Thanks. I have no idea what the problem was. Just that Ubuntu said something
serious went wrong in the kernel and wanted to report a bug so I followed
the steps. There were no symptoms so I can't help to know if it was fixed.

2009/11/13 Pierre Faivre <email address hidden>

> I updated for the latest kernel and had no issue so far. But as I can't
> reproduce this bug, I can't affirm it worked.
>
> --
> WARNING: at
> /build/buildd/linux-2.6.31/fs/notify/inotify/inotify_fsnotify.c:129
> idr_callback+0x4f/0x80()
> https://bugs.launchpad.net/bugs/442966
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
>
> Status in “linux” package in Ubuntu: In Progress
>
> Bug description:
> Unsure what has happened.  I got this bug when booted up beta kubuntu 9.10.
>
> ProblemType: KernelOops
> Annotation: Your system might become unstable now and might need to be
> restarted.
> Architecture: i386
> AudioDevicesInUse:
>  USER        PID ACCESS COMMAND
>  /dev/snd/controlC0:  phoenixlink   8185 F.... pulseaudio
>                      phoenixlink   9583 F.... kmix
>  /dev/snd/controlC1:  phoenixlink   8185 F.... pulseaudio
>                      phoenixlink   9583 F.... kmix
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
>  Card hw:0 'NVidia'/'HDA NVidia at 0xfae78000 irq 21'
>   Mixer name   : 'Realtek ALC662 rev1'
>   Components   : 'HDA:10ec0662,18493662,00100101'
>   Controls      : 33
>   Simple ctrls  : 17
> Card1.Amixer.info:
>  Card hw:1 'Q9000'/'Logitech, Inc. QuickCam Pro 9000 at usb-0000:00:02.1-3,
> high speed'
>   Mixer name   : 'USB Mixer'
>   Components   : 'USB046d:0990'
>   Controls      : 2
>   Simple ctrls  : 1
> Card1.Amixer.values:
>  Simple mixer control 'Mic',0
>   Capabilities: cvolume cvolume-joined cswitch cswitch-joined
>   Capture channels: Mono
>   Limits: Capture 0 - 3072
>   Mono: Capture 3072 [100%] [18.00dB] [off]
> Date: Mon Oct  5 05:29:35 2009
> DistroRelease: Ubuntu 9.10
> Failure: oops
> HibernationDevice: RESUME=UUID=49686331-26fb-4cad-b801-3d5af4363eab
> IwConfig:
>  lo        no wireless extensions.
>
>  eth1      no wireless extensions.
>
>  vboxnet0  no wireless extensions.
> MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
> NonfreeKernelModules: nvidia
> Package: linux-image-2.6.31-11-generic 2.6.31-11.38
> ProcCmdLine: root=UUID=260c2e1a-26d3-4a86-bec2-effb2c4858af ro quiet splash
> ProcVersionSignature: Ubuntu 2.6.31-11.38-generic
> RelatedPackageVersions:
>  linux-backports-modules-2.6.31-11-generic N/A
>  linux-firmware 1.20
> RfKill:
>
> SourcePackage: linux
> Tags: kernel-oops
> Title: [174353.492058] ------------[ cut here ]------------
> Uname: Linux 2.6.31-11-generic i686
> WpaSupplicantLog:
>
> dmi.bios.date: 04/24/2009
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: P1.40
> dmi.board.name: K10N78M
> dmi.board.vendor: ASRock
> dmi.chassis.asset.tag: To Be Filled By O.E.M.
> dmi.chassis.type: 3
> dmi.chassis.vendor: To Be Filled By O.E.M.
> dmi.chassis.version: To Be Filled By O.E.M.
> dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd04/24/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnK10N78M:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
> dmi.product.name: To Be Filled By O.E.M.
> dmi.product.version: To Be Filled By O.E.M.
> dmi.sys.vendor: To Be Filled By O.E.M.
>