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Re: [Xen-devel] Backtrace in xen/next-2.6.38 when running guest

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Backtrace in xen/next-2.6.38 when running guest
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Wed, 2 Feb 2011 21:41:44 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, M A Young <m.a.young@xxxxxxxxxxxx>
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On Wed, 2011-02-02 at 19:47 +0000, Jeremy Fitzhardinge wrote: 
> On 02/02/2011 11:31 AM, Ian Campbell wrote:
> > On Wed, 2011-02-02 at 19:20 +0000, M A Young wrote: 
> >> I get backtraces from the dom0 kernel when running a guest with networking 
> >> (via netback) enabled such as the one below (there are some slight 
> >> variations but the first two lines and most of the rest of the contents 
> >> are the same).
> >> BUG: sleeping function called from invalid context at mm/page_alloc.c:2190
> > Thanks.
> >
> > Netback for upstream is still a WIP (I wasn't expecting it to be merged
> > anywhere yet and have already and will continue to rebase my branch).
> 
> I merged it into next to get some exposure, but I'll happily revert and
> remerge as you make changes.  What's your working branch?

Same branch but I haven't pushed an update yet.

> > In particular one of the things which needs to go away for upstreaming
> > is the tasklet vs. kthread mode option in favour of always using a
> > kthread.
> 
> Yep.  Have you also dropped the smartpoll stuff yet?

Yes.

Ian.



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