I just performed further tests with a system booted from an USB drive.
The bug happens regardless of architecture, both amd64 and i386 are
affected.


With the nouveau driver I managed to run both monitors with native resolution, 
but the external monitor showed graphic errors (see the attached screenshot). 
Also, the system was feeling very sluggish with two monitors.

xrandr --query --verbose when using the nouveau driver outputs:

Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 8192 x 8192
LVDS-1 connected 1920x1200+0+0 (0x65) normal (normal left inverted right x axis 
y axis) 331mm x 207mm
        Identifier: 0x61
        Timestamp:  27086
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:    
        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:
                00ffffffffffff004ca3553200000000
                00120103802115780a87f594574f8c27
                27505400000001010101010101010101
                0101010101018c41805871b023406420
                26004bcf100000190000000f00000000
                000000000046d2026400000000fe0059
                323834470031353455320a20000000fe
                0017272f3f5f97afff02010a20200039
        dithering depth:        auto
                supported: auto         6 bpc        8 bpc       
        dithering mode: auto
                supported: auto         off          static 2x2   dynamic 2x2 
        scaling mode:   Full
                supported: None         Full         Center       Full aspect 
        color vibrance: 150 (0x00000096)        range:  (0,200)
        vibrant hue: 90 (0x0000005a)    range:  (0,180)
  1920x1200 (0x65)  167.8MHz -HSync -VSync *current +preferred
        h: width  1920 start 2020 end 2052 total 2264 skew    0 clock   74.1KHz
        v: height 1200 start 1202 end 1208 total 1235           clock   60.0Hz
  1920x1200 (0x66)  193.2MHz -HSync +VSync
        h: width  1920 start 2056 end 2256 total 2592 skew    0 clock   74.6KHz
        v: height 1200 start 1203 end 1209 total 1245           clock   59.9Hz
  1920x1080 (0x67)  173.0MHz -HSync +VSync
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock   67.2KHz
        v: height 1080 start 1083 end 1088 total 1120           clock   60.0Hz
  1600x1200 (0x68)  161.0MHz -HSync +VSync
        h: width  1600 start 1712 end 1880 total 2160 skew    0 clock   74.5KHz
        v: height 1200 start 1203 end 1207 total 1245           clock   59.9Hz
  1680x1050 (0x69)  146.2MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz
  1400x1050 (0x6a)  121.8MHz -HSync +VSync
        h: width  1400 start 1488 end 1632 total 1864 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1057 total 1089           clock   60.0Hz
  1280x1024 (0x6b)  109.0MHz -HSync +VSync
        h: width  1280 start 1368 end 1496 total 1712 skew    0 clock   63.7KHz
        v: height 1024 start 1027 end 1034 total 1063           clock   59.9Hz
  1280x960 (0x6c)  101.2MHz -HSync +VSync
        h: width  1280 start 1360 end 1488 total 1696 skew    0 clock   59.7KHz
        v: height  960 start  963 end  967 total  996           clock   59.9Hz
  1152x864 (0x6d)   81.8MHz -HSync +VSync
        h: width  1152 start 1216 end 1336 total 1520 skew    0 clock   53.8KHz
        v: height  864 start  867 end  871 total  897           clock   60.0Hz
  1024x768 (0x6e)   63.5MHz -HSync +VSync
        h: width  1024 start 1072 end 1176 total 1328 skew    0 clock   47.8KHz
        v: height  768 start  771 end  775 total  798           clock   59.9Hz
  800x600 (0x6f)   38.2MHz -HSync +VSync
        h: width   800 start  832 end  912 total 1024 skew    0 clock   37.4KHz
        v: height  600 start  603 end  607 total  624           clock   59.9Hz
  640x480 (0x70)   23.8MHz -HSync +VSync
        h: width   640 start  664 end  720 total  800 skew    0 clock   29.7KHz
        v: height  480 start  483 end  487 total  500           clock   59.4Hz
  720x400 (0x71)   22.2MHz -HSync +VSync
        h: width   720 start  744 end  808 total  896 skew    0 clock   24.8KHz
        v: height  400 start  403 end  413 total  417           clock   59.6Hz
  640x400 (0x72)   20.0MHz -HSync +VSync
        h: width   640 start  664 end  720 total  800 skew    0 clock   25.0KHz
        v: height  400 start  403 end  409 total  417           clock   60.0Hz
  640x350 (0x73)   17.5MHz -HSync +VSync
        h: width   640 start  664 end  720 total  800 skew    0 clock   21.9KHz
        v: height  350 start  353 end  363 total  366           clock   59.8Hz
VGA-1 connected (normal left inverted right x axis y axis)
        Identifier: 0x62
        Timestamp:  27086
        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: 
        EDID:
                00ffffffffffff0045b8212401010101
                0214010368341e782aeed5a555489b26
                125054bfef80b300a940950081408180
                950f714f9040944380907238284080c8
                350009252100001c000000ff00373039
                3035303636303030310a000000fd0037
                4c1d5112000a202020202020000000fc
                005132340a2020202020202020200086
        scaling mode:   None
                supported: None         Full         Center       Full aspect 
