On Wed, 27 Sep 2006 14:44:20 +0200
Markus Schoder <[email protected]> wrote:
> Twice within the last 4 days the kernel started generating
>
> BUG: scheduling while atomic: swapper/0x00000001/0
>
> messages like crazy (several hundreds per second) and would not stop until
> rebooted. I have no idea what triggered it.
>
> Did not have this problem with the 2.6.17 series which I am back to
> using now.
>
> I am using the proprietary nvidia module so if people think it helps I can try
> to recreate the problem without this module (might take a few days though).
>
> The logged call traces are not always completely identical here are some
> examples:
>
> Sep 24 13:29:24 gondolin kernel: Call Trace:
> Sep 24 13:29:24 gondolin kernel: [<ffffffff80268ca5>] thread_return+0x0/0xeb
> Sep 24 13:29:24 gondolin kernel: [<ffffffff802684fa>] __sched_text_start+0x7a/0x825
> Sep 24 13:29:24 gondolin kernel: [<ffffffff88000000>] :unix:unix_poll+0x0/0xb0
> Sep 24 13:29:24 gondolin kernel: [<ffffffff88000000>] :unix:unix_poll+0x0/0xb0
> Sep 24 13:29:24 gondolin kernel: [<ffffffff8026ef30>] default_idle+0x0/0x60
> Sep 24 13:29:24 gondolin kernel: [<ffffffff8024f276>] cpu_idle+0x96/0xb0
> Sep 24 13:29:24 gondolin kernel: [<ffffffff805e5641>] start_secondary+0x4f1/0x500
This might indicate that some code somewhere forgot to do
spin_unlock/preempt_enable/kunmap_atomic/whatever.
Ingo, do you have a current version of the patch which allows us to locate
the culprit?
Thanks.
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