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Re: Shutdown problem on Tyan S2875 opteron SMP

On Fri, Sep 15, 2006 at 04:40:02PM -0400, Don Hayward wrote:
> On Sat, 16 Sep 2006, garrone wrote:
> >Shutdown problem on Tyan tiger s2875 dual opteron system.
> >
> >The command "shutdown -h" does not completely poweroff the system
> >for kernels 2.6.11, 2.6.12, and 2.6.16. However 2.6.8 does
> >turn off as it should!
> >
> Same board, same problem.  I've tried all the fixes suggested in the
> references without success.
> 2.8.15 did shut down.  I'm hoping 2.8.17 or 2.8.18 will work again.
> My bios is 3.02.
> Don
> --
> Don.Hayward at pomobuli.net

Just had a win on this, while attempting to get ACPI timers going
for mythtv.

If a value is written to /proc/acpi/alarm, then shutdown -h works!
This confirms my view that buggy bios firmware is the culprit.

On my system, I tried the command
echo "2006-10-02 15:40:00" > /proc/acpi/alarm

So it seems that the alarm must be set to a non-null value perhaps.
I havent seen if the kernel does anything different because of this
I am using bios 3.03. Its a bit of a wait till the 2.8 series kernels
though. -).

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