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Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x20

Bug #760300 reported by Juan Montoya on 2011-04-13

This bug report is a duplicate of: Bug #922906: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Confirmed	Medium	Unassigned

Bug Description

I requested to remove an usb drive, then this happened.

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: juan 1594 F.... pulseaudio
CRDA: Error: [Errno 2] No existe el fichero o el directorio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfeaf8000 irq 44'
   Mixer name : 'Realtek ALC888'
   Components : 'HDA:80862803,80860101,00100000 HDA:10ec0888,105b0dc0,00100202'
   Controls : 36
   Simple ctrls : 19
Date: Wed Apr 13 17:08:41 2011
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=9cdab61f-c6d0-4567-8fcb-5ad838c404cf
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110330)
IwConfig:
lo no wireless extensions.

eth0 no wireless extensions.
MachineType: O.E.M O.E.M
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=78f9a31d-7fc0-4f3d-b8c1-affcbba23533 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-8-generic N/A
linux-backports-modules-2.6.38-8-generic N/A
linux-firmware 1.50
RfKill:

SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 0000009c
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/14/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080015
dmi.board.name: G41M/G41M-S/G41M-V
dmi.board.vendor: FOXCONN
dmi.board.version: 1.0
dmi.chassis.type: 3
dmi.chassis.vendor: O.E.M
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080015:bd08/14/2009:svnO.E.M:pnO.E.M:pvr:rvnFOXCONN:rnG41M/G41M-S/G41M-V:rvr1.0:cvnO.E.M:ct3:cvr:
dmi.product.name: O.E.M
dmi.sys.vendor: O.E.M

Tags:

Revision history for this message

Juan Montoya (th3pr0ph3t) wrote on 2011-04-13:

AcpiTables.txt Edit (174.1 KiB, text/plain; charset="utf-8")
AlsaDevices.txt Edit (644 bytes, text/plain; charset="utf-8")
AplayDevices.txt Edit (373 bytes, text/plain; charset="utf-8")
ArecordDevices.txt Edit (270 bytes, text/plain; charset="utf-8")
BootDmesg.txt Edit (45.2 KiB, text/plain; charset="utf-8")
Card0.Amixer.values.txt Edit (3.8 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec.1.txt Edit (1.3 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec.2.txt Edit (15.3 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (6.7 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (1.9 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (19.9 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (588 bytes, text/plain; charset="utf-8")
OopsText.txt Edit (2.1 KiB, 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")
ProcInterrupts.txt Edit (1.6 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (2.4 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (115.4 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (231.2 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (7.2 KiB, text/plain; charset="utf-8")

Brad Figg (brad-figg) on 2011-05-04

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

Revision history for this message

penalvch (penalvch) wrote on 2012-04-07:

Th3Pr0ph3t, 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:	- BUG: unable to handle kernel NULL pointer dereference at 0000009c + Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at + 0000009c; EIP is at __ticket_spin_lock+0x8/0x20
Changed in linux (Ubuntu):
status:	Confirmed → Incomplete