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From: Jamie Lokier <jamie@shareable.org>
To: Avi Kivity <avi@redhat.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Christoph Hellwig <hch@lst.de>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Regression opening read-only cdroms
Date: Tue, 16 Jun 2009 20:02:58 +0100	[thread overview]
Message-ID: <20090616190258.GN11893@shareable.org> (raw)
In-Reply-To: <20090616185646.GL11893@shareable.org>

Jamie Lokier wrote:
> Avi Kivity wrote:
> > On 06/16/2009 08:46 PM, Jamie Lokier wrote:
> > >Users who expect things to just work will be even more surprised that
> > >"-hda image" where image is read-only does not give any error from
> > >QEMU, but their guest crashes.  Or that "-hda image" works as usual,
> > >and their guest crashes, and eventually they discover it's because
> > >their disk image is not writable, and it's always worked before
> > >because they were using -snapshot or something like that, and QEMU
> > >didn't warn them it would be a problem...
> > 
> > I agree, for non-cdroms/floppies, non-backing store files we should 
> > require write access.
> 
> Did you miss that read-only disks exist, as seen through
> SCSI/USB/virtio, and that guests will mount them read-only automatically?

I see that you didn't; our mails passed in the mist.

Ok. :-)

-- Jamie

  reply	other threads:[~2009-06-16 19:03 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-16 12:00 [Qemu-devel] Regression opening read-only cdroms Avi Kivity
2009-06-16 14:33 ` Jamie Lokier
2009-06-16 14:54   ` Stefano Stabellini
2009-06-16 14:54     ` Jamie Lokier
2009-06-16 16:28       ` Anthony Liguori
2009-06-16 17:14         ` Stefano Stabellini
2009-06-16 17:46           ` Jamie Lokier
2009-06-16 17:54             ` Avi Kivity
2009-06-16 18:56               ` Jamie Lokier
2009-06-16 19:02                 ` Jamie Lokier [this message]
2009-06-16 21:11         ` Gerd Hoffmann
2009-06-17  6:27           ` Avi Kivity
2009-06-16 15:16   ` Avi Kivity
2009-06-16 15:54     ` Jamie Lokier
2009-06-16 16:17       ` Avi Kivity
2009-06-16 17:51         ` Jamie Lokier
2009-06-16 17:58           ` Avi Kivity
2009-06-18 12:37   ` Richard W.M. Jones
2009-06-24 20:23     ` Jamie Lokier
2009-06-24 22:43       ` Richard W.M. Jones
2009-06-25  0:50         ` Jamie Lokier
2009-06-25  8:17           ` Richard W.M. Jones
2009-06-16 16:28 ` Blue Swirl
2009-06-16 18:37   ` Blue Swirl
2009-06-16 21:16     ` Christoph Hellwig

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