Hi guys,
Ive changed the status to fix released by mistake. Can you please revert
it back to confirmed ?
** Changed in: linux-ec2 (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/889012
Title:
CPU time incorrect in 10.04
Status in linux-ec2 package in Ubuntu:
Fix Released
Bug description:
I want to report that the CPU time bug is still present in the
following kernel
2.6.32-317-ec2 on AWS instance m1.large
with CPU
model name : Intel(R) Xeon(R) CPU E5507 @ 2.27GHz
I logged the output of ps every minute and I can now show the bug
happening, as you can see the CPU time originally at 35790:43 does get
corrupted and the next minute jumps at 17179869:11 to reach
29322904:44 1 minute later
www-data 8269 31.3 9.2 853516 725496 ? Sl Aug23 35789:36
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ...
www-data 8269 31.3 9.2 866128 731640 ? Sl Aug23 35790:09
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ...
www-data 8269 31.3 9.3 868704 738800 ? Sl Aug23 35790:43
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ...
www-data 8269 31.3 9.4 872964 742660 ? Sl Aug23 35791:17
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ...
www-data 8269 120093018 9.4 885060 748036 ? Sl Aug23 17179869:11
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ... www-data 8269 10652 9.3
868748 739144 ? Sl Aug23 29322904:44
/usr/local/lib/erlang/erts-5.8.4/bin/beam.smp -P ...
It took us around 3 months running this process at around 30% load to
reach this condition
Because of this problem the machine currently reports a load of 0 when
instead we know it should report between 20 and 40% depending by the
moment of the day.
Please let me know If I need to open a specific ticket for this issue.
Today we're going to upgrade to 2.6.32-319-ec2
thanks,
Paolo Negri
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