linux-kernel - Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

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Date:	Sat, 14 Apr 2007 19:59:47 +0300
From:	"S.Çağlar Onur" <caglar@...dus.org.tr>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

14 Nis 2007 Cts tarihinde, Ingo Molnar şunları yazmıştı: 
> hm, could you try to strace it and/or attach gdb to it and figure out
> what's wrong? (perhaps involving the Kaffeine developers too?) As long
> as it's not a kernel level crash i cannot see how the scheduler could
> directly cause this - other than by accident creating a scheduling
> pattern that triggers a user-space bug more often than with other
> schedulers.

...
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = 0
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = 0
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = 0
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = 0
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = 0
futex(0x89ac218, FUTEX_WAIT, 2, NULL)   = -1 EINTR (Interrupted system call)
--- SIGINT (Interrupt) @ 0 (0) ---
+++ killed by SIGINT +++

is where freeze occurs. Full log can be found at [1]

> > [1] http://cekirdek.pardus.org.tr/~caglar/psaux
>
> looks quite weird!

:)

[1] http://cekirdek.pardus.org.tr/~caglar/strace.kaffeine
-- 
S.Çağlar Onur <caglar@...dus.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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