On Wed, 2006-12-20 at 02:37 -0800, Andrew Morton wrote:
> On Wed, 20 Dec 2006 04:59:19 -0500
> Chuck Ebbert <[email protected]> wrote:
>
> > > On 12/19/06, Chuck Ebbert <[email protected]> wrote:
> > > > So an external interrupt occurred, the system tried to use interrupt
> > > > descriptor #39 decimal (irq 7), but the descriptor was invalid.
> > >
> > > but the irq is disabled at that time.
> > >
> > > can you use attached diff to verify if the irq is enable somehow?
> >
> > But it seems interrupts are on--look at the flags:
> >
> > RSP: 0018:ffffffff803cdf68 EFLAGS: 00010246
> >
>
> down_write()->__down_write() -> __down_write_nested()->spin_unlock_irq()->dead
since down_write() sleeps..... what?
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