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[Bug 647721] [NEW] gem_objects are not released properly and generate memory overload

 

Public bug reported:

Binary package hint: xorg

Since I upgraded to Lucid, I'm very disappointed requiring rebooting oftenly my ubuntu because it is swapping even when I clause applications.
I could find the bug :
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/565981
that could help me confirming the GEM object problem :
it is very rare that the GEM object is decreasing

~$ lsb_release -rd
Description:	Ubuntu 10.04.1 LTS
Release:	10.04


~$ for t in `seq 1 10`; do eog /usr/share/backgrounds ; echo `grep "object bytes" /sys/kernel/debug/dri/0/gem_objects` `ps --noheaders ocomm,vsz,rss $(pidof X)`; done
283750400 object bytes Xorg 62380 33564
286527488 object bytes Xorg 62500 33644
298659840 object bytes Xorg 62628 33748
315432960 object bytes Xorg 61296 32896
324706304 object bytes Xorg 61800 33192
320221184 object bytes Xorg 61308 32896
316194816 object bytes Xorg 61744 33124
316043264 object bytes Xorg 61324 32912
368922624 object bytes Xorg 61452 33052
529395712 object bytes Xorg 62208 33436
ggg@mal-ggg:~$ for t in `seq 1 10`; do eog /usr/share/backgrounds ; echo `grep "object bytes" /sys/kernel/debug/dri/0/gem_objects` `ps --noheaders ocomm,vsz,rss $(pidof X)`; done
524111872 object bytes Xorg 61816 33032
619806720 object bytes Xorg 63120 34772
627335168 object bytes Xorg 63120 34832
667774976 object bytes Xorg 63112 34732

1115537408 object bytes Xorg 69432 29860
1131642880 object bytes Xorg 69200 29960
1136885760 object bytes Xorg 69200 30056
1140547584 object bytes Xorg 69200 30064
1129865216 object bytes Xorg 69200 30064
1138712576 object bytes Xorg 69200 30064
ggg@mal-ggg:~$

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Sat Sep 25 20:41:41 2010
DkmsStatus:
 vboxnetflt, 3.2.8, 2.6.32-24-generic, i686: installed 
 vboxnetadp, 3.2.8, 2.6.32-24-generic, i686: installed 
 vboxdrv, 3.2.8, 2.6.32-24-generic, i686: installed
MachineType: FUJITSU SIEMENS LIFEBOOK S7210
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   product info: "O2Micro", "SmartCardBus Reader", "V1.0", ""
   manfid: 0xffff, 0x0001
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   5.0V 16-bit PC Card
   Subdevice 0 (function 0) [unbound]
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=343f1837-eee7-45e4-8f24-9e9d050b05d6 ro quiet splash
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.utf8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 08/20/2008
dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd.
dmi.bios.version: Version 1.09
dmi.board.name: FJNB1DB
dmi.board.vendor: FUJITSU
dmi.chassis.type: 10
dmi.chassis.vendor: FUJITSU SIEMENS
dmi.chassis.version: S7210
dmi.modalias: dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvrVersion1.09:bd08/20/2008:svnFUJITSUSIEMENS:pnLIFEBOOKS7210:pvr:rvnFUJITSU:rnFJNB1DB:rvr:cvnFUJITSUSIEMENS:ct10:cvrS7210:
dmi.product.name: LIFEBOOK S7210
dmi.sys.vendor: FUJITSU SIEMENS
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-24-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

-- 
gem_objects are not released properly and generate memory overload
https://bugs.launchpad.net/bugs/647721
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