[x86-32] BUG: unable to handle kernel NULL pointer dereference at 0000000000000880

From: Fengguang Wu
Date: Fri Dec 12 2014 - 15:33:41 EST


Greetings,

0day kernel testing robot got the below dmesg and the first bad commit is

https://github.com/fyu1/linux.git test

commit da12e1dc716f77937779215f74bfbfe42c5b3709
Author: Fenghua Yu <fenghua.yu@xxxxxxxxx>
AuthorDate: Wed Dec 10 14:00:44 2014 -0800
Commit: Fenghua Yu <fenghua.yu@xxxxxxxxx>
CommitDate: Thu Dec 11 10:40:03 2014 -0800

x86-32: Allocate pgd in paravirt for XEN

In non-XEN or non-PAE case, still allocate 4KB pgd.

For other cases

Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>

+------------------------------------------+------------+------------+------------+
| | 92a578b064 | da12e1dc71 | 4263d929cf |
+------------------------------------------+------------+------------+------------+
| boot_successes | 63 | 0 | 0 |
| boot_failures | 2 | 20 | 12 |
| BUG:kernel_boot_hang | 1 | | |
| BUG:kernel_test_crashed | 1 | | |
| BUG:unable_to_handle_kernel | 0 | 20 | 12 |
| Oops | 0 | 20 | 12 |
| RIP:pgd_alloc | 0 | 20 | 12 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 15 | 7 |
| backtrace:mm_init | 0 | 15 | 7 |
| backtrace:do_execve | 0 | 15 | 7 |
| backtrace:run_init_process | 0 | 15 | 7 |
+------------------------------------------+------------+------------+------------+

[ 42.296661] Write protecting the kernel read-only data: 28672k
[ 42.382977] Freeing unused kernel memory: 700K (ffff880005951000 - ffff880005a00000)
[ 42.563098] Freeing unused kernel memory: 988K (ffff880006109000 - ffff880006200000)
[ 42.773320] BUG: unable to handle kernel NULL pointer dereference at 0000000000000880
[ 42.774231] IP: [<ffffffff84644a52>] pgd_alloc+0x52/0x1f0
[ 42.774231] PGD 0
[ 42.774231] Oops: 0002 [#1] PREEMPT
[ 42.774231] CPU: 0 PID: 1 Comm: swapper Not tainted 3.18.0-gda12e1d #29
[ 42.774231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[ 42.774231] task: ffff880012458000 ti: ffff880012460000 task.ti: ffff880012460000
[ 42.774231] RIP: 0010:[<ffffffff84644a52>] [<ffffffff84644a52>] pgd_alloc+0x52/0x1f0
[ 42.774231] RSP: 0000:ffff880012463e78 EFLAGS: 00010293
[ 42.774231] RAX: 000000000664e067 RBX: 0000000000000000 RCX: fffffffffffffff8
[ 42.774231] RDX: 0000000080000000 RSI: ffffffff8620e880 RDI: 0000000000000888
[ 42.774231] RBP: ffff880012463e88 R08: ffffffff85f50f13 R09: ffff880011ff2300
[ 42.774231] R10: 0000000000000090 R11: 0000000000000000 R12: ffff880013348000
[ 42.774231] R13: ffffffff862151c0 R14: ffffffff86215080 R15: 00000000132c5a00
[ 42.774231] FS: 0000000000000000(0000) GS:ffffffff8621f000(0000) knlGS:0000000000000000
[ 42.774231] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 42.774231] CR2: 0000000000000880 CR3: 000000000620e000 CR4: 00000000000006f0
[ 42.774231] Stack:
[ 42.774231] ffff880013348000 ffff880012458000 ffff880012463ea8 ffffffff8469bff9
[ 42.774231] ffff880013351000 ffff8800132c5900 ffff880012463eb8 ffffffff8469c2cb
[ 42.774231] ffff880012463f28 ffffffff84762920 ffff880012463f08 ffffffff847654e9
[ 42.774231] Call Trace:
[ 42.774231] [<ffffffff8469bff9>] mm_init+0x139/0x1b0
[ 42.774231] [<ffffffff8469c2cb>] mm_alloc+0x5b/0x70
[ 42.774231] [<ffffffff84762920>] do_execve+0x1e0/0x5f0
[ 42.774231] [<ffffffff847654e9>] ? getname_kernel+0x39/0x80
[ 42.774231] [<ffffffff8594e607>] ? bad_gs+0x265/0x81e
[ 42.774231] [<ffffffff85927fd0>] ? rest_init+0x80/0x80
[ 42.774231] [<ffffffff84602026>] run_init_process+0x26/0x30
[ 42.774231] [<ffffffff85928008>] kernel_init+0x38/0xf0
[ 42.774231] [<ffffffff8594c7ba>] ret_from_fork+0x7a/0xb0
[ 42.774231] [<ffffffff85927fd0>] ? rest_init+0x80/0x80
[ 42.774231] Code: 79 07 00 48 8b 05 4f 9e bc 01 48 8d bb 88 08 00 00 48 8d 8b 80 08 00 00 48 c7 c6 80 e8 20 86 ba 00 00 00 80 48 83 e7 f8 48 29 f9 <48> 89 83 80 08 00 00 48 8b 05 98 a5 bc 01 48 29 ce 81 c1 80 07
[ 42.774231] RIP [<ffffffff84644a52>] pgd_alloc+0x52/0x1f0
[ 42.774231] RSP <ffff880012463e78>
[ 42.774231] CR2: 0000000000000880
[ 42.774231] ---[ end trace 486b1714a42d9464 ]---
[ 42.774231] Kernel panic - not syncing: Fatal exception

