RE: acpi_power_off doesn't

From: Brown, Len
Date: Tue May 16 2006 - 02:38:19 EST

>>> Sometimes when I run 'halt' my PC does not go off. Last
>>> words are
>>> acpi_power_off called
>>> But the PC stays on.
>>> What is the story here? I've seen this problem come up
>>> several times, but without solution, as it seems. Any
>>> hint would be very helpfull.
>> Does this happen all the time, or just some of the time?
>> Has this always failed on box X, or did it used to
>> work in some release Y, and broke in some release Z?
>> Please supply X, Y, Z.

>The problem does not exist, if I boot my PC and then
>halt it immediately. If I login and use it for some
>time, then acpi_power_off does not work.
>Box 'X' is an Aopen MZ-915M, CPU is a 2 GHz Pentium
>M. It is running Debian Sid, kernel is vanilla
>Linux bugs 2.6.17-rc4 #1 PREEMPT Sat May 13 16:22:54 CEST 2006
>i686 GNU/Linux
>Old kernels don't work on this PC due to missing
>hardware support. The first vanilla kernel that worked
>reliably on this box (except for acpi_power_off) was 2.6.16.

If you append a "3" to the cmdline and boot without a GUI,
does the system still halt properly (even after you log in
and use it for a while)? There may be some interaction
between X and the video hardware and system shutdown.

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