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Re: [Xen-devel] Question regarding SLAB corruption

To: Lukas Hejtmanek <xhejtman@xxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Question regarding SLAB corruption
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Sun, 08 Jul 2007 10:59:20 +0100
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On 8/7/07 01:54, "Lukas Hejtmanek" <xhejtman@xxxxxxxxxxx> wrote:

> InfiniBand developers told be that they are using SLAB_DEBUG and
> modprobe/rmmod works OK in non-Xen environment.
> 
> So, any thoughts or suggestions to catch the bug?

It could be DMAing randomly. Is there a debug flag in the driver to provide
verbose tracing? Or you could add tracing (or audit) the places that it
initiates DMA and see whether the DMA addresses are correctly calculated.

 -- Keir


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