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xrandr --addmode VGA-0 ...: X Error of failed request
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Yminus
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Joined: 06 Jan 2008
Posts: 168

PostPosted: Thu Dec 06, 2012 12:10 pm    Post subject: xrandr --addmode VGA-0 ...: X Error of failed request Reply with quote

Can anyone tell me what's going wrong here?

Initial putput of xrandr:
Code:
xrandr
Screen 0: minimum 8 x 8, current 1280 x 800, maximum 8192 x 8192
VGA-0 connected (normal left inverted right x axis y axis)
   1024x768       60.0 +
   800x600        72.2     60.3     56.2 
   640x480        59.9 
   512x384       120.0 
   400x300       144.4 
   320x240       120.1 
TV-0 disconnected (normal left inverted right x axis y axis)
LVDS-0 connected 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
   1280x800       59.9*+   59.9


Formatting a new modeline
Code:
cvt 1280 1024 60
# 1280x1024 59.89 Hz (CVT 1.31M4) hsync: 63.67 kHz; pclk: 109.00 MHz
Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync


Creating a new mode:
Code:
xrandr --newmode "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync


Output of xrandr after creation:
Code:
xrandr
Screen 0: minimum 8 x 8, current 1280 x 800, maximum 8192 x 8192
VGA-0 connected (normal left inverted right x axis y axis)
   1024x768       60.0 +
   800x600        72.2     60.3     56.2 
   640x480        59.9 
   512x384       120.0 
   400x300       144.4 
   320x240       120.1 
TV-0 disconnected (normal left inverted right x axis y axis)
LVDS-0 connected 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
   1280x800       59.9*+   59.9 
  1280x1024_60.00 (0x27e)  109.0MHz
        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


Trying to add new mode to VGA-0 fails:
Code:
xrandr --addmode VGA-0 "1280x1024_60.00"
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  139 (RANDR)
  Minor opcode of failed request:  18 (RRAddOutputMode)
  Serial number of failed request:  27
  Current serial number in output stream:  28

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BillWho
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Joined: 03 Mar 2012
Posts: 1600
Location: US

PostPosted: Fri Dec 07, 2012 12:54 am    Post subject: Reply with quote

Yminus,

Yminus wrote:
xrandr --addmode VGA-0 "1280x1024_60.00"

Try this line without the quotes
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