*** This bug is a duplicate of bug 1518457 ***
https://bugs.launchpad.net/bugs/1518457
** This bug has been marked a duplicate of bug 1518457
kswapd0 100% CPU usage
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h
Update: Even with no swap (partition/file) attached the kswapd0 is
generating 100% cpu load.
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https://bugs.launchpad.net/bugs/1476211
Title:
kswapd takes 100% CPU although
After upgrading to Xubuntu 15.10 on 2 home server boxes I am
experiencing a similar problem: kswapd0 uses 99,9% of CPU. The only way
to make it stop is to issue the swapoff command. When I try to issue
swapon again it automatically produces 99,9% of CPU load again. (Even if
the swap isn’t getting f
I am on xbuntu 15.10 and this affected me after I upgraded. I have 16GB
ram and kswapd kicks in, locks it up for 10 - 30 seconds multiple times
an hour. vmstat 5 shows:
1 0 1208112 569056 69376 70190320084 347 1634 2951 25 1 73 0 0
2 0 1208072 164192 2212 6619100 146
This is still the case in Ubuntu 15.10.
It would really be cool if this could be fixed, because it causes data loss and
regularly interrupts my work. I cannot imagine this same software runs on
servers, IoT and systems that need reliability.
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I have similar behaviour on my Ubuntu 15.04, Intel Atom D2500 Dual LAN,
Dual COM Fanless Mini-ITX PC with 4 GB RAM and 128 GB SSD.
In few days after reboot kswapd0 starts to take 100% CPU (see
highlighted row here
https://gist.github.com/SamSoldatenko/83eaf196721bc51d7d55#file-
gistfile1-txt-L29
** Tags removed: bios-outdated-76cn43ww
** Tags added: latest-bios-76cn43ww
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https://bugs.launchpad.net/bugs/1476211
Title:
kswapd takes 100% CPU although there is no swap
[[Ubuntu does not provide an update path for (these) Lenovo BIOS. Maybe
it would be nice to have a solution for this as well, to avoid users
being bound to buggy and outdated BIOS. To add, the given instructions
to the wiki seem very abandonned and do not (not all) apply to nowadays
ROMs of >10MB.
Andreas E., as per http://support.lenovo.com/us/en/products/laptops-and-
netbooks/yoga-series/yoga-2-pro-lenovo an update to your computer's
buggy and outdated BIOS is available (76CN43WW). If you update to this
following https://help.ubuntu.com/community/BIOSUpdate does it change
anything?
If it
I put 4.2.0-040200rc3-generic under RAM stress. I still can not get to
over 5GB (of 8GB) before kswapd turns the system unusable.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix th
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