Aaron Konstam wrote: > I have been complaining for months that FC6 would not shutdown my > machine and cut off the power. I decided I had to solve this problem. > In the end it turned out to me very simple. > First to make sure the BIOS had ACPI enabled. > Then in checking the boot messages I noticed the acpi was being turned > off and the message said to use lacpi on the kernel boot line. When I > did the machine could shut off. lapic, perhaps? > So why did I not find this earlier. Well it is my fault but I still > don't know why FC6 shut off acpi in the first place. Any ideas out > there? Possibly your BIOS's ACPI implementation is blacklisted. Some motherboard manufacturers consider that a motherboard that boots Windows is "debugged" and any variation with published ACPI specs merely means that those specifications are inaccurate. Problematic systems include: /* Compaq Presario 1700 */ /* Sony FX120, FX140, FX150? */ /* Compaq Presario 800, Insyde BIOS */ /* IBM 600E - _ADR should return 7, but it returns 1 */ "ASUS P2B-S" http://gentoo-wiki.com/HOWTO_Fix_Common_ACPI_Problems gives other approaches to fixing ACPI bugs. Hope this helps, James. -- E-mail: james@ | Say it with flowers, send a triffid. aprilcottage.co.uk |