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Date: Thu, 22 Jul 2004 18:00:55 +0200
From: Rudo Thomas <rudo@matfyz.cz>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: scheduling while atomic (Re: voluntary-preempt-2.6.8-rc2-H9)
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Hello there.

I finally managed to try out the voluntary preemption patch (H9 on 2.6.8-rc2).

The syslog got flooded by these

bad: ksoftirqd/0(2) scheduling while atomic (1)!
[<c0244529>] schedule+0x529/0x560
[<c0115444>] try_to_wake_up+0xa4/0xc0
[<c0121190>] process_timeout+0x0/0x10
[<c0121190>] process_timeout+0x0/0x10
[<c011677a>] cond_resched_softirq+0x3a/0x60
[<c0120ed0>] run_timer_softirq+0xd0/0x1b0
[<c011d1d0>] ksoftirqd+0x0/0xc0
[<c011ce3d>] ___do_softirq+0x7d/0x90
[<c011ce96>] _do_softirq+0x6/0x10
[<c011d238>] ksoftirqd+0x68/0xc0
[<c012b565>] kthread+0xa5/0xb0
[<c012b4c0>] kthread+0x0/0xb0
[<c0103d91>] kernel_thread_helper+0x5/0x14

Is this by any means normal?

If it is, can these messages be turned off? (Note that I want to have
CONFIG_DEBUG_KERNEL on to be able to use the magic SysRq key.)

Bye for now.

Rudo.