early console in setup code early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.12.0-10878-g2c57502 (kbuild@lkp-tt02) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 Fri May 16 02:32:13 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 0x0000000000100000-0x0000000013ffdfff] usable [ 0.000000] BIOS-e820: [mem 0x0000000013ffe000-0x0000000013ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 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 = 0x13ffe 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] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] initial memory mapped: [mem 0x00000000-0x033fffff] [ 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 0x13800000-0x13bfffff] [ 0.000000] [mem 0x13800000-0x13bfffff] page 4k [ 0.000000] BRK [0x03022000, 0x03022fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x137fffff] [ 0.000000] [mem 0x10000000-0x137fffff] page 4k [ 0.000000] BRK [0x03023000, 0x03023fff] PGTABLE [ 0.000000] BRK [0x03024000, 0x03024fff] PGTABLE [ 0.000000] BRK [0x03025000, 0x03025fff] PGTABLE [ 0.000000] BRK [0x03026000, 0x03026fff] PGTABLE [ 0.000000] BRK [0x03027000, 0x03027fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x13c00000-0x13ffdfff] [ 0.000000] [mem 0x13c00000-0x13ffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x13cbd000-0x13feffff] [ 0.000000] ACPI: RSDP 000fd950 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 13ffe450 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 13ffff80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 13ffe490 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 13ffff40 000040 [ 0.000000] ACPI: SSDT 13fff7a0 000796 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 13fff680 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 13fff640 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] 319MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 13ffe000 [ 0.000000] low ram: 0 - 13ffe000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:13ffd001, boot clock [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] Normal [mem 0x01000000-0x13ffdfff] [ 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 0x00100000-0x13ffdfff] [ 0.000000] On node 0 totalpages: 81820 [ 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: 684 pages used for memmap [ 0.000000] Normal zone: 77822 pages, LIFO batch:15 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 22fc300 [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 81100 [ 0.000000] Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-tt0-05152256/next:master:2c575026fae6e63771bd2a4c1d407214a8096a89:bisect-linux8/.vmlinuz-2c575026fae6e63771bd2a4c1d407214a8096a89-20140516023228-40-f2 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-tt0-05152256/2c575026fae6e63771bd2a4c1d407214a8096a89/vmlinuz-3.12.0-10878-g2c57502 drbd.minor_count=8 [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Initializing CPU#0 [ 0.000000] Memory: 287420K/327280K available (14124K kernel code, 2104K rwdata, 5164K rodata, 912K init, 10500K bss, 39860K reserved) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xfffe2000 - 0xfffff000 ( 116 kB) [ 0.000000] vmalloc : 0xd47fe000 - 0xfffe0000 ( 695 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd3ffe000 ( 319 MB) [ 0.000000] .init : 0xc24ef000 - 0xc25d3000 ( 912 kB) [ 0.000000] .data : 0xc1dcb664 - 0xc24ee020 (7306 kB) [ 0.000000] .text : 0xc1000000 - 0xc1dcb664 (14125 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] CPU 0 irqstacks, hard=d3418000 soft=d341a000 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.12.0-10878-g2c57502 (kbuild@lkp-tt02) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 Fri May 16 02:32:13 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 0x0000000000100000-0x0000000013ffdfff] usable [ 0.000000] BIOS-e820: [mem 0x0000000013ffe000-0x0000000013ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 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 = 0x13ffe 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] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] initial memory mapped: [mem 0x00000000-0x033fffff] [ 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 0x13800000-0x13bfffff] [ 0.000000] [mem 0x13800000-0x13bfffff] page 4k [ 0.000000] BRK [0x03022000, 0x03022fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x137fffff] [ 0.000000] [mem 0x10000000-0x137fffff] page 4k [ 0.000000] BRK [0x03023000, 0x03023fff] PGTABLE [ 0.000000] BRK [0x03024000, 0x03024fff] PGTABLE [ 0.000000] BRK [0x03025000, 0x03025fff] PGTABLE [ 0.000000] BRK [0x03026000, 0x03026fff] PGTABLE [ 0.000000] BRK [0x03027000, 0x03027fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x13c00000-0x13ffdfff] [ 0.000000] [mem 0x13c00000-0x13ffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x13cbd000-0x13feffff] [ 0.000000] ACPI: RSDP 000fd950 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 13ffe450 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 