Mailinglist Archive: radeonhd (265 mails)

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http://bugs.freedesktop.org/show_bug.cgi?id=19394





--- Comment #4 from Pyotr Berezhkov <p.g.berezhkov@xxxxxxxxx>  2009-01-07 
08:49:53 PST ---
(Reply to Matthias Hopf)

Thanks much for your helpful advice.  Actually, after some more playing
around with the driver by running X over ssh, I discovered that the X
server isn't crashing at all, but simply blanking the screen.  Here's
the situation:

  X starts, both monitors display, except the VGA monitor is being
  driven at an incorrect resolution:

    # xrandr
    Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1680 x 1680
    VGA_1 connected 1152x768+0+0 304mm x 228mm
       1024x768       60.0 +   75.1     71.9     70.1     60.0  
       1152x768       54.8* 
        . . .

  Note that the VGA monitor is 1024x768 pixel and doesn't even support
  the mode 1152x768.  (This happens with the radeon driver as well - see
  Bug 19393.)  The resolution can be fixed by issuing:

    # xrandr --output VGA_1 --auto
    Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1680 x 1680
    VGA_1 connected 1024x768+0+0 304mm x 228mm
       1024x768       60.0*+   75.1     71.9     70.1     60.0* 
       1152x768       54.8  
        . . .

  Now, when I turn off the VGA monitor...

    # xrandr --output VGA_1 --off

  ...BOTH monitors go blank.  To get the DVI/HDMI monitor to display, I
  have to first turn it off, then on again:

    # xrandr --output DVI-D_1 --off
    # xrandr --output DVI-D_1 --auto

  After this, everything is OK.  I can turn the VGA monitor off and
  DVI/HDMI continues displaying.  Suspend/resume also works, with VGA on
  or off.  So obviously the problem here is with initialization.  And
  the incorrect mode for VGA mon. on startup is curious as well.

  -PGB


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