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Is this a dual monitor reset bug?
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)Does Unity work on Intel GMA x4500?Nvidia Dual monitor settings reset on bootUbuntu 14.04 Dual monitorDual Monitor IssueDual Monitor setup only displays on second monitorDual monitor configuration finicky and not savingHow to setup dual monitor?Xfce4 multi-graphic-card and multi-monitor: placement of desktop icons16.04 Dual monitor bug: one screen flickers, turns off randomlyDual monitor display problem
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My two displays are:
- Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display)
- External display (1920x1080)
A few minutes after I login to my dual monitor setup, it gets reset to mirror screens. If I restore the settings via the displays application, everything is fine.
On each reset, the following messages are written into /var/log/Xorg.0.log:
[ 60.852] (II) PM Event received: Capability Changed
[ 60.852] I830PMEvent: Capability change
[ 132.920] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 132.920] (II) intel(0): Printing DDC gathered Modelines:
[ 132.920] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 134.228] (II) intel(0): Allocated new frame buffer 1280x800 stride 5120, tiled
Whereas right on startup or manual resolution reset, /var/log/Xorg.0.log reports the expected frame buffer allocation:
[ 1562.382] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 1562.382] (II) intel(0): Printing DDC gathered Modelines:
[ 1562.382] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 1576.740] (II) intel(0): Allocated new frame buffer 3200x1080 stride 12800, tiled
Is Ubuntu 12.04 not compatible with my video card?
Can this be solved within Ubuntu?
I like its interface, but manually fiddling with resolution on every login is not bearable.
multiple-monitors display
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
bumped to the homepage by Community♦ 12 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
My two displays are:
- Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display)
- External display (1920x1080)
A few minutes after I login to my dual monitor setup, it gets reset to mirror screens. If I restore the settings via the displays application, everything is fine.
On each reset, the following messages are written into /var/log/Xorg.0.log:
[ 60.852] (II) PM Event received: Capability Changed
[ 60.852] I830PMEvent: Capability change
[ 132.920] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 132.920] (II) intel(0): Printing DDC gathered Modelines:
[ 132.920] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 134.228] (II) intel(0): Allocated new frame buffer 1280x800 stride 5120, tiled
Whereas right on startup or manual resolution reset, /var/log/Xorg.0.log reports the expected frame buffer allocation:
[ 1562.382] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 1562.382] (II) intel(0): Printing DDC gathered Modelines:
[ 1562.382] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 1576.740] (II) intel(0): Allocated new frame buffer 3200x1080 stride 12800, tiled
Is Ubuntu 12.04 not compatible with my video card?
Can this be solved within Ubuntu?
I like its interface, but manually fiddling with resolution on every login is not bearable.
multiple-monitors display
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
bumped to the homepage by Community♦ 12 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
My two displays are:
- Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display)
- External display (1920x1080)
A few minutes after I login to my dual monitor setup, it gets reset to mirror screens. If I restore the settings via the displays application, everything is fine.
On each reset, the following messages are written into /var/log/Xorg.0.log:
[ 60.852] (II) PM Event received: Capability Changed
[ 60.852] I830PMEvent: Capability change
[ 132.920] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 132.920] (II) intel(0): Printing DDC gathered Modelines:
[ 132.920] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 134.228] (II) intel(0): Allocated new frame buffer 1280x800 stride 5120, tiled
Whereas right on startup or manual resolution reset, /var/log/Xorg.0.log reports the expected frame buffer allocation:
[ 1562.382] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 1562.382] (II) intel(0): Printing DDC gathered Modelines:
[ 1562.382] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 1576.740] (II) intel(0): Allocated new frame buffer 3200x1080 stride 12800, tiled
Is Ubuntu 12.04 not compatible with my video card?
Can this be solved within Ubuntu?
I like its interface, but manually fiddling with resolution on every login is not bearable.
multiple-monitors display
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
My two displays are:
- Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display)
- External display (1920x1080)
A few minutes after I login to my dual monitor setup, it gets reset to mirror screens. If I restore the settings via the displays application, everything is fine.
On each reset, the following messages are written into /var/log/Xorg.0.log:
[ 60.852] (II) PM Event received: Capability Changed
[ 60.852] I830PMEvent: Capability change
[ 132.920] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 132.920] (II) intel(0): Printing DDC gathered Modelines:
[ 132.920] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 134.228] (II) intel(0): Allocated new frame buffer 1280x800 stride 5120, tiled
Whereas right on startup or manual resolution reset, /var/log/Xorg.0.log reports the expected frame buffer allocation:
[ 1562.382] (II) intel(0): EDID vendor "SEC", prod id 12869
[ 1562.382] (II) intel(0): Printing DDC gathered Modelines:
[ 1562.382] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz)
[ 1576.740] (II) intel(0): Allocated new frame buffer 3200x1080 stride 12800, tiled
Is Ubuntu 12.04 not compatible with my video card?
Can this be solved within Ubuntu?
I like its interface, but manually fiddling with resolution on every login is not bearable.
multiple-monitors display
multiple-monitors display
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
edited Apr 14 '13 at 1:42
Kevin Bowen
14.9k155971
14.9k155971
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
asked Apr 27 '12 at 20:16
TentreshTentresh
2112
2112
bumped to the homepage by Community♦ 12 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 12 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
I experienced a similar problem with Intel GM45 drivers.
