https://bugs.kde.org/show_bug.cgi?id=414132
Bug ID: 414132
Summary: Plasma 5.12 causes memory leak in Xorg not freeing
pixmap memory
Product: plasmashell
Version: 5.12.8
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: dmitriew...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
Created attachment 123918
--> https://bugs.kde.org/attachment.cgi?id=123918&action=edit
xrestop
SUMMARY
Plasmashell is causing gradual memory consumption by /usr/bin/X process.
In two days of Plasma session runtime it takes more than 1.2Gb of RSS by X
process. As you can see in the attachment for xrestop, this is caused by
gradually growing pixmap memory. The memory consumption is growing over days
until full available memory is accupied, then X system crashes, because of
earlyoom kills this process.
Some output:
$> ps l -p 1753
F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
4 0 1753 1734 20 0 1817008 1317112 - Ssl+ tty7 223:55 /usr/bin/X
-nolisten tcp -auth /run/sddm/{ccc...} -background none -noreset -displayfd 18
-seat seat0 vt7
$> ps l -p 16883
F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
0 1000 16883 1 20 0 5631924 329984 SyS_po Sl ? 18:41
/usr/bin/plasmashell
STEPS TO REPRODUCE
1. Run X11 KDE5 session for days without logout
2. Usual use of KDE session with small and amount of apps opened
3. Memory consumption will grow gradually over days.
OBSERVED RESULT
Constantly growing memory consumption.
EXPECTED RESULT
Fixed pixmap memory consumption by plasmashell.
SOFTWARE/OS VERSIONS
Linux: Linux 4.12.14-lp151.28.25-default #1 SMP Wed Oct 30 08:39:59 UTC 2019
(54d7657) x86_64 x86_64 x86_64 GNU/Linux
KDE Plasma Version: 5.12.8
KDE Frameworks Version: 5.55.0
Qt Version: 5.9.7
ADDITIONAL INFORMATION
I am using openSUSE Leap 15.1 with standard set of KDE packages, provided from
default distributive repository.
X session is Running on laptop with 32Gb RAM and Intel Graphics and OpenGL
enabled.
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