Public bug reported:
There is a NULL pointer dereference when running the v4l-test SVN r47
available from http://v4l-test.sourceforge.net .
The problem happens on Acer Aspire 5310 series, Model JDW50. The laptop is
equipped with the following webcam:
Bus 001 Device 002: ID 064e:a101 Suyin Corp. Acer CrystalEye Webcam
The problem happens when the following test case is executed:
Test: VIDIOC_G_EXT_CTRLS with zero items to get, but with invalid count
values ... Killed
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 2942 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd0440000 irq 22'
Mixer name : 'Realtek ALC268'
Components : 'HDA:10ec0268,1025012e,00100003
HDA:14f12c06,1025012e,00100000'
Controls : 11
Simple ctrls : 8
Date: Sun Dec 6 17:57:45 2009
DistroRelease: Ubuntu 9.10
Failure: oops
LiveMediaBuild: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Acer Aspire 5310
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/hostname.seed
boot=casper initrd=/casper/initrd.lz quiet splash --
debian-installer/language=hu console-setup/layoutcode?=hu
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-14-generic N/A
linux-firmware 1.24
SourcePackage: linux
Tags: kernel-oops
Title: BUG: unable to handle kernel NULL pointer dereference at 00000010
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 07/17/2007
dmi.bios.vendor: Acer
dmi.bios.version: V1.50
dmi.board.name: Acadia
dmi.board.vendor: Acer
dmi.board.version: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAcer:bvrV1.50:bd07/17/2007:svnAcer:pnAspire5310:pvrV1.50:rvnAcer:rnAcadia:rvrN/A:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5310
dmi.product.version: V1.50
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-kerneloops i386 kernel-oops
--
uvcvideo: BUG: unable to handle kernel NULL pointer dereference
https://bugs.launchpad.net/bugs/493246
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