Robke Geenen, the issue you are reporting is an upstream one. Could you please
report this problem via
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Driver/Radeon
:
Version: 7.7 (2011)
Please provide a direct URL to your bug report once you have made it so
that it may be tracked.
Thank you for your understanding.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1199409
Title:
Xrandr twitches when using DVI-VGA adapter via triple AMD card setup
Status in “xserver-xorg-video-ati” package in Ubuntu:
Triaged
Bug description:
What I expected to happen is a normal picture on all four of my
monitors.
What happened instead xrandr will twitch when using a DVI-VGA adapter via
ubuntu 12.04-14.04:
lspci | grep VGA
01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880
[Radeon HD 4250]
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV610
[Radeon HD 2400 PRO]
06:06.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] (rev 02)
fglrx-* in Precise did not recognize all my cards so I was unable to test it.
The IGP is connected via DVI to a 24" monitor and via VGA to a 17" monitor, all
good so far. Then I have three monitors left, two 15" VGA and one 17" vga, so
to use all monitors, I have to use one DVI-VGA adapter. No matter in what
order/combination I connect the monitors to the video cards, the monitor that
is connected via the adapter always flickers along with the other monitor on
that same card (does not matter which card). It seems like the two monitors
have two sperate framebuffers, but by default they both show the framebuffer
for the monitor with adapter, but when I move the mouse they switch rapidly
from that framebuffer to the other and back.
Here are three video's showing the problem:
http://www.youtube.com/watch?v=tQiJADHGuZg (Top-Right monitor connected via
adapter, in the same card as Bottom-Right)
http://www.youtube.com/watch?v=lk9muK8f06c (Top-Left monitor connected via
adapter, in the same card as Bottom-Right)
http://www.youtube.com/watch?v=6Ses1jUcu2k (Top-Left monitor connected via
adapter, in the same card as Top-Right)
I think it's a xrandr problem because using the same setup with
zaphodhead mode and xinerama, it works but its EXTREMELY slow.
I have already tried another DVI-VGA adapter, but with the same results.
Another strange thing is that xrandr seems to think that two monitors are
clones, but one of which is not connected. xrandr --verbose log:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1199409/+attachment/3944844/+files/xrandr%20--verbose
I have cut out the various supported modes, the full xrandr --verbose output
is attached.
As you see, VGA-2 and DVI-1 apparently are clones, but in this case only
VGA-2 is connected, I don't know if that is normal. I now have connected two
monitors (both 15") to VGA-2 and DVI-1, and the xrandr output has not changed,
it still shows VGA-2 and DVI-1 as cloned, but the two displays still twitch as
in the video's...
---
.tmp.unity.support.test.0:
ApportVersion: 2.12.7-0ubuntu3
Architecture: amd64
CasperVersion: 1.336ubuntu1
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
DistUpgraded: Fresh install
DistroCodename: trusty
DistroRelease: Ubuntu 14.04
DistroVariant: ubuntu
ExtraDebuggingInterest: No
LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140105)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
MarkForUpload: True
Package: xorg 1:7.7+1ubuntu7
PackageArchitecture: amd64
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper
initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
Tags: third-party-packages trusty ubuntu reproducible compiz-0.9
Uname: Linux 3.12.0-7-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 12/06/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: 880GMH/USB3.
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd12/06/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rn880GMH/USB3.:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.50-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.10-1ubuntu1
xserver.bootTime: Thu Jan 9 22:35:33 2014
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input GASIA PS2toUSB Adapter KEYBOARD, id 8
input GASIA PS2toUSB Adapter KEYBOARD, id 9
input AT Translated Set 2 keyboard KEYBOARD, id 10
xserver.errors:
RADEON(G0): [XvMC] Failed to initialize extension.
RADEON(G1): [XvMC] Failed to initialize extension.
RADEON(G1): failed to set mode: No space left on devicehave a master to look
out for
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.5-1ubuntu2
xserver.video_driver: radeon
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