Hi Phil, On Tue, 16 Nov 2004 23:06:02 -0500, Phil Schaffner <p.r.schaffner@xxxxxxxx> wrote: > Just changed my kernel line in grub.conf to > > kernel /vmlinuz-2.6.9-1.667 ro root=LABEL=/1 acpi=ht > > based on Comment #4 in BZ 139211 (don't care for "rhgb quiet"), > rebooted, then shut down to test -> SUCCESS! Actually powered down by > itself for the first time since sometime in FC3 test series. Posted a > comment in 132761 which is the master bug for this problem. > > Now, since my machine is a plain Athlon 1GHz, and not hyperthreaded, WHY > does this work? :-) Probably because a problem with acpi is causing it not to power off (at least that is the way it works) and "acpi=ht" turns off a lot of the acpi stuff apparently. For a non-hyperthreaded machine, I would guess that this is basically equivalent to "acpi=off" which also "fixes" the problem. Well, it actually only avoids the problem and is by no means a reasonable long-term solution. Though, it should be noted that this is basically just an annoyance; the system is shutdown properly, it just does not turn off the power supply automatically. > Phil Jonathan
