I'm trying to reproduce this (using a 64k cluster size 2G qcow2 rootfs).
Does simply having heavy filesystem activity in parallel trigger this,
or should I be doing something else as well? Does it help to have qcow2
snapshots?
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Could not reproduce this with parallel tar or kernel builds.
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Title:
qemu-kvm crashes in qcow2 code
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Thanks for that info. So the fix is between 1.0..1.2.
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Title:
qemu-kvm crashes in qcow2 code
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Sorry, I was confused: I thought Fix released applied to precise also, which
is not true obviously.
However I was successful with the quantal packages
(qemu-*-1.2.0+noroms-0ubuntu2.12.10.5, seabios_1.7.0-1, vgabios_0.7a-3ubuntu2).
After installing those and a night full of test runs, things
Still having the same problem. (Please change the status) Any more
suggestions? Can we provide any more info?
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Title:
The status for precise is 'confirmed' - did you mean you experienced it
on saucy?
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qemu-kvm crashes in qcow2 code
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True. However I do need the debug symbols for the PATCHED qemu-kvm
package, specifically for the ppa2 version. These symbols are of course
not in the official ddebs repos and also not in the PPA.
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Quoting Stefan Schimanski (s...@1stein.org):
True. However I do need the debug symbols for the PATCHED qemu-kvm
package, specifically for the ppa2 version. These symbols are of course
not in the official ddebs repos and also not in the PPA.
Oh - since the patched version did not fix it, I
The patch did not help, the machines still die. Unfortunately I cannot create a
backtrace since the debugging symbols
for the patched qemu-kvm package are not available (or are they and if yes,
where?).
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Quoting Fabian Eichstädt (fabian.eichsta...@dfs.de):
The patch did not help, the machines still die. Unfortunately I cannot create
a backtrace since the debugging symbols
for the patched qemu-kvm package are not available (or are they and if yes,
where?).
The wiki page
Thanks for the quick response! Unfortunately the build failed ...
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Title:
qemu-kvm crashes in qcow2 code
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Quoting Fabian Eichstädt (fabian.eichsta...@dfs.de):
Thanks for the quick response! Unfortunately the build failed ...
Yes sorry about that, I thought the patch had been applied locally
when I pushed the package but apparently not. I've backported the
patch and re-pushed a ppa2 version.
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** Changed in: qemu-kvm (Ubuntu)
Importance: Undecided = High
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Title:
qemu-kvm crashes in qcow2 code
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Thank you for reporting this bug. It looks like commit
7242411460eb1cd6e850d51ef15ae734b59e2edf (qcow2: Don't hold cache
references across yield) should be the fix for this. I will build a
package with that for testing.
** Bug watch added: Red Hat Bugzilla #812705
I've pushed the package to ppa:serge-hallyn/lucid-kvm-test. It should
build after a few hours, after which you can
sudo add-apt-repository ppa:serge-hallyn/lucid-kvm-test
sudo apt-get update
sudo apt-get dist-upgrade
If the problem is solved after that, we can SRU this change to get it
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