Date: Wed, 06 Apr 2005 14:40:03 -0400 From: Pierre-Luc Drouin <pldrouin@pldrouin.net> To: Nate Lawson <nate@root.org> Cc: Matthias Buelow <mkb@mkbuelow.net> Subject: Re: 5.4-prerelease - hanging under load Message-ID: <42542D03.7050007@pldrouin.net> In-Reply-To: <42542C6F.6010508@root.org> References: <200504040609.j3469g7b001419@drjekyll.mkbuelow.net> <425425BC.6080006@pldrouin.net> <42542C6F.6010508@root.org>
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Nate Lawson wrote: > 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. > I already have this
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