early console in setup code [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 4.0.0-rc3-00183-g0f911ca (kbuild@cairo) (gcc version 4.9.2 (Debian 4.9.2-10) ) #4 Wed Apr 1 02:30:58 CST 2015 [ 0.000000] Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/x86_64-randconfig-c2-0331/cgroup:review-cgroup-writeback-20150331:0f911cac330baced0d2ad971315605599a896c66:bisect-linux-4/.vmlinuz-0f911cac330baced0d2ad971315605599a896c66-20150401023221-11-ivb41 branch=cgroup/review-cgroup-writeback-20150331 BOOT_IMAGE=/kernel/x86_64-randconfig-c2-0331/0f911cac330baced0d2ad971315605599a896c66/vmlinuz-4.0.0-rc3-00183-g0f911ca drbd.minor_count=8 [ 0.000000] KERNEL supported cpus: [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 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 0x0000000000100000-0x000000000ffdffff] usable [ 0.000000] BIOS-e820: [mem 0x000000000ffe0000-0x000000000fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] e820: update [mem 0x02a91800-0x02a91810] usable ==> usable [ 0.000000] extended physical RAM map: [ 0.000000] reserve setup_data: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] reserve setup_data: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] reserve setup_data: [mem 0x0000000000100000-0x0000000002a917ff] usable [ 0.000000] reserve setup_data: [mem 0x0000000002a91800-0x0000000002a91810] usable [ 0.000000] reserve setup_data: [mem 0x0000000002a91811-0x000000000ffdffff] usable [ 0.000000] reserve setup_data: [mem 0x000000000ffe0000-0x000000000fffffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 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 = 0xffe0 max_arch_pfn = 0x400000000 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x09689000, 0x09689fff] PGTABLE [ 0.000000] BRK [0x0968a000, 0x0968afff] PGTABLE [ 0.000000] BRK [0x0968b000, 0x0968bfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x0fa00000-0x0fbfffff] [ 0.000000] [mem 0x0fa00000-0x0fbfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0f9fffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x0f9fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x0fc00000-0x0ffdffff] [ 0.000000] [mem 0x0fc00000-0x0fdfffff] page 2M [ 0.000000] [mem 0x0fe00000-0x0ffdffff] page 4k [ 0.000000] BRK [0x0968c000, 0x0968cfff] PGTABLE [ 0.000000] RAMDISK: [mem 0x0fcce000-0x0ffd7fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0CB0 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x000000000FFE1854 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x000000000FFE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x000000000FFE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x000000000FFE0000 000040 [ 0.000000] ACPI: SSDT 0x000000000FFE0BAB 000BF9 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x000000000FFE17A4 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x000000000FFE181C 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff5fb000 ( fee00000) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:ffdf001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00003fffff] PMD -> [ffff88000f000000-ffff88000f3fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x000000000ffdffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x000000000ffdffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000000ffdffff] [ 0.000000] On node 0 totalpages: 65406 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 960 pages used for memmap [ 0.000000] DMA32 zone: 61408 pages, LIFO batch:15 [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff5fb000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] 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] 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] mapped IOAPIC to ffffffffff5fa000 (fec00000) [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 888d040 [ 0.000000] e820: [mem 0x10000000-0xfeffbfff] 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: 64361 [ 