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

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Message-ID: <8AFC7968D54FB448A30D8F38F259C562498A27AF@TK5EX14MBXC114.redmond.corp.microsoft.com>
Date:	Tue, 3 May 2011 18:42:25 +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.