Preferred way for this fix was:
commit 0d34fbabc13891da41582b0823867dc5733fffef
Author: Rafael David Tinoco <[email protected]>
Date: Mon Oct 24 15:35:03 2016
vhost: migration blocker only if shared log is used
Commit 31190ed7 added a migration blocker in vhost_dev_init() to
check if memfd would succeed. It is better if this blocker first
checks if vhost backend requires shared log. This will avoid a
situation where a blocker is added inappropriately (e.g. shared
log allocation fails when vhost backend doesn't support it).
Signed-off-by: Rafael David Tinoco <[email protected]>
Reviewed-by: Marc-André Lureau <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
And accepted upstream. I'm closing this bug.
** Changed in: libvirt (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1613423
Title:
Mitaka + Trusty (kernel 3.13) not using apparmor capability by
default, when it does, live migration doesn't work (/tmp/memfd-XXX
can't be created)
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