X leaks memory and becomes unusable

Bug #971231 reported by Volodymyr Kolesnykov
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
xorg (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

Fri Mar 30 20:03:34 EEST 2012
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3796 5.6 2.5 324332 201156 tty7 Ss+ 18:42 4:33 /usr/bin/X :0 vt7 -br -nolisten tcp -auth /var/run/xauth/A:0-a5D6Lb

Sat Mar 31 00:04:42 EEST 2012
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3796 4.4 4.3 465016 347876 tty7 Rs+ Mar30 14:18 /usr/bin/X :0 vt7 -br -nolisten tcp -auth /var/run/xauth/A:0-a5D6Lb

Sat Mar 31 01:48:55 EEST 2012
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3796 6.0 4.3 462696 345348 tty7 Rs+ Mar30 25:41 /usr/bin/X :0 vt7 -br -nolisten tcp -auth /var/run/xauth/A:0-a5D6Lb

Sun Apr 1 00:09:40 EEST 2012
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3796 6.1 9.4 861188 746228 tty7 Rs+ Mar30 108:43 /usr/bin/X :0 vt7 -br -nolisten tcp -auth /var/run/xauth/A:0-a5D6Lb

Mon Apr 2 05:40:19 EEST 2012
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3796 24.0 17.1 1482412 1360692 tty7 Rs+ Mar30 850:28 /usr/bin/X :0 vt7 -br -nolisten tcp -auth /var/run/xauth/A:0-a5D6Lb

RSS of X grows, the system becomes unresponsive.

This did not happen in Oneiric.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xserver-xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Mon Apr 2 05:42:48 2012
ProcEnviron:
 LANGUAGE=en
 SHELL=/bin/bash
 TERM=xterm
 LANG=ru_UA.UTF-8
SourcePackage: xorg
UpgradeStatus: Upgraded to precise on 2012-03-18 (14 days ago)

Revision history for this message
Volodymyr Kolesnykov (sjinks) wrote :
Revision history for this message
Timo Aaltonen (tjaalton) wrote :

It's some X client doing that, like the browser or such. The server process just shows how much pixmem the apps have reserved.

Changed in xorg (Ubuntu):
status: New → Invalid
Revision history for this message
Volodymyr Kolesnykov (sjinks) wrote :

Is there any way to debug it? I closed all apps I could (including KWin and plasma-desktop) and expected X's RSS to decrease but it did not.

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