Screen garbled after changing display settings
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xserver-xorg-video-ati (Ubuntu) |
Invalid
|
Medium
|
Unassigned |
Bug Description
On my dual-monitor setup, changing the display settings to turn off the secondary display results in the main display becoming entirely garbled and unusable. Waiting for the 20 seconds to elapse causes the configuration to revert to the previous configuration, but then both screens are garbled and unusable until I switch to a virtual terminal and run "sudo service lightdm restart".
The effect can be observed in the following video: https:/
I am using a Radeon R7 260X, with the open-source radeonsi driver.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSign
Uname: Linux 3.19.0-12-generic x86_64
.tmp.unity.
ApportVersion: 2.17-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
CurrentDesktop: Unity
Date: Sun Apr 5 17:01:37 2015
DistUpgraded: 2015-03-27 18:17:09,531 DEBUG enabling apt cron job
DistroCodename: vivid
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Bonaire XTX [Radeon R7 260X] [1002:6658] (prog-if 00 [VGA controller])
Subsystem: VISIONTEK Device [1545:7260]
InstallationDate: Installed on 2014-06-06 (302 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Gigabyte Technology Co., Ltd. GA-970A-D3
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to vivid on 2015-03-27 (8 days ago)
dmi.bios.date: 12/16/2013
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F13b
dmi.board.name: GA-970A-D3
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:bvnAwardSof
dmi.product.name: GA-970A-D3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.59-0ubuntu1
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Sun Apr 5 17:00:57 2015
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.1-0ubuntu3
xserver.
affects: | xorg (Ubuntu) → xserver-xorg-video-ati (Ubuntu) |
I booted up into the latest Kubuntu 15.04 daily build, and while the corruption still occurs when changing display settings, unlike Unity it seems to recover afterwards (the background gets messed up as you can see from the video, but at least the desktop remains usable): https:/ /www.dropbox. com/s/cganqpegy gseo6r/ VID_20150408_ 182602. mp4?dl= 0