From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=41420 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OFCbN-0000WK-Fd for Qemu-devel@nongnu.org; Thu, 20 May 2010 16:44:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OFCbL-0001Hv-MX for Qemu-devel@nongnu.org; Thu, 20 May 2010 16:44:21 -0400 Received: from sj-iport-4.cisco.com ([171.68.10.86]:4192) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OFCbL-0001Hj-H5 for Qemu-devel@nongnu.org; Thu, 20 May 2010 16:44:19 -0400 Message-ID: <4BF59F21.5000809@cisco.com> Date: Thu, 20 May 2010 14:44:17 -0600 From: "David S. Ahern" MIME-Version: 1.0 Subject: Re: [Qemu-devel] Problems changing dvdrom iso during execution References: <20100520202903.2a9a8095@shadowfax.no-ip.com> In-Reply-To: <20100520202903.2a9a8095@shadowfax.no-ip.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: adnan@khaleel.us Cc: Qemu-devel@nongnu.org On 05/20/2010 02:29 PM, Adnan Khaleel wrote: > I cannot change DVD roms during execution using the monitor. I can only > mount a cdrom/dvdrom if I specify the iso file in the command line > x86_64-softmmu/qemu-system-x86_64 -hda ../../OSImages/sles11.qcow2 > -cdrom ../../ISOz/mydvd.iso -m 2048 > > In the guest I can mount the iso image as you could normally expect > mount /dev/cdrom /mnt > mount: block device /dev/sr0 is write-protected, mounting read-only > > Info block in the monitor yields > (qemu) info block > ide0-hd0: type=hd removable=0 file../../OSImages/sles11.qcow2 ro=0 > drv=dcow2 encrypted=0 > ide1-cd0: type=cdrom removable=1 locked=1 file=../../ISOz/mydvd.iso ro=0 > drv=raw encrypted=0 > floppy0: type=floppy removable=1 locked=0 [not inserted] > sd0: type=floppy removable=1 locked=0 [not inserted] > > When I try to do a eject ide0-cd0, I get a device busy message so I have > to do a eject -f ide0-cd0 > > After which, an info block yields: > (qemu) info block > ide0-hd0: type=hd removable=0 file../../OSImages/sles11.qcow2 ro=0 > drv=dcow2 encrypted=0 > ide1-cd0: type=cdrom removable=1 locked=1 [not inserted] > floppy0: type=floppy removable=1 locked=0 [not inserted] > sd0: type=floppy removable=1 locked=0 [not inserted] > > I change the iso image with (or so it seems) > > (qemu) change ide1-cd0 ../../ISOz/mydvd2_rom.iso > (qemu) info block > ide0-hd0: type=hd removable=0 file../../OSImages/sles11.qcow2 ro=0 > drv=dcow2 encrypted=0 > ide1-cd0: type=cdrom removable=1 locked=1 file=../../ISOz/mydvd2.iso > ro=0 drv=raw encrypted=0 > floppy0: type=floppy removable=1 locked=0 [not inserted] > sd0: type=floppy removable=1 locked=0 [not inserted] > > I go back to the guest and when I try to mount: > > mount /dev/cdrom /mnt > mount: /dev/sr0 unknown device > > I'm running sles11 as guest and I think it may have something to do with > sles11 as it works fine with ubuntu9. > > Any ideas what might be happening? Does it work if the guest uses ide based CD's: rmmod ide-scsi modprobe ide-cd David > > Thanks > > AK