On Monday 22 August 2005 04:44 am, Keith Powell wrote: > Thanks, Anne. > > I too have had the problem of 2005LE not switching off the machine. > > Adding acpi=on has cured it. I had already tried all the "possible" > cures! > > Of all the distros I have tried, Mandriva2005LE is the only one which > wouldn't switch the computer off.
I just want to throw out this small caveat for those trying this. ACPI has found its way into a lot of things including IRQ assignments among others. Forcing ACPI to be fully implemented in software when your hardware may be non-standard could cause some severe problems. If Mandriva is not turning it on, could be because the detection routine is picking up on some type of non-standard implementation and it defaults to safe choices. If it works, hey, great. However, being slightly more conservative, I might choose to default to trying out APM rather than ACPI in this particular case. At the very least, you should try out all of your hardware and keep a watch on any intermittent problems that might lead you to suspect some type of hardware issue. Especially any kernel panics, even if they don't seem to occur frequently or be related. I can think of several instances where I had major issues with ACPI daemons on an earlier motherboard that seemed to have a less than standard implementation of it.
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