0.000000] Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/x86_64-randconfig-c2-0331/cgroup:review-cgroup-writeback-20150331:0f911cac330baced0d2ad971315605599a896c66:bisect-linux-4/.vmlinuz-0f911cac330baced0d2ad971315605599a896c66-20150401023221-11-ivb41 branch=cgroup/review-cgroup-writeback-20150331 BOOT_IMAGE=/kernel/x86_64-randconfig-c2-0331/0f911cac330baced0d2ad971315605599a896c66/vmlinuz-4.0.0-rc3-00183-g0f911ca drbd.minor_count=8 [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 1024 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form [ 0.000000] Memory: 218464K/261624K available (14200K kernel code, 1824K rwdata, 6688K rodata, 976K init, 11656K bss, 43160K reserved, 0K cma-reserved) [ 0.000000] NR_IRQS:4352 nr_irqs:256 16 [ 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: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8127 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.508 MHz processor [ 0.006666] Calibrating delay loop (skipped) preset value.. 5389.47 BogoMIPS (lpj=8978360) [ 0.006666] pid_max: default: 4096 minimum: 301 [ 0.006666] ACPI: Core revision 20150204 [ 0.007027] ACPI: All ACPI Tables successfully acquired [ 0.007628] Mount-cache hash table entries: 512 (order: 0, 4096 bytes) [ 0.008240] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes) [ 0.009164] Initializing cgroup subsys blkio [ 0.009589] Initializing cgroup subsys memory [ 0.010017] Initializing cgroup subsys freezer [ 0.010453] Initializing cgroup subsys net_cls [ 0.010947] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.011449] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.012001] CPU: GenuineIntel Intel Core Processor (Haswell) (fam: 06, model: 3c, stepping: 01) [ 0.015447] Performance Events: no PMU driver, software events only. [ 0.016298] Getting VERSION: 1050014 [ 0.016654] Getting VERSION: 1050014 [ 0.016670] Getting ID: 0 [ 0.016931] Getting ID: ff000000 [ 0.017250] Getting LVT0: 8700 [ 0.017537] Getting LVT1: 8400 [ 0.017844] enabled ExtINT on CPU#0 [ 0.018805] ENABLING IO-APIC IRQs [ 0.019124] init IO_APIC IRQs [ 0.019414] apic 0 pin 0 not connected [ 0.020013] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1) [ 0.020770] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.021512] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.022259] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1) [ 0.023014] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1) [ 0.023350] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1) [ 0.024107] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1) [ 0.024865] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1) [ 0.025627] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1) [ 0.026683] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.027434] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1) [ 0.028190] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1) [ 0.028947] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1) [ 0.030016] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1) [ 0.030778] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1) [ 0.031544] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1) [ 0.032305] apic 0 pin 16 not connected [ 0.032680] apic 0 pin 17 not connected [ 0.033047] apic 0 pin 18 not connected [ 0.033335] apic 0 pin 19 not connected [ 0.033706] apic 0 pin 20 not connected [ 0.034075] apic 0 pin 21 not connected [ 0.034448] apic 0 pin 22 not connected [ 0.034818] apic 0 pin 23 not connected [ 0.035322] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.035879] TSC deadline timer enabled [ 0.036253] NMI watchdog: disabled (cpu0): hardware events not enabled [ 0.036666] devtmpfs: initialized [ 0.036666] xor: automatically using best checksumming function: [ 0.070003] avx : 22472.400 MB/sec [ 0.070405] atomic64_test: passed for x86-64 platform with CX8 and with SSE [ 0.071164] regulator-dummy: no parameters [ 0.071777] NET: Registered protocol family 16 [ 0.073072] cpuidle: