Re: [Xen-devel] 100% reliable Oops on xen 4.0.1

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 14.08.12 at 18:16, Peter Moody <pmoody@xxxxxxxxxx> wrote:
> On Tue, Aug 14, 2012 at 9:09 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> 
>> From the above as well as based on you indicating that the
>> traces are highly variable between instances, I'd suppose
>> this is memory corruption of some sort, which can easily be
>> hidden by all sorts of factors.
>>
>> Until you can find a pattern, I don't think there can be done
>> much by anyone not having an affected system available for
>> debugging.
> 
> So I have such a system :).

That's what I implied.

> Are there any pointers or tips you can give me to help me track down
> the root cause? I realize that's a broad question, and a perfectly
> justifiable answer is "read the memory management chapter of
> understanding linux device drivers" but at this point basically any
> advice you can give me is appreciated (and will most likely get me
> closer to the solution).

As said, figuring out a pattern in the crashes would likely help
placing debug prints, breakpoints, or anything similar to aid
detecting the presumed corruption earlier. Without a pattern,
there's regretfully not much I can suggest.

Jan


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