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.