using governor ladder [ 0.073340] cpuidle: using governor menu [ 0.074419] ACPI: bus type PCI registered [ 0.074828] PCI: Using configuration type 1 for base access [ 0.136672] raid6: sse2x1 6479 MB/s [ 0.193337] raid6: sse2x2 8361 MB/s [ 0.250004] raid6: sse2x4 11198 MB/s [ 0.250352] raid6: using algorithm sse2x4 (11198 MB/s) [ 0.250813] raid6: using ssse3x2 recovery algorithm [ 0.251282] gpio-f7188x: Not a Fintek device at 0x0000002e [ 0.251799] gpio-f7188x: Not a Fintek device at 0x0000004e [ 0.252428] ACPI: Added _OSI(Module Device) [ 0.252817] ACPI: Added _OSI(Processor Device) [ 0.253225] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.253337] ACPI: Added _OSI(Processor Aggregator Device) [ 0.254673] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.256675] ACPI: Interpreter enabled [ 0.257026] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20150204/hwxface-580) [ 0.257885] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20150204/hwxface-580) [ 0.258755] ACPI: (supports S0 S3 S5) [ 0.259096] ACPI: Using IOAPIC for interrupt routing [ 0.259570] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.263958] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.264530] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 0.265053] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.265766] PCI host bridge to bus 0000:00 [ 0.266151] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.266658] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.266671] pci_bus 0000:00: root bus resource [io 0x0d00-0xadff window] [ 0.267279] pci_bus 0000:00: root bus resource [io 0xae0f-0xaeff window] [ 0.267892] pci_bus 0000:00: root bus resource [io 0xaf20-0xafdf window] [ 0.268497] pci_bus 0000:00: root bus resource [io 0xafe4-0xffff window] [ 0.269114] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.269784] pci_bus 0000:00: root bus resource [mem 0x10000000-0xfebfffff window] [ 0.270043] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 0.270964] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 [ 0.271972] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 [ 0.282114] pci 0000:00:01.1: reg 0x20: [io 0xc200-0xc20f] [ 0.286531] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.286671] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.287264] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.287908] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.288684] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 0.289530] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI [ 0.290012] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB [ 0.290888] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000 [ 0.295537] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref] [ 0.298846] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff] [ 0.315468] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 0.316285] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 0.320006] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 0.323339] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f] [ 0.340006] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 0.340839] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000 [ 0.345453] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 0.348789] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff] [ 0.365747] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000 [ 0.368764] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc0bf] [ 0.372110] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff] [ 0.389121] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000 [ 0.392094] pci 0000:00:06.0: reg 0x10: [io 0xc0c0-0xc0ff] [ 0.395425] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff] [ 0.412429] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 [ 0.415434] pci 0000:00:07.0: reg 0x10: [io 0xc100-0xc13f] [ 0.418762] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff] [ 