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

From: K.R. Foley
Date: Fri Sep 03 2004 - 13:53:56 EST


Ingo Molnar wrote:
* 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

Not currently but I am enabling now.

kr
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