** Summary changed:
- Memory leak
+ Memory leak in qemu
** Summary changed:
- Memory leak in qemu
+ iovec array memory leak
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iovec array memory leak
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Serge: I've re-run my testing and I indeed see no leakage with your
packages dated the 23rd :)
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Thanks, David! I resubmitted the source branch for merge into lucid
proposed. Will update if/when it gets merged.
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Serge: The package from your ppa fixes the problem for me!
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David and Chris, could you please try to reproduce with the packages in
ppa:serge-hallyn/virt, which was created with the exact tree which I would
like to propose for merge into lucid-proposed? You can try it by doing
(as root):
cat >> /etc/apt/sources.list.d/serge-hallyn-virt.list << EOF
deb htt
** Branch linked: lp:~serge-hallyn/ubuntu/lucid/qemu-kvm/memleak-fix
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Thanks, Chris. The I'll propose the branch with the new patch identified by
David
for merging. FWIW it is at
https://code.launchpad.net/~serge-hallyn/ubuntu/lucid/qemu-kvm/memleak-
fix
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Serge: I ran a test with the (first?) -proposed fix and I was still able
to see leaking, assuming I didn't get something wrong with downgrading
from 0.12.4 to the -proposed packages.
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I cannot reproduce this bug with the qemu-kvm package from lucid-
proposed.
Can anyone confirm that the bug still exists?
David, can you past your /etc/apt/sources.list and output of 'dpkg -l grep
qemu', 'uname -a',
and tell me what you're running in the guests (both distro/version and
workloa
Chris Jones suggested
spew -g --raw --statistics -t -v 5G foo
in a guest to reproduce the memory leak, and this worked for me. So now I've
1. confirmed the leak in the stock lucid package
2. built my own package with the commit David suggested applied, and confirmed
no memory leak there
I'v
** Attachment added: "Patched qemu-kvm"
http://launchpadlibrarian.net/50674252/qemu-kvm_0.12.3%2Bnoroms-0ubuntu9.1_amd64.deb
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I now found the right commit
http://git.kernel.org/?p=virt/kvm/qemu-
kvm.git;a=commit;h=012d4869c1eb195e83f159ed7b2bced33f37f960
A virtual Machine running with this for about an hour still uses not
more memory than when it was started.
Attached a patched version of kvm for amd64
** Attachment a
Dick: I rebuilt 0.12.4 from debian and then maverick to test for my bug
(mentioned in comment #14) and it completely fixed the leaking, I was
able to leave my IO tests running all day without any sign of leakage.
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One of the virtual machines with 2 GB RAM, is already using 3.5 GB RAM
here, so the leaking still exists. I hoped that this was the fix...
Has anyone already tested qemu 0.12.4? If this didn't fix it, the bug
might still exist in the new qemu version.
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I filed bug #591610 which may well be a dupe of this bug. I ran a test
overnight (as described in that bug) and I still see the same
significant leaking as before
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Thanks for the patch :)
I've installed the patched version on two production nodes here. I will
have the results in a few days probably.
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** Branch linked: lp:ubuntu/lucid-proposed/qemu-kvm
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Accepted into lucid-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Tags added: verification-needed
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ACK from sru team
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It's still in the queue at:
https://edge.launchpad.net/ubuntu/lucid/+queue?queue_state=1&queue_text=
The bzr branch isn't working, but that's no matter.
We just need to get an archive admin sru team member to accept the
package for proposed.
Dustin
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I'm not familiar with Ubuntu Package Managment but it seems there are
some problems to upload the package to lucid
https://code.launchpad.net/~serge-hallyn/ubuntu/lucid/qemu-kvm/memleak-
fix2/+merge/27644
Hope this gets fixed soon, I have to restart some virtual machines every
few days to keep th
Dustin: has that package been uploaded? I don't see it yet
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I have also sponsored Serge's change:
qemu-kvm_0.12.3+noroms-0ubuntu9.1_source.changes
This should be available in lucid-proposed eventually. Please test
there and let us know if this fixes your problem, and then we can get it
promoted to lucid-updates.
Thanks.
** Changed in: qemu-kvm (Ubuntu L
Marking Maverick task fix-released, as this should be in the qemu-kvm
0.12.4 upload that was just pushed to Maverick.
** Also affects: qemu-kvm (Ubuntu Lucid)
Importance: Undecided
Status: New
** Also affects: qemu-kvm (Ubuntu Maverick)
Importance: Medium
Assignee: Serge Hallyn
** Description changed:
Binary package hint: qemu-kvm
Ubuntu release: 10.04 LTS
Package version: 0.12.3+noroms-0ubuntu9
There seems to be a huge memory leak in qemu/kvm 0.12.3. After a while,
a virtual machine is using much more memory on the host system, than
actually is in use
Bug #591610 is possibly a duplicate.
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Hi Serge,
Assigning this to you. Should be really straightforward to fix. Ping
me on IRC, and I'll walk you through it.
Thanks!
** Changed in: qemu-kvm (Ubuntu)
Status: Incomplete => Triaged
** Changed in: qemu-kvm (Ubuntu)
Assignee: (unassigned) => Serge Hallyn (serge-hallyn)
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Same problem here. Also the servers which write much a more affected.
As far as I see this commit should fix it.
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=7eb58a6c556c3880e6712cbf6d24d681261c5095
Ubuntu Server Team, can you please test and backport this?
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The guests are running Debian Lenny with the default 2.6.26 kernel or
Ubuntu 10.04 LTS with the default 2.6.32 kernel.
They are doing different things, but mostly webserving tasks.
The strange thing is, one of the virtual servers is running an
Exim/Spamassassin based spam checking gateway. And th
Could you outline what type of guest are causing the leak? What are the
guest doing?
** Changed in: qemu-kvm (Ubuntu)
Importance: Undecided => Medium
** Changed in: qemu-kvm (Ubuntu)
Status: New => Incomplete
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