Summary:
Tried 3.11rc7, very happy with how it behaved in our testing. Tried
this week's 3.12rc5, disappointed that a step backwards was taken
on that one for us. The difference for us was in the low memory killer
that was configured in the 3.11rc7 build but not the 3.12rc5 system.
Details
Christopher, its looks like I actually have a reasonable record of the
VMWare version I was using for this reproduction despite having
regularly updated my VMWare. . The VMWare installer has a log that
shows that at the time of the reproduction/report here I was running the
VMWare vmplayer 4.0.4
** Tags removed: kernel-bug-exists-upstream
** Tags added: kernel-bug-exists-upstream-v3.9-rc2
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https://bugs.launchpad.net/bugs/1154876
Title:
3.2.0-38 and earlier systems hang with
Marc Hasson, could you please test the latest upstream kernel available
following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow
additional upstream developers to examine the issue. Please do not test the
daily folder, but the one all the way at the bottom. Once you've tested the
Christopher, I did such a test back in March upon request with no response
to my testing results then. Nor *any* activity, until your recent notes.
Do we have any specific reason or bugfix to believe that this memory issue
has been addressed since then? Will I get at least a response this time
** Description changed:
Background
We've been experiencing mysterious hangs on our 2.6.38-16 Ubuntu 10.04
systems in the field. The systems have large amounts of memory and disk,
along with up to a couple dozen CPU threads. Our operations folks have
to power-cycle the machines to
Marc Hansson, could you please provide the full VMWare product version
you are utilizing?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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So, its been many weeks without any kind of acknowledgement of either my
previous note in this bug from March nor the 10.04 variant I filed in
bug #1161202 for the 10.04 base.
Is there any way to get a response of anything further to do on these
matters? You guys have the scripts/description and
** Tags added: kernel-bug-exists-upstream
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Title:
3.2.0-38 and earlier systems hang with heavy memory usage
To manage notifications about this
My testing on the 3.9 kernel has been underway since the note above, its
surpassed 11 days of running the loads from the scripts attached, and
even higher. The previous 3.2 and 3.5 kernel testing never exceeded 4.5
days before hanging solidly, and usually were less.
So, the 3.9 kernel appears to
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.9 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
If this bug is fixed in the
Sure Joseph, in progress. I have the 3.9 kernel you referenced now
running my tests on my 12.04 system. Its so far behaving normally, it
will likely take a few days to know whether there is any difference as
far as the hang is concerned.
Just for the record, I had previously tested with: linux-
** Attachment added: boot up messages until standard running state of OOMs
spew out
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573090/+files/console_boot_output.txt
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** Attachment added: dmesg file from boot, mostly duplicates start of
console_boot_output.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573109/+files/dmesg_of_boot.txt
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** Attachment added: last messages on serial console when system hung
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573110/+files/console_last_output.txt
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** Attachment added: kdb session demo'ing where system is spinning
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573111/+files/console_kdb_session.txt
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** Attachment added: Machine environment and script/data used in our testbed
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573112/+files/reproduction_info.txt
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** Attachment added: Requested version.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573113/+files/version.log
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** Attachment added: Requested lspci-vnvn.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154876/+attachment/3573114/+files/lspci-vnvn.log
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