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From: utz <utz@s2y4n2c.de>
To: Con Kolivas <kernel@kolivas.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
	rlrevell@joe-job.com, paul@linuxaudiosystems.com, joq@io.com,
	CK Kernel <ck@vds.kolivas.org>
Subject: Re: [PATCH][RFC] sched: Isochronous class for unprivileged soft rt scheduling
Date: Wed, 19 Jan 2005 06:26:09 +0100	[thread overview]
Message-ID: <1106112369.3956.7.camel@segv.aura.of.mankind> (raw)
In-Reply-To: <41ED08AB.5060308@kolivas.org>

Hi Con

I just played with your SCHED_ISO patch and found a simple way to crash
my machine.

I'm running this as unprivileged user with SCHED_ISO:

main ()
{
        while(1) {
                sched_yield();
        }
}

The system hangs about 3s and then reboots itself.
2.6.11-rc1 + 2.6.11-rc1-iso-0501182249 on an UP Athlon XP.

With real SCHED_FIFO it just lockup the system.
 
utz



  parent reply	other threads:[~2005-01-19  5:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-18 13:01 Con Kolivas
2005-01-18 14:53 ` Con Kolivas
2005-01-18 15:45 ` [ck] " Cal
2005-01-18 15:53   ` Con Kolivas
2005-01-18 16:23     ` Jack O'Quin
2005-01-18 16:17   ` Jack O'Quin
2005-01-19  2:02     ` Lee Revell
2005-01-19  2:08       ` Con Kolivas
2005-01-19  5:26 ` utz [this message]
2005-01-19  5:31   ` Con Kolivas
2005-01-19 14:01   ` Con Kolivas
2005-01-19  6:54 ` Jack O'Quin
2005-01-19  7:56   ` Con Kolivas
2005-01-19 14:27     ` Jack O'Quin
2005-01-19  9:33   ` Con Kolivas
2005-01-19 17:12     ` Jack O'Quin
2005-01-20  0:07       ` Con Kolivas
2005-01-20  1:21         ` Jack O'Quin

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