13ffff80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 13ffe490 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 13ffff40 000040 [ 0.000000] ACPI: SSDT 13fff7a0 000796 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 13fff680 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 13fff640 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] 319MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 13ffe000 [ 0.000000] low ram: 0 - 13ffe000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:13ffd001, boot clock [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] Normal [mem 0x01000000-0x13ffdfff] [ 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 0x00100000-0x13ffdfff] [ 0.000000] On node 0 totalpages: 81820 [ 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: 684 pages used for memmap [ 0.000000] Normal zone: 77822 pages, LIFO batch:15 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 22fc300 [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 81100 [ 0.000000] Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-tt0-05152256/next:master:2c575026fae6e63771bd2a4c1d407214a8096a89:bisect-linux8/.vmlinuz-2c575026fae6e63771bd2a4c1d407214a8096a89-20140516023228-40-f2 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-tt0-05152256/2c575026fae6e63771bd2a4c1d407214a8096a89/vmlinuz-3.12.0-10878-g2c57502 drbd.minor_count=8 [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Initializing CPU#0 [ 0.000000] Memory: 287420K/327280K available (14124K kernel code, 2104K rwdata, 5164K rodata, 912K init, 10500K bss, 39860K reserved) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xfffe2000 - 0xfffff000 ( 116 kB) [ 0.000000] vmalloc : 0xd47fe000 - 0xfffe0000 ( 695 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd3ffe000 ( 319 MB) [ 0.000000] .init : 0xc24ef000 - 0xc25d3000 ( 912 kB) [ 0.000000] .data : 0xc1dcb664 - 0xc24ee020 (7306 kB) [ 0.000000] .text : 0xc1000000 - 0xc1dcb664 (14125 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] CPU 0 irqstacks, hard=d3418000 soft=d341a000 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 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] ODEBUG: 12 of 12 active objects replaced [ 0.000000] ODEBUG: selftest passed [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.584 MHz processor [ 0.020000] Calibrating delay loop (skipped) preset value.. 5387.16 BogoMIPS (lpj=26935840) [ 0.020000] pid_max: default: 32768 minimum: 301 [ 0.020000] Mount-cache hash table entries: 512 [ 0.030687] Initializing cgroup subsys devices [ 0.031791] Initializing cgroup subsys blkio [ 0.032851] Initializing cgroup subsys perf_event [ 0.034211] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.034211] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.034211] tlb_flushall_shift: 6 [ 0.037229] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.045822] ACPI: Core revision 20130927 [ 0.072841] ACPI: All ACPI Tables successfully acquired [ 0.074205] ACPI: setting ELCR to 0200 (from 0c00) [ 0.075990] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only. [ 0.091140] ftrace: Allocated trace_printk buffers [ 0.098590] gcov: version magic: 0x3430382a [ 0.106574] xor: measuring software checksum speed [ 0.200037] pIII_sse : 14.800 MB/sec [ 0.310037] prefetch64-sse: 118.800 MB/sec [ 0.320013] xor: using function: prefetch64-sse (118.800 MB/sec) [ 0.321902] NET: Registered protocol family 16 [ 0.325367] cpuidle: using governor ladder [ 0.326332] cpuidle: using governor menu [ 0.330133] ACPI: bus type PCI registered [ 0.340415] PCI: PCI BIOS revision 2.10 entry at 0xfc6d5, last bus=0 [ 0.341759] PCI: Using configuration type 1 for base access [ 0.410607] bio: create slab at 0 [ 0.590140] raid6: mmxx1 134 MB/s [ 0.760087] raid6: mmxx2 143 MB/s [ 0.930078] raid6: sse1x1 117 MB/s [ 1.100123] raid6: sse1x2 144 MB/s [ 1.270040] raid6: sse2x1 222 MB/s [ 1.440055] raid6: sse2x2 246 MB/s [ 1.441117] raid6: using algorithm sse2x2 (246 MB/s) [ 1.442313] raid6: using intx1 recovery algorithm [ 1.444111] ACPI: Added _OSI(Module Device) [ 1.450028] ACPI: Added _OSI(Processor Device) [ 1.460014] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.461048] ACPI: Added _OSI(Processor Aggregator Device) [ 1.514105] ACPI: Interpreter enabled [ 1.515102] ACPI: (supports S0 S5) [ 1.515937] ACPI: Using PIC for interrupt routing [ 1.517169] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.594549] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.595907] acpi PNP0A03:00: _OSC: OS supports [Segments] [ 1.610396] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.612978] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.615794] PCI host bridge to bus 0000:00 [ 1.620037] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.630016] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7] [ 1.631309] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff] [ 1.632625] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 