* Re: oops during reboot in device_shutdown()
2008-08-31 10:22 ` Marcin Slusarz
@ 2008-08-31 13:00 ` xerces8
0 siblings, 0 replies; 3+ messages in thread
From: xerces8 @ 2008-08-31 13:00 UTC (permalink / raw)
To: Marcin Slusarz; +Cc: linux-kernel
[-- Attachment #1: Type: text/plain, Size: 3962 bytes --]
Marcin Slusarz wrote:
> On Sat, Aug 30, 2008 at 11:52:33PM +0200, xerces8 wrote:
> > Hi!
> >
> > While running RIPLinux* 6.3, I got the below oops.
> >
> > What I did was boot up riplinux from USB key, start X, the run "reboot -f" on VT2.
> >
> > * - http://www.tux.org/pub/people/kent-robotti/looplinux/rip/
> >
> > After the oops I run "reboot" again and got the same oops again.
> > Note: I am not sure if I ran the 32 or 64 bit kernel.
>
> They are from 32 bit kernel.
Yes they are. I reproduced the problem.
> > For kernel config and (3 smallish) patches see:
> > http://www.tux.org/pub/people/kent-robotti/looplinux/rip/docs/kernel.txt
> > (or http://www.tux.org/pub/people/kent-robotti/looplinux/rip/docs/kernel64.txt)
> >
> >
> > HW: Asus P5K-E WiFi maonboard, BIOS version 1013
> > (Intel P35/ICH9R), CPU: Intel Core2 Q6600
> >
> > The oops (both):
> >
> > md: stopping all md devices.
> > BUG: unable to handle kernel NULL pointer dereference at 00000004
> > IP: [<c030b110>] device_shutdown+0x39/0x4c
> > *pde = 00000000
> > Oops: 0000 [#1]
> > Modules linked in: snd_mixer_oss snd_hda_intel snd_pcm snd_timer snd_page_alloc snd_hwdep snd
> > soundcore rtl8187 eeprom_93cx6
> >
> > Pid: 1982, comm: reboot Not tainted (2.6.26 #8)
> > EIP: 0060:[<c030b110>] EFLAGS: 00010246 CPU: 0
> > EIP is at device_shutdown+0x39/0x4c
> > EAX: 00000000 EBX: ffffff90 ECX: 00000000 EDX: ffffff90
> > ESI: 28121969 EDI: b7fb2ff4 EBP: f7d0c000 ESP: f7d0de98
> > DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
> > Process reboot (pid: 1982, ti=f7d0c000 task=f3052740 task.ti=f7d0c000)
> > Stack: 00000000 c011e1bd c011e2ad 01234567 c011e3ec f7d0df14 f7d0df3c 0000002b
> > f28d552c c0149ba1 f28d55c8 c0150d11 ffffff9c ffffff9c 00000401 ffffff9c
> > f28d552c c0949308 00000001 f30528a4 f3052768 c0111cc7 c0111bc9 f30d6ac8
> > Call Trace:
> > [<c011e1bd>] kernel_restart_prepare+0x20/0x25
> > [<c011e2ad>] kernel_restart+0x8/0x2e
> > [<c011e3ec>] sys_reboot+0x112/0x14f
> > [<c0149ba1>] put_filp+0x14/0x31
> > [<c0150d11>] __path_lookup_intent_open+0x6a/0x72
> > [<c0111cc7>] dequeue_entity+0xf/0x8d
> > [<c0111bc9>] __dequeue_entity+0x1f/0x71
> > [<c0111c2c>] set_next_entity+0x11/0x38
> > [<c065eb56>] schedule+0x22e/0x24a
> > [<c01241d1>] hrtimer_cancel+0xa/0x14
> > [<c065f085>] do_nanosleep+0x4e/0x7b
> > [<c01244ba>] hrtimer_nanosleep+0x50/0xab
> > [<c012412a>] hrtimer_wakeup+0x0/0x18
> > [<c0124556>] sys_nanosleep+0x41/0x51
> > [<c01036f2>] syscall_call+0x7/0xb
> > =======================
> > Code: 74 eb 2b 8b 82 b4 00 00 00 85 c0 74 07 8b 48 20 85 c9 75 11 8b 82 b8 00 00 00 85 c0 74 0b
> 8b
> > 48 18 85 c9 74 04 89 d0 ff d1 89 da <8b> 5b 74 83 eb 70 8d 42 70 3b 05 a4 bc 96 c0 75 c7 5b c3
> 55 89
> > EIP: [<c030b110>] device_shutdown+0x39/0x4c SS:ESP 0068:f7d0de98
> > ---[ end trace e0383ca117e3155e ]---
>
> Try to rmmod all modules and see whether reboot works, if it is try to
> unload only half of them, etc... (And tell us which module blocks your reboot)
>
> If it will be hard to reproduce or procedure above won't work, please
> enable "Kernel debugging" (CONFIG_DEBUG_KERNEL), "Driver Core verbose
> debug messages" (CONFIG_DEBUG_DRIVER) and copy messages from dmesg which
> happen before oops.
