** Description changed:
One display turns off when both outputs are set to [email protected]. They both
still work separately on that rate.
Forcing the one to "[email protected]" is functioning as a work-around.
The good kernel version was linux_3.19.0-21.21.
This Problem occurred in kernel linux_3.19.0-22.22 and linux_3.19.0-23.24.
GPU is: Radeon HD 6670 using the radeon open source driver.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-23-generic 3.19.0-23.24
ProcVersionSignature: Ubuntu 3.19.0-23.24-generic 3.19.8-ckt2
Uname: Linux 3.19.0-23-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: andreas 3695 F.... pulseaudio
- /dev/snd/controlC1: andreas 3695 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: andreas 3695 F.... pulseaudio
+ /dev/snd/controlC1: andreas 3695 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Jul 23 15:12:26 2015
HibernationDevice: RESUME=UUID=4f0d7a88-5c8d-41c5-a44c-d195a257fd4e
InstallationDate: Installed on 2012-04-11 (1198 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IwConfig:
- eth0 no wireless extensions.
-
- lo no wireless extensions.
+ eth0 no wireless extensions.
+
+ lo no wireless extensions.
MachineType: Dell Inc. OptiPlex 755
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-23-generic
root=UUID=4acbdc21-f685-460d-a0dc-f86e6f346bf3 ro plymouth:debug splash quiet
drm.debug=0xe
RelatedPackageVersions:
- linux-restricted-modules-3.19.0-23-generic N/A
- linux-backports-modules-3.19.0-23-generic N/A
- linux-firmware 1.143.2
+ linux-restricted-modules-3.19.0-23-generic N/A
+ linux-backports-modules-3.19.0-23-generic N/A
+ linux-firmware 1.143.2
RfKill:
-
+
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-04-27 (87 days ago)
dmi.bios.date: 04/30/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 0GM819
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd04/30/2008:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0GM819:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.
+
+ -----
+
+ (From TJ):
+
+ $ xrandr -q
+ Screen 0: minimum 320 x 200, current 3600 x 1080, maximum 16384 x 16384
+ HDMI-0 connected primary 1680x1050+0+0 (normal left inverted right x axis y
axis) 477mm x 268mm
+ 1920x1080 60.0 + 50.0 59.9 60.0
+ 1920x1080i 60.1 50.0 60.0
+ 1600x1200 60.0
+ 1680x1050 59.9*
+ 1280x1024 75.0 60.0
+ 1440x900 59.9
+ 1280x960 60.0
+ 1366x768 59.8
+ 1152x864 75.0
+ 1280x720 60.0 50.0 59.9
+ 1024x768 75.1 70.1 60.0
+ 832x624 74.6
+ 800x600 72.2 75.0 60.3 56.2
+ 720x576 50.0
+ 720x480 60.0 59.9
+ 640x480 75.0 72.8 66.7 60.0 59.9
+ 720x400 70.1
+ DVI-0 connected 1920x1080+1680+0 (normal left inverted right x axis y axis)
477mm x 268mm
+ 1920x1080 60.0*+
+ 1280x1024 75.0 60.0
+ 1152x864 75.0
+ 1024x768 75.1 60.0
+ 800x600 75.0 60.3
+ 640x480 75.0 60.0
+ 720x400 70.1
+ VGA-0 disconnected (normal left inverted right x axis y axis)
+
+ # workaround
+ $ xrandr --output HDMI-0 --mode 1920x1080 --rate 59.9
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Description changed:
One display turns off when both outputs are set to [email protected]. They both
still work separately on that rate.
Forcing the one to "[email protected]" is functioning as a work-around.
The good kernel version was linux_3.19.0-21.21.
This Problem occurred in kernel linux_3.19.0-22.22 and linux_3.19.0-23.24.
GPU is: Radeon HD 6670 using the radeon open source driver.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-23-generic 3.19.0-23.24
ProcVersionSignature: Ubuntu 3.19.0-23.24-generic 3.19.8-ckt2
Uname: Linux 3.19.0-23-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andreas 3695 F.... pulseaudio
/dev/snd/controlC1: andreas 3695 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Jul 23 15:12:26 2015
HibernationDevice: RESUME=UUID=4f0d7a88-5c8d-41c5-a44c-d195a257fd4e
InstallationDate: Installed on 2012-04-11 (1198 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. OptiPlex 755
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-23-generic
root=UUID=4acbdc21-f685-460d-a0dc-f86e6f346bf3 ro plymouth:debug splash quiet
drm.debug=0xe
RelatedPackageVersions:
linux-restricted-modules-3.19.0-23-generic N/A
linux-backports-modules-3.19.0-23-generic N/A
linux-firmware 1.143.2
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-04-27 (87 days ago)
dmi.bios.date: 04/30/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 0GM819
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd04/30/2008:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0GM819:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.
-----
(From TJ):
$ xrandr -q
Screen 0: minimum 320 x 200, current 3600 x 1080, maximum 16384 x 16384
HDMI-0 connected primary 1680x1050+0+0 (normal left inverted right x axis y
axis) 477mm x 268mm
- 1920x1080 60.0 + 50.0 59.9 60.0
- 1920x1080i 60.1 50.0 60.0
- 1600x1200 60.0
- 1680x1050 59.9*
- 1280x1024 75.0 60.0
- 1440x900 59.9
- 1280x960 60.0
- 1366x768 59.8
- 1152x864 75.0
- 1280x720 60.0 50.0 59.9
- 1024x768 75.1 70.1 60.0
- 832x624 74.6
- 800x600 72.2 75.0 60.3 56.2
- 720x576 50.0
- 720x480 60.0 59.9
- 640x480 75.0 72.8 66.7 60.0 59.9
- 720x400 70.1
+ 1920x1080 60.0 *+ 50.0 59.9 60.0
+ 1920x1080i 60.1 50.0 60.0
+ 1600x1200 60.0
+ 1680x1050 59.9
+ 1280x1024 75.0 60.0
+ 1440x900 59.9
+ 1280x960 60.0
+ 1366x768 59.8
+ 1152x864 75.0
+ 1280x720 60.0 50.0 59.9
+ 1024x768 75.1 70.1 60.0
+ 832x624 74.6
+ 800x600 72.2 75.0 60.3 56.2
+ 720x576 50.0
+ 720x480 60.0 59.9
+ 640x480 75.0 72.8 66.7 60.0 59.9
+ 720x400 70.1
DVI-0 connected 1920x1080+1680+0 (normal left inverted right x axis y axis)
477mm x 268mm
- 1920x1080 60.0*+
- 1280x1024 75.0 60.0
- 1152x864 75.0
- 1024x768 75.1 60.0
- 800x600 75.0 60.3
- 640x480 75.0 60.0
- 720x400 70.1
+ 1920x1080 60.0*+
+ 1280x1024 75.0 60.0
+ 1152x864 75.0
+ 1024x768 75.1 60.0
+ 800x600 75.0 60.3
+ 640x480 75.0 60.0
+ 720x400 70.1
VGA-0 disconnected (normal left inverted right x axis y axis)
# workaround
$ xrandr --output HDMI-0 --mode 1920x1080 --rate 59.9
--
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https://bugs.launchpad.net/bugs/1477587
Title:
One black screen of two when both on 1080p60
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