1.634093] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff] [ 1.640032] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 1.651159] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 [ 1.653681] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 [ 1.660376] pci 0000:00:01.1: reg 0x20: [io 0xc040-0xc04f] [ 1.672006] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 1.673690] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.675378] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB [ 1.680288] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000 [ 1.693825] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref] [ 1.696900] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff] [ 1.741792] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 1.751438] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 1.753897] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 1.761182] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f] [ 1.771212] pci 0000:00:03.0: reg 0x30: [mem 0xfebc0000-0xfebdffff pref] [ 1.773663] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000 [ 1.780676] pci 0000:00:04.0: reg 0x10: [mem 0xfebf1000-0xfebf100f] [ 1.791388] pci_bus 0000:00: on NUMA node 0 [ 1.810620] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.812896] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.821542] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.823755] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.825776] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 1.841727] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.843150] ACPI: \_SB_.PCI0: notify handler is installed [ 1.844522] Found 1 acpi root devices [ 1.846379] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 1.848379] vgaarb: loaded [ 1.850026] vgaarb: bridge control possible 0000:00:02.0 [ 1.872040] SCSI subsystem initialized [ 1.873320] Linux video capture interface: v2.00 [ 1.874506] pps_core: LinuxPPS API ver. 1 registered [ 1.875799] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.878047] PTP clock support registered [ 1.881244] PCI: Using ACPI for IRQ routing [ 1.882230] PCI: pci_cache_line_size set to 64 bytes [ 1.883445] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] [ 1.884840] e820: reserve RAM buffer [mem 0x13ffe000-0x13ffffff] [ 1.887568] irda_init() [ 1.890275] NET: Registered protocol family 23 [ 1.901383] cfg80211: Calling CRDA to update world regulatory domain [ 1.903306] nfc: nfc_init: NFC Core ver 0.1 [ 1.904528] NET: Registered protocol family 39 [ 1.920153] Switched to clocksource kvm-clock [ 2.923140] pnp: PnP ACPI init [ 2.924025] ACPI: bus type PNP registered [ 2.925243] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active) [ 2.926821] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active) [ 2.928329] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active) [ 2.958424] pnp 00:03: [dma 2] [ 2.959378] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active) [ 2.961479] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active) [ 2.963075] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active) [ 2.964704] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active) [ 2.966909] pnp 00:07: Plug and Play ACPI device, IDs PNP0103 (active) [ 2.989501] pnp: PnP ACPI: found 8 devices [ 2.990959] ACPI: bus type PNP unregistered [ 3.050701] PM-Timer running at invalid rate: 110% of normal - aborting. [ 3.052297] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7] [ 3.053497] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff] [ 3.054828] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff] [ 3.056127] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff] [ 3.081390] NET: Registered protocol family 1 [ 3.082481] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.083948] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 3.085217] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 3.086557] pci 0000:00:02.0: Boot video device [ 3.087598] PCI: CLS 0 bytes, default 64 [ 3.112178] Unpacking initramfs... [ 3.955204] debug: unmapping init [mem 0xd3cbd000-0xd3feffff] [ 3.957769] Scanning for low memory corruption every 60 seconds [ 3.988745] cryptomgr_test (16) used greatest stack depth: 7236 bytes left [ 3.997565] PCLMULQDQ-NI instructions are not detected. [ 3.999175] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 4.013428] Initializing RT-Tester: OK [ 4.015252] audit: initializing netlink socket (disabled) [ 4.016581] type=2000 audit(1400178754.752:1): initialized [ 6.329237] tsc: Refined TSC clocksource calibration: 2693.509 MHz [ 6.343155] HugeTLB registered 4 MB page size, pre-allocated 0 pages [ 6.365631] NTFS driver 2.1.30 [Flags: R/O]. [ 6.366849] fuse init (API version 7.22) [ 6.388563] SGI XFS with security attributes, no debug enabled [ 6.399621] bio: create slab at 1 [ 6.402051] Btrfs loaded, debug=on, integrity-checker=on [ 6.404657] cryptomgr_test (41) used greatest stack depth: 6820 bytes