Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R0

[Ingo Molnar]

* K.R. Foley <kr@xxxxxxxxxx> wrote:

> Managed to hang the system again under heavy load. This time with the 
> above patch:
> 
> http://www.cybsft.com/testresults/crashes/2.6.9-rc1-bk4-R0.txt

do you have CONFIG_DEBUG_SPINLOCK and CONFIG_DEBUG_SPINLOCK_SLEEP
enabled? These are pretty good at e.g. catching illegal scheduling in
critical sections much earlier. You can enable them on !SMP kernels as
well.

	Ingo

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