Re: need help on a DEADLOCK problem related to functiontry_one_irq()

From: Thomas Gleixner
Date: Thu Dec 06 2012 - 07:23:37 EST


Ed,

On Thu, 6 Dec 2012, Edward Donovan wrote:
> So, let me try to confirm some things now, so I can learn as I go. To
> spell out what's in the new patch:
>
> The later line,
>
> action = desc->action;
>
> should have been this all along?
>
> action = action->next;

Yes. My bad :(

> And with that fixed, the other test can go. Which is good, now,
> because it was creating locking problems for you.
>
> Ok, thanks for bearing with me. I'll repeat the test here, some
> more, but they've generally behaved consistently and probably will
> keep showing the same.
>
> I might as well add that I would happily ship one of these computers,
> with a reliably spurious interrupt, to Thomas in Germany. if that
> would help for testing.

I'm always happy to have machines which expose strange symptoms.

Thanks,

tglx
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