** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin1610
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https://bugs.launchpad.net/bugs/1620906
Title:
[Ubuntu1610][Libvirt] Postcopy migration with
Thanks for the upstream patch id, but I'd really prefer if you had
opened a new bug for it as I asked. All old requests were fulfilled in
this bug already.
While I agree that this is related being a follow on work by you, it is
not the same but a new twist to the old issue.
To keep tracking sane
As it "just works" for me on ppc as outlined in e.g. comments 15-17 I
mark the qemu task incomplete.
The libvirt task with the requested fixes is completed.
** Changed in: qemu (Ubuntu)
Status: New => Incomplete
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Please reopen with more details how you case gets to the fail in case it is
still failing for you.
If possible identify the steps you have to take to do differently than I did in
comments 15-17.
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This bug was fixed in the package libvirt - 2.1.0-1ubuntu8
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libvirt (2.1.0-1ubuntu8) yakkety; urgency=medium
[ Christian Ehrhardt ]
* avoid migration postcopy issues by ensuring valid commands (LP: #1620906)
- d/p/ubuntu/check-live-for-postcopy.patch Check for --live flag
Attaching my logs just in case.
** Attachment added: "logs when trying to recreate the issue (not triggered)"
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1620906/+attachment/4750081/+files/check-bug-1620906-verify-logs.tgz
** Also affects: qemu (Ubuntu)
Importance: Undecided
Fixing the reported libvirt arg checks with coming upload.
Added a qemu task to cover our discussion and work for the postcopy migration
itself that fails for you still.
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Only postcopy migrations head-to-head work as well.
Only difference I migrated there and back.
If I read your post correctly you are killing/undefining on the target.
Could you try if migrating both ways works for you as well?
And if so I'd assume that something on that "clean on target" is
Thanks for reiterating and summarizing Breno!
I didn't cover re-migrating yet.
I was usually:
1. live migrating
2. offline migrating
3. post-copy migrating
I see you clean the guest in destination and start it in the source again.
So there shouldn't be that much different to me doing an offline
Simplified this is the sequence that works for me
@testkvm-yakkety-from -- virsh migrate --live --postcopy
--postcopy-after-precopy kvmguest-yakkety qemu+ssh://10.223.248.8/system
@testkvm-yakkety-to -- virsh migrate --live --postcopy
--postcopy-after-precopy kvmguest-yakkety
Well, the question might be what does that log mean?
The following
grep "error:" libvirtd_bala.log
shows that the initially reported error shows no more up - is that good?
Only a few stopping guests can be seen, a la "Error on monitor internal
error: End of file from monitor". That could or
** Changed in: libvirt (Ubuntu)
Status: Triaged => In Progress
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Title:
[Ubuntu1610][Libvirt] Postcopy migration with
ping - still waiting for an ack on the change.
In the meantime another version 6 was released which forced me to build
you a new one (with the same content as before).
Please test libvirt_2.1.0-1ubuntu7~ppa1 from
https://launchpad.net/~paelzer/+archive/ubuntu/qemu-machine-type-dev and
let me
Build complete, soon published again.
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https://bugs.launchpad.net/bugs/1620906
Title:
[Ubuntu1610][Libvirt] Postcopy migration with --postcopy-after-precopy
option is not working as
FYI - I had to delete the package and rebuild it soon - will be in the same ppa.
Will be libvirt - 2.1.0-1ubuntu6~ppa1 (or newer) then.
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Title:
Hi,
backports done - a testable version was made available at this ppa:
https://launchpad.net/~paelzer/+archive/ubuntu/qemu-machine-type-dev
Can you please test if that would suffices your request?
If yes I can go forward and try to push together with some other changes
we have incoming.
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Hi,
well I could only share what I experimentally found which was that it worked.
Thanks for confirming that those should be non arch specific.
I'll look into evaluating the patches if we can and should add them as delta.
Again thank you for reporting the issues with patches identified - that
As far as I understood the libvirt doc --postcopy-after-precopy isn't supported
at all without a --postcopy.
I haven't thought on --live yet.
>From the man page:
"--postcopy enables post-copy logic in migration, but does not actually start
post-copy, i.e., migration is started in pre-copy mode.
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