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Re: [Xen-devel] xen-unstable c/s 19662 freezes up


  • To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Wed, 27 May 2009 22:28:25 +0100
  • Cc:
  • Delivery-date: Wed, 27 May 2009 14:29:10 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcnfEZL3oqr74YIKQLSMZphGWFS3qAAAH5cZ
  • Thread-topic: [Xen-devel] xen-unstable c/s 19662 freezes up

On 27/05/2009 22:24, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> I'm getting a freeze consistently when launching a second PV domain
> on xen-unstable tip.  After spending hours assuming it was a tmem
> problem, I turned tmem off and reproduced it without tmem.  It
> appears from the dump that there is a locking problem in grant tables.
> C/s 19658 perhaps?  I'll try backing that out.

Thanks. You can also build with debug=y to get a better backtrace which will
only include functions which really are in the backtrace (since debug builds
include frame pointers). The backtrace you provided is probably 75% rubbish.

 -- Keir



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