Public bug reported:
My netbook (Sony Vaio VPCW 115xg) has an intel 945GME video card
controller.
The built-in LVDS1 is 1366x768. The add-on VGA1 is 1920x1080. xrandr
reports the maximum resolution of screen0 as 409x4096. I'm pretty sure
that any horizontal resolution above 2048 causes screen corruption.
Tried under KDE and Gnome3.
The display properties settings dialog allows setting the two screens
horizontally (total res 3300 or so), which results in massive screen
corruption (machine hasn't crashed; console works)
xrandr reports (vertically stacked screens):
Screen 0: minimum 320 x 200, current 1920 x 1848, maximum 4096 x 4096
LVDS1 connected 1366x768+554+1080 (normal left inverted right x axis y axis)
0mm x 0mm
1366x768 59.9*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x
268mm
1920x1080 60.0*+
1680x1050 60.0
1280x1024 75.0 60.0
1280x960 60.0
1152x864 75.0
1024x768 75.1 60.0
832x624 74.6
800x600 75.0 60.3 56.2
640x480 75.0 60.0
720x400 70.1
I wonder if maximum horizontal shouldn't be 2048x instead of 4096x on
this particular hardware?
I've reported this under xserver-xorg-video-intel, but it might be an
Intel kernel driver bug. Stock kernel, opensource driver.
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
My netbook (Sony Vaio VPCW 115xg) has an intel 945GME video card
controller.
The built-in LVDS1 is 1366x768. The add-on VGA1 is 1920x1080. xrandr
reports the maximum resolution of screen0 as 409x4096. I'm pretty sure
that any horizontal resolution above 2048 causes screen corruption.
Tried under KDE and Gnome3.
The display properties settings dialog allows setting the two screens
- horizontally (total res 3600 or so), which results in massive screen
+ horizontally (total res 3300 or so), which results in massive screen
corruption (machine hasn't crashed; console works)
xrandr reports (vertically stacked screens):
- Screen 0: minimum 320 x 200, current 1920 x 1848, maximum 4096 x 4096
+ Screen 0: minimum 320 x 200, current 1920 x 1848, maximum 4096 x 4096
LVDS1 connected 1366x768+554+1080 (normal left inverted right x axis y axis)
0mm x 0mm
- 1366x768 59.9*+
- 1360x768 59.8 60.0
- 1024x768 60.0
- 800x600 60.3 56.2
- 640x480 59.9
+ 1366x768 59.9*+
+ 1360x768 59.8 60.0
+ 1024x768 60.0
+ 800x600 60.3 56.2
+ 640x480 59.9
VGA1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm
x 268mm
- 1920x1080 60.0*+
- 1680x1050 60.0
- 1280x1024 75.0 60.0
- 1280x960 60.0
- 1152x864 75.0
- 1024x768 75.1 60.0
- 832x624 74.6
- 800x600 75.0 60.3 56.2
- 640x480 75.0 60.0
- 720x400 70.1
+ 1920x1080 60.0*+
+ 1680x1050 60.0
+ 1280x1024 75.0 60.0
+ 1280x960 60.0
+ 1152x864 75.0
+ 1024x768 75.1 60.0
+ 832x624 74.6
+ 800x600 75.0 60.3 56.2
+ 640x480 75.0 60.0
+ 720x400 70.1
I wonder if maximum horizontal shouldn't be 2048x instead of 4096x on
this particular hardware?
I've reported this under xserver-xorg-video-intel, but it might be an
Intel kernel driver bug. Stock kernel, opensource driver.
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https://bugs.launchpad.net/bugs/911649
Title:
Wrong maximum resolution for multiple monitors (Intel 945GME)
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