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SubjectRe: stuck on TLB IPI wait (CPU#0) at 2.2.17+reiserfs+ide+raid
Date
Chris, you write:
> > my box sometimes hang up at high load avarage with "stuck on TLB
> > IPI wait (CPU#0)" messages.
>
> This is a known issue with the way reiserfs uses the scheduler task queue.
> The following patch from Andi Kleen should take care of it for you:
>
> --- linux/kernel/sched.c-o Wed Feb 9 14:27:20 2000
> +++ linux/kernel/sched.c Wed Mar 29 12:53:41 2000
> @@ -803,6 +803,7 @@
> goto handle_bh_back;
>
> handle_tq_scheduler:
> + __sti();
> run_task_queue(&tq_scheduler);
> goto tq_scheduler_back;

Does this have an impact on the system when not using reiserfs? What
is it that reiserfs does that affects the scheduler?

Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
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