0.435758] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000 [ 0.438774] pci 0000:00:08.0: reg 0x10: [io 0xc140-0xc17f] [ 0.442102] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 0.459086] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000 [ 0.462107] pci 0000:00:09.0: reg 0x10: [io 0xc180-0xc1bf] [ 0.465434] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 0.482428] pci 0000:00:0a.0: [1af4:1001] type 00 class 0x010000 [ 0.485434] pci 0000:00:0a.0: reg 0x10: [io 0xc1c0-0xc1ff] [ 0.488761] pci 0000:00:0a.0: reg 0x14: [mem 0xfebf7000-0xfebf7fff] [ 0.505730] pci 0000:00:0b.0: [8086:25ab] type 00 class 0x088000 [ 0.507736] pci 0000:00:0b.0: reg 0x10: [mem 0xfebf8000-0xfebf800f] [ 0.519058] pci_bus 0000:00: on NUMA node 0 [ 0.519867] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.520268] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.520929] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.521598] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.522220] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.523022] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.523855] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.524378] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.525112] vgaarb: loaded [ 0.525363] vgaarb: bridge control possible 0000:00:02.0 [ 0.526232] SCSI subsystem initialized [ 0.526629] ACPI: bus type USB registered [ 0.526698] usbcore: registered new interface driver usbfs [ 0.527210] usbcore: registered new interface driver hub [ 0.527717] usbcore: registered new device driver usb [ 0.528251] pps_core: LinuxPPS API ver. 1 registered [ 0.528715] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.529542] PTP clock support registered [ 0.529982] wmi: Mapper loaded [ 0.530082] PCI: Using ACPI for IRQ routing [ 0.530480] PCI: pci_cache_line_size set to 64 bytes [ 0.531104] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] [ 0.531654] e820: reserve RAM buffer [mem 0x02a91800-0x03ffffff] [ 0.532202] e820: reserve RAM buffer [mem 0x0ffe0000-0x0fffffff] [ 0.532962] NET: Registered protocol family 23 [ 0.533367] NET: Registered protocol family 8 [ 0.533770] NET: Registered protocol family 20 [ 0.534948] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.535659] Switched to clocksource kvm-clock [ 0.536173] FS-Cache: Loaded [ 0.536504] CacheFiles: Loaded [ 0.536666] pnp: PnP ACPI init [ 0.536666] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1) [ 0.536666] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.536666] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1) [ 0.536989] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.537602] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1) [ 0.537805] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active) [ 0.537805] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1) [ 0.537805] pnp 00:03: [dma 2] [ 0.540054] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active) [ 0.540678] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1) [ 0.541433] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active) [ 0.542063] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1) [ 0.542803] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active) [ 0.543657] pnp: PnP ACPI: found 6 devices [ 0.548992] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.549559] pci_bus 0000:00: resource 5 [io 0x0d00-0xadff window] [ 0.550128] pci_bus 0000:00: resource 6 [io 0xae0f-0xaeff window] [ 0.550684] pci_bus 0000:00: resource 7 [io 0xaf20-0xafdf window] [ 0.551242] pci_bus 0000:00: resource 8 [io 0xafe4-0xffff window] [ 0.551798] pci_bus 0000:00: resource 9 [mem 0x000a0000-0x000bffff window] [ 0.552416] pci_bus 0000:00: resource 10 [mem 0x10000000-0xfebfffff window] [ 0.553087] NET: Registered protocol family 2 [ 0.553704] TCP established hash table entries: 2048 (order: 2, 16384 bytes) [ 0.554372] TCP bind hash table entries: 2048 (order: 5, 131072 bytes) [ 0.555032] TCP: