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    SubjectRe: [regression] Latest git has WARN_ON storm with e1000e driver
    On Fri, 3 Oct 2008 10:41:49 +0200
    Christian Borntraeger <> wrote:

    > This is caused by holding a spinlock (__driver_attach) and checking
    > for preempt_count (e1000_acquire_swflag_ich8lan).
    > I suggest to revert this commit, since we cannot take a mutex while
    > holding a spinlock.
    > The simple solution of replacing the mutex with a spinlock does not
    > work, since we call msleep on several places in the code. Replacing
    > all that code doesnt look like 2.6.27 material.


    could you do a run with frame pointers enabled?
    that should clear up the stack noise....

    Arjan van de Ven Intel Open Source Technology Centre
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