linux-kernel - RE: Error in Hyper-V modules hv

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Message-ID: <8AFC7968D54FB448A30D8F38F259C562498A26D8@TK5EX14MBXC114.redmond.corp.microsoft.com>
Date:	Tue, 3 May 2011 18:29:34 +0000
From:	Hank Janssen <hjanssen@...rosoft.com>
To:	KY Srinivasan <kys@...rosoft.com>,
	"root@...s.homelinux.org" <root@...s.homelinux.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Error in Hyper-V modules hv_vmbus

> > -----Original Message-----
> > From: root@...s.homelinux.org [mailto:root@...s.homelinux.org]
> > Sent: Tuesday, May 03, 2011 10:52 AM
> > To: KY Srinivasan
> > Cc: linux-kernel@...r.kernel.org
> > Subject: RE: Error in Hyper-V modules hv_vmbus
> >
> >  On Tue, 3 May 2011 13:42:43 +0000, KY Srinivasan wrote:
> > >> -----Original Message-----
> > >> From: root [mailto:root@...s.homelinux.org]
> > >> Sent: Sunday, May 01, 2011 8:37 AM
> > >> To: KY Srinivasan
> > >> Cc: linux-kernel@...r.kernel.org
> > >> Subject: Re: Error in Hyper-V modules hv_vmbus
> > >>
> > >> Windows Server Core 2008 R2 with SP2
> > >
> > > This is a known problem and a fix has been submitted - the patch is
> > > yet to be applied though. Once the hv patches that are in the queue
> > > are applied, this problem will be fixed. In the interim, if you want
> > > an immediate fix, I could send you the patch that will apply against
> > > the tree you have.
> > >
> > > Regards,
> > >
> > > K. Y
> > >>
> > >> Regards
> > >> Juan Dos Santos
> >
> >  Could You send me the patch? So I can test it, I am using the kernel
> > source from
> > http://www.kernel.org/pub/linux/kernel/v2.6/testing/linux-2.6.39-rc5.t
> > ar.bz2,  is the patch compatible with this kernel source?
> 
> This is a very old version of the hyper-V driver code compared to what is in
> Greg's tree and looking at the code It does not look like the problem you are
> seeing is the problem my patch fixes. We will do some additional testing and
> get back to you. It would be very useful if you can post the dmesg or stack
> trace that can shed additional light on the problem.

Juan,

I just fixed a few issues in Ubuntu 10.10 that might be similar.

I will spin up a debian system and see if I can reproduce the problem and submit a patch
To fix it.

Hank.