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Date: Tue, 1 Mar 2011 14:58:47 +0200
From: Alon Levy <alevy@redhat.com>
Subject: Re: [Qemu-devel] Re: kvm crashes with spice while loading qxl
Message-ID: <20110301125846.GA19545@playa.tlv.redhat.com>
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To: Jan Kiszka <jan.kiszka@web.de>
Cc: xming <xmingske@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>, kvm@vger.kernel.org, qemu-devel <qemu-devel@nongnu.org>

On Sun, Feb 27, 2011 at 08:11:26PM +0100, Jan Kiszka wrote:
> On 2011-02-27 20:03, Alon Levy wrote:
> > On Sat, Feb 26, 2011 at 01:29:01PM +0100, Jan Kiszka wrote:
> >> On 2011-02-26 12:43, xming wrote:
> >>> When trying to start X (and it loads qxl driver) the kvm process just crashes.
> > 
> > This is fixed by Gerd's attached patch (taken from rhel repository, don't know
> > why it wasn't pushed to qemu-kvm upstream). I'll send it to kvm list as well (separate email).
> 
> Patch looks OK on first glance, but the changelog is misleading: This
> was broken for _both_ trees, but upstream didn't detect the bug.

So I didn't test with qemu not having this patch, but according to the discussion in the
launchpad bug the problem only happens with qemu-kvm. This doesn't rule out it being a
bug, perhaps it is just triggered much less frequently I guess.

> 
> My concerns regarding other side effects of juggling with global mutex
> in spice code remain.
> 
> Jan
>