Date: Wed, 06 Apr 2005 11:37:35 -0700 From: Nate Lawson <nate@root.org> To: Pierre-Luc Drouin <pldrouin@pldrouin.net> Cc: Matthias Buelow <mkb@mkbuelow.net> Subject: Re: 5.4-prerelease - hanging under load Message-ID: <42542C6F.6010508@root.org> In-Reply-To: <425425BC.6080006@pldrouin.net> References: <200504040609.j3469g7b001419@drjekyll.mkbuelow.net> <425425BC.6080006@pldrouin.net>
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Pierre-Luc Drouin wrote: > Matthias Buelow wrote: > >> Nate Lawson <nate@root.org> writes: >> >> >> >>> sysctl dev.cpu and look at the current frequency setting. If low, >>> then your system is affected and will be fixed soon when I mfc. If >>> not, perhaps you have an interrupt storm (vmstat -i) >>> >> >> >> Just for the record. I ran vmstat -i in a loop while untarring the >> thunderbird source (causing degraded interactive responsiveness, as >> reported in an earlier mail), and couldn't see any noticable increase in >> interrupt rate. >> >> mkb. >> >> >> > I've noticed that the idle process is using sometimes as much as 60% of > my CPU. Could it be a relation between that and the lag we have with 5.4? That is different. sysctl hw.acpi.cpu.cx_lowest="C1" to see if that works around it. -- Nate
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