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Re: [Xen-devel] Unresolved - qemu-dm crash under high dom0 disk load

To: Randy McAnally <rsm@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Unresolved - qemu-dm crash under high dom0 disk load
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 30 Jan 2008 16:32:36 +0000
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Please try the attached patch.

 -- Keir

On 30/1/08 16:09, "Randy McAnally" <rsm@xxxxxxxxxxxxx> wrote:

> This is regarding a long unresolved issue with HVM qemu-dm crashing under
> heavy Dom0 IO load.
> I decided to make a new thread on this seeing that I found many old ones
> scattered about with no resolution:
> Here are old threads regarding the same/similar issue
> http://lists.xensource.com/archives/html/xen-users/2007-08/msg00135.html
> http://lists.xensource.com/archives/html/xen-users/2007-07/msg00624.html
> Old bug reports of the issue:
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=542
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1038
> In 1038, spam@xxxxxxx _incorrectly_ reports it is fixed in 3.1.1 -- Not only
> can I find any evidence of this, I can EASILY reproduce the crash over and
> over with 3.1.3-rc2.
> I have a dev. Xen box available for anyone who wants access for stack
> traces, ect.
> Unfortunately I myself do not have enough knowledge to find the problem
> myself, however I am available to instruct on how to produce the bug, run
> stack traces, help organize this effort, and provide unrestricted access to
> this dev machine if needed.

Attachment: ioemu-ide-thread-race
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