From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: Question regarding SLAB corruption
Date: Mon, 09 Jul 2007 14:42:34 +0100
Message-ID: <C2B7F9DA.12178%keir@xensource.com>
References: <20070709132449.GJ3885@ics.muni.cz>
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To: Lukas Hejtmanek <xhejtman@ics.muni.cz>
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On 9/7/07 14:24, "Lukas Hejtmanek" <xhejtman@ics.muni.cz> wrote:

> Well, we got it. The virt_to_machine shows that although the pages are
> contiguous, they are in the reversed order! As can be seen below. Should the
> swiotlb=force solve the problem?

Yes, although that won't be needed in dom0 (which always has a swiotlb). But
clearly it is *definitely* needed for domU driving the infiniband device.

You definitely need the patch that I posted. If it won't apply cleanly to
your kernel tree then you'll have to manually apply it, or move to the
current 'unstable' linux-2.6.18-xen.hg tree.

 -- Keir