linux-kernel - Re: ioatdma: Boot process hangs then reboots when using Xen + Linux 3.2

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Date:	Sun, 11 Mar 2012 17:06:48 -0500
From:	Jonathan Nieder <jrnieder@...il.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	Thomas Goirand <zigo@...ian.org>, xen-devel@...ts.xensource.com,
	Dave Jiang <dave.jiang@...el.com>,
	pkg-xen-devel@...ts.alioth.debian.org,
	Maciej Sosnowski <maciej.sosnowski@...el.com>,
	linux-kernel@...r.kernel.org, William Dauchy <wdauchy@...il.com>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>
Subject: Re: ioatdma: Boot process hangs then reboots when using Xen + Linux
 3.2

Hi Dan,

Dan Williams wrote:

> Before you had mentioned that non-xen 32-bit builds don't fail.  Can
> you send me the .config from those two cases (offlist if they are too
> large)?

The failing and non-failing kernels are identical.  It is the
environment in which they are run that is different.

Running the kernel on bare metal works fine, while booting as a dom0
from the xen hypervisor triggers the assertion failure.[1]

.config: [2]

Hope that helps,
Jonathan

[1] http://thread.gmane.org/gmane.comp.emulators.xen.devel/121604/focus=121615
[2] http://alioth.debian.org/~jrnieder-guest/temp/config-3.2.0-2-686-pae
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