I managed to reproduce the problem. But it is not "exact science".
What I did was:
- boot RIPLinux 6.3 USB stick
- in boot menu select first option (boot 32 bit kernel)
- when asked opt for keyboard selection
- select "Slovene"
- login as root on VT1
- enter startx
- in X right click and select XTerm in menu
- in same menu select Setup/<fist option> (for wired network)
- wait for the DHCP dialog to appear and click OK
- from right click menu select Firefox/Start
- ctrl-alt-f2 to VT2
- login as root
- enter: reboot -f
It gives the oops in 75% of cases.
The steps above do not load any modules that are not loaded by default anyway.
I attach the full dmesg output.
Regards,
David
[-- Attachment #2: crash_dmesg --]
[-- Type: application/octet-stream, Size: 15463 bytes --]
re 9000 Storage Controller device driver for Linux v2.26.02.010.
RocketRAID 3xxx/4xxx Controller driver v1.3 (071203)
st: Version 20080224, fixed bufsize 32768, s/g segs 256
Driver 'st' needs updating - please use bus_type methods
osst :I: Tape driver with OnStream support version 0.99.4
osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
Driver 'osst' needs updating - please use bus_type methods
Driver 'sd' needs updating - please use bus_type methods
Driver 'sr' needs updating - please use bus_type methods
ahci 0000:03:00.0: version 3.0
ACPI: PCI Interrupt 0000:03:00.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
ahci 0000:03:00.0: AHCI 0001.0000 32 slots 2 ports 3 Gbps 0x3 impl SATA mode
ahci 0000:03:00.0: flags: 64bit ncq pm led clo pmp pio slum part
PCI: Setting latency timer of device 0000:03:00.0 to 64
scsi2 : ahci
scsi3 : ahci
ata1: SATA max UDMA/133 abar m8192@0xfeafe000 port 0xfeafe100 irq 11
ata2: SATA max UDMA/133 abar m8192@0xfeafe000 port 0xfeafe180 irq 11
ata1: SATA link down (SStatus 0 SControl 300)
ata2: SATA link down (SStatus 0 SControl 300)
ata_piix 0000:00:1f.2: version 2.12
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 15
PCI: setting IRQ 15 as level-triggered
ACPI: PCI Interrupt 0000:00:1f.2[B] -> Link [LNKG] -> GSI 15 (level, low) -> IRQ 15
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ACPI: PCI interrupt for device 0000:00:1f.2 disabled
ata_piix: probe of 0000:00:1f.2 failed with error -16
ACPI: PCI Interrupt 0000:00:1f.5[B] -> Link [LNKG] -> GSI 15 (level, low) -> IRQ 15
ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
PCI: Setting latency timer of device 0000:00:1f.5 to 64
ACPI: PCI interrupt for device 0000:00:1f.5 disabled
ata_piix: probe of 0000:00:1f.5 failed with error -16
ACPI: PCI Interrupt 0000:03:00.1[B] -> Link [LNKB] -> GSI 10 (level, low) -> IRQ 10
PCI: Setting latency timer of device 0000:03:00.1 to 64
scsi4 : pata_jmicron
scsi5 : pata_jmicron
ata3: PATA max UDMA/100 cmd 0xec00 ctl 0xe880 bmdma 0xe400 irq 10
ata4: PATA max UDMA/100 cmd 0xe800 ctl 0xe480 bmdma 0xe408 irq 10
ACPI: PCI Interrupt 0000:00:1f.2[B] -> Link [LNKG] -> GSI 15 (level, low) -> IRQ 15
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ACPI: PCI interrupt for device 0000:00:1f.2 disabled
ACPI: PCI Interrupt 0000:00:1f.5[B] -> Link [LNKG] -> GSI 15 (level, low) -> IRQ 15
PCI: Setting latency timer of device 0000:00:1f.5 to 64
ACPI: PCI interrupt for device 0000:00:1f.5 disabled
Fusion MPT base driver 3.04.06
Copyright (c) 1999-2007 LSI Corporation
Fusion MPT SPI Host driver 3.04.06
Fusion MPT FC Host driver 3.04.06
Fusion MPT SAS Host driver 3.04.06
Fusion MPT misc device (ioctl) driver 3.04.06
mptctl: Registered with Fusion MPT base driver
mptctl: /dev/mptctl @ (major,minor=10,220)
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 14
PCI: setting IRQ 14 as level-triggered
ACPI: PCI Interrupt 0000:05:03.0[A] -> Link [LNKD] -> GSI 14 (level, low) -> IRQ 14
