Powerd makes computer hang
glebius at FreeBSD.org
Tue Aug 22 09:09:03 UTC 2006
On Sun, Aug 20, 2006 at 05:57:02PM +0400, Boris Samorodov wrote:
B> On Sun, 20 Aug 2006 21:05:45 +1000 Peter Jeremy wrote:
B> > On Sun, 2006-Aug-20 16:00:33 +1000, Tim Dettloff wrote:
B> > >I have installed FreeBSD 6.1-RELEASE on my Compaq Presario 2656AU
B> > >laptop, but it occasionally hangs. I traced the problem to powerd so I
B> > >made a script that kept changing the clock rate by setting the sysctl
B> > >dev.cpu.0.freq. This script normally makes the computer hang within 10
B> > >seconds or so.
B> > Sam Leffler noticed this on his nx6125 last December and I also
B> > found the same problem on my nx6125 in early February. It looks
B> > like there's a race condition in the BIOS code.
B> > >Any Ideas?
B> > My current solution is to manually change the speed using sysctl.
B> > This doesn't seem to trigger the problem quite as often (though your
B> > laptop seems far more sensitive than mine). I would also be interested
B> > in any real solutions.
B> Glebius@ (CCed) sent me a patch against 6-STABLE which solves the
B> problem. However, I don't know if the patch was committed.
If that was a patch that was required for merging the em(4) changes,
then the answer is "yes". It was merged to STABLE.
Totus tuus, Glebius.
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