From: Gleb Natapov <gleb@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: KVM list <kvm@vger.kernel.org>
Subject: Re: guest suspend/resume & virtio: vring errors
Date: Sat, 9 Jul 2011 12:17:20 +0300 [thread overview]
Message-ID: <20110709091720.GG10249@redhat.com> (raw)
In-Reply-To: <4E17545E.7010400@msgid.tls.msk.ru>
On Fri, Jul 08, 2011 at 11:02:54PM +0400, Michael Tokarev wrote:
> I tried suspend/resume cycle for a linux guest
> today, with 100% failure result. There are 2
Good. It works as expect :) Linux virtio drivers do not support PM.
> With e1000 instead of virtio-net-pci, the suspend
> does not complete - guest kernel freezes after the
> message "Suspending console(s)" and does not respond
> (but does not eat 100% CPU either) - the same as for
> older guest kernel.
>
> Has anyone succeeded suspend/resume cycle?
>
Yes, but Linux and suspend/resume are not best friends. Sometimes it
works by mistake, but next merged patch fixes it and suspend/resume
returns to its normal broken state.
--
Gleb.
next prev parent reply other threads:[~2011-07-09 9:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-08 19:02 guest suspend/resume & virtio: vring errors Michael Tokarev
2011-07-09 9:17 ` Gleb Natapov [this message]
2011-07-09 9:47 ` Michael Tokarev
2011-07-09 9:55 ` Gleb Natapov
2011-07-09 10:09 ` Michael Tokarev
2011-07-09 10:36 ` Gleb Natapov
2011-07-09 11:54 ` Michael Tokarev
2011-07-09 12:07 ` Gleb Natapov
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