On 22.06.2018 14:51, Christian Borntraeger wrote: > adding more CC. > > On 06/22/2018 01:38 PM, Christian Borntraeger wrote: >> >> On 06/15/2018 04:21 PM, Kevin Wolf wrote: >>> The -drive option serial was deprecated in QEMU 2.10. It's time to >>> remove it. >>> >>> Tests need to be updated to set the serial number with -global instead >>> of using the -drive option. >> >> libvirt 4.5 still creates those (at least on s390x) >> >> <disk type='file' device='disk'> >> <driver name='qemu' type='qcow2' cache='none' io='native' iothread='1'/> >> <source file='/var/lib/libvirt/qemu/image.zhyp137'/> >> <target dev='hda' bus='virtio'/> >> <serial>skel</serial> >> <boot order='1'/> >> <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/> >> </disk> >> -> >> [...] >> -drive file=/var/lib/libvirt/qemu/image.zhyp137,format=qcow2,if=none,id=drive-virtio-disk0,serial=skel,cache=none,aio=native -device virtio-blk-ccw,iothread=iothread1,scsi=off,devno=fe.0.0000,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1,write-cache=on >> [...] >> >> 2018-06-22T11:25:20.946024Z qemu-system-s390x: -drive file=/var/lib/libvirt/qemu/image.zhyp137,format=qcow2,if=none,id=drive-virtio-disk0,serial=skel,cache=none,aio=native: Block format 'qcow2' does not support the option 'serial' >> 2018-06-22 11:25:21.098+0000: shutting down, reason=failed >> >> So it seems that this breaks s390x. I wonder why nobody noticed the deprecation messages before? > So what about reverting commit b0083267444a5e0f28391f6c2831a539f878d424 > "block: Remove deprecated -drive option serial" and redo the removal in > qemu 3.1 (or 3.2) ? > Even if we fix libvirt today, this is certainly a too short period of > time to get things fixed in the field. Agreed, reverting that commit is likely the best thing we can do right now, and then kill it in a later QEMU release. Note that you also need to revert 6266e900b8083945cb766b45c124fb3c42932cb3 first. Thomas -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list