Hello Pavel, or anyone else affected,
Accepted qemu into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/qemu/2.0.0+dfsg-
2ubuntu1.23 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https:/
** No longer affects: qemu (Ubuntu Vivid)
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https://bugs.launchpad.net/bugs/1493049
Title:
memory corruption during live-migration in TCG mode
To manage notifications abo
This bug was fixed in the package qemu - 1:2.3+dfsg-5ubuntu6
---
qemu (1:2.3+dfsg-5ubuntu6) wily; urgency=medium
* Make qemu-system-common and qemu-utils depend on qemu-block-extra
to fix errors with missing block backends. (LP: #1495895)
* Cherry pick fixes for vmdk stream-op
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qemu (Ubuntu Trusty)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qemu (Ubuntu Vivid)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/14
Applying the attached patch I was able to do around 300 migrations back
and forth successfully.
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https://bugs.launchpad.net/bugs/1493049
Title:
memory corruption during l
Here is the updated patch for the bug.
All it does is merely setting `tcg_commit' function as
`log_global_start' callback. `tcg_commit' is then flushes all the
appropriate TLBs on `memory_log_global_start' call.
** Patch added: "more clean solution"
https://bugs.launchpad.net/ubuntu/+source/q
@serge-hallyn,
This patch is exactly what fixes the problem for me (was able to do
around 150 successful migrations with it).
However, this should be rewritten to only contain exactly calls to
tlb_flush when in TCG mode so there is no extra code and no unrelated
changes.
The reason patches are
@pboldin,
the patch you cited was one of several (7?) which appear to be related,
including
commit 677e7805cf95f3b2bca8baf0888d1ebed7f0c606
Author: Paolo Bonzini
Date: Mon Mar 23 10:53:21 2015 +0100
memory: track DIRTY_MEMORY_CODE in mr->dirty_log_mask
DIRTY_MEMORY_CODE is only needed
Great, thank you.
** Changed in: qemu (Ubuntu)
Status: Incomplete => Triaged
** Changed in: qemu (Ubuntu)
Importance: Undecided => High
** Also affects: qemu (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Trusty)
Importance: Undecided
There is no memory_region_get_dirty_log_mask in the 2.0.0, this was only
introduced later. Strictly speaking, 2.0.0 is quite different from 2.4.0
in this matter but I checked the code logic here and it should be good.
Yes, I was not sure what versions it affects so I only referenced
Trusty. If thi
thanks for reporting this bug.
Your backported patch skips the part in render_memory_region() where:
-fr.dirty_log_mask = mr->dirty_log_mask;
+fr.dirty_log_mask = memory_region_get_dirty_log_mask(mr);
Was that on purpose?
Also, in the NOVA bug you said you had filed a 'trusty' bug. Fro
The attachment "backported solution" seems to be a patch. If it isn't,
please remove the "patch" flag from the attachment, remove the "patch"
tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the
team.
[This is an automated message performed by a Launchpad user owned by
~brian-mu
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