Hang with powerd/powernow with SMP enabled

Michael Nottebrock lofi at freebsd.org
Fri Jul 27 22:51:20 UTC 2007


Uwe Laverenz schrieb:
> On Fri, Jul 27, 2007 at 05:27:45PM +0200, Michael Nottebrock wrote:
>
>   
>> The machine will freeze hard a few seconds after powerd is started up by
>> the rc script. With kern.smp.disabled=1, everything seems to work fine.
>> This is with today's 6-STABLE/i386. I see that a fix for that sort of
>> thing was only recently MFC'd, unfortunately I cannot say whether the
>> problem was already there before it went in - the box is brand new.
>>     
>
> I have the same problem with a dual Opteron (RELENG_6_2, i386 and amd64),
> in my case the following workaround helped:
>
>    from "/boot/loader.conf":
>
>    hint.acpi_throttle.0.disabled="1"
>   
Thanks! Unfortunately it does not help here - but with that, it takes a
few seconds longer for the freeze to occur.

Cheers,
-- 
   ,_,   | Michael Nottebrock               | lofi at freebsd.org
 (/^ ^\) | FreeBSD - The Power to Serve     | http://www.freebsd.org
   \u/   | K Desktop Environment on FreeBSD | http://freebsd.kde.org


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