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Date: Fri, 27 May 2011 17:04:30 +0530
From: Amit Shah <amit.shah@redhat.com>
Message-ID: <20110527113430.GB31810@amit-x200.redhat.com>
References: <20110526152929.36c15abf@doriath>
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Subject: Re: [Qemu-devel] block bug: tray status is not updated (and/or
	guest ignores it)
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To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: kwolf@redhat.com, Markus Armbruster <armbru@redhat.com>, qemu-devel <qemu-devel@nongnu.org>

On (Fri) 27 May 2011 [17:01:35], Amit Shah wrote:
> On (Thu) 26 May 2011 [15:29:29], Luiz Capitulino wrote:
> > 
> > I'm testing with qemu.git (HEAD aa29141d84d), procedure:
> > 
> > 1. Start a VM with:
> > 
> >  # qemu -hda disks/test.img -enable-kvm -m 1G -cdrom Fedora-14-x86_64-DVD.iso
> > 
> > 2. Then inside the guest run:
> > 
> >  # eject /dev/sr0 && mount /dev/sr0 /mnt
> > 
> > Results:
> > 
> >  Actual: The cdrom is successfully mounted
> >  Expected: The cdrom is not mounted (mount fails, medium not found)
> 
> Really?  That's what you expect? :-)
> 
> Where will the medium go?
> 
> What happens is mount auto-closes the tray and mounts whatever is
> there, which is the image you provided.  Works as expected, IMO.
> 
> Can you try this with a physical cdrom drive where the tray can be
> opened/closed by software commands?  It should give you a similar
> behaviour.

BTW in case mount doesn't auto-close the tray, it should fail with a
'tray open' message, not with a medium not found message.  I'm
checking the code to see what's happening in the meanwhile.

		Amit