ohci1394: Failed to allocate interrupt 14
ohci1394: probe of 0000:05:03.0 failed with error -12
ieee1394: raw1394: /dev/raw1394 device initialized
eth1394: Cannot register CSR space
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 5
PCI: setting IRQ 5 as level-triggered
ACPI: PCI Interrupt 0000:00:1a.7[C] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5
PCI: Setting latency timer of device 0000:00:1a.7 to 64
ehci_hcd 0000:00:1a.7: EHCI Host Controller
ehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1a.7: debug port 1
PCI: cache line size of 32 is not supported by device 0000:00:1a.7
ehci_hcd 0000:00:1a.7: irq 5, io mem 0xf9fffc00
ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 6 ports detected
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 7
PCI: setting IRQ 7 as level-triggered
ACPI: PCI Interrupt 0000:00:1d.7[A] -> Link [LNKH] -> GSI 7 (level, low) -> IRQ 7
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 32 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: irq 7, io mem 0xf9fff800
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 6 ports detected
116x: driver isp116x-hcd, 03 Nov 2005
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:1a.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
PCI: Setting latency timer of device 0000:00:1a.0 to 64
uhci_hcd 0000:00:1a.0: UHCI Host Controller
uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1a.0: irq 11, io base 0x0000b800
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt Link [LNKF] enabled at IRQ 3
PCI: setting IRQ 3 as level-triggered
ACPI: PCI Interrupt 0000:00:1a.1[B] -> Link [LNKF] -> GSI 3 (level, low) -> IRQ 3
PCI: Setting latency timer of device 0000:00:1a.1 to 64
uhci_hcd 0000:00:1a.1: UHCI Host Controller
uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1a.1: irq 3, io base 0x0000b880
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
usb 1-3: new high speed USB device using ehci_hcd and address 2
ACPI: PCI Interrupt 0000:00:1a.2[C] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5
PCI: Setting latency timer of device 0000:00:1a.2 to 64
uhci_hcd 0000:00:1a.2: UHCI Host Controller
uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 5
uhci_hcd 0000:00:1a.2: irq 5, io base 0x0000bc00
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 2 ports detected
usb 1-3: configuration #1 chosen from 1 choice
ACPI: PCI Interrupt 0000:00:1d.0[A] -> Link [LNKH] -> GSI 7 (level, low) -> IRQ 7
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 6
uhci_hcd 0000:00:1d.0: irq 7, io base 0x0000b080
usb usb6: configuration #1 chosen from 1 choice
hub 6-0:1.0: USB hub found
hub 6-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[B] -> Link [LNKD] -> GSI 14 (level, low) -> IRQ 14
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 7
uhci_hcd 0000:00:1d.1: request interrupt 14 failed
uhci_hcd 0000:00:1d.1: USB bus 7 deregistered
ACPI: PCI interrupt for device 0000:00:1d.1 disabled
uhci_hcd 0000:00:1d.1: init 0000:00:1d.1 fail, -16
uhci_hcd: probe of 0000:00:1d.1 failed with error -16
ACPI: PCI Interrupt 0000:00:1d.2[C] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 7
uhci_hcd 0000:00:1d.2: irq 5, io base 0x0000b480
usb usb7: configuration #1 chosen from 1 choice
hub 7-0:1.0: USB hub found
hub 7-0:1.0: 2 ports detected
usb 2-2: new high speed USB device using ehci_hcd and address 2
sl811: driver sl811-hcd, 19 May 2005
usb 2-2: configuration #1 chosen from 1 choice
usb 7-1: new low speed USB device using uhci_hcd and address 2
usb 7-1: configuration #1 chosen from 1 choice
usb 7-2: new low speed USB device using uhci_hcd and address 3
usb 7-2: configuration #1 chosen from 1 choice
usbcore: registered new interface driver usblp
Initializing USB Mass Storage driver...
