From: Paolo Bonzini <pbonzini@redhat.com>
To: Sander Klein <roedie@roedie.nl>, KVM list <kvm@vger.kernel.org>
Subject: Re: Migration fail randomly
Date: Tue, 15 Sep 2015 15:24:35 +0200 [thread overview]
Message-ID: <55F81C13.1030608@redhat.com> (raw)
In-Reply-To: <0b22092e744126a8de6e0b391bdb5081@roedie.nl>
On 15/09/2015 12:57, Sander Klein wrote:
>
> I'm running Debian Jessie with KVM 2.1 on 6 nodes with an NFS3 back-end
> and sometimes when I migrate a VM it suddenly 'hangs'. The KVM process
> is running on the new node, eating up all it's CPU cycles but it does
> not respond to anything anymore. I don't see any errors logged and it
> seems like the migration went fine except for the VM hanging.
>
> It doesn't matter if I do a live migrate or a save and restore, it
> happens with both ways.
>
> Destroying and booting the VM fixes it of course and I can migrate it
> afterwards, but after a couple of days the same happens again when I try
> to migrate it.
>
> The VM's range from Debian Squeeze (With a 3.2 kernel), Wheezy, and Jessie.
>
> Does anyone have an idea why this happens and if I can fix this?
What kernel runs in the host?
Paolo
next prev parent reply other threads:[~2015-09-15 13:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 10:57 Migration fail randomly Sander Klein
2015-09-15 13:24 ` Paolo Bonzini [this message]
2015-09-15 13:36 ` Sander Klein
2015-09-15 13:38 ` Paolo Bonzini
2015-09-16 6:45 ` Sander Klein
2015-09-24 8:50 ` Sander Klein
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