left [ 6.428060] cryptomgr_test (44) used greatest stack depth: 6484 bytes left [ 6.430147] cryptomgr_test (45) used greatest stack depth: 6396 bytes left [ 6.464822] alg: No test for crc32 (crc32-table) [ 6.466582] alg: No test for lz4 (lz4-generic) [ 6.467851] alg: No test for lz4hc (lz4hc-generic) [ 6.469123] alg: No test for stdrng (krng) [ 6.526156] NET: Registered protocol family 38 [ 6.527338] Key type asymmetric registered [ 6.528335] Asymmetric key parser 'x509' registered [ 6.529609] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 6.557880] io scheduler noop registered [ 6.559023] io scheduler cfq registered (default) [ 6.560214] list_sort_test: start testing list_sort() [ 6.563311] test_string_helpers: Running tests... [ 6.565984] ipmi message handler version 39.2 [ 6.567090] Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot. [ 6.588654] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.603552] ACPI: Power Button [PWRF] [ 6.605428] r3964: Philips r3964 Driver $Revision: 1.10 $ [ 6.606615] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.689601] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.694290] nsc_gpio initializing [ 6.695238] telclk_interrupt = 0xf non-mcpbl0010 hw. [ 6.748263] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds). [ 6.750446] Hangcheck: Using getrawmonotonic(). [ 6.751862] [drm] Initialized drm 1.1.0 20060810 [ 6.756528] nbd: registered device at major 43 [ 6.796315] null_blk: softirq completions not available. [ 6.797479] null_blk: using direct completions. [ 6.798684] blk-mq: CPU -> queue map [ 6.799588] CPU 0 -> Queue 0 [ 6.820806] nullb0: unknown partition table [ 6.824735] Floppy drive(s): fd0 is 1.44M [ 6.826644] blk-mq: CPU -> queue map [ 6.843790] CPU 0 -> Queue 0 [ 6.845428] nullb1: unknown partition table [ 6.847113] null: module loaded [ 6.862167] lkdtm: No crash points registered, enable through debugfs [ 6.863907] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti [ 6.865954] c2port c2port0: C2 port uc added [ 6.866994] c2port c2port0: uc flash has 30 blocks x 512 bytes (15360 bytes total) [ 6.893794] FDC 0 is a S82078B [ 6.897358] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 6.919151] osst :I: Tape driver with OnStream support version 0.99.4 [ 6.919151] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 6.928587] SCSI Media Changer driver v0.25 [ 6.975602] scsi_debug: host protection [ 6.976611] scsi0 : scsi_debug, version 1.82 [20100324], dev_size_mb=8, opts=0x0 [ 6.993511] SSFDC read-only Flash Translation layer [ 6.994857] SBC-GXx flash: IO:0x258-0x259 MEM:0xdc000-0xdffff [ 6.996398] slram: not enough parameters. [ 7.020882] ftl_cs: FTL header not found. [ 7.129136] No valid DiskOnChip devices found [ 7.130874] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.132976] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.135061] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.137145] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.159638] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.167874] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 7.169919] NAND device: Manufacturer ID: 0x98, Chip ID: 0x39 (Toshiba NAND 128MiB 1,8V 8-bit) [ 7.188127] NAND device: 128MiB, SLC, page size: 512, OOB size: 16 [ 7.189683] flash size: 128 MiB [ 7.191026] page size: 512 bytes [ 7.191849] OOB area size: 16 bytes [ 7.192809] sector size: 16 KiB [ 7.193672] pages number: 262144 [ 7.194488] pages per sector: 32 [ 7.195335] bus width: 8 [ 7.196033] bits in sector size: 14 [ 7.196965] bits in page size: 9 [ 7.218654] bits in OOB size: 4 [ 7.219619] flash size with OOB: 135168 KiB [ 7.229764] page address bytes: 4 [ 7.231169] sector address bytes: 3 [ 7.232135] options: 0x42 [ 7.235211] Scanning device for bad blocks [ 7.457542] Creating 1 MTD partitions on "NAND 128MiB 1,8V 8-bit": [ 7.458963] 0x000000000000-0x000008000000 : "NAND simulator partition 0" [ 7.494529] ftl_cs: FTL header not found. [ 7.495727] HSI/SSI char device loaded [ 7.496691] vcan: Virtual CAN interface driver [ 7.497748] slcan: serial line CAN interface driver [ 7.498811] slcan: 10 dynamic interface channels. [ 7.518474] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0004 PQ: 0 ANSI: 5 [ 7.531669] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 7.533846] aoe: AoE v85 initialised. [ 7.535049] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 7.558974] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 7.562991] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 7.782955] mousedev: PS/2 mouse device common for all mice [ 7.784211] evbug: Connected device: input0 (Power Button at LNXPWRBN/button/input0) [ 7.786917] i2c /dev entries driver [ 7.808670] pps pps0: new PPS source ktimer [ 7.809746] pps pps0: ktimer PPS source registered [ 7.818910] Driver for 1-wire Dallas network protocol. [ 7.828023] DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko [ 7.832451] applesmc: supported laptop not