scsi6 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
usbcore: registered new interface driver usblcd
PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
serio: i8042 KBD port at 0x60,0x64 irq 1
mice: PS/2 mouse device common for all mice
md: linear personality registered for level -1
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
md: raid10 personality registered for level 10
raid6: int32x1 960 MB/s
raid6: int32x2 904 MB/s
raid6: int32x4 781 MB/s
raid6: int32x8 702 MB/s
raid6: mmxx1 3101 MB/s
raid6: mmxx2 3524 MB/s
raid6: sse1x1 2108 MB/s
raid6: sse1x2 2721 MB/s
raid6: sse2x1 3768 MB/s
raid6: sse2x2 4312 MB/s
raid6: using algorithm sse2x2 (4312 MB/s)
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
md: multipath personality registered for level -4
device-mapper: ioctl: 4.13.0-ioctl (2007-10-18) initialised: dm-devel@redhat.com
device-mapper: multipath: version 1.0.5 loaded
device-mapper: multipath round-robin: version 1.0.0 loaded
device-mapper: multipath emc: version 0.0.3 loaded
cpuidle: using governor ladder
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
wbsd: Winbond W83L51xD SD/MMC card interface driver
wbsd: Copyright(c) Pierre Ossman
padlock: VIA PadLock not detected.
usbcore: registered new interface driver hiddev
input: CHICONY USB Keyboard as /class/input/input2
input: USB HID v1.10 Keyboard [CHICONY USB Keyboard] on usb-0000:00:1d.2-1
input: CHESEN PS2 to USB Converter as /class/input/input3
input: USB HID v1.10 Keyboard [CHESEN PS2 to USB Converter] on usb-0000:00:1d.2-2
input: CHESEN PS2 to USB Converter as /class/input/input4
input: USB HID v1.10 Mouse [CHESEN PS2 to USB Converter] on usb-0000:00:1d.2-2
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
Using IPI Shortcut mode
BIOS EDD facility v0.16 2004-Jun-25, 6 devices found
Freeing unused kernel memory: 300k freed
ACPI: PCI Interrupt 0000:00:1b.0[A] -> Link [LNKG] -> GSI 15 (level, low) -> IRQ 15
hda-intel: unable to grab IRQ 15, disabling device
ACPI: PCI interrupt for device 0000:00:1b.0 disabled
HDA Intel: probe of 0000:00:1b.0 failed with error -16
phy0: Selected rate control algorithm 'pid'
phy0: hwaddr 00:15:af:3e:d3:5b, rtl8187 V1 + rtl8225z2
usbcore: registered new interface driver rtl8187
scsi 6:0:0:0: Direct-Access SanDisk U3 Titanium 2.18 PQ: 0 ANSI: 2
sd 6:0:0:0: [sda] 2006673 512-byte hardware sectors (1027 MB)
sd 6:0:0:0: [sda] Write Protect is off
sd 6:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 6:0:0:0: [sda] Assuming drive cache: write through
sd 6:0:0:0: [sda] 2006673 512-byte hardware sectors (1027 MB)
sd 6:0:0:0: [sda] Write Protect is off
sd 6:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 6:0:0:0: [sda] Assuming drive cache: write through
sda: sda1
sd 6:0:0:0: [sda] Attached SCSI removable disk
sd 6:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete
ohci1394: fw-host0: Set PHY Reg timeout [0xffffffff/0x00004000/100]
mtrr: type mismatch for fbc00000,200000 old: write-back new: write-combining
mtrr: type mismatch for fb800000,400000 old: write-back new: write-combining
mtrr: type mismatch for fb000000,800000 old: write-back new: write-combining
sky2 eth0: enabling interface
sky2 eth0: Link is up at 100 Mbps, full duplex, flow control both
md: stopping all md devices.
