From: Nick Piggin <piggin@cyberone.com.au>
To: Rudo Thomas <rudo@matfyz.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: bug, or is it? - SCHED_RR and FPU related
Date: Fri, 13 Feb 2004 11:57:41 +1100 [thread overview]
Message-ID: <402C2105.1030905@cyberone.com.au> (raw)
In-Reply-To: <20040213004727.GA20680@ss1000.ms.mff.cuni.cz>
Rudo Thomas wrote:
>Hi.
>
>
>>xmms probably goes into an infinite loop, preventing anything else
>>from being scheduled, right?
>>
>
>Nope. When I turn the suid bit off, xmms (does not run with SCHED_RR and) just
>hangs consuming no CPU cycles. Strange.
>
>I will look into it tomorrow, the invalid FP division was not the problem, its
>results are.
>
>
I think xmms changes the way it runs depending on whether realtime
scheduling is set or not, but I could be wrong.
Programs using realtime scheduling need to be coded pretty
carefully. Xmms is not something I'd bet my system's stability on.
next prev parent reply other threads:[~2004-02-13 0:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-12 20:57 Rudo Thomas
2004-02-12 22:58 ` Nick Piggin
2004-02-13 0:47 ` Rudo Thomas
2004-02-13 0:57 ` Nick Piggin [this message]
2004-02-13 10:02 ` Rudo Thomas
2004-02-13 10:13 ` bug, or is it? - SCHED_RR and futex related Rudo Thomas
2004-02-13 14:37 ` Jamie Lokier
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