Well, I may try to update my BIOS, but the problem has disappeared anyway,
I am now  using 12.04 beta2

paulo Vilela

2012/3/31 Christopher M. Penalver <email address hidden>

> pvilela, 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. As per
> http://support.acer.com/product/default.aspx?modelId=1007 your BIOS is
> outdated. if you update your BIOS, does this issue continue? If so, 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
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/631196
>
> Title:
>  WARNING: at /build/buildd/linux-2.6.35/arch/x86/kernel/check.c:134
>   check_for_bios_corruption 0xcb/0xe0()
>
> Status in “linux” package in Ubuntu:
>   Incomplete
>
> Bug description:
>  s
>
>  ProblemType: KernelOops
>  DistroRelease: Ubuntu 10.10
>  Package: linux-image-2.6.35-19-generic 2.6.35-19.28
>  Regression: Yes
>  Reproducible: No
>  ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
>  Uname: Linux 2.6.35-19-generic i686
>  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: i386
>  ArecordDevices:
>   **** List of CAPTURE Hardware Devices ****
>   card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 Analog]
>     Subdevices: 1/1
>     Subdevice #0: subdevice #0
>  AudioDevicesInUse:
>   USER        PID ACCESS COMMAND
>   /dev/snd/controlC0:  pvilela    1684 F.... pulseaudio
>  CRDA: Error: [Errno 2] Ficheiro ou directoria inexistente
>  Card0.Amixer.info:
>   Card hw:0 'NVidia'/'HDA NVidia at 0xf0980000 irq 17'
>     Mixer name : 'Nvidia MCP79/7A HDMI'
>     Components : 'HDA:10ec0888,10250160,00100202
> HDA:10de0007,10de0101,00100100'
>     Controls      : 27
>     Simple ctrls  : 14
>  Date: Sun Sep  5 22:57:36 2010
>  Failure: oops
>  Frequency: I don't know.
>  HibernationDevice: RESUME=UUID=0cb6b30b-7527-42c5-bf6f-c0f28a450418
>  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate i386
> (20100419.1)
>  MachineType: Acer Aspire 5737Z
>  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-19-generic
> root=UUID=36a36996-f9a4-4b0e-8505-98a32660a698 ro quiet splash
>  RelatedPackageVersions: linux-firmware 1.38
>  RfKill:
>   0: phy0: Wireless LAN
>        Soft blocked: no
>        Hard blocked: no
>  SourcePackage: linux
>  Title: WARNING: at /build/buildd/linux-2.6.35/arch/x86/kernel/check.c:134
> check_for_bios_corruption+0xcb/0xe0()
>  dmi.bios.date: 02/23/2009
>  dmi.bios.vendor: Acer
>  dmi.bios.version: V1.06
>  dmi.board.name: KALA0
>  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:bvrV1.06:bd02/23/2009:svnAcer:pnAspire5737Z:pvrV1.06:rvnAcer:rnKALA0:rvrN/A:cvnAcer:ct10:cvrN/A:
>  dmi.product.name: Aspire 5737Z
>  dmi.product.version: V1.06
>  dmi.sys.vendor: Acer
>
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>