A few notes after a few weeks of playing with this.
I've not reproduced the failure with migration per se.
However, when I did not add 'aio=native' to the backing store flags
(i.e. file=/mnt/disk.img,if=virtio,cache=none,aio=native), after around
2 days qemu would exit saying
(qemu) qemu: qemu_thread_create: Resource temporarily unavailable
This appears to me to be a bug in the underlying gluster mount.
Until it is verified that this can be reproduced with another shared
backing store and is not simply a result of bad behavior of the
underlying glusterfs, priority of this bug will be lowered.
** Changed in: libvirt (Ubuntu)
Importance: High => Medium
** Changed in: libvirt (Ubuntu)
Assignee: Serge Hallyn (serge-hallyn) => (unassigned)
** Changed in: libvirt (Ubuntu)
Importance: Medium => Low
** Also affects: glusterfs (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1297218
Title:
guest hangs after live migration due to tsc jump
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