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Re: [Xen-devel] xen-unstable: Xen BUG at sched_credit.c:925

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen-unstable: Xen BUG at sched_credit.c:925
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Fri, 13 Nov 2009 19:00:41 +0000
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On 13/11/2009 18:29, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> Looks like some memory corruption or something... maybe
> a free'd pointer that is used as if never freed.
> While this could be a tmem bug, tmem is so filled with
> asserts when debug=y is enabled that it is less likely
> (though certainly still possible).  Very likely, tmem
> is churning otherwise unused memory a lot more than
> normal, surfacing a (non-tmem) latent bent pointer bug.
> This of course will be a real bear to track down,
> especially in code with which I am completely unfamiliar.
> Any ideas?

Not really. Generic memory corruption bug needing good old-fashioned
detective work.

 -- Keir

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