLOC
> > [ 0.024000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.0-rc5-03765-gd478a96 #4
> > [ 0.024000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> > [ 0.024000] task: 81f5ff20 ti: 81f58000 task.ti: 81f58000
> > [ 0.024000] EIP: 0060:[<820444c8>] EFLAGS: 00210206 CPU: 0
> > [ 0.024000] EIP is at sysenter_setup+0x90/0x2b4
> > [ 0.024000] EAX: 078bfbfd EBX: 8f023000 ECX: 00000044 EDX: 00001044
> > [ 0.024000] ESI: 82091418 EDI: 8f024000 EBP: 81f59fb4 ESP: 81f59f90
> > [ 0.024000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> > [ 0.024000] CR0: 8005003b CR2: 8f024000 CR3: 02228000 CR4: 00000690
> > [ 0.024000] Stack:
> > [ 0.024000] 81f6d0c0 8f022b80 00000f61 00000800 80002001 078bfbfd 820850e0 00020800
> > [ 0.024000] 82229800 81f59fbc 82039789 81f59fcc 820397bf 820850e0 00020800 81f59fec
> > [ 0.024000] 82033a6d 0000027e ffffffff ffffffff 82033530 820850e0 00000800 81f59ff8
> > [ 0.024000] Call Trace:
> > [ 0.024000] [<82039789>] identify_boot_cpu+0x17/0x28
> > [ 0.024000] [<820397bf>] check_bugs+0xb/0xbb
> > [ 0.024000] [<82033a6d>] start_kernel+0x376/0x381
> > [ 0.024000] [<82033530>] ? repair_env_string+0x51/0x51
> > [ 0.024000] [<82033364>] i386_start_kernel+0x12e/0x131
> > [ 0.024000] Code: f6 c4 08 74 12 ba 5c 14 09 82 be 18 04 09 82 81 ea 18 04 09 82 eb 10 ba 18 04 09 82 be e8 f3 08 82 81 ea e8 f3 08 82 89 d1 89 df <f3> a4 89 d8 e8 bf fe ff ff b9 04 00 00 00 ba c0 39 df 81 89 d8
> > [ 0.024000] EIP: [<820444c8>] sysenter_setup+0x90/0x2b4 SS:ESP 0068:81f59f90
> > [ 0.024000] CR2: 000000008f024000
> > [ 0.024000] ---[ end trace ebb41f6832ca3e69 ]---
> > [ 0.024000] Kernel panic - not syncing: Attempted to kill the idle task!
> > [ 0.024000] Rebooting in 10 seconds..
> >
> >
> > % cat /home/wfg/bin/kvm-0day.sh
> > #!/bin/bash
> >
> > kvm=(
> > qemu-system-x86_64 -cpu kvm64 -enable-kvm
> > -kernel $1
> > # -initrd /kernel-tests/initrd/yocto-minimal-i386.cgz
> > -initrd /kernel-tests/initrd/yocto-minimal-x86_64.cgz
> > # -initrd /kernel-tests/initrd/quantal-core-i386.cgz
> > # -initrd /kernel-tests/initrd/quantal-core-x86_64.cgz
> > -smp 2
> > -m 256M
> > -net nic,vlan=0,macaddr=00:00:00:00:00:00,model=virtio
> > -net user,vlan=0
> > -net nic,vlan=1,model=e1000
> > -net user,vlan=1
> > -boot order=nc
> > -no-reboot
> > -watchdog i6300esb
> > -serial stdio
> > -display none
> > -monitor null
> > )
> >
> > append=(
> > debug
> > sched_debug
> > apic=debug
> > ignore_loglevel
> > # dyndbg=\"func kobject_release +p\"
> > earlyprintk=ttyS0,115200
> > sysrq_always_enabled
> > panic=10
> > prompt_ramdisk=0
> > console=ttyS0,115200
> > console=tty0
> > vga=normal
> > root=/dev/ram0
> > rw
> > )
> >
> > "${kvm[@]}" --append "${append[*]}"
>
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