Re: SMP deadlocks

From: Mike Jakubik <mikej_at_rogers.com>
Date: Mon, 23 Aug 2004 14:29:32 -0400 (EDT)
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.
Received on Mon Aug 23 2004 - 16:29:42 UTC

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