found! [ 7.833606] applesmc: driver init failed (ret=-19)! [ 7.845288] pc87360: PC8736x not detected, module not inserted [ 7.861229] sdhci: Secure Digital Host Controller Interface driver [ 7.862628] sdhci: Copyright(c) Pierre Ossman [ 7.863706] wbsd: Winbond W83L51xD SD/MMC card interface driver [ 7.864905] wbsd: Copyright(c) Pierre Ossman [ 7.889758] NET: Registered protocol family 17 [ 7.901365] NET: Registered protocol family 4 [ 7.902565] NET: Registered protocol family 5 [ 7.903774] NET: Registered protocol family 9 [ 7.904802] X.25 for Linux Version 0.2 [ 7.905865] can: controller area network core (rev 20120528 abi 9) [ 7.907325] NET: Registered protocol family 29 [ 7.908369] can: raw protocol (rev 20120528) [ 7.928508] NET4: DECnet for Linux: V.2.5.68s (C) 1995-2003 Linux DECnet Project Team [ 7.931707] DECnet: Routing cache hash table of 256 buckets, 9Kbytes [ 7.932970] NET: Registered protocol family 12 [ 7.934115] NET: Registered protocol family 35 [ 7.935294] NET: Registered protocol family 37 [ 7.936400] Key type dns_resolver registered [ 7.959686] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 [ 7.969579] evbug: Connected device: input1 (AT Translated Set 2 keyboard at isa0060/serio0/input0) [ 7.978921] sd 0:0:0:0: [sda] 16384 512-byte logical blocks: (8.38 MB/8.00 MiB) [ 7.989297] batman_adv: B.A.T.M.A.N. advanced 2013.5.0 (compatibility version 15) loaded [ 7.993795] openvswitch: Open vSwitch switching datapath [ 7.995305] mpls_gso: MPLS GSO support [ 8.011119] registered taskstats version 1 [ 8.013942] sd 0:0:0:0: [sda] Write Protect is off [ 8.015018] sd 0:0:0:0: [sda] Mode Sense: 73 00 10 08 [ 8.016935] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 8.038821] EDD information not available. [ 8.065603] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 8.367814] sda: unknown partition table [ 8.548178] sd 0:0:0:0: [sda] Attached SCSI disk [ 8.549290] debug: unmapping init [mem 0xc24ef000-0xc25d2fff] [ 8.933738] udev[102]: starting version 164 [ 10.273305] scsi_id (215) used greatest stack depth: 6328 bytes left [ 11.860972] ------------[ cut here ]------------ [ 11.862089] WARNING: CPU: 0 PID: 305 at kernel/softirq.c:156 local_bh_enable+0xa1/0x1a7() [ 11.864304] CPU: 0 PID: 305 Comm: mount Not tainted 3.12.0-10878-g2c57502 #1 [ 11.865769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.866917] 00000000 caa03b74 c1db7b69 caa03b8c c104fec1 c10588c1 c15aaf27 cc1fa908 [ 11.870084] cd25dc00 caa03b9c c105003b 00000009 00000000 caa03ba8 c10588c1 cd25be00 [ 11.870084] caa03c50 c15aaf27 00000000 00000000 00000001 00000000 cc1f002f cd25be00 [ 11.870084] Call Trace: [ 11.870084] [] dump_stack+0x40/0x5e [ 11.870084] [] warn_slowpath_common+0xae/0xef [ 11.870084] [] ? local_bh_enable+0xa1/0x1a7 [ 11.870084] [] ? __cfq_set_active_queue+0x1c9/0x359 [ 11.870084] [] warn_slowpath_null+0x30/0x42 [ 11.870084] [] local_bh_enable+0xa1/0x1a7 [ 11.870084] [] __cfq_set_active_queue+0x1c9/0x359 [ 11.870084] [] ? cfq_add_cfqq_rr+0x185/0x1ac [ 11.870084] [] ? cfq_update_idle_window+0x105/0x2ac [ 11.870084] [] ? mark_held_locks+0x163/0x199 [ 11.870084] [] ? _raw_spin_unlock_irq+0x5f/0x98 [ 11.870084] [] ? trace_hardirqs_on+0x27/0x37 [ 11.870084] [] ? _raw_spin_unlock_irq+0x5f/0x98 [ 11.870084] [] ? cfq_set_request+0x575/0x5e1 [ 11.870084] [] ? cfq_get_next_cfqg+0xe/0x12b [ 11.870084] [] cfq_dispatch_requests+0xbdb/0x12ce [ 11.870084] [] ? cfq_insert_request+0x3f7/0x87c [ 11.870084] [] ? __lock_acquire+0x14f6/0x1606 [ 11.870084] [] ? __lock_is_held+0x46/0x7b [ 11.870084] [] blk_peek_request+0xa3/0x522 [ 11.870084] [] blk_fetch_request+0x1c/0x56 [ 11.870084] [] do_nbd_request+0x23/0x1c9 [ 11.870084] [] __blk_run_queue+0x5a/0x71 [ 11.870084] [] blk_queue_bio+0x4cc/0x858 [ 11.870084] [] generic_make_request+0xdb/0x158 [ 11.870084] [] submit_bio+0xad/0x1d7 [ 11.870084] [] ? bio_init+0x9/0x35 [ 11.870084] [] ? bio_alloc_bioset+0x16f/0x275 [ 11.870084] [] _submit_bh+0x304/0x34a [ 11.870084] [] submit_bh+0x1d/0x2d [ 11.870084] [] __bread+0x11d/0x1c1 [ 11.870084] [] ext4_fill_super+0x354/0x446c [ 11.870084] [] ? strnlen+0x8/0x3a [ 11.870084] [] ? string.isra.3+0x45/0x11d [ 11.870084] [] ? snprintf+0x23/0x33 [ 11.870084] [] ? set_blocksize+0xe/0x15c [ 11.870084] [] ? disk_name+0x33/0xd7 [ 11.870084] [] mount_bdev+0x220/0x2e9 [ 11.870084] [] ? ext4_calculate_overhead+0x512/0x512 [ 11.870084] [] ? mount_bdev+0x220/0x2e9 [ 11.870084] [] ? ext4_calculate_overhead+0x512/0x512 [ 11.870084] [] ? __kmalloc_track_caller+0x260/0x4ec [ 11.870084] [] ? alloc_vfsmnt+0x19d/0x213 [ 11.870084] [] ext4_mount+0x23/0x33 [ 11.870084] [] ? ext4_calculate_overhead+0x512/0x512 [ 11.870084] [] mount_fs+0x21/0x149 [ 11.870084] [] vfs_kern_mount+0x93/0x1db [ 11.870084] [] do_mount+0x1167/0x1372 [ 11.870084] [] ? copy_mount_options+0xe/0x1a6 [ 11.870084] [] SyS_mount+0x101/0x184 [ 11.870084] [] syscall_call+0x7/0xb [ 11.870084] ---[ end trace 6f4587f6d881af3f ]--- [ 12.147799] block nbd15: Attempted send