Public bug reported:
Same defect as old Bug #318325
same hardware as Bug #1333697
System : Ubuntu 15.10 "wily"
GPU : ATI express X1100
Video driver : radeon
Steps to reproduce :
- choose suspend
- resume from ram
=> the screen will flicker while CPU activity is not high
workaround :
- launch an infinite loop that consume CPU : $ while true; do echo >/dev/null;
done
=> the screen won't flicker while the CPU is busy
Launching this old laptop from a live "wily" 15.10 desktop image, but it
was running up-to-date "trusty" 14.04. I even updated to the latest HWE
kernel & packages just in case there's been some change but it still has
the bug.
[On a lark I found a git repository for hacking the radeon driver but I
don't even know C so I would need a lot of assistance to figure THAT
out.]
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.19.1-0ubuntu3
Architecture: i386
CasperVersion: 1.365
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Wed Mar 2 20:00:24 2016
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200]
[1002:5975] (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device [1025:009f]
LiveMediaBuild: Ubuntu 15.10 "Wily Werewolf" - Release i386 (20151021)
Lsusb:
Bus 001 Device 002: ID 0951:160b Kingston Technology
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Acer Aspire 5100
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true
file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet
splash --- BOOT_IMAGE=/casper/vmlinuz
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/22/2008
dmi.bios.vendor: Acer
dmi.bios.version: V3.13
dmi.board.name: Navarro
dmi.board.vendor: Acer
dmi.board.version: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAcer:bvrV3.13:bd08/22/2008:svnAcer:pnAspire5100:pvrV3.13:rvnAcer:rnNavarro:rvrN/A:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5100
dmi.product.version: V3.13
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Wed Mar 2 13:50:49 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.2-1ubuntu9
xserver.video_driver: radeon
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug compiz-0.9 i386 radeon resume trusty ubuntu wily
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https://bugs.launchpad.net/bugs/1552417
Title:
[X1100] Flickering after resume from RAM
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