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[Bug 737891] Re: [Arrandale] gnome-display-properties unable to correctly enable monitors connected to VGA

 

While in broken state:

bryce@clanfield:~$ xrandr --auto
xrandr: cannot find crtc for output LVDS1
bryce@clanfield:~$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS1 connected (normal left inverted right x axis y axis)
	Identifier: 0x41
	Timestamp:  15385367
	Subpixel:   horizontal rgb
	Clones:    
	CRTCs:      0
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	EDID:
		00ffffffffffff0006af2c1100000000
		01120103901d10780af9d59555549327
		21505400000001010101010101010101
		010101010101121b565a500019303020
		360025a41000001a0c12565a50001930
		3020360025a41000001a000000fe0058
		58333147804231333358573100000000
		00000000000000000001010a20200076
	BACKLIGHT: 0 (0x00000000)	range:  (0,15)
	Backlight: 0 (0x00000000)	range:  (0,15)
	scaling mode:	Full aspect
		supported: None         Full         Center       Full aspect 
  1366x768 (0x44)   69.3MHz +HSync -VSync +preferred
        h: width  1366 start 1414 end 1446 total 1456 skew    0 clock   47.6KHz
        v: height  768 start  771 end  777 total  793           clock   60.0Hz
  1366x768 (0x45)   46.2MHz +HSync -VSync
        h: width  1366 start 1414 end 1446 total 1456 skew    0 clock   31.7KHz
        v: height  768 start  771 end  777 total  793           clock   40.0Hz
  1360x768 (0x46)   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 (0x47)   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
  1024x768 (0x48)   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 (0x49)   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 (0x4a)   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 (0x4b)   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
VGA1 connected 1920x1080+0+0 (0x4c) normal (normal left inverted right x axis y axis) 477mm x 268mm
	Identifier: 0x42
	Timestamp:  15385367
	Subpixel:   unknown
	Gamma:      1.0:1.0:1.0
	Brightness: 1.0
	Clones:    
	CRTC:       0
	CRTCs:      1 0
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	EDID:
		00ffffffffffff0010ac51a053393631
		0b1401030e301b78eeee95a3544c9926
		0f5054a54b00714f8180d1c001010101
		010101010101023a801871382d40582c
		4500dd0c1100001e000000ff004b3732
		3650303339313639530a000000fc0044
		454c4c20535832323130540a000000fd
		00384c1e5311000a202020202020008b
  1920x1080 (0x4c)  148.5MHz +HSync +VSync *current +preferred
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   67.5KHz
        v: height 1080 start 1084 end 1089 total 1125           clock   60.0Hz
  1280x1024 (0x4d)  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
  1280x1024 (0x4e)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1152x864 (0x4f)  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 (0x50)   78.8MHz +HSync +VSync
        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 (0x48)   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 (0x51)   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 (0x49)   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
  640x480 (0x52)   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 (0x53)   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
  720x400 (0x54)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
DP1 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x43
	Timestamp:  15385367
	Subpixel:   unknown
	Clones:    
	CRTCs:      1 0
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	Broadcast RGB:	Full
		supported: Full         Limited 16:2
	audio:	auto
		supported: off          auto         on

-- 
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/737891

Title:
  [Arrandale] gnome-display-properties unable to correctly enable
  monitors connected to VGA

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References