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Date: Tue, 16 Jun 2015 16:34:42 +0100
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From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] [Qemu-block] RFC cdrom in own thread?
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To: Peter Lieven <pl@kamp.de>
Cc: qemu-devel <qemu-devel@nongnu.org>, qemu block <qemu-block@nongnu.org>

On Tue, Jun 16, 2015 at 3:44 PM, Peter Lieven <pl@kamp.de> wrote:
> I wonder how difficult it would be to have the IDE CDROM run in its own
> thread?
> We usually have ISOs mounted on an NFS share as CDROM. Problem: If the NFS
> Share
> goes down, it takes down monitor, qmp, vnc etc. with it.
>
> Maybe its already possible to do this via cmdline args?
>
> Any ideas, comments?

If QEMU hangs in the read/write/flush/discard code path due to NFS
downtime it is a bug.

QEMU is expected to hang in open/reopen because those are performed in
a blocking fashion.

Which of these cases applies to what you are seeing?  Maybe it can be fixed.

Stefan