Re: Kaffeine problem with CFS

S.Çağlar Onur
2007-04-18T13:28:16Z

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18 Nis 2007 Çar tarihinde, Christoph Pfister şunları yazmıştı:
> Replacing the sched_yield in demux.c with an usleep(10) stopped those
> seeking hangs here (at least I was able to pull the slider back and
> forth during 2 mins without trouble compared to the few secs I need
> earlier to get a hang).

Index: linux/kernel/sched.c
===================================================================
--- linux.orig/kernel/sched.c
+++ linux/kernel/sched.c
@@ -3785,7 +3785,7 @@ asmlinkage long sys_sched_yield(void)
_raw_spin_unlock(&rq->lock);
preempt_enable_no_resched();

- schedule();
+ msleep(1);

return 0;
}

which Ingo sends me to try also has the same effect on me. I cannot reproduce
hangs anymore with that patch applied top of CFS while one console checks out
SVN repos and other one compiles a small test software.

Cheers
--
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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