I have the same problem.
wouter@wouter-desktop:~$ uname -a
Linux wouter-desktop 2.6.32-22-generic #35-Ubuntu SMP Tue Jun 1 14:17:36 UTC 2010 i686 GNU/Linux
For what it's worth - here are the messages from my syslog just as it happened:
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042961] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/hwvalid-154)
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042983] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/evregion-424)
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042999] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.043064] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/evgpe-568)
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055943] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/hwvalid-154)
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055960] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/evregion-424)
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055976] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.056490] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/evgpe-568)
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048904] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/hwvalid-154)
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048926] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/evregion-424)
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048941] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.049005] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/evgpe-568)
Jun 3 17:10:20 wouter-desktop kernel: [ 2102.558143] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation -12!
I have the same problem. wouter- desktop: ~$ uname -a
wouter@
Linux wouter-desktop 2.6.32-22-generic #35-Ubuntu SMP Tue Jun 1 14:17:36 UTC 2010 i686 GNU/Linux
For what it's worth - here are the messages from my syslog just as it happened:
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042961] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/ hwvalid- 154) evregion- 424) evgpe-568) hwvalid- 154) evregion- 424) evgpe-568) hwvalid- 154) evregion- 424) evgpe-568) cs_ioctl] *ERROR* Failed to parse relocation -12!
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042983] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.042999] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.043064] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055943] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055960] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.055976] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:11 wouter-desktop kernel: [ 2093.056490] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048904] ACPI Error: Illegal I/O port address/length above 64K: 0x00400020/4 (20090903/
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048926] ACPI Exception: AE_LIMIT, Returned by Handler for [SystemIO] (20090903/
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.048941] ACPI Error (psparse-0537): Method parse/execution failed [\_GPE._L09] (Node f7010d98), AE_LIMIT
Jun 3 17:10:19 wouter-desktop kernel: [ 2101.049005] ACPI Exception: AE_LIMIT, while evaluating GPE method [_L09] (20090903/
Jun 3 17:10:20 wouter-desktop kernel: [ 2102.558143] [drm:radeon_