        color vibrance: 150 (0x00000096)        range:  (0,200)
        vibrant hue: 90 (0x0000005a)    range:  (0,180)
  1920x1080 (0x67)  173.0MHz -HSync +VSync +preferred
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock   67.2KHz
        v: height 1080 start 1083 end 1088 total 1120           clock   60.0Hz
  1600x1200 (0x74)  175.5MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   81.2KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   65.0Hz
  1600x1200 (0x75)  162.0MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   75.0KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   60.0Hz
  1680x1050 (0x69)  146.2MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz
  1680x945 (0x76)  131.5MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   58.7KHz
        v: height  945 start  946 end  949 total  978           clock   60.0Hz
  1400x1050 (0x6a)  121.8MHz -HSync +VSync
        h: width  1400 start 1488 end 1632 total 1864 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1057 total 1089           clock   60.0Hz
  1600x900 (0x77)  119.0MHz -HSync +VSync
        h: width  1600 start 1696 end 1864 total 2128 skew    0 clock   55.9KHz
        v: height  900 start  901 end  904 total  932           clock   60.0Hz
  1280x1024 (0x78)  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 (0x79)  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
  1440x900 (0x7a)  136.8MHz -HSync +VSync
        h: width  1440 start 1536 end 1688 total 1936 skew    0 clock   70.6KHz
        v: height  900 start  903 end  909 total  942           clock   75.0Hz
  1440x900 (0x7b)  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
  1280x960 (0x7c)  108.0MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock   60.0KHz
        v: height  960 start  961 end  964 total 1000           clock   60.0Hz
  1366x768 (0x7d)   85.9MHz -HSync +VSync
        h: width  1366 start 1439 end 1583 total 1800 skew    0 clock   47.7KHz
        v: height  768 start  769 end  772 total  795           clock   60.0Hz
  1360x768 (0x7e)   85.5MHz +HSync +VSync
        h: width  1360 start 1424 end 1536 total 1792 skew    0 clock   47.7KHz
        v: height  768 start  771 end  777 total  795           clock   60.0Hz
  1280x800 (0x7f)  106.5MHz -HSync +VSync
        h: width  1280 start 1360 end 1488 total 1696 skew    0 clock   62.8KHz
        v: height  800 start  803 end  809 total  838           clock   74.9Hz
  1280x800 (0x80)   83.5MHz +HSync -VSync
        h: width  1280 start 1352 end 1480 total 1680 skew    0 clock   49.7KHz
        v: height  800 start  803 end  809 total  831           clock   59.8Hz
  1152x864 (0x81)  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
  1280x768 (0x82)  102.2MHz +HSync -VSync
        h: width  1280 start 1360 end 1488 total 1696 skew    0 clock   60.3KHz
        v: height  768 start  771 end  778 total  805           clock   74.9Hz
  1280x768 (0x83)   79.5MHz -HSync +VSync
        h: width  1280 start 1344 end 1472 total 1664 skew    0 clock   47.8KHz
        v: height  768 start  771 end  778 total  798           clock   59.9Hz
  1024x768 (0x84)   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 (0x85)   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 (0x86)   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
  1024x576 (0x87)   47.0MHz -HSync +VSync
        h: width  1024 start 1064 end 1168 total 1312 skew    0 clock   35.8KHz
        v: height  576 start  577 end  580 total  597           clock   60.0Hz
  832x624 (0x88)   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 (0x89)   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 (0x8a)   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 (0x8b)   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 (0x8c)   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
  848x480 (0x8d)   33.8MHz +HSync +VSync
        h: width   848 start  864 end  976 total 1088 skew    0 clock   31.0KHz
        v: height  480 start  486 end  494 total  517           clock   60.0Hz
  640x480 (0x8e)   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 (0x8f)   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 (0x90)   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 (0x91)   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 (0x92)   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
DVI-D-1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x63
        Timestamp:  27086
        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: 
        dithering depth:        auto
                supported: auto         6 bpc        8 bpc       
        dithering mode: auto
                supported: auto         off          static 2x2   dynamic 2x2 
        scaling mode:   Full
                supported: None         Full         Center       Full aspect 
        color vibrance: 150 (0x00000096)        range:  (0,200)
        vibrant hue: 90 (0x0000005a)    range:  (0,180)
        underscan vborder: 0 (0x00000000)       range:  (0,128)
        underscan hborder: 0 (0x00000000)       range:  (0,128)
        underscan:      off
                supported: auto         off          on          

