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Re: [Xen-devel] Changeset 15035 causes x86-32 to hang

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Changeset 15035 causes x86-32 to hang
From: Stefan Berger <stefanb@xxxxxxxxxx>
Date: Fri, 25 May 2007 19:46:19 -0400
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xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 05/25/2007 05:42:04 PM:

>
> This changeset seems to have introduced some general instability. A
> complete hang at boot is the best most reproducible case reported so
> far however. It would be great if you can add some tracing and find
> out what is going on. It may be that the underlying bug is also
> responsible for some issues which are harder to reproduce and track down.


At what point does printk() work? All the way at the entry point of __start_xen()?
I have added some printks there but haven't seen any output to the screen so far. Looking at the assembly part now that's calling __start_xen().

I'd help, but I'll be away for a couple of days starting tomorrow...

   Stefan
>
>  -- Keir
>
> On 25/5/07 22:09, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

>
> I have several x86-32 machines (blades) which hang immediately after
> grub displays the modules it has loaded. No further output is
> displayed. This is due to 'something' in changeset 15035 from xen-
> unstable.hg. Anybody else experiencing the same problems? Updating
> to changes 15080 does not solve the problem.
>
>    Stefan
>
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