Hash tables configured (established 2048 bind 2048) [ 0.555638] TCP: reno registered [ 0.555949] UDP hash table entries: 128 (order: 2, 20480 bytes) [ 0.556496] UDP-Lite hash table entries: 128 (order: 2, 20480 bytes) [ 0.557194] NET: Registered protocol family 1 [ 0.557613] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.558168] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 0.558704] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 0.559288] pci 0000:00:02.0: Video device with shadowed ROM [ 0.559859] PCI: CLS 0 bytes, default 64 [ 0.560301] Trying to unpack rootfs image as initramfs... [ 0.610957] Freeing initrd memory: 3112K (ffff88000fcce000 - ffff88000ffd8000) [ 0.612359] Scanning for low memory corruption every 60 seconds [ 0.613653] sha1_ssse3: Using AVX optimized SHA-1 implementation [ 0.614265] sha256_ssse3: Using AVX optimized SHA-256 implementation [ 0.615827] AVX2 or AES-NI instructions are not detected. [ 0.616329] AVX2 instructions are not detected. [ 0.616778] spin_lock-torture:--- Start of test [debug]: nwriters_stress=2 nreaders_stress=0 stat_interval=60 verbose=1 shuffle_interval=3 stutter=5 shutdown_secs=0 onoff_interval=0 onoff_holdoff=0 [ 0.618351] spin_lock-torture: Creating torture_shuffle task [ 0.618890] spin_lock-torture: Creating torture_stutter task [ 0.619421] spin_lock-torture: torture_shuffle task started [ 0.619941] spin_lock-torture: Creating lock_torture_writer task [ 0.620506] spin_lock-torture: torture_stutter task started [ 0.621027] spin_lock-torture: Creating lock_torture_writer task [ 0.621583] spin_lock-torture: lock_torture_writer task started [ 0.622141] spin_lock-torture: Creating lock_torture_stats task [ 0.622699] spin_lock-torture: lock_torture_writer task started [ 0.623256] torture_init_begin: refusing rcu init: spin_lock running [ 0.624026] futex hash table entries: 16 (order: -2, 1280 bytes) [ 0.624610] Initialise system trusted keyring [ 0.625152] spin_lock-torture: lock_torture_stats task started [ 0.625710] zbud: loaded [ 0.626032] VFS: Disk quotas dquot_6.5.2 [ 0.626410] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.627243] DLM installed [ 0.628368] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 0.629392] QNX4 filesystem 0.2.3 registered. [ 0.629797] qnx6: QNX6 filesystem 1.0.0 registered. [ 0.630262] SGI XFS with ACLs, security attributes, no debug enabled [ 0.630945] 9p: Installing v9fs 9p2000 file system support [ 0.631472] NILFS version 2 loaded [ 0.631790] befs: version: 0.9.3 [ 0.632192] ocfs2: Registered cluster interface user [ 0.632681] OCFS2 User DLM kernel interface loaded [ 0.633454] gfs2: GFS2 installed [ 0.633785] FS-Cache: Netfs 'ceph' registered for caching [ 0.634289] ceph: loaded (mds proto 32) [ 0.635727] NET: Registered protocol family 38 [ 0.636166] Key type asymmetric registered [ 0.636561] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 0.637253] io scheduler noop registered (default) [ 0.637714] io scheduler cfq registered [ 0.638077] start plist test [ 0.639584] end plist test [ 0.639839] test_string_helpers: Running tests... [ 0.640355] test_hexdump: Running tests... [ 0.640855] test_firmware: interface ready [ 0.641343] xz_dec_test: module loaded [ 0.641687] xz_dec_test: Create a device node with 'mknod xz_dec_test c 249 0' and write .xz files to it. [ 0.642559] rbtree testing -> 9128 cycles [ 1.012551] augmented rbtree testing -> 10928 cycles [ 1.457831] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 1.458407] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 1.459018] cpcihp_zt5550: ZT5550 CompactPCI Hot Plug Driver version: 0.2 [ 1.460134] hgafb: HGA card not detected. [ 1.460507] hgafb: probe of hgafb.0 failed with error -22 [ 1.461091] cirrusfb 0000:00:02.0: Cirrus Logic chipset on PCI bus, RAM (4096 kB) at 0xfc000000 [ 1.462033] usbcore: registered new interface driver udlfb [ 1.613395] tsc: Refined TSC clocksource calibration: 2693.512 