When using the nvidia-current driver, only the native resolution is
shown as supported for the laptop panel:

Screen 0: minimum 8 x 8, current 1920 x 1200, maximum 8192 x 8192
VGA-0 connected (normal left inverted right x axis y axis)
        Identifier: 0x278
        Timestamp:  214522
        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: 
        EDID:
                00ffffffffffff0045b8212401010101
                0214010368341e782aeed5a555489b26
                125054bfef80b300a940950081408180
                950f714f9040944380907238284080c8
                350009252100001c000000ff00373039
                3035303636303030310a000000fd0037
                4c1d5112000a202020202020000000fc
                005132340a2020202020202020200086
        SignalFormat:   VGA
                supported: VGA         
        ConnectorType:  VGA
        ConnectorNumber: 1 (0x00000001)
        _ConnectorLocation: 1 (0x00000001)
  1920x1080 (0x2a6)  173.0MHz -HSync +VSync +preferred
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock   67.2KHz
        v: height 1080 start 1083 end 1088 total 1120           clock   60.0Hz
  1680x1050 (0x2a7)  146.2MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz
  1600x1200 (0x2a8)  162.0MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   75.0KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   60.0Hz
  1440x900 (0x2a9)  136.8MHz -HSync +VSync
        h: width  1440 start 1536 end 1688 total 1936 skew    0 clock   70.6KHz
        v: height  900 start  903 end  909 total  942           clock   75.0Hz
  1440x900 (0x2aa)  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
  1400x1050 (0x2ab)  121.8MHz -HSync +VSync
        h: width  1400 start 1488 end 1632 total 1864 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1057 total 1089           clock   60.0Hz
  1280x1024 (0x2ac)  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 (0x2ad)  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
  1280x960 (0x2ae)  108.0MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock   60.0KHz
        v: height  960 start  961 end  964 total 1000           clock   60.0Hz
  1152x864 (0x2af)  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 (0x2b0)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.0KHz
        v: height  768 start  769 end  772 total  800           clock   75.0Hz
  1024x768 (0x2b1)   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 (0x2b2)   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 (0x2b3)   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 (0x2b4)   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 (0x2b5)   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 (0x2b6)   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 (0x2b7)   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 (0x2b8)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  696 total  832 skew    0 clock   37.9KHz
        v: height  480 start  481 end  484 total  520           clock   72.8Hz
  640x480 (0x2b9)   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
TV-0 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x279
        Timestamp:  214522
        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: 
        SignalFormat:   unknown
                supported: unknown     
        ConnectorType:  TV
        ConnectorNumber: 3 (0x00000003)
        _ConnectorLocation: 3 (0x00000003)
LVDS-0 connected 1920x1200+0+0 (0x27b) normal (normal left inverted right x 
axis y axis) 331mm x 207mm
        Identifier: 0x27a
        Timestamp:  214522
        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:
                00ffffffffffff004ca3553200000000
                00120103802115780a87f594574f8c27
                27505400000001010101010101010101
                0101010101018c41805871b023406420
                26004bcf100000190000000f00000000
                000000000046d2026400000000fe0059
                323834470031353455320a20000000fe
                0017272f3f5f97afff02010a20200039
        SignalFormat:   LVDS
                supported: LVDS        
        ConnectorType:  Panel
        ConnectorNumber: 0 (0x00000000)
        _ConnectorLocation: 0 (0x00000000)
  1920x1200 (0x27b)  167.8MHz -HSync -VSync *current +preferred
        h: width  1920 start 2020 end 2052 total 2264 skew    0 clock   74.1KHz
        v: height 1200 start 1202 end 1208 total 1235           clock   60.0Hz
DVI-D-0 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x27c
        Timestamp:  214522
        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: 
        SignalFormat:   TMDS
                supported: TMDS        
        ConnectorType:  DVI-D
        ConnectorNumber: 2 (0x00000002)
        _ConnectorLocation: 2 (0x00000002)

xrandr returns the same EDID data regardless of driver used. parse-edid
outputs (1. laptop panel, 2. external monitor):

        # EDID version 1 revision 3
Section "Monitor"
        # Block type: 2:0 3:f
        # Block type: 2:0 3:fe
        # Block type: 2:0 3:fe
        Identifier "SEC:5532"
        VendorName "SEC"
        ModelName "SEC:5532"
        # Block type: 2:0 3:f
        # Block type: 2:0 3:fe
        # Block type: 2:0 3:fe
        # DPMS capabilities: Active off:no  Suspend:no  Standby:no

