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From: Ian Campbell <Ian.Campbell@citrix.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>,
	"Xen-Devel (E-mail)" <xen-devel@lists.xensource.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: pv 2.6.31 (kernel.org) and save/migrate fails, domU BUG
Date: Mon, 23 Nov 2009 16:44:36 +0000	[thread overview]
Message-ID: <1258994676.7590.81.camel@zakaz.uk.xensource.com> (raw)
In-Reply-To: <20091110100806.GE16033@reaktio.net>

On Tue, 2009-11-10 at 10:08 +0000, Pasi Kärkkäinen wrote:
> Hello,
> 
> Jeremy: Here's summary about these save/restore problems
> using upstream Linux 2.6.31.5 PV guest.
> 
> For me:
> 	- I can "xm save" + "xm restore" UP guest, but I get non-fatal
> 	  BUG in the guest kernel, see [1].
> 	- "xm save" fails for SMP guest with "failed to get the suspend evtchn port", see [2].
> 
> For Dan:
> 	- "xm save" works for UP guest, but "xm restore" doesn't, giving
> 	  infinite xen_sched_clock related dumps in the guest kernel, see [3].

The runstate fix I sent to the list last week should help with this one.

> 	- "xm save" for SMP guest fails, it never ends. I suspect this
> 	  is the same problem I'm seeing.

I'm seeing this (or something very like it) too. At the moment it looks
as if drivers/xen/manage.c:do_suspend is getting as far as the
stop_machine() call but I am never seeing to the xen_suspend() callback.

Ian.

  parent reply	other threads:[~2009-11-23 16:44 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-06 18:37 pv 2.6.31 (kernel.org) and save/migrate Dan Magenheimer
2009-11-06 20:37 ` Pasi Kärkkäinen
2009-11-06 22:27   ` Dan Magenheimer
2009-11-06 22:30     ` Pasi Kärkkäinen
2009-11-07  0:08       ` Dan Magenheimer
2009-11-07 11:09         ` Pasi Kärkkäinen
2009-11-07 15:32           ` Dan Magenheimer
2009-11-08 14:17             ` pv 2.6.31 (kernel.org) and save/migrate, domU BUG() Pasi Kärkkäinen
2009-11-08 14:20               ` pv 2.6.31 (kernel.org) and save/migrate, domU BUG Pasi Kärkkäinen
2009-11-08 15:29               ` pv 2.6.31 (kernel.org) and save/migrate, domU BUG() Dan Magenheimer
2009-11-08 15:41                 ` Pasi Kärkkäinen
2009-11-08 16:48                   ` Pasi Kärkkäinen
2009-11-12 23:16                     ` Jeremy Fitzhardinge
2009-11-12 23:22                       ` Brendan Cully
2009-11-08 16:54                   ` Dan Magenheimer
2009-11-08 17:27                     ` pv 2.6.31 (kernel.org) and save/migrate, domU BUG Pasi Kärkkäinen
2009-11-10 10:08                       ` pv 2.6.31 (kernel.org) and save/migrate fails, " Pasi Kärkkäinen
2009-11-12 23:36                         ` Jeremy Fitzhardinge
2009-11-24 14:27                           ` Ian Campbell
2009-11-25 14:12                             ` Ian Campbell
2009-11-25 19:28                               ` Jeremy Fitzhardinge
2009-11-25 20:03                                 ` Ian Campbell
2009-11-25 20:32                                   ` Jeremy Fitzhardinge
2009-12-01 11:47                               ` [PATCH] xen: improve error handling in do_suspend Ian Campbell
2009-12-01 11:47                               ` [PATCH] xen: explicitly create/destroy stop_machine workqueues outside suspend/resume region Ian Campbell
2009-12-01 22:50                                 ` Jeremy Fitzhardinge
2009-11-23 16:44                         ` Ian Campbell [this message]
2009-11-24 10:27                           ` pv 2.6.31 (kernel.org) and save/migrate fails, domU BUG Ian Campbell
2009-11-12 23:21                     ` pv 2.6.31 (kernel.org) and save/migrate, domU BUG() Jeremy Fitzhardinge
2009-11-07  0:19   ` pv 2.6.31 (kernel.org) and save/migrate Jeremy Fitzhardinge

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