Ubuntu
linux package

Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000000000000020; RIP: 0010:[<ffffffff8124cf95>] [<ffffffff8124cf95>] ecryptfs_flush+0x15/0x30

Bug #691007 reported by Gytis Raciukaitis on 2010-12-16

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Expired	Undecided	Unassigned

Bug Description

With the recent natty kernel upgrade the ecryptfs started crashing.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.37-9-generic 2.6.37-9.23
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.37-9.23-generic 2.6.37-rc5
Uname: Linux 2.6.37-9-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: noxxious 3015 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc220000 irq 48'
   Mixer name : 'Conexant CX20561 (Hermosa)'
   Components : 'HDA:14f15051,17aa2100,00100000 HDA:14f12c06,17aa2122,00100000'
   Controls : 17
   Simple ctrls : 9
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7VHT16WW-1.06'
   Mixer name : 'ThinkPad EC 7VHT16WW-1.06'
   Components : ''
   Controls : 1
   Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [off]
Date: Thu Dec 16 11:19:22 2010
Frequency: Once a day.
HibernationDevice: RESUME=UUID=b0315ca8-2acc-45e3-a133-9ae2ecbd3ade
MachineType: LENOVO 4061BL5
PccardctlIdent:
Socket 0:
   no product info available
PccardctlStatus:
Socket 0:
   no card
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.37-9-generic root=/dev/mapper/vg_system-lv_root ro quiet splash
RelatedPackageVersions: linux-firmware 1.42
SourcePackage: linux
dmi.bios.date: 08/04/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6FET85WW (3.15 )
dmi.board.name: 4061BL5
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6FET85WW(3.15):bd08/04/2010:svnLENOVO:pn4061BL5:pvrThinkPadW500:rvnLENOVO:rn4061BL5:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4061BL5
dmi.product.version: ThinkPad W500
dmi.sys.vendor: LENOVO

Tags:

Revision history for this message

Gytis Raciukaitis (noxxious) wrote on 2010-12-16:

linux-image-2.6.37-9-generic.228268.crash Edit (3.2 KiB, text/plain)
AcpiTables.txt Edit (335.3 KiB, text/plain; charset="utf-8")
AlsaDevices.txt Edit (587 bytes, text/plain; charset="utf-8")
AplayDevices.txt Edit (281 bytes, text/plain; charset="utf-8")
BootDmesg.txt Edit (70.2 KiB, text/plain; charset="utf-8")
Card0.Amixer.values.txt Edit (1.9 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec.0.txt Edit (6.7 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec.1.txt Edit (160 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (9.9 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (1.8 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (600 bytes, text/plain; charset="utf-8")
Lspci.txt Edit (35.9 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (660 bytes, text/plain; charset="utf-8")
PciMultimedia.txt Edit (2.3 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (1.5 KiB, text/plain; charset="utf-8")
ProcCpuinfo_.txt Edit (1.5 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (116 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.0 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (5.5 KiB, text/plain; charset="utf-8")
RfKill.txt Edit (182 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (135.8 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (297.9 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (444.3 KiB, text/plain; charset="utf-8")

Brian Murray (brian-murray) on 2010-12-16

tags:

added: regression-release
removed: regression-update

Brad Figg (brad-figg) on 2011-04-07

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

penalvch (penalvch) wrote on 2012-04-08:

Gytis Raciukaitis, thank you for reporting this bug and helping make Ubuntu better. This bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? Can you try with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ .

If it remains an issue, could you run the following command in the development release from a Terminal (Applications->Accessories->Terminal). It will automatically gather and attach updated debug information to this report.

apport-collect -p linux <replace-with-bug-number>

Also, if you could test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. Please let us know your results.

Thanks in advance.

summary:	- Crash in ecryptfs_flush + Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at + 0000000000000020; RIP: 0010:[<ffffffff8124cf95>] [<ffffffff8124cf95>] + ecryptfs_flush+0x15/0x30
Changed in linux (Ubuntu):
status:	Confirmed → Incomplete

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-06-08:

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

Changed in linux (Ubuntu):
status:	Incomplete → Expired

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Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000000000000020; RIP: 0010:[<ffffffff8124cf95>] [<ffffffff8124cf95>] ecryptfs_flush+0x15/0x30

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