On Wed, 2006-12-13 at 08:25 +0100, xb wrote:
> Hi all,
>
> Running some IO stress tests on a 8*ways IA64 platform, we got:
> BUG: warning at kernel/mutex.c:132/__mutex_lock_common() message
> followed by:
> Unable to handle kernel paging request at virtual address
> 0000000000200200
> oops corresponding to anon_vma_unlink() calling list_del() on a
> poisonned list.
>
> Having a look to the stack, we see that flush_workqueue() calls
> mutex_lock() with softirqs disabled.
something is wrong here... flush_workqueue() is a sleeping function and
is not allowed to be called in such a context!
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