MHz [ 6.463366] uvesafb: Getting VBE info block failed (eax=0x4f00, err=1) [ 6.468257] uvesafb: vbe_init() failed with -22 [ 6.471290] uvesafb: probe of uvesafb.0 failed with error -22 [ 6.473612] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.474756] ACPI: Power Button [PWRF] [ 6.557634] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 [ 6.558697] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1) [ 6.559500] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.621161] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 6.621683] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1) [ 6.622476] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 6.683835] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10 [ 6.684405] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 6.745611] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.746184] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.807197] virtio-pci 0000:00:08.0: virtio_pci: leaving for legacy driver [ 6.868122] virtio-pci 0000:00:09.0: virtio_pci: leaving for legacy driver [ 6.928909] virtio-pci 0000:00:0a.0: virtio_pci: leaving for legacy driver [ 6.929996] r3964: Philips r3964 Driver $Revision: 1.10 $ [ 6.930501] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 6.955599] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.957496] Cyclades driver 2.6 [ 6.957843] Initializing Nozomi driver 2.1d [ 6.958250] SyncLink GT [ 6.958484] SyncLink GT, tty major#242 [ 6.958838] SyncLink GT no devices found [ 6.959199] SyncLink MultiPort driver $Revision: 4.38 $ [ 6.963056] SyncLink MultiPort driver $Revision: 4.38 $, tty major#241 [ 6.963661] SyncLink serial driver $Revision: 4.38 $ [ 6.967478] SyncLink serial driver $Revision: 4.38 $, tty major#240 [ 6.968149] Non-volatile memory driver v1.3 [ 6.968656] telclk_interrupt = 0xf non-mcpbl0010 hw. [ 6.969115] Linux agpgart interface v0.103 [ 6.969741] [drm] Initialized drm 1.1.0 20060810 [ 6.970206] [drm] radeon kernel modesetting enabled. [ 6.971110] Floppy drive(s): fd0 is 1.44M [ 6.973570] brd: module loaded [ 6.975519] loop: module loaded [ 6.976023] nbd: registered device at major 43 [ 6.978003] rbd: loaded [ 6.978244] mtip32xx Version 1.3.1 [ 6.978553] Error creating debugfs parent [ 6.979340] null: module loaded [ 6.979791] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti [ 6.980528] c2port c2port0: C2 port uc added [ 6.980923] c2port c2port0: uc flash has 30 blocks x 512 bytes (15360 bytes total) [ 6.981673] Guest personality initialized and is inactive [ 6.982217] VMCI host device registered (name=vmci, major=10, minor=53) [ 6.982816] Initialized host personality [ 6.983213] mic_init not running on X100 ret -19 [ 6.983868] usbcore: registered new interface driver viperboard [ 6.984429] usbcore: registered new interface driver dln2 [ 6.984928] Uniform Multi-Platform E-IDE driver [ 6.985504] piix 0000:00:01.1: IDE controller (0x8086:0x7010 rev 0x00) [ 6.986148] piix 0000:00:01.1: not 100% native mode: will probe irqs later [ 6.987173] ide0: BM-DMA at 0xc200-0xc207 [ 6.987581] ide1: BM-DMA at 0xc208-0xc20f [ 6.987984] Probing IDE interface ide0... [ 6.997710] FDC 0 is a S82078B [ 7.530098] Probing IDE interface ide1... [ 8.230080] hdc: QEMU DVD-ROM, ATAPI CD/DVD-ROM drive [ 8.870109] hdc: host max PIO4 wanted PIO255(auto-tune) selected PIO0 [ 8.870764] hdc: MWDMA2 mode selected [ 8.871234] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 [ 8.871678] ide1 at 0x170-0x177,0x376 on irq 15 [ 8.872697] ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports [ 8.873577] ide-gd driver 1.18 [ 8.873883] ide-cd driver 5.00 [ 8.874369] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 [ 8.875106] IP: [] blk_clear_congested+0x14/0x1f [ 8.875677] PGD 0 [ 8.875882] Oops: 0000 [#1] [ 8.876160] CPU: 0 PID: 1 Comm: swapper Not tainted 4.0.0-rc3-00183-g0f911ca #4 [ 8.876814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 8.876904] task: