Date: Mon, 23 Aug 2004 14:29:32 -0400 (EDT) From: "Mike Jakubik" <mikej@rogers.com> To: "Julian Elischer" <julian@elischer.org> Cc: freebsd-current@freebsd.org Subject: Re: SMP deadlocks Message-ID: <1599.66.11.183.182.1093285772.squirrel@66.11.183.182> In-Reply-To: <412A3590.4030003@elischer.org> References: <1569.66.11.183.182.1093284444.squirrel@66.11.183.182> <412A3590.4030003@elischer.org>
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Julian Elischer said: > have you the published IPI patch? > have you preemption defined? No, i have not tried the patch yet, everything seems fine when debugging is in the kernel. Weather preemption is defined im not sure, where is this set? The machine is a supermicro server 6023P-8R, dual xeon, 2GB ram. I have tried with and without hyperthreading, doesnt seem to make a difference. > Mike Jakubik wrote: > >>I am also experiencing SMP related deadlocks when doing parallel compiles >>and make -j#. I am running RELENG_5, cvsuped a few hours ago. The >>interesting thing is that i can only reproduce the system freeze when i >> do >>not have any debugging enabled in the kernel. With the GENERIC debugger >>stuff in the kernel, it does not freeze. This is a real show stopper for >>5.3.
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