** Changed in: compiz
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/914773
Title:
[radeon] Compiz memory leak and blank screen unable to login when
using radeon driver
Status in Compiz:
In Progress
Status in Compiz 0.9.8 series:
Confirmed
Status in Compiz Core:
Confirmed
Status in “compiz” package in Ubuntu:
Confirmed
Status in “mesa” package in Ubuntu:
Confirmed
Bug description:
The issue appears to be that radeon's implementation of
glXWaitVideoSyncSGI (from libgl1-mesa-glx) hangs and leaks X events
while the screen is locked and asleep. The leak is around 200 bytes
(one XEvent) per frame or about 12.5KB per second.
It is most noticeable if some application is continuously redrawing during
this time. But only if the application itself does not sync to vblank. For
example: KVM, QEMU or:
env vblank_mode=0 glxgears
WORKAROUNDS:
1. Before leaving/locking the PC run ccsm, and in the OpenGL section
disable "Sync To VBlank".
2. Before leaving/locking the PC, minimize all active windows.
3. Install fglrx driver from AMD/ATI. But then you'll have bug 969860.
ORIGINAL DESCRIPTION:
There are two issues.
Compiz has a memory leak so it expands to take up all memory plus swap
(12 + 4 gig)
Unity shows a blank screen and does not come up with a login prompt,
only the mouse pointer is displayed.
ctl+alt F1 works so you can get into a console and create the attached
bug report. This was after killing vviewer and before restarting
lightdm
I was running KVM and vviewer as well and killed vviewer but still did not
get get login screen
Killed compiz which freed the memory still did not get login screen
had to restart lightdm to get back into Unity and restart everything.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: unity 4.24.0-0ubuntu2b1
ProcVersionSignature: Ubuntu 3.1.0-2.6-generic 3.1.0
Uname: Linux 3.1.0-2-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission
denied
Date: Wed Jan 11 13:16:58 2012
DistUpgraded: Log time: 2011-10-17 17:02:13.788852
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
ATI Technologies Inc Cedar PRO [Radeon HD 5450] [1002:68f9] (prog-if 00 [VGA
controller])
Subsystem: Micro-Star International Co., Ltd. Device [1462:2341]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: Gigabyte Technology Co., Ltd. H67M-UD2H-B3
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.1.0-2-generic
root=UUID=75185a0a-ffd1-4a37-9bda-52f17a050b24 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to oneiric on 2011-10-17 (85 days ago)
dmi.bios.date: 02/22/2011
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F2
dmi.board.name: H67M-UD2H-B3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd02/22/2011:svnGigabyteTechnologyCo.,Ltd.:pnH67M-UD2H-B3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH67M-UD2H-B3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: H67M-UD2H-B3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
version.ia32-libs: ia32-libs 20090808ubuntu26
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.15.901-1ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110411+8378443-1
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