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Re: [Xen-devel] Kernel BUG at "drivers/xen/blkfront/blkfront.c":95

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Kernel BUG at "drivers/xen/blkfront/blkfront.c":95
From: David F Barrera <dfbp@xxxxxxxxxx>
Date: Mon, 29 Aug 2005 10:42:13 -0500
Cc: 'Robin van Leeuwen' <rvl@xxxxxxxxxxx>, 'xen-devel' <xen-devel@xxxxxxxxxxxxxxxxxxx>, Sylvain COUTANT <sco@xxxxxxxxxx>
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On Mon, 2005-08-29 at 15:15 +0100, Keir Fraser wrote:
> > > > When i boot my domU on amd64 (debian unstable)
> > > > i get during startup in xend.log:
> > > 
> > > How old is this version of Xen? I thought I fixed this bug a few days
> > > ago.
> > 
> > I have almost the same problem with unstable download from 26/08.
> Can you try with the most recent repository version? I think I've now
> fixed this.
I tried it on a RHEL 4 box this morning as of the following changesets,
and DomU still crashed:

changeset:   6458:98de1d5fe5fbeedec536f3ed1618c6234e5186d1
tag:         tip
user:        shand@xxxxxxxxxxxxxxxxxxxxxxxxxxx
date:        Mon Aug 29 00:50:04 2005
summary:     Minor (partial) build fix for 2.4.

changeset:   6457:b26d8e1b443690049282c909a1ed41c3ba33bf5c
user:        shand@xxxxxxxxxxxxxxxxxxxxxxxxxxx
date:        Mon Aug 29 00:40:36 2005
summary:     Fix nasty tools race between barking xu_autoreap() and
xpopen3.wait() -

I don't know if this is the same bug. What I am seeing on the DomU
console is: Kernel panic - not syncing: BUG!
On the serial console, I see the message: smp_send_stop
disable_local_APIC. I thought this problem and the one reported on this
thread were the same, and I've filed them both under bugzilla #190.

>  -- Keir
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David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "

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