According to comment #8 the fixes have been included in the upstream
QEMU repository, so setting the status to "Fix released" now.
** Changed in: qemu
Status: In Progress => Fix Released
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Closing based on the assumption that a working qemu-img is available
now.
** Changed in: cinder
Status: Triaged => Won't Fix
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Title:
qemu
Marking as Wont-Fix.
** Changed in: nova
Status: In Progress => Won't Fix
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Title:
qemu-img convert intermittently corrupts output images
** Changed in: nova
Milestone: kilo-2 => kilo-3
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Title:
qemu-img convert intermittently corrupts output images
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** Changed in: nova
Milestone: None => kilo-2
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Title:
qemu-img convert intermittently corrupts output images
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** Changed in: cinder
Assignee: (unassigned) => Tony Breeds (o-tony)
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Title:
qemu-img convert intermittently corrupts output images
To mana
** Changed in: cinder
Status: In Progress => Triaged
** Changed in: cinder
Assignee: Tony Breeds (o-tony) => (unassigned)
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Title:
qe
Fix proposed to branch: master
Review: https://review.openstack.org/143575
** Changed in: cinder
Assignee: John Griffith (john-griffith) => Tony Breeds (o-tony)
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> Patch 0500-block-raw-posix-Try-both-FIEMAP-and-SEEK_HOLE.patch appears to be
> part of a bigger re-write
> of the related code. and is ON TOP of the patches already applied in this bug.
Yep, sorry for not mentioning this. As far as I understand qemu-2.1 package
contains this partially rewritte
Patchg 0500-block-raw-posix-Try-both-FIEMAP-and-SEEK_HOLE.patch appears
to be part of a bigger re-write of the related code. and is ON TOP of
the patches already applied in this bug.
No doubt the rewirtten code is "better" but backporting it contains more risk
than the 2 simple fixes I already
> - 501-block-raw-posix-fix-disk-corruption-in-try-fiemap
> - (note - 502-block-raw-posic-use-seek-hole-ahead-of-fiemap (which was
> also needed in utopic) appears to be unneeded here as the code being
> changed has not yet been switched to using try_fiemap)
Actually such a enforces fsy
The second part of the fix (which does not reduce the performance) for
qemu 2.0 (apparently uploading two patches at once is not so easy)
** Patch added: "0502-block-raw-posix-use-seek_hole-ahead-of-fiemap.patch"
https://bugs.launchpad.net/qemu/+bug/1368815/+attachment/4282119/+files/0502-bloc
** Changed in: cinder
Importance: Undecided => High
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Title:
qemu-img convert intermittently corrupts output images
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Fix proposed to branch: master
Review: https://review.openstack.org/141259
** Changed in: cinder
Assignee: Tony Breeds (o-tony) => John Griffith (john-griffith)
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I'd elevate this to high so it matches nova and ubuntu but I don't have
permissions to do so.
** Changed in: cinder
Status: New => In Progress
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I'm happy to tackle to also fix cinder with a version of the nova fix
(for consistency). I propose waiting until the nova fix lands
** Changed in: cinder
Assignee: (unassigned) => Tony Breeds (o-tony)
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** Also affects: cinder
Importance: Undecided
Status: New
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Title:
qemu-img convert intermittently corrupts output images
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This bug was fixed in the package qemu - 2.1+dfsg-4ubuntu6.2
---
qemu (2.1+dfsg-4ubuntu6.2) utopic-proposed; urgency=medium
* Apply two patches to fix intermittent qemu-img corruption
(LP: #1368815)
- 501-block-raw-posix-fix-disk-corruption-in-try-fiemap
- 502-block-raw-
Chris,
I've read through 1292234 and I'll have a play with your reproducer locally and
see if I can gain any insight.
I'm sorry my fix didn't help 1292234, but glad you can't hit 1368815
with upstream, I was kinda having kittens here ;P
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Just to clarify it's bug 1292234 in the previous comment.
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Tony,
Yea, its a different bug. I tested with the above patched package and
upstream qemu from git, and I can still hit bug 129224. I was hoping
this also fixed my issue, but unfortunately it seems to be a different
issue that occurs when using the same types of filesystems. I have a
solid reprodu
Hi Chris,
Markus' rework will not reintroduce this bug as it completely removes all
fiemap code.
bug 129224 is a different issue, I'll comment on that bug.