ffff88000f846010 ti: ffff88000f860000 task.ti: ffff88000f860000 [ 8.876904] RIP: 0010:[] [] blk_clear_congested+0x14/0x1f [ 8.876904] RSP: 0018:ffff88000f863a58 EFLAGS: 00010046 [ 8.876904] RAX: 0000000000000000 RBX: ffff88000e0c0038 RCX: 0000000000000000 [ 8.876904] RDX: ffff88000e0c0008 RSI: 0000000000000001 RDI: ffff88000e0c0038 [ 8.876904] RBP: ffff88000f863a58 R08: ffff88000e0ece70 R09: ffff88000e0c0648 [ 8.876904] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 8.876904] R13: 0000000000000001 R14: ffff88000e0c0008 R15: ffff88000e0c003c [ 8.876904] FS: 0000000000000000(0000) GS:ffffffff88885000(0000) knlGS:0000000000000000 [ 8.876904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.876904] CR2: 0000000000000030 CR3: 000000000e5e6000 CR4: 00000000001406b0 [ 8.876904] Stack: [ 8.876904] ffff88000f863a98 ffffffff878166df ffff88000e0c0008 000000000e0ecd00 [ 8.876904] ffff88000e0c0038 000000002c0a0000 ffff88000e0e1800 ffff88000f863b60 [ 8.876904] ffff88000f863ab8 ffffffff87816775 ffff88000e0ecd00 ffff88000e0c0038 [ 8.876904] Call Trace: [ 8.876904] [] __freed_request+0x33/0x88 [ 8.876904] [] freed_request+0x41/0x60 [ 8.876904] [] __blk_put_request+0xf4/0x158 [ 8.876904] [] ? blk_put_request+0x2e/0x53 [ 8.876904] [] blk_put_request+0x3c/0x53 [ 8.876904] [] ide_cd_queue_pc+0x14b/0x1cf [ 8.876904] [] ide_cdrom_packet+0x75/0x8a [ 8.876904] [] cdrom_mode_sense+0x3f/0x41 [ 8.876904] [] ide_cdrom_get_capabilities+0x60/0x85 [ 8.876904] [] ide_cd_probe+0x2e5/0x644 [ 8.876904] [] generic_ide_probe+0x25/0x27 [ 8.876904] [] driver_probe_device+0xa5/0x1dc [ 8.876904] [] __driver_attach+0x5d/0x80 [ 8.876904] [] ? __device_attach+0x38/0x38 [ 8.876904] [] bus_for_each_dev+0x6a/0x84 [ 8.876904] [] driver_attach+0x19/0x1b [ 8.876904] [] bus_add_driver+0xfa/0x1b9 [ 8.876904] [] driver_register+0x8a/0xc7 [ 8.876904] [] ? up+0x34/0x39 [ 8.876904] [] ? ide_gd_init+0x20/0x20 [ 8.876904] [] ide_cdrom_init+0x1e/0x20 [ 8.876904] [] do_one_initcall+0x187/0x19c [ 8.876904] [] kernel_init_freeable+0x1b8/0x240 [ 8.876904] [] ? rest_init+0xbd/0xbd [ 8.876904] [] kernel_init+0x9/0xd0 [ 8.876904] [] ret_from_fork+0x57/0x90 [ 8.876904] [] ? rest_init+0xbd/0xbd [ 8.876904] Code: 39 c7 75 12 55 48 8b 47 08 48 89 e5 48 8b 78 30 e8 85 89 cd ff 5d c3 48 8b 07 48 83 c0 30 48 39 c7 75 12 55 48 8b 47 08 48 89 e5 <48> 8b 78 30 e8 13 89 cd ff 5d c3 55 48 89 e5 41 57 41 56 41 55 [ 8.876904] RIP [] blk_clear_congested+0x14/0x1f [ 8.876904] RSP [ 8.876904] CR2: 0000000000000030 [ 8.876904] ---[ end trace d876994dcac9f20d ]--- [ 8.876904] Kernel panic - not syncing: Fatal exception [ 8.876904] Kernel Offset: 0x6400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Elapsed time: 10 qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /kernel/x86_64-randconfig-c2-0331/0f911cac330baced0d2ad971315605599a896c66/vmlinuz-4.0.0-rc3-00183-g0f911ca -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/x86_64-randconfig-c2-0331/cgroup:review-cgroup-writeback-20150331:0f911cac330baced0d2ad971315605599a896c66:bisect-linux-4/.vmlinuz-0f911cac330baced0d2ad971315605599a896c66-20150401023221-11-ivb41 branch=cgroup/review-cgroup-writeback-20150331 BOOT_IMAGE=/kernel/x86_64-randconfig-c2-0331/0f911cac330baced0d2ad971315605599a896c66/vmlinuz-4.0.0-rc3-00183-g0f911ca drbd.minor_count=8' -initrd /kernel-tests/initrd/yocto-minimal-x86_64.cgz -m 256 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive file=/fs/vdisk/disk0-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk1-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk2-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk3-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk4-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk5-yocto-ivb41-2,media=disk,if=virtio -drive file=/fs/vdisk/disk6-yocto-ivb41-2,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-yocto-ivb41-2 -serial file:/dev/shm/kboot/serial-yocto-ivb41-2 -daemonize -display none -monitor null