BUG: unable to handle kernel NULL pointer dereference at 00000004
IP: [<c030b110>] device_shutdown+0x39/0x4c
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: snd_mixer_oss snd_hda_intel snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore rtl8187 eeprom_93cx6
Pid: 1982, comm: reboot Not tainted (2.6.26 #8)
EIP: 0060:[<c030b110>] EFLAGS: 00010246 CPU: 0
EIP is at device_shutdown+0x39/0x4c
EAX: 00000000 EBX: ffffff90 ECX: 00000000 EDX: ffffff90
ESI: 28121969 EDI: b7fb2ff4 EBP: f7d0c000 ESP: f7d0de98
DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
Process reboot (pid: 1982, ti=f7d0c000 task=f3052740 task.ti=f7d0c000)
Stack: 00000000 c011e1bd c011e2ad 01234567 c011e3ec f7d0df14 f7d0df3c 0000002b
f28d552c c0149ba1 f28d55c8 c0150d11 ffffff9c ffffff9c 00000401 ffffff9c
f28d552c c0949308 00000001 f30528a4 f3052768 c0111cc7 c0111bc9 f30d6ac8
Call Trace:
[<c011e1bd>] kernel_restart_prepare+0x20/0x25
[<c011e2ad>] kernel_restart+0x8/0x2e
[<c011e3ec>] sys_reboot+0x112/0x14f
[<c0149ba1>] put_filp+0x14/0x31
[<c0150d11>] __path_lookup_intent_open+0x6a/0x72
[<c0111cc7>] dequeue_entity+0xf/0x8d
[<c0111bc9>] __dequeue_entity+0x1f/0x71
[<c0111c2c>] set_next_entity+0x11/0x38
[<c065eb56>] schedule+0x22e/0x24a
[<c01241d1>] hrtimer_cancel+0xa/0x14
[<c065f085>] do_nanosleep+0x4e/0x7b
[<c01244ba>] hrtimer_nanosleep+0x50/0xab
[<c012412a>] hrtimer_wakeup+0x0/0x18
[<c0124556>] sys_nanosleep+0x41/0x51
[<c01036f2>] syscall_call+0x7/0xb
=======================
Code: 74 eb 2b 8b 82 b4 00 00 00 85 c0 74 07 8b 48 20 85 c9 75 11 8b 82 b8 00 00 00 85 c0 74 0b 8b 48 18 85 c9 74 04 89 d0 ff d1 89 da <8b> 5b 74 83 eb 70 8d 42 70 3b 05 a4 bc 96 c0 75 c7 5b c3 55 89
EIP: [<c030b110>] device_shutdown+0x39/0x4c SS:ESP 0068:f7d0de98
---[ end trace e0383ca117e3155e ]---
md: stopping all md devices.
BUG: unable to handle kernel NULL pointer dereference at 00000004
IP: [<c030b110>] device_shutdown+0x39/0x4c
*pde = 00000000
Oops: 0000 [#2]
Modules linked in: snd_mixer_oss snd_hda_intel snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore rtl8187 eeprom_93cx6
Pid: 2007, comm: reboot Tainted: G D (2.6.26 #8)
EIP: 0060:[<c030b110>] EFLAGS: 00010246 CPU: 0
EIP is at device_shutdown+0x39/0x4c
EAX: 00000000 EBX: ffffff90 ECX: 00000000 EDX: ffffff90
ESI: 28121969 EDI: b7f2cff4 EBP: f7d22000 ESP: f7d23e98
DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
Process reboot (pid: 2007, ti=f7d22000 task=f30aeb60 task.ti=f7d22000)
Stack: 00000000 c011e1bd c011e2ad 01234567 c011e3ec f7d23f14 f7d23f3c 0000002b
f28d552c c0149ba1 f28d55c8 c0150d11 ffffff9c ffffff9c 00000401 ffffff9c
f28d552c c0949308 00000001 f30aecc4 f30aeb88 c0111cc7 c0111bc9 f30d6ac8
Call Trace:
[<c011e1bd>] kernel_restart_prepare+0x20/0x25
[<c011e2ad>] kernel_restart+0x8/0x2e
[<c011e3ec>] sys_reboot+0x112/0x14f
[<c0149ba1>] put_filp+0x14/0x31
[<c0150d11>] __path_lookup_intent_open+0x6a/0x72
[<c0111cc7>] dequeue_entity+0xf/0x8d
[<c0111bc9>] __dequeue_entity+0x1f/0x71
[<c0111c2c>] set_next_entity+0x11/0x38
[<c065eb56>] schedule+0x22e/0x24a
[<c01241d1>] hrtimer_cancel+0xa/0x14
[<c065f085>] do_nanosleep+0x4e/0x7b
[<c01244ba>] hrtimer_nanosleep+0x50/0xab
[<c012412a>] hrtimer_wakeup+0x0/0x18
[<c0124556>] sys_nanosleep+0x41/0x51
[<c01036f2>] syscall_call+0x7/0xb
=======================
Code: 74 eb 2b 8b 82 b4 00 00 00 85 c0 74 07 8b 48 20 85 c9 75 11 8b 82 b8 00 00 00 85 c0 74 0b 8b 48 18 85 c9 74 04 89 d0 ff d1 89 da <8b> 5b 74 83 eb 70 8d 42 70 3b 05 a4 bc 96 c0 75 c7 5b c3 55 89
EIP: [<c030b110>] device_shutdown+0x39/0x4c SS:ESP 0068:f7d23e98
---[ end trace e0383ca117e3155e ]---
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