On 10 Jul, Alex Zepeda wrote:
> On Wed, Jul 10, 2002 at 02:43:54AM -0700, Don Lewis wrote:
>> I haven't had any instability problems in a while on my UP box.
> Seems like the UP kernels are more unstable for me.  Go figure.
>> > ../../../vm/uma_core.c:1332: could sleep with "process lock" locked from 
>> I haven't seen that one.  If you can reproduce it, you might try setting
>> the debug.witness_ddb sysctl to 1 and get a stack trace from ddb.
> This happened just before the box fell over (I'm now running a different 
> kernel.. SMP.. so far so good).  What's the downside to sticking 
> debug.witness_ddb=1 in /etc/sysctl.conf?

It'll drop into ddb every time you get a witness error and you'll have
to tell ddb to continue.  This could be a might annoying if you are
getting errors ever ten seconds ...

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