git bisect start 4263d929cffaef10489f2e8077a2a0d0fdff4701 b2776bf7149bddd1f4161f14f79520f17fc1d71d --
git bisect bad b248a1a8129e68ec740e7d70af6b97ccfa0eea49 # 03:08 0- 1 Merge 'cgroup/tmp' into devel-lkp-nhm1-smoke-201412130236
git bisect good 2a54451092753dbe3f345ca624c0239af3ab4fe2 # 03:24 20+ 0 Merge 'microblaze/xnext/fpga-v4' into devel-lkp-nhm1-smoke-201412130236
git bisect good 6464a271776a1650eda1b52a5b98f9fc40e497af # 03:32 20+ 0 Merge 'pm/master' into devel-lkp-nhm1-smoke-201412130236
git bisect bad 33e2b62d1e5656f0ff104ea405191dcd2be9add1 # 03:36 0- 1 Merge 'fenghua/test' into devel-lkp-nhm1-smoke-201412130236
git bisect bad 2b0da4faea14f23879f9ca704c11f763129a1283 # 03:43 0- 3 x86-32: Different pgd allocation for Xen Dom0 and DomU in PAE mode
git bisect bad da12e1dc716f77937779215f74bfbfe42c5b3709 # 03:54 0- 20 x86-32: Allocate pgd in paravirt for XEN
# first bad commit: [da12e1dc716f77937779215f74bfbfe42c5b3709] x86-32: Allocate pgd in paravirt for XEN
git bisect good 92a578b064d0227a3a7fbbdb9e29dbab7f8d400e # 03:59 60+ 2 Merge tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
# extra tests on HEAD of linux-devel/devel-lkp-nhm1-smoke-201412130236
git bisect bad 4263d929cffaef10489f2e8077a2a0d0fdff4701 # 03:59 0- 12 0day head guard for 'devel-lkp-nhm1-smoke-201412130236'
# extra tests on tree/branch fenghua/test
git bisect bad 2b0da4faea14f23879f9ca704c11f763129a1283 # 03:59 0- 20 x86-32: Different pgd allocation for Xen Dom0 and DomU in PAE mode
# extra tests on tree/branch linus/master
git bisect good 6ce4436c9cbe903af935291aa219fd6f4c85722d # 04:08 60+ 0 Merge tag 'please-pull-morepstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
# extra tests on tree/branch next/master
git bisect good f4aec88d2134e8ace530be28db614e383961b9c8 # 04:13 60+ 0 Add linux-next specific files for 20141212


This script may reproduce the error.

