On 10/19/10 18:03, Alex Davis wrote: >> You ejected the CD-ROM on the QEMU side, the guest doesn't >> necessarily >> know about the medium change. What happens when you >> use "eject >> /dev/sr0" inside the guest instead? > I get a 'no medium found' error from the 'dd..' command. After > going into the the monitor, ejecting and reloading the disk, > I still get the size of the first disk in the guest. As I recall the old data is coming from the host page cache; it is not seeing the media change. Try dropping the cache in the host on a media change (echo 3 > /proc/sys/vm/drop_caches) or modify qemu to close and reopen the cdrom device. David >> >> I don't know how CD-ROM media change works on real >> hardware, but that >> is the behavior that QEMU should be following. >> >> Stefan > > > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
