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Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at (null); EIP is at vhba_ctl_read+0x16e/0x230 [vhba]

Bug #749593 reported by Mattginn67 on 2011-04-03

This bug report is a duplicate of: Bug #775138: Kernel Oops - unable to handle kernel paging request; EIP is at vhba_ctl_read+0x1fe/0x2e0 [vhba]. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	cdemu	Triaged	Undecided	CDEmu
	linux (Ubuntu)	Invalid	Undecided	Unassigned

Bug Description

Not known

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-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: matt 1504 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'ICH7'/'Intel ICH7 with AD1981B at irq 23'
   Mixer name : 'Analog Devices AD1981B'
   Components : 'AC97a:41445374'
   Controls : 28
   Simple ctrls : 20
Date: Sun Apr 3 19:26:00 2011
Failure: oops
Frequency: I don't know.
HibernationDevice: RESUME=UUID=c643f8f6-23c6-4de3-9fda-bcd325364337
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
IwConfig:
lo no wireless extensions.

eth0 no wireless extensions.
MachineType: Dell Inc. OptiPlex GX520
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=d5dff978-306b-4aa8-97aa-8dbc99e9412a ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-7-generic N/A
linux-backports-modules-2.6.38-7-generic N/A
linux-firmware 1.49
RfKill:

SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at (null)
UpgradeStatus: Upgraded to natty on 2011-04-03 (0 days ago)
dmi.bios.date: 08/05/2005
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0C8810
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 15
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd08/05/2005:svnDellInc.:pnOptiPlexGX520:pvr:rvnDellInc.:rn0C8810:rvr:cvnDellInc.:ct15:cvr:
dmi.product.name: OptiPlex GX520
dmi.sys.vendor: Dell Inc.

Tags:

Revision history for this message

Mattginn67 (mattginn67) wrote on 2011-04-03:

AcpiTables.txt Edit (80.2 KiB, text/plain; charset="utf-8")
AlsaDevices.txt Edit (589 bytes, text/plain; charset="utf-8")
AplayDevices.txt Edit (275 bytes, text/plain; charset="utf-8")
ArecordDevices.txt Edit (526 bytes, text/plain; charset="utf-8")
BootDmesg.txt Edit (52.7 KiB, text/plain; charset="utf-8")
Card0.Amixer.values.txt Edit (4.3 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec97.0.ac97.0.0.txt Edit (664 bytes, text/plain; charset="utf-8")
Card0.Codecs.codec97.0.ac97.0.0.regs.txt Edit (767 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (2.8 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (1.9 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (20.8 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (447 bytes, text/plain; charset="utf-8")
OopsText.txt Edit (1.8 KiB, text/plain; charset="utf-8")
PciMultimedia.txt Edit (885 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (693 bytes, text/plain; charset="utf-8")
ProcCpuinfo_.txt Edit (693 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (1.3 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (64.3 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (196.1 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (313.7 KiB, text/plain; charset="utf-8")

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

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

Brian Murray (brian-murray) on 2011-06-29

tags:

added: vhba

Brian Murray (brian-murray) on 2011-07-14

tags:

added: kernel-driver-vhba

penalvch (penalvch) on 2012-03-31

summary:

- BUG: unable to handle kernel NULL pointer dereference at (null)
+ Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at
+ (null); EIP is at vhba_ctl_read+0x16e/0x230 [vhba]

Revision history for this message

penalvch (penalvch) wrote on 2012-03-31:

Mattginn67, 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 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.

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

Henrik S. (henrik-hw0) on 2012-04-08

Changed in cdemu:
status:	New → Triaged
Changed in linux (Ubuntu):
status:	Incomplete → Invalid
Changed in cdemu:
assignee:	nobody → CDEmu (cdemu)

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