on closed socket [ 12.149131] end_request: I/O error, dev nbd15, sector 2 [ 12.157381] EXT4-fs (nbd15): unable to read superblock [ 13.282906] block nbd0: Attempted send on closed socket [ 13.283903] end_request: I/O error, dev nbd0, sector 2 [ 13.284879] EXT4-fs (nbd0): unable to read superblock [ 13.572811] block nbd2: Attempted send on closed socket [ 13.573995] end_request: I/O error, dev nbd2, sector 2 [ 13.575189] EXT4-fs (nbd2): unable to read superblock [ 13.698697] block nbd10: Attempted send on closed socket [ 13.699856] end_request: I/O error, dev nbd10, sector 2 [ 13.711314] EXT4-fs (nbd10): unable to read superblock [ 13.750807] end_request: I/O error, dev fd0, sector 0 [ 13.753225] block nbd2: Attempted send on closed socket [ 13.754371] end_request: I/O error, dev nbd2, sector 2 [ 13.755745] EXT4-fs (nbd2): unable to read superblock [ 13.770922] [ 13.771519] ================================= [ 13.772699] [ INFO: inconsistent lock state ] [ 13.773730] 3.12.0-10878-g2c57502 #1 Tainted: G W [ 13.774966] --------------------------------- [ 13.775960] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.780683] mount.sh/227 [HC0[0]:SC1[1]:HE0:SE0] takes: [ 13.780683] (floppy_lock){+.?...}, at: [] cfq_idle_slice_timer+0x5c/0x1ce [ 13.780683] {SOFTIRQ-ON-W} state was registered at: [ 13.780683] [] mark_held_locks+0x163/0x199 [ 13.780683] [] trace_hardirqs_on_caller+0x30a/0x3e1 [ 13.780683] [] trace_hardirqs_on+0x27/0x37 [ 13.780683] [] local_bh_enable+0x16f/0x1a7 [ 13.780683] [] __cfq_set_active_queue+0x1c9/0x359 [ 13.780683] [] cfq_dispatch_requests+0xbdb/0x12ce [ 13.780683] [] blk_peek_request+0xa3/0x522 [ 13.780683] [] blk_fetch_request+0x1c/0x56 [ 13.780683] [] redo_fd_request+0x101/0x1602 [ 13.780683] [] process_one_work+0x460/0xa80 [ 13.780683] [] worker_thread+0x2f9/0x5be [ 13.780683] [] kthread+0x142/0x155 [ 13.780683] [] ret_from_kernel_thread+0x1b/0x28 [ 13.780683] irq event stamp: 11143 [ 13.780683] hardirqs last enabled at (11142): [] _raw_spin_unlock_irq+0x5f/0x98 [ 13.780683] hardirqs last disabled at (11143): [] _raw_spin_lock_irqsave+0x49/0xba [ 13.780683] softirqs last enabled at (8294): [] __do_softirq+0x382/0x6db [ 13.780683] softirqs last disabled at (11139): [] do_softirq_own_stack+0x49/0x6b [ 13.780683] [ 13.780683] other info that might help us debug this: [ 13.780683] Possible unsafe locking scenario: [ 13.780683] [ 13.780683] CPU0 [ 13.780683] ---- [ 13.780683] lock(floppy_lock); [ 13.780683] [ 13.780683] lock(floppy_lock); [ 13.780683] [ 13.780683] *** DEADLOCK *** [ 13.780683] [ 13.780683] 3 locks held by mount.sh/227: [ 13.780683] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x386/0x92f [ 13.780683] #1: (&(&mm->page_table_lock)->rlock){+.+...}, at: [] handle_mm_fault+0x12ec/0x18f0 [ 13.780683] #2: ((&cfqd->idle_slice_timer)){+.-...}, at: [] call_timer_fn+0x0/0x54d [ 13.780683] [ 13.780683] stack backtrace: [ 13.780683] CPU: 0 PID: 227 Comm: mount.sh Tainted: G W 3.12.0-10878-g2c57502 #1 [ 13.780683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.780683] 00000000 d341be88 c1db7b69 d341bea8 c1dafdb0 c21ce67f c21ce491 c21cf574 [ 13.780683] 00000004 cb2c5aa0 00000010 d341bed0 c10ace7d 00000004 00000000 c10a9c1e [ 13.780683] 00000006 cb2c56e0 cb2c5aa0 c23e6608 cb2c56e0 d341bf08 c10b1325 00000223 [ 13.780683] Call Trace: [ 13.780683] [] dump_stack+0x40/0x5e [ 13.780683] [] print_usage_bug+0x493/0x4ad [ 13.780683] [] mark_lock+0x567/0xaad [ 13.780683] [] ? check_usage_backwards+0x15b/0x15b [ 13.780683] [] __lock_acquire+0xdb4/0x1606 [ 13.780683] [] lock_acquire+0x157/0x30c [ 13.780683] [] ? cfq_idle_slice_timer+0x5c/0x1ce [ 13.780683] [] ? __cfq_slice_expired+0x55c/0x55c [ 13.780683] [] _raw_spin_lock_irqsave+0x8e/0xba [ 13.780683] [] ? cfq_idle_slice_timer+0x5c/0x1ce [ 13.780683] [] cfq_idle_slice_timer+0x5c/0x1ce [ 13.780683] [] call_timer_fn+0x136/0x54d [ 13.780683] [] ? __cfq_slice_expired+0x55c/0x55c [ 13.780683] [] ? _local_bh_enable+0x95/0x95 [ 13.780683] [] run_timer_softirq+0x302/0x4e1 [ 13.780683] [] ? __cfq_slice_expired+0x55c/0x55c [ 13.780683] [] ? _local_bh_enable+0x95/0x95 [ 13.780683] [] __do_softirq+0x195/0x6db [ 13.780683] [] ? _local_bh_enable+0x95/0x95 [ 13.780683] [] ? irq_exit+0x91/0x147 [ 13.780683] [] ? do_IRQ+0xc6/0xe7 [ 13.780683] [] ? common_interrupt+0x38/0x40 [ 13.780683] [] ? lock_acquire+0x178/0x30c [ 13.780683] [] ? handle_mm_fault+0x12ec/0x18f0 [ 13.780683] [] ? _raw_spin_lock+0x50/0x7b [ 13.780683] [] ? handle_mm_fault+0x12ec/0x18f0 [ 13.780683] [] ? handle_mm_fault+0x12ec/0x18f0 [ 13.780683] [] ? __do_page_fault+0x6c5/0x92f [ 13.780683] [] ? trace_hardirqs_on+0x27/0x37 [ 13.780683] [] ? do_fork+0x23b/0x55f [ 13.780683] [] ? _copy_to_user+0x6b/0x92 [ 13.780683] [] ? restore_all+0xf/0xf [ 13.780683] [] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 13.780683] [] ? do_page_fault+0x1b/0x2b [ 13.780683] [] ? do_async_page_fault+0x44/0xed [ 13.780683] [] ? error_code+0x6a/0x70 [ 14.128030] end_request: