** Description changed: + SRU Justification: + + Impact: Kernel oops occurs whenever the LIRC daemon loads. + Fix: Apply patch to check for NULL pointer dereference (see comment #5) + Testcase: Confirm kernel oops occurs prior to patch being applied. Confirm kernel oops no longer occurs after patch applied. + When my system starts, I get an oops in dmesg, which appears to be related to the IR receiver in my TV tuner. This problem didn't happen in Lucid's 2.6.32 kernel. So far I haven't witnessed any harmful effects. It crashes whenever the LIRC daemon loads. To reproduce the error, I just have to reboot my system. My TV tuner is saa7134-based, and is called "MSI TVAnywhere Plus." ProblemType: KernelOops DistroRelease: Ubuntu 10.10 Package: linux-image-2.6.35-19-generic 2.6.35-19.25 Regression: Yes Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.35-19.25-generic 2.6.35.3 Uname: Linux 2.6.35-19-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Annotation: Your system might become unstable now and might need to be restarted. Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: brian 2916 F.... pulseaudio Card0.Amixer.info: Card hw:0 'CK804'/'NVidia CK804 with ALC850 at irq 22' Mixer name : 'Realtek ALC850 rev 0' Components : 'AC97a:414c4790' Controls : 42 Simple ctrls : 27 Card2.Amixer.info: Card hw:2 'SAA7134'/'saa7133[0] at 0xfdeff000 irq 16' Mixer name : 'SAA7134 Mixer' Components : '' Controls : 6 Simple ctrls : 3 Date: Thu Aug 26 07:45:26 2010 Failure: oops HibernationDevice: RESUME=UUID=61a5c693-e163-4e66-85f1-7b930d941f63 Lsusb: Bus 002 Device 004: ID 046d:c00e Logitech, Inc. M-BJ58/M-BJ69 Optical Wheel Mouse Bus 002 Device 003: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard Bus 002 Device 002: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Unknow Unknow ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-19-generic root=UUID=87050cee-e9c4-4381-8753-17615d08427b ro nouveau.tv_norm=NTSC-M nouveau.modeset=1 quiet RelatedPackageVersions: linux-firmware 1.38 SourcePackage: linux Title: BUG: unable to handle kernel NULL pointer dereference at (null) WpaSupplicantLog: dmi.bios.date: 11/14/2007 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: KN9 Series(NF-CK804) dmi.board.vendor: http://www.abit.com.tw/ dmi.board.version: 1.x dmi.chassis.type: 3 dmi.chassis.vendor: Unknow dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd11/14/2007:svnUnknow:pnUnknow:pvrUnknow:rvnhttp//www.abit.com.tw/:rnKN9Series(NF-CK804):rvr1.x:cvnUnknow:ct3:cvr: dmi.product.name: Unknow dmi.product.version: Unknow dmi.sys.vendor: Unknow
** Description changed: SRU Justification: Impact: Kernel oops occurs whenever the LIRC daemon loads. Fix: Apply patch to check for NULL pointer dereference (see comment #5) Testcase: Confirm kernel oops occurs prior to patch being applied. Confirm kernel oops no longer occurs after patch applied. + + ===== When my system starts, I get an oops in dmesg, which appears to be related to the IR receiver in my TV tuner. This problem didn't happen in Lucid's 2.6.32 kernel. So far I haven't witnessed any harmful effects. It crashes whenever the LIRC daemon loads. To reproduce the error, I just have to reboot my system. My TV tuner is saa7134-based, and is called "MSI TVAnywhere Plus." ProblemType: KernelOops DistroRelease: Ubuntu 10.10 Package: linux-image-2.6.35-19-generic 2.6.35-19.25 Regression: Yes Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.35-19.25-generic 2.6.35.3 Uname: Linux 2.6.35-19-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Annotation: Your system might become unstable now and might need to be restarted. Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: brian 2916 F.... pulseaudio Card0.Amixer.info: Card hw:0 'CK804'/'NVidia CK804 with ALC850 at irq 22' Mixer name : 'Realtek ALC850 rev 0' Components : 'AC97a:414c4790' Controls : 42 Simple ctrls : 27 Card2.Amixer.info: Card hw:2 'SAA7134'/'saa7133[0] at 0xfdeff000 irq 16' Mixer name : 'SAA7134 Mixer' Components : '' Controls : 6 Simple ctrls : 3 Date: Thu Aug 26 07:45:26 2010 Failure: oops HibernationDevice: RESUME=UUID=61a5c693-e163-4e66-85f1-7b930d941f63 Lsusb: Bus 002 Device 004: ID 046d:c00e Logitech, Inc. M-BJ58/M-BJ69 Optical Wheel Mouse Bus 002 Device 003: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard Bus 002 Device 002: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Unknow Unknow ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-19-generic root=UUID=87050cee-e9c4-4381-8753-17615d08427b ro nouveau.tv_norm=NTSC-M nouveau.modeset=1 quiet RelatedPackageVersions: linux-firmware 1.38 SourcePackage: linux Title: BUG: unable to handle kernel NULL pointer dereference at (null) WpaSupplicantLog: dmi.bios.date: 11/14/2007 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: KN9 Series(NF-CK804) dmi.board.vendor: http://www.abit.com.tw/ dmi.board.version: 1.x dmi.chassis.type: 3 dmi.chassis.vendor: Unknow dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd11/14/2007:svnUnknow:pnUnknow:pvrUnknow:rvnhttp//www.abit.com.tw/:rnKN9Series(NF-CK804):rvr1.x:cvnUnknow:ct3:cvr: dmi.product.name: Unknow dmi.product.version: Unknow dmi.sys.vendor: Unknow ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => Triaged -- BUG: unable to handle kernel NULL pointer dereference at (null) https://bugs.launchpad.net/bugs/624701 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs