Date: Tue, 22 Aug 2006 13:08:59 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Boris Samorodov <bsam@ipt.ru> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-acpi@FreeBSD.org Subject: Re: Powerd makes computer hang Message-ID: <20060822090859.GO96644@cell.sick.ru> In-Reply-To: <94951745@bsam.ru> References: <f67067e80608192300g7474bc76nc1c87b523bd807ea@mail.gmail.com> <20060820110545.GG1066@turion.vk2pj.dyndns.org> <94951745@bsam.ru>
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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> 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> 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> B> > >Any Ideas? B> 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> 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. GLEBIUS-RIPN GLEB-RIPE
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