Public bug reported:
When I connect a VGA montor to the output on my Dell Inspirion (Intel
GM965) laptop, all the correct notices go off in KDE to allow me to
setup the 2nd monitor to be above/below etc. the LCD, but one of the
displays is always corrupted afterwards.
Trying with xrandr directly:
falken@wopr:/tmp$ xrandr -q --verbose
Screen 0: minimum 320 x 200, current 1440 x 900, maximum 8192 x 8192
VGA1 connected 1024x768+0+0 (0xda) normal (normal left inverted right x axis y
axis) 400mm x 300mm
Identifier: 0x41
Timestamp: 38619
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones: DVI1
CRTC: 0
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff0026cd40218d359900
090a01010e281e9ae80e88a0574a9a26
12484c3fef80a965c14fc94fe1540101
010101010101000000fe000000000000
0000000000000000000000fe00000000
00000000000000000000000000fe0000
000000000000000000000000000000fe
00000000000000000000000000000016
1856x1392 (0xd6) 288.0MHz -HSync +VSync
h: width 1856 start 1984 end 2208 total 2560 skew 0 clock 112.5KHz
v: height 1392 start 1395 end 1399 total 1500 clock 75.0Hz
1792x1344 (0xd7) 261.0MHz -HSync +VSync
h: width 1792 start 1888 end 2104 total 2456 skew 0 clock 106.3KHz
v: height 1344 start 1345 end 1348 total 1417 clock 75.0Hz
1280x1024 (0xd8) 135.0MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.0Hz
1152x864 (0xd9) 108.0MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.5KHz
v: height 864 start 865 end 868 total 900 clock 75.0Hz
1024x768 (0xda) 78.8MHz +HSync +VSync *current
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz
v: height 768 start 769 end 772 total 800 clock 75.1Hz
1024x768 (0xdb) 75.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.5KHz
v: height 768 start 771 end 777 total 806 clock 70.1Hz
1024x768 (0x4a) 65.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
832x624 (0xdc) 57.3MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.7KHz
v: height 624 start 625 end 628 total 667 clock 74.6Hz
800x600 (0xdd) 50.0MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.1KHz
v: height 600 start 637 end 643 total 666 clock 72.2Hz
800x600 (0xde) 49.5MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz
v: height 600 start 601 end 604 total 625 clock 75.0Hz
800x600 (0x4b) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x4c) 36.0MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
640x480 (0xdf) 31.5MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz
v: height 480 start 489 end 491 total 520 clock 72.8Hz
640x480 (0xe0) 31.5MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz
v: height 480 start 481 end 484 total 500 clock 75.0Hz
640x480 (0xe1) 30.2MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.0KHz
v: height 480 start 483 end 486 total 525 clock 66.7Hz
640x480 (0xe2) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 60.0Hz
LVDS1 connected 1440x900+0+0 (0x45) normal (normal left inverted right x axis y
axis) 331mm x 207mm
Identifier: 0x42
Timestamp: 38619
Subpixel: horizontal rgb
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 1
CRTCs: 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff00320c00df00000000
00110103802115780ae9d59959538e28
26505400000001010101010101010101
010101010101de21a07050841f302020
56004bcf10000018de21a07050841f30
202056004bcf10000000000000fe004b
52353135003135345750310a000000fe
0023333d486584aaff02010a202000a3
BACKLIGHT: 2 (0x00000002) range: (0,7)
Backlight: 2 (0x00000002) range: (0,7)
scaling mode: Full aspect
supported: None Full Center Full aspect
1440x900 (0x45) 86.7MHz -HSync -VSync *current +preferred
h: width 1440 start 1472 end 1504 total 1552 skew 0 clock 55.9KHz
v: height 900 start 905 end 911 total 931 clock 60.0Hz
1440x900 (0x46) 106.5MHz -HSync +VSync
h: width 1440 start 1520 end 1672 total 1904 skew 0 clock 55.9KHz
v: height 900 start 903 end 909 total 934 clock 59.9Hz
1360x768 (0x47) 84.8MHz -HSync +VSync
h: width 1360 start 1432 end 1568 total 1776 skew 0 clock 47.7KHz
v: height 768 start 771 end 781 total 798 clock 59.8Hz
1360x768 (0x48) 72.0MHz +HSync -VSync
h: width 1360 start 1408 end 1440 total 1520 skew 0 clock 47.4KHz
v: height 768 start 771 end 781 total 790 clock 60.0Hz
1152x864 (0x49) 81.6MHz -HSync +VSync
h: width 1152 start 1216 end 1336 total 1520 skew 0 clock 53.7KHz
v: height 864 start 865 end 868 total 895 clock 60.0Hz
1024x768 (0x4a) 65.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
800x600 (0x4b) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x4c) 36.0MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
640x480 (0x4d) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
DVI1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x43
Timestamp: 38619
Subpixel: horizontal rgb
Clones: VGA1
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
TV1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x44
Timestamp: 38619
Subpixel: unknown
Clones:
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
bottom margin: 37 (0x00000025) range: (0,100)
right margin: 46 (0x0000002e) range: (0,100)
top margin: 36 (0x00000024) range: (0,100)
left margin: 54 (0x00000036) range: (0,100)
mode: NTSC-M
supported: NTSC-M NTSC-443 NTSC-J PAL-M
PAL-N PAL 480p@59.94Hz 480p@60Hz
576p 720p@60Hz 720p@59.94Hz 720p@50Hz
1080i@50Hz 1080i@60Hz 1080i@59.94H
falken@wopr:~$ xrandr --output VGA1 --mode 1024x768
falken@wopr:~$ xrandr --output VGA1 --above LVDS1
#corrupts LCD, VGA fine.
falken@wopr:~$ xrandr --output VGA1 --below LVDS1
#corrupts VGA, LCD fine
Tried both xorg-edgers and xorg-updates, same issue. This is a Maverick install.
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/741210
Title:
[intel GM965] Corrupted output on either VGA or LCD when trying to use
two monitors
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