From: Anthony Liguori <anthony@codemonkey.ws>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] glib mainloop breaks virtfs
Date: Tue, 06 Sep 2011 09:31:32 -0500 [thread overview]
Message-ID: <4E662EC4.4050705@codemonkey.ws> (raw)
In-Reply-To: <4E66027C.3090909@redhat.com>
On 09/06/2011 06:22 AM, Gerd Hoffmann wrote:
> Hi,
>
> virtfs stopped working for me in master, the guest (fedora 15) just
> hangs at boot when mounting the virtfs filesystems. Bisecting points to
> this commit:
>
> rincewind kraxel ~/projects/qemu ((69e5bb6...)|BISECTING)# git bisect good
> 4d88a2ac8643265108ef1fb47ceee5d7b28e19f2 is the first bad commit
> commit 4d88a2ac8643265108ef1fb47ceee5d7b28e19f2
> Author: Anthony Liguori <aliguori@us.ibm.com>
> Date: Mon Aug 22 08:12:53 2011 -0500
>
> main: switch qemu_set_fd_handler to g_io_add_watch
The v9fs code uses qemu_set_fd_handler to trigger coroutines. I suspect
this is not going to be a fun one to debug.
This changeset changes the ordering of when callbacks are fired so it
may be triggering a latent bug in the coroutine usage in virtio-9p.
Aneesh, can you take a look at it?
Regards,
Anthony Liguori
>
> cheers,
> Gerd
>
next prev parent reply other threads:[~2011-09-06 14:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-06 11:22 [Qemu-devel] glib mainloop breaks virtfs Gerd Hoffmann
2011-09-06 14:31 ` Anthony Liguori [this message]
2011-09-06 17:25 ` Aneesh Kumar K.V
2011-09-06 17:41 ` Aneesh Kumar K.V
2011-09-07 10:44 ` Aneesh Kumar K.V
2011-09-07 10:58 ` Gerd Hoffmann
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