You say: you encounter issues with upstream with ^extent and ext3
filesystems. Just to be clear: Are you saying that *this* bug is still
a
Filed a separate issue for MOS
https://bugs.launchpad.net/mos/+bug/1401261
** No longer affects: mos
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Title:
qemu-img convert intermittently cor
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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Title:
qemu-img convert intermittently corrupts output image
Looking at the fixes, I also see the following commits remove the above
changes, which could mean we might encounter this again:
c4875e5 raw-posix: SEEK_HOLE suffices, get rid of FIEMAP
d1f06fe raw-posix: The SEEK_HOLE code is flawed, rewrite it
Note there is also a related issue:
bug 1292234
So
I couldn't reproduce the bug on the old qemu myself, however Michael has
verified the (same) fix on trusty, and the full qa-regression-test
passed for me on utopic-proposed. So I would request that we call this
verification-done.
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** Also affects: mos
Importance: Undecided
Status: New
** Changed in: mos
Status: New => Triaged
** Changed in: mos
Importance: Undecided => Critical
** Changed in: mos
Assignee: (unassigned) => MOS Linux (mos-linux)
** Changed in: mos
Milestone: None => 6.0
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Yo
@Michael,
by any chance would you be albe to test on utopic?
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Title:
qemu-img convert intermittently corrupts output images
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This bug was fixed in the package qemu - 2.0.0+dfsg-2ubuntu1.8
---
qemu (2.0.0+dfsg-2ubuntu1.8) trusty-proposed; urgency=medium
* debian/qemu-system-x86.qemu-kvm.upstart: create /dev/kvm in a
container. (LP: #1370199)
* Cherrypick upstream patch to fix intermittent qemu-img co
** Tags added: verification-needed-utopic
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Title:
qemu-img convert intermittently corrupts output images
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** Tags removed: verification-needed
** Tags added: verification-done-trusty
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Title:
qemu-img convert intermittently corrupts output images
To m
Tested qemu-utils 2.0.0+dfsg-2ubuntu1.8. Successful.
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Title:
qemu-img convert intermittently corrupts output images
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Hello Michael, or anyone else affected,
Accepted qemu into utopic-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/qemu/2.1+dfsg-
4ubuntu6.2 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://w
** Description changed:
==
- Impact: occasional qcow2 corruption
+ Impact: occasional image corruption (any format on local filesystem)
Test case: see the qemu-img command below
Regression potential: this cherrypicks a patch from upstre
Awesome.
Thanks!
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Hi Tony,
yes, I've uploaded a proposed fix for trusty-proposed earlier today. It
should be available for testing as soon as it is accepted.
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Titl
Hi Serge,
Is there any chance these fixes will go into trusty?
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Title:
qemu-img convert intermittently corrupts output images
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** Description changed:
+ ==
+ Impact: occasional qcow2 corruption
+ Test case: see the qemu-img command below
+ Regression potential: this cherrypicks a patch from upstream to a
not-insignificantly older qemu source tree. While the cherryp
This bug was fixed in the package qemu - 2.1+dfsg-4ubuntu7
---
qemu (2.1+dfsg-4ubuntu7) vivid; urgency=medium
* Apply two patches to fix intermittent qemu-img corruption
(LP: #1368815)
- 501-block-raw-posix-fix-disk-corruption-in-try-fiemap
- 502-block-raw-posic-use-seek
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qemu (Ubuntu Vivid)
Status: New => Confirmed
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Title:
Thanks for the information. Looks like we can apply these in debian
too.
** Also affects: qemu (Ubuntu Utopic)
Importance: High
Status: Triaged
** Also affects: qemu (Ubuntu Vivid)
Importance: Undecided
Status: New
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FWIW the following 2 commits in qemu master resolve the issue for qemu-
img.
http://git.qemu.org/?p=qemu.git;a=commit;h=38c4d0aea3e1264c86e282d99560330adf2b6e25
http://git.qemu.org/?p=qemu.git;a=commit;h=7c15903789953ead14a417882657d52dc0c19a24
If possible they should be back ported to trus
openstack review at:
https://review.openstack.org/#/c/123957/
Qemu patches at:
http://patchwork.ozlabs.org/patch/393494/ ; and
http://patchwork.ozlabs.org/patch/393495/
** Changed in: nova
Assignee: (unassigned) => Tony Breeds (o-tony)
** Changed in: qemu
Status: New => In Prog
** Also affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu)
Status: New => Triaged
** Changed in: qemu (Ubuntu)
Importance: Undecided => High
** Also affects: qemu (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: qe
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