spin lock panic in 5.2-REL
Peter_Losher at isc.org
Wed Jan 28 18:21:30 PST 2004
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On Wednesday 28 January 2004 09:43 am, John Baldwin wrote:
> > Yes, I was running a kernel for a short while w/ INVARIANTS and
> > WITNESS, but it was basically useless after a couple of hours under
> > load under the giant lock. How much of a performance hit is just
> > WITNESS?
> A lot. I think Robert Watson has seen as high a performance impact as
Oh joy - that's a non-starter... :(
And it just happened again:
spin lock sched lock held by 0x8d2f7a00 for > 5 seconds
panic: spin lock held too long
cpuid = 4;
Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
If there is anything else I can provide that doesn't make the system slow
as molassess to help debug, I am all ears.
Best Wishes - Peter
Peter_Losher at isc.org | ISC | OpenPGP Key E8048D08 | "The bits must flow"
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