I/O error, dev fd0, sector 0 [ 14.140827] end_request: I/O error, dev fd0, sector 0 [ 14.142546] block nbd0: Attempted send on closed socket [ 14.143849] end_request: I/O error, dev nbd0, sector 2 [ 14.145144] EXT4-fs (nbd0): unable to read superblock [ 14.147370] block nbd14: Attempted send on closed socket [ 14.148702] end_request: I/O error, dev nbd14, sector 2 [ 14.171315] EXT4-fs (nbd14): unable to read superblock [ 14.191432] block nbd2: Attempted send on closed socket [ 14.192719] EXT4-fs (nbd2): unable to read superblock [ 14.198957] block nbd0: Attempted send on closed socket [ 14.218266] EXT4-fs (nbd0): unable to read superblock [ 14.236894] block nbd2: Attempted send on closed socket [ 14.238092] EXT4-fs (nbd2): unable to read superblock [ 14.259705] block nbd14: Attempted send on closed socket [ 14.267657] EXT4-fs (nbd14): unable to read superblock [ 14.273453] block nbd2: Attempted send on closed socket [ 14.274626] EXT4-fs (nbd2): unable to read superblock [ 14.298055] block nbd2: Attempted send on closed socket [ 14.299316] EXT4-fs (nbd2): unable to read superblock [ 14.330926] random: nonblocking pool is initialized [ 14.357060] block nbd2: Attempted send on closed socket [ 14.358369] block nbd2: Attempted send on closed socket [ 14.377661] UDF-fs: error (device nbd2): udf_read_tagged: read failed, block=256, location=256 [ 14.379661] block nbd2: Attempted send on closed socket [ 14.388119] UDF-fs: error (device nbd2): udf_read_tagged: read failed, block=512, location=512 [ 14.407713] block nbd10: Attempted send on closed socket [ 14.408909] EXT4-fs (nbd10): unable to read superblock [ 14.429058] block nbd13: Attempted send on closed socket [ 14.432986] EXT4-fs (nbd13): unable to read superblock [ 14.434578] block nbd2: Attempted send on closed socket [ 14.435780] block nbd2: Attempted send on closed socket [ 14.436929] UDF-fs: error (device nbd2): udf_read_tagged: read failed, block=256, location=256 [ 14.449865] block nbd2: Attempted send on closed socket [ 14.451238] UDF-fs: error (device nbd2): udf_read_tagged: read failed, block=512, location=512 [ 14.453282] UDF-fs: warning (device nbd2): udf_fill_super: No partition found (1) [ 14.458534] block nbd10: Attempted send on closed socket [ 14.459788] EXT4-fs (nbd10): unable to read superblock [ 14.473472] block nbd10: Attempted send on closed socket [ 14.508008] EXT4-fs (nbd10): unable to read superblock [ 14.517764] UDF-fs: warning (device sda): udf_fill_super: No partition found (2) [ 14.522627] block nbd2: Attempted send on closed socket [ 14.523920] BUG: unable to handle kernel paging request at cb025f40 [ 14.525469] IP: [] process_one_work+0x1d0/0xa80 [ 14.526725] *pde = 13bd7067 *pte = 0b025060 [ 14.527958] Oops: 0002 [#1] DEBUG_PAGEALLOC [ 14.529136] CPU: 0 PID: 307 Comm: kworker/0:1H Tainted: G W 3.12.0-10878-g2c57502 #1 [ 14.530064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.530064] Workqueue: kblockd cfq_kick_queue [ 14.530064] task: cb2976e0 ti: d2d00000 task.ti: d2d00000 [ 14.530064] EIP: 0060:[] EFLAGS: 00010092 CPU: 0 [ 14.530064] EIP is at process_one_work+0x1d0/0xa80 [ 14.530064] EAX: cd1d9eb0 EBX: cc1e0380 ECX: cb025f3c EDX: c23097d8 [ 14.530064] ESI: cd1d9eac EDI: d3c27605 EBP: d2d01f08 ESP: d2d01ed8 [ 14.530064] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 14.530064] CR0: 8005003b CR2: cb025f40 CR3: 0b104000 CR4: 00000690 [ 14.530064] Stack: [ 14.530064] 00000046 c2309700 d3c27600 cd1d9eac c23097a8 c2cd58f8 00000000 00000000 [ 14.530064] c2217d97 cc1e0380 c23097a8 cc1e0398 d2d01f30 c107eeeb 00000246 cb2976e0 [ 14.530064] cb2976e0 cb2976e0 00000009 cc1cf580 cc1e0380 c107ebf2 d2d01fac c1089e15 [ 14.530064] Call Trace: [ 14.530064] [] worker_thread+0x2f9/0x5be [ 14.530064] [] ? rescuer_thread+0x430/0x430 [ 14.530064] [] kthread+0x142/0x155 [ 14.530064] [] ret_from_kernel_thread+0x1b/0x28 [ 14.530064] [] ? insert_kthread_work+0xcc/0xcc [ 14.530064] Code: 83 15 5c 23 61 c2 00 8b 75 dc 89 18 89 43 04 89 73 08 8b 46 0c 89 43 0c 8b 45 d8 89 43 10 8b 4e 04 89 f0 8b 56 08 83 c0 04 8b 3e <89> 51 04 89 0a c1 ef 05 89 46 04 83 e7 0f 89 46 08 0f b6 45 d4 [ 14.530064] EIP: [] process_one_work+0x1d0/0xa80 SS:ESP 0068:d2d01ed8 [ 14.530064] CR2: 00000000cb025f40 [ 14.530064] ---[ end trace 6f4587f6d881af40 ]--- [ 14.530064] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:20 [ 14.530064] in_atomic(): 1, irqs_disabled(): 1, pid: 307, name: kworker/0:1H [ 14.530064] INFO: lockdep is turned off. [ 14.530064] irq event stamp: 66 [ 14.530064] hardirqs last enabled at (65): [] rcu_sched_qs+0xf6/0x11e [ 14.530064] hardirqs last disabled at (66): [] _raw_spin_lock_irq+0x32/0xa2 [ 14.530064] softirqs last enabled at (0): [] copy_process+0x876/0x1eda [ 14.530064] softirqs last disabled at (0): [< (null)>] (null) [ 14.530064] CPU: 0 PID: 307 Comm: kworker/0:1H Tainted: G D W 3.12.0-10878-g2c57502 #1 [ 14.530064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.530064] Workqueue: kblockd