----------------------------------------------------------------------------
#!/bin/bash

kernel=$1
initrd=quantal-core-x86_64.cgz

wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/raw/master/initrd/$initrd

kvm=(
qemu-system-x86_64
-cpu kvm64
-enable-kvm
-kernel $kernel
-initrd $initrd
-m 320
-smp 2
-net nic,vlan=1,model=e1000
-net user,vlan=1
-boot order=nc
-no-reboot
-watchdog i6300esb
-rtc base=localtime
-serial stdio
-display none
-monitor null
)

append=(
hung_task_panic=1
earlyprintk=ttyS0,115200
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
drbd.minor_count=8
)

"${kvm[@]}" --append "${append[*]}"
----------------------------------------------------------------------------

Thanks,
Fengguang
early console in setup code
Probing EDD (edd=off to disable)... ok
early console in decompress_kernel
KASLR using RDTSC...

Decompressing Linux... Parsing ELF... Performing relocations... done.
Booting the kernel.
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.18.0-gda12e1d (kbuild@lkp-nhm1) (gcc version 4.9.1 (Debian 4.9.1-19) ) #29 PREEMPT Sat Dec 13 03:50:35 CST 2014
[ 0.000000] Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 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-n0-12082301/linux-devel:devel-lkp-nhm1-smoke-201412130236:da12e1dc716f77937779215f74bfbfe42c5b3709:bisect-linux-8/.vmlinuz-da12e1dc716f77937779215f74bfbfe42c5b3709-20141213035115-14-client8 branch=linux-devel/devel-lkp-nhm1-smoke-201412130236 BOOT_IMAGE=/kernel/x86_64-randconfig-n0-12082301/da12e1dc716f77937779215f74bfbfe42c5b3709/vmlinuz-3.18.0-gda12e1d drbd.minor_count=8
[ 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 0x0000000000100000-0x0000000013fdffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000013fe0000-0x0000000013ffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 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 = 0x13fe0 max_arch_pfn = 0x400000000
[ 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] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC
[ 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 [0x0664e000, 0x0664efff] PGTABLE
[ 0.000000] BRK [0x0664f000, 0x0664ffff] PGTABLE
[ 0.000000] BRK [0x06650000, 0x06650fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x12600000-0x127fffff]
[ 0.000000] [mem 0x12600000-0x127fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x10000000-0x125fffff]
[ 0.000000] [mem 0x10000000-0x125fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff]
[ 0.000000] [mem 0x00100000-0x001fffff] page 4k
[ 0.000000] [mem 0x00200000-0x0fffffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x12800000-0x13fdffff]
[ 0.000000] [mem 0x12800000-0x13dfffff] page 2M
[ 0.000000] [mem 0x13e00000-0x13fdffff] page 4k
[ 0.000000] BRK [0x06651000, 0x06651fff] PGTABLE
[ 0.000000] RAMDISK: [mem 0x12925000-0x13fd7fff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F0C90 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x0000000013FE18BD 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0x0000000013FE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0x0000000013FE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACS 0x0000000013FE0000 000040
[ 0.000000] ACPI: SSDT 0x0000000013FE0BAB 000C5A (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0x0000000013FE1805 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] ACPI: HPET 0x0000000013FE1885 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 0:13fdf001, primary cpu clock
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal 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 0x00100000-0x13fdffff]
[ 0.000000] Initmem setup node 0 [mem 0x00001000-0x13fdffff]
[ 0.000000] On node 0 totalpages: 81790
[ 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: 1216 pages used for memmap
[ 0.000000] DMA32 zone: 77792 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 (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored.
[ 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 62324c0
[ 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: 80489
[ 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=-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-n0-12082301/linux-devel:devel-lkp-nhm1-smoke-201412130236:da12e1dc716f77937779215f74bfbfe42c5b3709:bisect-linux-8/.vmlinuz-da12e1dc716f77937779215f74bfbfe42c5b3709-20141213035115-14-client8 branch=linux-devel/devel-lkp-nhm1-smoke-201412130236 BOOT_IMAGE=/kernel/x86_64-randconfig-n0-12082301/da12e1dc716f77937779215f74bfbfe42c5b3709/vmlinuz-3.18.0-gda12e1d drbd.minor_count=8
[ 0.000000] sysrq: sysrq always enabled.
[ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[ 0.000000] Memory: 263736K/327160K available (19771K kernel code, 1892K rwdata, 7204K rodata, 1264K init, 1240K bss, 63424K reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] NR_IRQS:4352 nr_irqs:48 0
