Public bug reported:
I'm not sure if this is a problem with the plasmashell executable
itself, or the the nvidia libraries, or perhaps plasmashell not
interacting with the nvidia libraries correctly, but for the past
several months I've noticed that the memory usage of plasmashell creeps
slowly and consistently upward the longer it is running.
This is at the level for me that within a day or two after (re)starting
it, it is taking up all of my 12 gigs of ram and my my swap space
engages and my system starts thrashing to the point that it takes
minutes to get to a console to killall plasmashell. If I'm not sure if
I'll even get to that point, I do SysRq+F (Sometimes it locks up
completely -- presumably due to a kernel panic -- if I don't catch the
extensive thrashing before too long, but that's a secondary issue.)
This problem began several months ago (I was sort of expecting someone
would quickly patch it, so I lived with it for a bit) so unfortunately I
can't point to a specific version number. I did run apport-valgrind on
plasmashell (output to be attached), which is what implicates the nvidia
drivers.
Happy to provide any additional information requested or to try other
versions of these applications.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: plasma-workspace 4:5.10.5-0ubuntu1 [modified:
usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/lockscreen/LockScreenUi.qml]
ProcVersionSignature: Ubuntu 4.13.0-37.42-generic 4.13.13
Uname: Linux 4.13.0-37-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CurrentDesktop: KDE
Date: Mon Mar 19 15:48:15 2018
InstallationDate: Installed on 2012-01-06 (2264 days ago)
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
SourcePackage: plasma-workspace
UpgradeStatus: Upgraded to artful on 2014-12-03 (1202 days ago)
** Affects: nvidia-graphics-drivers-384 (Ubuntu)
Importance: Undecided
Status: New
** Affects: plasma-workspace (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful
** Attachment added: "apport-valgrind Log"
https://bugs.launchpad.net/bugs/1756997/+attachment/5084456/+files/valgrind.24972.log
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https://bugs.launchpad.net/bugs/1756997
Title:
plasmashell leaks memory uncontrollably
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