http://kernel.ubuntu.com/git/ubuntu/ubuntu-vivid.git/log/?h=master-next
Seems this one has been commited after the -20 build :(
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https://bugs.launchpad.net/bugs/1338706
trusty + mainline kernel works like a charm, worker 2 and 3 are swapping
again...
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Title:
memory leak with unknown reason after
worker 01 now has trusty with a 3.19.0 mainline kernel:
root@cx1000-01:~# cat /etc/issue
Ubuntu 14.04.1 LTS \n \l
root@cx1000-01:~# uname -a
Linux cx1000-01 3.19.0-031900rc4-generic #201501112135 SMP Sun Jan 11 21:36:48
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
root@cx1000-01:~#
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short summery:
worker01: trusty, unmodified = no problems
worker02: utopic, patched perl = massive swap use
worker03: utopic, mainline kernel (3.18.2-031802-generic #201501082011) =
massive swap use
what should we do next? boot the utopic or mainline kernel on trusty?
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worker 01 has been reinstalled with trusty
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Title:
memory leak with unknown reason after upgrade to utopic
Status in linux package
the bug also occurs with the upstream kernel
** Tags added: kernel-bug-exists-upstream
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Title:
memory leak with unknown reason
the upgraded bios didn't helped, system just starts to swap again
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Title:
memory leak with unknown reason after upgrade to utopic
the trusty kernel didn't helped at all.
worker 03 has been updated to mainline kernel:
root@cx1000-03:~# uname -a
Linux cx1000-03 3.18.0-031800-generic #201412071935 SMP Mon Dec 8 00:36:34 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
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bios of worker 03 has been updated to 6.00.1.13:
[0.00] DMI: FUJITSU PRIMERGY CX122 S1
/D2899, BIOS 6.00 Rev. 1.13.2899.A1 01/19/2012
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Public bug reported:
I'm not sure if this is the right component/package. We are not able to
identify a package/program which could be responsible for this bug, so
we assume it is the kernel or at least a kernel configuration.
Since the upgrade from trusty to utopic at October 27., our three
** Attachment added: munin cpu
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1401817/+attachment/4279329/+files/cpu.png
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sorry, typo: ...so please DON'T hesitate to ask for any information or
help.
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Title:
memory leak with unknown reason after upgrade
** Attachment added: munin processes
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1401817/+attachment/4279330/+files/processes.png
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here is the top output:
top - 17:56:06 up 1 day, 8:48, 1 user, load average: 0.00, 2.67, 14.10
Tasks: 269 total, 1 running, 268 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49452964 total, 45681296 used, 3771668
and another one with corresponding ps aux:
top - 18:04:02 up 1 day, 8:56, 1 user, load average: 0.04, 0.80, 8.61
Tasks: 269 total, 1 running, 268 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49452964 total,
top after some hours of idle:
top - 22:37:02 up 1 day, 13:29, 1 user, load average: 0.00, 0.01, 0.05
Tasks: 268 total, 3 running, 265 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.6 us, 0.3 sy, 0.0 ni, 98.7 id, 0.4 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49452964 total, 45896468 used,
root@cx1000-02:~# free
total used free sharedbuffers cached
Mem: 49452964 20993700 284592649296160 19588 19612676
-/+ buffers/cache:1361436 48091528
Swap: 50320380 15316644 35003736
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top after stopping the buildservice:
top - 22:37:55 up 1 day, 13:30, 1 user, load average: 0.00, 0.01, 0.05
Tasks: 245 total, 2 running, 243 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49452964 total, 45567572
top after unmounting the big ramdisk:
top - 22:39:08 up 1 day, 13:31, 1 user, load average: 0.05, 0.03, 0.05
Tasks: 245 total, 1 running, 244 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49452964 total, 20996188
top directly after reboot (of another, identical system):
top - 22:51:44 up 2 min, 1 user, load average: 0.53, 0.72, 0.32
Tasks: 258 total, 1 running, 257 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.1 us, 0.0 sy, 0.0 ni, 99.9 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 49453024
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