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:
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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** Changed in: nova
Milestone: kilo-3 = None
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Title:
qemu-img convert intermittently corrupts output images
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Marking as Wont-Fix.
** Changed in: nova
Status: In Progress = Won't Fix
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Marking as Wont-Fix.
** Changed in: nova
Status: In Progress = Won't Fix
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Title:
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** Changed in: nova
Milestone: kilo-2 = kilo-3
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** 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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** Changed in: nova
Milestone: None = kilo-2
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Title:
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** Changed in: cinder
Status: In Progress = Triaged
** Changed in: cinder
Assignee: Tony Breeds (o-tony) = (unassigned)
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** Changed in: cinder
Status: In Progress = Triaged
** Changed in: cinder
Assignee: Tony Breeds (o-tony) = (unassigned)
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** Changed in: cinder
Assignee: (unassigned) = Tony Breeds (o-tony)
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Title:
qemu-img convert intermittently corrupts output
** Changed in: cinder
Assignee: (unassigned) = Tony Breeds (o-tony)
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Title:
qemu-img convert intermittently corrupts output images
To
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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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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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
- 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 fsync
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
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 rewritten
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
- 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 fsync
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
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 rewritten
** Changed in: cinder
Importance: Undecided = High
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Title:
qemu-img convert intermittently corrupts output images
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** Changed in: cinder
Importance: Undecided = High
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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
-
** Also affects: cinder
Importance: Undecided
Status: New
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Title:
qemu-img convert intermittently corrupts output
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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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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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
-
** Also affects: cinder
Importance: Undecided
Status: New
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Title:
qemu-img convert intermittently corrupts output images
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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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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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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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@Michael,
by any chance would you be albe to test on utopic?
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Title:
qemu-img convert intermittently corrupts output images
To
** 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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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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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
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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Title:
qemu-img convert intermittently
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
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
Just to clarify it's bug 1292234 in the previous comment.
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Title:
qemu-img convert intermittently corrupts output images
To
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
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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@Michael,
by any chance would you be albe to test on utopic?
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Title:
qemu-img convert intermittently corrupts output images
To manage
** 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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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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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
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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Title:
qemu-img convert intermittently corrupts output
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
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
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
Just to clarify it's bug 1292234 in the previous comment.
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Title:
qemu-img convert intermittently corrupts output images
To manage
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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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
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
** Tags added: verification-needed-utopic
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qemu-img convert intermittently corrupts output images
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** Tags added: verification-needed-utopic
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qemu-img convert intermittently corrupts output images
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Tested qemu-utils 2.0.0+dfsg-2ubuntu1.8. Successful.
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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
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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** Tags removed: verification-needed
** Tags added: verification-done-trusty
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Title:
qemu-img convert intermittently corrupts output images
To
** 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
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
** 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
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
** 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
Hi Serge,
Is there any chance these fixes will go into trusty?
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Title:
qemu-img convert intermittently corrupts output images
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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Awesome.
Thanks!
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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
Hi Serge,
Is there any chance these fixes will go into trusty?
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Title:
qemu-img convert intermittently corrupts output images
To manage
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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Awesome.
Thanks!
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Title:
qemu-img convert intermittently corrupts output images
To manage notifications about this bug go to:
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
-
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
-
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qemu (Ubuntu Vivid)
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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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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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
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
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
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
** 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:
** 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:
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