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[Flavio Capobianco <elflavius@xxxxxxxxx>]

This bug may be related to #373669.

** Description changed:

  Binary package hint: xserver-xorg-video-ati
  
  When I'm doing a demanding CPU activity (ripping a CD, doing OCR, etc),
- the computer reboots itself and I get to glimpse a "Caught signal 15,
- shutting down".
+ the computer shuts itself down due to overheating (more than 99 C).
+ 
+ I've tried running sudo sensors-detect but no modules were loaded.
+ 
+ I've also tried booting with option "acpi.power_nocheck", but to no use.
+ 
+ I've also tried adding options radeon modeset=1 to /etc/modprobe.d
+ /radeon-kms.conf.
+ 
+ Lastly, I updated my BIOS from the vendor's webpage, but it didn't help
+ either.
  
  This only happens while I'm on the open-source ATI drivers. When I tried
  the proprietary fglrx drivers, I wasn't able to reproduce it.
+ 
+ Maybe related to: https://bugs.launchpad.net/ubuntu/+source/xserver-
+ xorg-video-ati/+bug/373669
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu5
  ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-23-generic i686
  Architecture: i386
  Date: Wed Jun 16 21:03:26 2010
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  MachineType: Acer Aspire 5542
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-23-generic root=UUID=261f9489-5351-4e83-94f0-d5aa3a52907b ro quiet splash
  ProcEnviron:
   LC_TIME=en_GB.UTF-8
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: xserver-xorg-video-ati
  dmi.bios.date: 12/09/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.08
  dmi.board.name: JV50TR
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.08:bd12/09/2009:svnAcer:pnAspire5542:pvr0100:rvnAcer:rnJV50TR:rvrRev:cvnAcer:ct10:cvrNone:
  dmi.product.name: Aspire 5542
  dmi.product.version: 0100
  dmi.sys.vendor: Acer
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       i686
   kernel:             2.6.32-23-generic

** Description changed:

  Binary package hint: xserver-xorg-video-ati
  
  When I'm doing a demanding CPU activity (ripping a CD, doing OCR, etc),
  the computer shuts itself down due to overheating (more than 99 C).
  
  I've tried running sudo sensors-detect but no modules were loaded.
  
  I've also tried booting with option "acpi.power_nocheck", but to no use.
  
  I've also tried adding options radeon modeset=1 to /etc/modprobe.d
  /radeon-kms.conf.
  
  Lastly, I updated my BIOS from the vendor's webpage, but it didn't help
  either.
  
  This only happens while I'm on the open-source ATI drivers. When I tried
  the proprietary fglrx drivers, I wasn't able to reproduce it.
  
- Maybe related to: https://bugs.launchpad.net/ubuntu/+source/xserver-
- xorg-video-ati/+bug/373669
+ See also: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
+ ati/+bug/373669
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu5
  ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-23-generic i686
  Architecture: i386
  Date: Wed Jun 16 21:03:26 2010
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  MachineType: Acer Aspire 5542
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-23-generic root=UUID=261f9489-5351-4e83-94f0-d5aa3a52907b ro quiet splash
  ProcEnviron:
   LC_TIME=en_GB.UTF-8
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: xserver-xorg-video-ati
  dmi.bios.date: 12/09/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.08
  dmi.board.name: JV50TR
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.08:bd12/09/2009:svnAcer:pnAspire5542:pvr0100:rvnAcer:rnJV50TR:rvrRev:cvnAcer:ct10:cvrNone:
  dmi.product.name: Aspire 5542
  dmi.product.version: 0100
  dmi.sys.vendor: Acer
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       i686
   kernel:             2.6.32-23-generic

** Summary changed:

- Computer shuts down on heavy CPU usage: I get a caught signal 15, shutting down
+ Computer shuts down on heavy CPU usage due to overheating

-- 
Computer shuts down on heavy CPU usage: I get a caught signal 15, shutting down
https://bugs.launchpad.net/bugs/595335
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