On Wed, 2005-03-02 at 13:24 +0100, COCHARD Yves wrote: > > > > > >>Hi all > >>I realise this is not the place to ask such a question but rather than > >>subscribing to yet another forum I ask first just in case. > >>I have demudi working now, all except it turning the machine off. It > >>goes to shut down the last line on the screen is Power Down but then it > >>just sits there. I have to physically turn it off. > >>any ideas? > >> > >> > > > >I'm experiencing the exact same thing with Mandrake's "multimedia" > >kernels. I haven't been bothered enough by it to try and fix it, but if > >you find an easy fix, please let me know. =) > > > > > > > > Hi, I could fix this stuff by adding "apm=off acpi=force" in my > grub.conf file. (someting like that: "kernel > /vmlinuz-2.6.10-2.1.ll.rhfc3.ccrma ro root=LABEL=/1 rhgb quiet apm=off > acpi=force") > This works for me but I know that it didn't for some others. Hmm.. now > that I know that it could cost some latency ms, I might not use that > anymore... > I believe the big ACPI latency bug was fixed in 2.6.10. So that kernel should not be affected. Of course if your hardware has a buggy ACPI implementation you will have latency problems regardless of the OS or kernel you use, and whether ACPI is enabled. This is a separate issue. It looks like Acer laptops are particularly bad, they all seem to suffer from the ACPI/SMM issue. Lee