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] bootconsole [earlyser0] disabled
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.18.0-gda12e1d (kbuild@lkp-nhm1) (gcc version 4.9.1 (Debian 4.9.1-19) ) #29 PREEMPT Sat Dec 13 03:50:35 CST 2014
[ 0.000000] Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 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-n0-12082301/linux-devel:devel-lkp-nhm1-smoke-201412130236:da12e1dc716f77937779215f74bfbfe42c5b3709:bisect-linux-8/.vmlinuz-da12e1dc716f77937779215f74bfbfe42c5b3709-20141213035115-14-client8 branch=linux-devel/devel-lkp-nhm1-smoke-201412130236 BOOT_IMAGE=/kernel/x86_64-randconfig-n0-12082301/da12e1dc716f77937779215f74bfbfe42c5b3709/vmlinuz-3.18.0-gda12e1d drbd.minor_count=8
[ 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 0x0000000000100000-0x0000000013fdffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000013fe0000-0x0000000013ffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 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 = 0x13fe0 max_arch_pfn = 0x400000000
[ 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] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC
[ 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 [0x0664e000, 0x0664efff] PGTABLE
[ 0.000000] BRK [0x0664f000, 0x0664ffff] PGTABLE
[ 0.000000] BRK [0x06650000, 0x06650fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x12600000-0x127fffff]
[ 0.000000] [mem 0x12600000-0x127fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x10000000-0x125fffff]
[ 0.000000] [mem 0x10000000-0x125fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff]
[ 0.000000] [mem 0x00100000-0x001fffff] page 4k
[ 0.000000] [mem 0x00200000-0x0fffffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x12800000-0x13fdffff]
[ 0.000000] [mem 0x12800000-0x13dfffff] page 2M
[ 0.000000] [mem 0x13e00000-0x13fdffff] page 4k
[ 0.000000] BRK [0x06651000, 0x06651fff] PGTABLE
[ 0.000000] RAMDISK: [mem 0x12925000-0x13fd7fff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F0C90 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x0000000013FE18BD 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0x0000000013FE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0x0000000013FE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACS 0x0000000013FE0000 000040
[ 0.000000] ACPI: SSDT 0x0000000013FE0BAB 000C5A (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0x0000000013FE1805 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] ACPI: HPET 0x0000000013FE1885 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 0:13fdf001, primary cpu clock
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal 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 0x00100000-0x13fdffff]
[ 0.000000] Initmem setup node 0 [mem 0x00001000-0x13fdffff]
[ 0.000000] On node 0 totalpages: 81790
[ 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: 1216 pages used for memmap
[ 0.000000] DMA32 zone: 77792 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 (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored.
[ 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 62324c0
[ 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: 80489
[ 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=-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-n0-12082301/linux-devel:devel-lkp-nhm1-smoke-201412130236:da12e1dc716f77937779215f74bfbfe42c5b3709:bisect-linux-8/.vmlinuz-da12e1dc716f77937779215f74bfbfe42c5b3709-20141213035115-14-client8 branch=linux-devel/devel-lkp-nhm1-smoke-201412130236 BOOT_IMAGE=/kernel/x86_64-randconfig-n0-12082301/da12e1dc716f77937779215f74bfbfe42c5b3709/vmlinuz-3.18.0-gda12e1d drbd.minor_count=8
[ 0.000000] sysrq: sysrq always enabled.
[ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[ 0.000000] Memory: 263736K/327160K available (19771K kernel code, 1892K rwdata, 7204K rodata, 1264K init, 1240K bss, 63424K reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] NR_IRQS:4352 nr_irqs:48 0
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] bootconsole [earlyser0] disabled
[ 0.000000] console [ttyS0] enabled
[ 0.000000] hpet clockevent registered
[ 0.000000] tsc: Detected 2925.998 MHz processor
[ 0.003000] Calibrating delay loop (skipped) preset value.. 5851.99 BogoMIPS (lpj=2925998)
[ 0.003454] pid_max: default: 32768 minimum: 301
[ 0.004008] ACPI: Core revision 20141107
[ 0.006013] ACPI: All ACPI Tables successfully acquired
[ 0.006929] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.007004] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.008108] Initializing cgroup subsys net_cls
[ 0.009005] Initializing cgroup subsys blkio
[ 0.010004] Initializing cgroup subsys net_prio
[ 0.010657] Initializing cgroup subsys debug
[ 0.011051] mce: CPU supports 10 MCE banks