cfq_kick_queue [ 14.530064] cb2976e0 d2d01d24 c1db7b69 d2d01d38 c109e705 cb3d6f54 00000009 cb2976e0 [ 14.530064] d2d01d44 c1dc72b6 cb2976e0 d2d01d5c c106ed4d c10bd29e 00000000 00000009 [ 14.530064] 00000009 d2d01d94 c1053ae0 00000001 00000046 c2313780 00000002 d2d01e9c [ 14.530064] Call Trace: [ 14.530064] [] dump_stack+0x40/0x5e [ 14.530064] [] __might_sleep+0x35f/0x375 [ 14.530064] [] down_read+0x2a/0x8a [ 14.530064] [] exit_signals+0x2d/0x211 [ 14.530064] [] ? kmsg_dump+0x49/0x41a [ 14.530064] [] do_exit+0x19c/0x13bd [ 14.530064] [] ? kmsg_dump+0x3f1/0x41a [ 14.530064] [] oops_end+0x10e/0x123 [ 14.530064] [] no_context+0x2fa/0x312 [ 14.530064] [] ? cfq_dispatch_requests+0x11/0x12ce [ 14.530064] [] __bad_area_nosemaphore+0x200/0x218 [ 14.530064] [] ? tracing_record_cmdline+0x35/0x1a7 [ 14.530064] [] bad_area_nosemaphore+0x20/0x31 [ 14.530064] [] __do_page_fault+0xe9/0x92f [ 14.530064] [] ? debug_object_deactivate+0x5b/0x176 [ 14.530064] [] ? do_raw_spin_lock+0xe/0x1b2 [ 14.530064] [] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 14.530064] [] do_page_fault+0x1b/0x2b [ 14.530064] [] do_async_page_fault+0x44/0xed [ 14.530064] [] error_code+0x6a/0x70 [ 14.530064] [] ? process_one_work+0x1d0/0xa80 [ 14.530064] [] worker_thread+0x2f9/0x5be [ 14.530064] [] ? rescuer_thread+0x430/0x430 [ 14.530064] [] kthread+0x142/0x155 [ 14.530064] [] ret_from_kernel_thread+0x1b/0x28 [ 14.530064] [] ? insert_kthread_work+0xcc/0xcc [ 14.530064] note: kworker/0:1H[307] exited with preempt_count 1 [ 14.861092] BUG: unable to handle kernel paging request at ffffffd0 [ 14.862734] IP: [] kthread_data+0x1d/0x21 [ 14.863920] *pde = 025d9067 *pte = 00000000 [ 14.865093] Oops: 0000 [#2] DEBUG_PAGEALLOC [ 14.866268] CPU: 0 PID: 307 Comm: kworker/0:1H Tainted: G D W 3.12.0-10878-g2c57502 #1 [ 14.870905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.870905] task: cb2976e0 ti: d2d00000 task.ti: d2d00000 [ 14.870905] EIP: 0060:[] EFLAGS: 00010046 CPU: 0 [ 14.870905] EIP is at kthread_data+0x1d/0x21 [ 14.870905] EAX: 00000000 EBX: 00000000 ECX: 0ee41dbe EDX: 00000000 [ 14.870905] ESI: c2309e3c EDI: cb2976e0 EBP: d2d01cec ESP: d2d01ce4 [ 14.870905] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 14.870905] CR0: 8005003b CR2: 00000014 CR3: 0b104000 CR4: 00000690 [ 14.870905] Stack: [ 14.870905] c107d863 00000001 d2d01d54 c1dc1a9d cb2976e0 cc1d4a80 d2d01d20 cb2976e0 [ 14.870905] d3441a80 d3446f00 c10adbe8 d2d01d2c 00000046 c10ad964 d2d01d30 00000246 [ 14.870905] cb2976e0 cb2976e0 00000000 d2d01d38 c10c90c4 d2d01d5c c1051595 cc1d4f84 [ 14.870905] Call Trace: [ 14.870905] [] ? wq_worker_sleeping+0x1e/0x133 [ 14.870905] [] __schedule+0x368/0xd32 [ 14.870905] [] ? trace_hardirqs_off+0x27/0x37 [ 14.870905] [] ? trace_hardirqs_on+0x27/0x37 [ 14.870905] [] ? call_rcu_sched+0x20/0x30 [ 14.870905] [] ? release_task+0x9e1/0xa10 [ 14.870905] [] schedule+0xf6/0x106 [ 14.870905] [] do_exit+0x1240/0x13bd [ 14.870905] [] oops_end+0x10e/0x123 [ 14.870905] [] no_context+0x2fa/0x312 [ 14.870905] [] ? cfq_dispatch_requests+0x11/0x12ce [ 14.870905] [] __bad_area_nosemaphore+0x200/0x218 [ 14.870905] [] ? tracing_record_cmdline+0x35/0x1a7 [ 14.870905] [] bad_area_nosemaphore+0x20/0x31 [ 14.870905] [] __do_page_fault+0xe9/0x92f [ 14.870905] [] ? debug_object_deactivate+0x5b/0x176 [ 14.870905] [] ? do_raw_spin_lock+0xe/0x1b2 [ 14.870905] [] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 14.870905] [] do_page_fault+0x1b/0x2b [ 14.870905] [] do_async_page_fault+0x44/0xed [ 14.870905] [] error_code+0x6a/0x70 [ 14.870905] [] ? process_one_work+0x1d0/0xa80 [ 14.870905] [] worker_thread+0x2f9/0x5be [ 14.870905] [] ? rescuer_thread+0x430/0x430 [ 14.870905] [] kthread+0x142/0x155 [ 14.870905] [] ret_from_kernel_thread+0x1b/0x28 [ 14.870905] [] ? insert_kthread_work+0xcc/0xcc [ 14.870905] Code: 76 61 c2 01 83 15 ac 76 61 c2 00 5b 5d c3 55 89 e5 e8 b6 0b d4 00 83 05 b0 76 61 c2 01 83 15 b4 76 61 c2 00 8b 80 58 01 00 00 5d <8b> 40 d0 c3 55 89 e5 52 e8 94 0b d4 00 b9 04 00 00 00 83 05 b8 [ 14.870905] EIP: [] kthread_data+0x1d/0x21 SS:ESP 0068:d2d01ce4 [ 14.870905] CR2: 00000000ffffffd0 [ 14.870905] ---[ end trace 6f4587f6d881af41 ]--- [ 14.870905] Fixing recursive fault but reboot is needed! Elapsed time: 35 qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/i386-randconfig-tt0-05152256/2c575026fae6e63771bd2a4c1d407214a8096a89/vmlinuz-3.12.0-10878-g2c57502 -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-tt0-05152256/next:master:2c575026fae6e63771bd2a4c1d407214a8096a89:bisect-linux8/.vmlinuz-2c575026fae6e63771bd2a4c1d407214a8096a89-20140516023228-40-f2 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-tt0-05152256/2c575026fae6e63771bd2a4c1d407214a8096a89/vmlinuz-3.12.0-10878-g2c57502 drbd.minor_count=8' -initrd /kernel-tests/initrd/yocto-minimal-i386.cgz -m 320 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-yocto-f2-48 -serial file:/dev/shm/kboot/serial-yocto-f2-48 -daemonize -display none -monitor null