Everything seemed to be fine after logging in, but as soon as I pressed the "super/windows key" or starting any application, the screen changed to "mirror" mode.
Setting it in the system settings or using xrandr to my desired setup made everything fine.
It seems that after log in, the capabilities of the graphics card/monitor change. I don't know exactly the cause, but it might have something to do with the "samsung tools" I use. Anyway, letting the script
sleep 10
xrandr --output LVDS1 --auto --primary
xrandr --output VGA1 --auto --above LVDS1
run on startup made everything fine
answered May 6 '12 at 12:57
mdmmdm
1
add a comment |
I am using intel xorg driver and can't get dual monitors (laptop + monitor) working. It worked fine in 11.10.
You could try deleting ~/.config/monitors.xml which didn't work for me although it did get my displays to mirror.
But maybe something went wrong in the upgrade. It may be worth backing up everything and doing a clean install of 12.04?
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
I experienced a similar problem with Intel GM45 drivers.
Everything seemed to be fine after logging in, but as soon as I pressed the "super/windows key" or starting any application, the screen changed to "mirror" mode.
Setting it in the system settings or using xrandr to my desired setup made everything fine.
It seems that after log in, the capabilities of the graphics card/monitor change. I don't know exactly the cause, but it might have something to do with the "samsung tools" I use. Anyway, letting the script
sleep 10
xrandr --output LVDS1 --auto --primary
xrandr --output VGA1 --auto --above LVDS1
run on startup made everything fine
answered May 6 '12 at 12:57
mdmmdm
1
add a comment |
I experienced a similar problem with Intel GM45 drivers.
Everything seemed to be fine after logging in, but as soon as I pressed the "super/windows key" or starting any application, the screen changed to "mirror" mode.
Setting it in the system settings or using xrandr to my desired setup made everything fine.
It seems that after log in, the capabilities of the graphics card/monitor change. I don't know exactly the cause, but it might have something to do with the "samsung tools" I use. Anyway, letting the script
sleep 10
xrandr --output LVDS1 --auto --primary
xrandr --output VGA1 --auto --above LVDS1
run on startup made everything fine
answered May 6 '12 at 12:57
mdmmdm
1
add a comment |
I experienced a similar problem with Intel GM45 drivers.
Everything seemed to be fine after logging in, but as soon as I pressed the "super/windows key" or starting any application, the screen changed to "mirror" mode.
Setting it in the system settings or using xrandr to my desired setup made everything fine.
It seems that after log in, the capabilities of the graphics card/monitor change. I don't know exactly the cause, but it might have something to do with the "samsung tools" I use. Anyway, letting the script
sleep 10
xrandr --output LVDS1 --auto --primary
xrandr --output VGA1 --auto --above LVDS1
run on startup made everything fine
answered May 6 '12 at 12:57
mdmmdm
1
I experienced a similar problem with Intel GM45 drivers.
Everything seemed to be fine after logging in, but as soon as I pressed the "super/windows key" or starting any application, the screen changed to "mirror" mode.
Setting it in the system settings or using xrandr to my desired setup made everything fine.
It seems that after log in, the capabilities of the graphics card/monitor change. I don't know exactly the cause, but it might have something to do with the "samsung tools" I use. Anyway, letting the script
sleep 10
xrandr --output LVDS1 --auto --primary
xrandr --output VGA1 --auto --above LVDS1
run on startup made everything fine
answered May 6 '12 at 12:57
mdmmdm
1
answered May 6 '12 at 12:57
mdmmdm
1
answered May 6 '12 at 12:57
mdmmdm
1
answered May 6 '12 at 12:57
mdmmdm
1
1
add a comment |
add a comment |
I am using intel xorg driver and can't get dual monitors (laptop + monitor) working. It worked fine in 11.10.
You could try deleting ~/.config/monitors.xml which didn't work for me although it did get my displays to mirror.
But maybe something went wrong in the upgrade. It may be worth backing up everything and doing a clean install of 12.04?
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
add a comment |
I am using intel xorg driver and can't get dual monitors (laptop + monitor) working. It worked fine in 11.10.
You could try deleting ~/.config/monitors.xml which didn't work for me although it did get my displays to mirror.
But maybe something went wrong in the upgrade. It may be worth backing up everything and doing a clean install of 12.04?
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
add a comment |
I am using intel xorg driver and can't get dual monitors (laptop + monitor) working. It worked fine in 11.10.
You could try deleting ~/.config/monitors.xml which didn't work for me although it did get my displays to mirror.
But maybe something went wrong in the upgrade. It may be worth backing up everything and doing a clean install of 12.04?
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
I am using intel xorg driver and can't get dual monitors (laptop + monitor) working. It worked fine in 11.10.
You could try deleting ~/.config/monitors.xml which didn't work for me although it did get my displays to mirror.
But maybe something went wrong in the upgrade. It may be worth backing up everything and doing a clean install of 12.04?
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
edited Apr 14 '13 at 1:44
Kevin Bowen
14.9k155971
14.9k155971
answered May 2 '12 at 12:30
user33302user33302
213
answered May 2 '12 at 12:30
user33302user33302
213
answered May 2 '12 at 12:30
user33302user33302
213
213
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
add a comment |
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
This was a clean install. I've noticed that this "PM capability change" also happens with just one monitor causing short flickering. But again, after flickering everything is fine. These two lines seem to indicate the cause (intel video driver): [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change
– Tentresh
May 2 '12 at 12:52
add a comment |
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