[ 0.012038] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.012038] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 0.013002] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01)
[ 0.029320] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only.
[ 0.030782] Getting VERSION: 1050014
[ 0.031007] Getting VERSION: 1050014
[ 0.032006] Getting ID: 0
[ 0.032559] Getting ID: ff000000
[ 0.033015] Getting LVT0: 8700
[ 0.033668] Getting LVT1: 8400
[ 0.034058] enabled ExtINT on CPU#0
[ 0.036281] ENABLING IO-APIC IRQs
[ 0.036975] init IO_APIC IRQs
[ 0.037003] apic 0 pin 0 not connected
[ 0.038006] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[ 0.039019] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[ 0.040019] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[ 0.041018] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[ 0.042018] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[ 0.043018] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1)
[ 0.044018] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[ 0.045018] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[ 0.046023] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[ 0.047021] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[ 0.048021] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1)
[ 0.049020] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1)
[ 0.050020] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[ 0.051020] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[ 0.052020] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[ 0.053020] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[ 0.054018] apic 0 pin 16 not connected
[ 0.055002] apic 0 pin 17 not connected
[ 0.056002] apic 0 pin 18 not connected
[ 0.057002] apic 0 pin 19 not connected
[ 0.058002] apic 0 pin 20 not connected
[ 0.058875] apic 0 pin 21 not connected
[ 0.059000] apic 0 pin 22 not connected
[ 0.059000] apic 0 pin 23 not connected
[ 0.059149] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.060002] Using local APIC timer interrupts.
[ 0.060002] calibrating APIC timer ...
[ 0.062000] ... lapic delta = 6314366
[ 0.062000] ... PM-Timer delta = 361663
[ 0.062000] APIC calibration not consistent with PM-Timer: 101ms instead of 100ms
[ 0.062000] APIC delta adjusted to PM-Timer: 6249609 (6314366)
[ 0.062000] TSC delta adjusted to PM-Timer: 292594320 (295626085)
[ 0.062000] ..... delta 6249609
[ 0.062000] ..... mult: 268418662
[ 0.062000] ..... calibration result: 999937
[ 0.062000] ..... CPU clock speed is 2925.0943 MHz.
[ 0.062000] ..... host bus clock speed is 999.0937 MHz.
[ 0.062934] xor: measuring software checksum speed
[ 0.073004] prefetch64-sse: 12160.000 MB/sec
[ 0.083004] generic_sse: 10764.000 MB/sec
[ 0.083955] xor: using function: prefetch64-sse (12160.000 MB/sec)
[ 0.084197] NET: Registered protocol family 16
[ 0.088011] cpuidle: using governor ladder
[ 0.091012] cpuidle: using governor menu
[ 0.092151] ACPI: bus type PCI registered
[ 0.093093] PCI: Using configuration type 1 for base access
[ 0.120029] raid6: sse2x1 5179 MB/s
[ 0.138012] raid6: sse2x2 8375 MB/s
[ 0.155010] raid6: sse2x4 9960 MB/s
[ 0.155676] raid6: using algorithm sse2x4 (9960 MB/s)
[ 0.156002] raid6: using intx1 recovery algorithm
[ 0.157079] ACPI: Added _OSI(Module Device)
[ 0.157750] ACPI: Added _OSI(Processor Device)
[ 0.158002] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.159002] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.161195] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[ 0.163076] ACPI: Interpreter enabled
[ 0.163990] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20141107/hwxface-580)
[ 0.165467] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20141107/hwxface-580)
[ 0.167021] ACPI: (supports S0 S3 S5)
[ 0.167662] ACPI: Using IOAPIC for interrupt routing
[ 0.168038] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.171428] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.172014] acpi PNP0A03:00: _OSC: OS supports [Segments]
[ 0.173014] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.174091] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 0.175055] PCI host bridge to bus 0000:00
[ 0.176005] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.177004] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.178004] pci_bus 0000:00: root bus resource [io 0x0d00-0xadff]
[ 0.179005] pci_bus 0000:00: root bus resource [io 0xae0f-0xaeff]
[ 0.180004] pci_bus 0000:00: root bus resource [io 0xaf20-0xafdf]
[ 0.181004] pci_bus 0000:00: root bus resource [io 0xafe4-0xffff]
[ 0.182003] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.183003] pci_bus 0000:00: root bus resource [mem 0x14000000-0xfebfffff]
[ 0.184042] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 0.185341] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[ 0.187205] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[ 0.191004] pci 0000:00:01.1: reg 0x20: [io 0xc040-0xc04f]
