Resolution on a unknokn monitor - error X Error of failed request: BadMatch (invalid parameter attributes)

Sterpu Victor victor at caido.ro
Fri Apr 10 18:05:43 UTC 2015


Hello

I can't increase the rezolution on a monitor to 1920x1080.
The monitor knows this resolution, I had it working in 1920x1080 in 
Windows.
This is what I tried(the monitor with the problem is VGA-0, I have 2 
monitors):


root at TIV:/home/victor# xrandr -q
>Screen 0: minimum 8 x 8, current 2260 x 1440, maximum 4096 x 4096
>VGA-0 connected primary 1360x768+0+0 (normal left inverted right x axis 
>y axis) 0mm x 0mm
>    1024x768 60.0 +
>    1360x768 60.0* 59.8
>    1152x864 60.0
>    800x600 72.2 60.3 56.2
>    680x384 60.0 59.8
>    640x480 59.9
>    576x432 60.1
>    512x384 60.0
>    400x300 72.2 60.3 56.3
>    320x240 60.1
>DVI-I-0 connected 900x1440+1360+0 left (normal left inverted right x 
>axis y axis) 408mm x 255mm
>    1440x900 59.9*+
>    1280x800 59.8
>    1280x720 60.0
>    1024x768 75.0 60.0
>    800x600 75.0 60.3
>    640x480 75.0 59.9
>TV-0 disconnected (normal left inverted right x axis y axis)
>DVI-I-1 disconnected (normal left inverted right x axis y axis)
root at TIV:/home/victor#cvt 1920 1080
root at TIV:/home/victor# xrandr --newmode "1920x1080_60.00" 173.00 1920 
2048 2248 2576 1080 1083 1088 1120 -hsync +vsync

I'm adding the new mode but as you already see is not adding where I 
want it, it goes on DVI instead od VGA-0:

root at TIV:/home/victor# xrandr -q
>Screen 0: minimum 8 x 8, current 2260 x 1440, maximum 4096 x 4096
>VGA-0 connected primary 1360x768+0+0 (normal left inverted right x axis 
>y axis) 0mm x 0mm
>    1024x768 60.0 +
>    1360x768 60.0* 59.8
>    1152x864 60.0
>    800x600 72.2 60.3 56.2
>    680x384 60.0 59.8
>    640x480 59.9
>    576x432 60.1
>    512x384 60.0
>    400x300 72.2 60.3 56.3
>    320x240 60.1
>DVI-I-0 connected 900x1440+1360+0 left (normal left inverted right x 
>axis y axis) 408mm x 255mm
>    1440x900 59.9*+
>    1280x800 59.8
>    1280x720 60.0
>    1024x768 75.0 60.0
>    800x600 75.0 60.3
>    640x480 75.0 59.9
>TV-0 disconnected (normal left inverted right x axis y axis)
>DVI-I-1 disconnected (normal left inverted right x axis y axis)
>   1920x1080_60.00 (0x277) 173.0MHz
>         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


root at TIV:/home/victor# xrandr --addmode VGA-0 1920x1080_60.00
>X Error of failed request: BadMatch (invalid parameter attributes)
>   Major opcode of failed request: 140 (RANDR)
>   Minor opcode of failed request: 18 (RRAddOutputMode)
>   Serial number of failed request: 31
>   Current serial number in output stream: 32

root at TIV:/home/victor# xrandr --output VGA-0 --mode 1920x1080_60.00


  Thank you


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