Date: Sun, 20 Aug 2006 22:50:32 -0700 From: Nate Lawson <nate@root.org> To: Boris Samorodov <bsam@ipt.ru> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-acpi@freebsd.org, Gleb Smirnov <glebius@freebsd.org> Subject: Re: Powerd makes computer hang Message-ID: <44E949A8.2010307@root.org> In-Reply-To: <94951745@bsam.ru> References: <f67067e80608192300g7474bc76nc1c87b523bd807ea@mail.gmail.com> <20060820110545.GG1066@turion.vk2pj.dyndns.org> <94951745@bsam.ru>
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Boris Samorodov wrote: > On Sun, 20 Aug 2006 21:05:45 +1000 Peter Jeremy wrote: >> On Sun, 2006-Aug-20 16:00:33 +1000, Tim Dettloff wrote: > >>> I have installed FreeBSD 6.1-RELEASE on my Compaq Presario 2656AU >>> laptop, but it occasionally hangs. I traced the problem to powerd so I >>> made a script that kept changing the clock rate by setting the sysctl >>> dev.cpu.0.freq. This script normally makes the computer hang within 10 >>> seconds or so. > >> Sam Leffler noticed this on his nx6125 last December and I also >> found the same problem on my nx6125 in early February. It looks >> like there's a race condition in the BIOS code. > >>> Any Ideas? > >> My current solution is to manually change the speed using sysctl. >> This doesn't seem to trigger the problem quite as often (though your >> laptop seems far more sensitive than mine). I would also be interested >> in any real solutions. > > Glebius@ (CCed) sent me a patch against 6-STABLE which solves the > problem. However, I don't know if the patch was committed. > > > WBR Um, could you post it to the list? -- Nate
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