On 2018-06-02 12:46, Michal Privoznik wrote: > On 06/01/2018 03:28 PM, Max Reitz wrote: >> Hi, >> >> The @preconfig RunState documentation states: >> >>> The state is reachable only if the --preconfig CLI option is used. >> >> However, this is not true: >> >> $ echo | x86_64-softmmu/qemu-system-x86_64 -monitor stdio >> QEMU 2.12.50 monitor - type 'help' for more information >> (qemu) >> HMP not available in preconfig state, use QMP instead > > Not sure if this is the same bug, but I've noticed libvirt having > troubles detecting capabilities of qemu and debugging lead to this patch: > > http://lists.nongnu.org/archive/html/qemu-devel/2018-06/msg00367.html > > (which by no means I claim is proper solution. It might be viewed as > workaround by expert qemu devels)
I haven't investigated further, but that patch breaks iotest 091 (which tests migration). It just stops now after the migration has started, so it never completes. Actually, it seems to break all migration iotests (but 203, which migrates to /dev/null), so I suspect it breaks migration as a whole. Max
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