i.MX31 kernel panic and irq

Brian Hutchinson b.hutchman at gmail.com
Wed Oct 7 21:21:02 EDT 2009


On Wed, Oct 7, 2009 at 10:44 AM, Bill Gatliff <bgat at billgatliff.com> wrote:

> Russell King - ARM Linux wrote:
>
>> On Tue, Oct 06, 2009 at 10:43:26AM -0500, Bill Gatliff wrote:
>>
>>
>>> The OOPS messages suggest that the machine has run off into stuff that
>>>  isn't code, which would be consistent with the stack pointer getting  blown
>>> out of the stack memory.
>>>
>>>
>>
>> I don't follow your line of reasoning.
>>
>
> I protected myself by saying I was "speculating".  :)
>
> I think some of the other dumps I saw from him were less clear as to the
> problem, which combined with his descriptions of how he was triggering the
> event made me think about stack corruption as a meta-problem.
>
> Stack corruption could result in register value corruption, for sure.  And
> the fact that his board doesn't fail in the same way each time makes me look
> more at the pattern of OOPS dumps rather than the individual ones.
>
> But you've definitely looked at this dump in more detail than I did.  So I
> could be speculating in the wrong direction altogether.  I was just trying
> to distract him until you solved the problem.  :)
>
> Ha! Bill gives the Jedi wave "this isn't the bug you've been looking for".
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