Re: Latest intr problems

From: Doug Barton <dougb_at_FreeBSD.org>
Date: Sat, 21 Aug 2010 12:25:17 -0700
On 08/21/2010 02:35, Andriy Gapon wrote:
> BTW, if you run procstat -k 11 a few times during the condition, does TID 100006
> typically have or not have "lock_mtx softclock" substring in its stack?

Not. I ran 'procstat -k 11 | grep 100006' about 20 times, and all but 
one looked like this:

11 100006 intr             swi4: clock      mi_switch ithread_loop 
fork_exit  fork_trampoline

The one that didn't looked like this:

11 100006 intr             swi4: clock      mi_switch turnstile_wait 
_mtx_lock_sleep _mtx_lock_flags lock_mtx softclock 
intr_event_execute_handlers ithread_loop fork_exit fork_trampoline

It just ran away again with the only change being cx_lowest=C1. I'll try 
changing the event timer next.


Doug

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Received on Sat Aug 21 2010 - 17:25:19 UTC

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