        Mode    "1920x1200"     # vfreq 60.013Hz, hfreq 74.117kHz
                DotClock        167.800000
                HTimings        1920 2020 2052 2264
                VTimings        1200 1202 1208 1235
                Flags   "-HSync" "-VSync"
        EndMode
        # Block type: 2:0 3:f
        # Block type: 2:0 3:fe
        # Block type: 2:0 3:fe
EndSection

---

        # EDID version 1 revision 3
Section "Monitor"
        # Block type: 2:0 3:ff
        # Block type: 2:0 3:fd
        # Block type: 2:0 3:fc
        Identifier "Q24"
        VendorName "QMX"
        ModelName "Q24"
        # Block type: 2:0 3:ff
        # Block type: 2:0 3:fd
        HorizSync 29-81
        VertRefresh 55-76
        # Max dot clock (video bandwidth) 180 MHz
        # Block type: 2:0 3:fc
        # DPMS capabilities: Active off:yes  Suspend:no  Standby:no

        Mode    "1920x1080"     # vfreq 59.963Hz, hfreq 67.158kHz
                DotClock        173.000000
                HTimings        1920 2048 2248 2576
                VTimings        1080 1083 1088 1120
                Flags   "+HSync" "-VSync"
        EndMode
        # Block type: 2:0 3:ff
        # Block type: 2:0 3:fd
        # Block type: 2:0 3:fc
EndSection


** Attachment added: "Graphic errors with nouveau driver"
   
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/727112/+attachment/3466596/+files/nouveau1.png

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/727112

Title:
  nvidia-current does not detect hardware capabilities correctly

Status in “nvidia-graphics-drivers” package in Ubuntu:
  Incomplete

Bug description:
  nvidia-current is unable to use two monitors in full resolution (wuxga
  + full hd), one will always stay blank. looking into xorg.log, i can
  see something like:

      [ 89444.991] (WW) NVIDIA(0): Due to hardware capability constraints, 
disabling display
      [ 89444.991] (WW) NVIDIA(0):     device Seiko/Epson (DFP-0) in MetaMode
      [ 89444.991] (WW) NVIDIA(0):     
"CRT-0:nvidia-auto-select@1920x1080+1920+0,DFP-0:1920x1200@1920x1200+0+0".

  the same configuration works with nvidia-173, so nvidia-current might
  not be detecting hardware capabalities correctly. nvidia-173 feels a
  bit slower than nvidia-current, so i'd like to use nvidia-current. my
  graphics card is `01:00.0 VGA compatible controller: nVidia
  Corporation G86M [Quadro FX 360M] (rev a1)`

  i'll be glad to give further information, this has bugged me for quite
  a while. i'm currently running natty, but i've seen this bug since
  nvidia-current was introduced

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: nvidia-current 270.29-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-5.32-generic-pae 2.6.38-rc6
  Uname: Linux 2.6.38-5-generic-pae i686
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86 Kernel Module  270.29  Wed Feb 23 16:16:53 PST 
2011
   GCC version:  gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-3ubuntu3)
  Architecture: i386
  CompizPlugins: 
[core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,scale,session,unityshell]
  CompositorRunning: None
  Date: Tue Mar  1 12:34:01 2011
  DistUpgraded: Yes, recently upgraded Log time: 2010-12-25 19:00:20.784814
  DistroCodename: natty
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox-ose, 4.0.4, 2.6.38-5-generic, i686: installed 
   virtualbox-ose, 4.0.4, 2.6.38-5-generic-pae, i686: installed 
   nvidia-current, 270.29, 2.6.38-5-generic-pae, i686: installed
  GraphicsCard:
   nVidia Corporation G86M [Quadro FX 360M] [10de:042d] (rev a1) (prog-if 00 
[VGA controller])
     Subsystem: Dell Device [1028:01ff]
  MachineType: Dell Inc. Precision M4300
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic-pae 
root=UUID=f957135d-b762-45ac-9e0d-6979595882aa ro quiet splash vt.handoff=7
  Renderer: Unknown
  SourcePackage: nvidia-graphics-drivers
  UpgradeStatus: Upgraded to natty on 2011-01-13 (46 days ago)
  dmi.bios.date: 05/23/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A11
  dmi.board.name: 0UY141
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA11:bd05/23/2008:svnDellInc.:pnPrecisionM4300:pvr:rvnDellInc.:rn0UY141:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Precision M4300
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.4-0ubuntu2
  version.libdrm2: libdrm2 2.4.23-1ubuntu3
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu8
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu11
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20110107+b795ca6e-0ubuntu5

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/727112/+subscriptions

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