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[Xen-devel] RE: PV resume failed after self migration failed


  • To: "MaoXiaoyun" <tinnycloud@xxxxxxxxxxx>, "xen devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Wed, 22 Jun 2011 14:06:18 +1000
  • Cc:
  • Delivery-date: Tue, 21 Jun 2011 21:07:24 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcwwDMW6reUCuxpoRYipQYusyvf9nAAhOLcA
  • Thread-topic: PV resume failed after self migration failed

> >
> > The xenvbd driver doesn't do any timeout, windows does the timeout
and
> > tells xenvbd to reset. I haven't tested the scenario you describe
very
> > recently, and xenvbd is now two different drivers, one for scsiport
(<=
> > 2003) and one for storport (>= Vista), so there could be bugs in
either.
> >
> 
> The bug can be reproduced in 2003 32bit system. We are using scsi
driver.
> I put some log in XenVbd_HwScsiResetBus to see if there are not
completed
> srb(Like below)
> but I didn't see the log when XenVbd_HwScsiResetBus called. So No IO
is in
> queue.

Just to confirm, is this the issue that only happens when the migration
fails in xen and is cancelled?

James


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