Linux ACPI Issues

If you should ever get into problems with Linux ACPI, these kernel parameters might help you for a quick fix.

• hpet=disable
  
• nohz=off
  
• acpi=noirq
• acpi=ht
• pci=noacpi
• pnpacpi=off
• noapic
• nolapic
  
• acpi=off
• disable_8254_timer
• acpi_os_name="Microsoft Windows" # Linux claims to be Win 98
• combined_mode=libata # helped me with standby resume problems in Ubuntu

Also check out this ACPI debug page. And if the problem isn't already known, make sure to file a bug report.