[ 0.193031] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.194003] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.195003] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.196003] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.197197] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 0.198359] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI
[ 0.199014] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB
[ 0.200190] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000
[ 0.202007] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref]
[ 0.204007] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff]
[ 0.210007] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[ 0.211147] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[ 0.213391] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[ 0.215377] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f]
[ 0.221527] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[ 0.222226] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000
[ 0.223571] pci 0000:00:04.0: reg 0x10: [mem 0xfebf1000-0xfebf100f]
[ 0.228409] pci_bus 0000:00: on NUMA node 0
[ 0.230080] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.232077] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.234082] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.236074] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.237914] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.239629] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.240259] vgaarb: setting as boot device: PCI:0000:00:02.0
[ 0.241000] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.241002] vgaarb: loaded
[ 0.241503] vgaarb: bridge control possible 0000:00:02.0
[ 0.242192] SCSI subsystem initialized
[ 0.243013] libata version 3.00 loaded.
[ 0.243694] Linux video capture interface: v2.00
[ 0.244015] pps_core: LinuxPPS API ver. 1 registered
[ 0.245001] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
[ 0.246011] PTP clock support registered
[ 0.247037] wmi: Mapper loaded
[ 0.248035] Advanced Linux Sound Architecture Driver Initialized.
[ 0.249004] PCI: Using ACPI for IRQ routing
[ 0.249694] PCI: pci_cache_line_size set to 64 bytes
[ 0.250080] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[ 0.251002] e820: reserve RAM buffer [mem 0x13fe0000-0x13ffffff]
[ 0.252089] NET: Registered protocol family 8
[ 0.253002] NET: Registered protocol family 20
[ 0.254011] nfc: nfc_init: NFC Core ver 0.1
[ 0.254709] NET: Registered protocol family 39
[ 0.255358] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 0.256495] hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[ 0.260013] Switched to clocksource kvm-clock
[ 0.261150] FS-Cache: Loaded
[ 0.261916] CacheFiles: Loaded
[ 0.262869] pnp: PnP ACPI init
[ 0.263708] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[ 0.268846] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.270403] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[ 0.272345] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.273927] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[ 0.275724] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[ 0.277107] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[ 0.278848] pnp 00:03: [dma 2]
[ 0.279734] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[ 0.281335] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[ 0.283164] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[ 0.284566] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[ 0.286314] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.287992] pnp: PnP ACPI: found 6 devices
[ 0.294948] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.296320] pci_bus 0000:00: resource 5 [io 0x0d00-0xadff]
[ 0.297721] pci_bus 0000:00: resource 6 [io 0xae0f-0xaeff]
[ 0.299012] pci_bus 0000:00: resource 7 [io 0xaf20-0xafdf]
[ 0.300414] pci_bus 0000:00: resource 8 [io 0xafe4-0xffff]
[ 0.301764] pci_bus 0000:00: resource 9 [mem 0x000a0000-0x000bffff]
[ 0.303246] pci_bus 0000:00: resource 10 [mem 0x14000000-0xfebfffff]
[ 0.304842] NET: Registered protocol family 2
[ 0.306187] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.307765] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.309301] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.310773] TCP: reno registered
[ 0.311653] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.312896] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.314202] NET: Registered protocol family 1
[ 0.315245] RPC: Registered named UNIX socket transport module.
[ 0.316555] RPC: Registered udp transport module.
[ 0.317596] RPC: Registered tcp transport module.
[ 0.318738] RPC: Registered tcp NFSv4.1 backchannel transport module_______________________________________________
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