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[Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10
From: |
Dr. David Alan Gilbert |
Subject: |
[Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10 |
Date: |
Fri, 18 Aug 2017 17:56:30 -0000 |
The 'host doesn't support requested feature' is probably a red-herring in this
case
The fact it's failing with an IO error but nothing else suggests either:
a) it's something closing the socket between the two qemu's
b) The I/O error is from storage/NBD
Assuming it fails on precopy, I'd look at the
qemu_loadvm_state_section_startfull to watch all the device states load.
You could also add some debug/tracing in qemu_loadvm_state to see at what point
it fails.
Dave
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https://bugs.launchpad.net/bugs/1711602
Title:
--copy-storage-all failing with qemu 2.10
Status in QEMU:
New
Status in libvirt package in Ubuntu:
Confirmed
Status in qemu package in Ubuntu:
Confirmed
Bug description:
We fixed an issue around disk locking already in regard to qemu-nbd
[1], but there still seem to be issues.
$ virsh migrate --live --copy-storage-all kvmguest-artful-normal
qemu+ssh://10.22.69.196/system
error: internal error: qemu unexpectedly closed the monitor:
2017-08-18T12:10:29.800397Z qemu-system-x86_64: -chardev pty,id=charserial0:
char device redirected to /dev/pts/0 (label charserial0)
2017-08-18T12:10:48.545776Z qemu-system-x86_64: load of migration failed:
Input/output error
Source libvirt log for the guest:
2017-08-18 12:09:08.251+0000: initiating migration
2017-08-18T12:09:08.809023Z qemu-system-x86_64: Unable to read from socket:
Connection reset by peer
2017-08-18T12:09:08.809481Z qemu-system-x86_64: Unable to read from socket:
Connection reset by peer
Target libvirt log for the guest:
2017-08-18T12:09:08.730911Z qemu-system-x86_64: load of migration failed:
Input/output error
2017-08-18 12:09:09.010+0000: shutting down, reason=crashed
Given the timing it seems that the actual copy now works (it is busy ~10
seconds on my environment which would be the copy).
Also we don't see the old errors we saw before, but afterwards on the actual
take-over it fails.
Dmesg has no related denials as often apparmor is in the mix.
Need to check libvirt logs of source [2] and target [3] in Detail.
[1]: https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg02200.html
[2]: http://paste.ubuntu.com/25339356/
[3]: http://paste.ubuntu.com/25339358/
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- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/18
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10,
Dr. David Alan Gilbert <=
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/21
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/21
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/21
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/21
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, Dr. David Alan Gilbert, 2017/08/21
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/22
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/22
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/22
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/22
- [Qemu-devel] [Bug 1711602] Re: --copy-storage-all failing with qemu 2.10, ChristianEhrhardt, 2017/08/22