Bug#482861: xserver-xorg-video-ati: radeon / ati driver wants to kill my monitor

[Alex Deucher]

On Tue, May 27, 2008 at 5:42 AM, Teemu Ikonen <tpikonen at gmail.com> wrote:
> On Tue, May 27, 2008 at 5:56 AM, Alex Deucher <alexdeucher at gmail.com> wrote:
>> ARGH!  The xserver is picking a mode the monitor doesn't like:
>> (II) RADEON(0): Output VGA-0 using initial mode 1600x1024
>> rather than one from the edid since the edid doesn't specify a
>> preferred mode.  Things should work better with a newer xserver.
>> Alternatively, you can specify a preferred mode by adding a monitor
>> section linked to the output in question and setting the
>> "PreferredMode" option.  See these pages for more:
>> http://wiki.debian.org/XStrikeForce/HowToRandR12
>
> Thanks for your help, setting the modeline and preferredmode to
> something sensible solved this.
>
> It seems that the problem was caused by my monitor reporting modes via
> DDC which it cannot actually display. I.e. something like "1600x1280".
> I hope newer xservers are more conservative in believing the DDC data
> and setting the initial mode :)

No, it's the xserver. The edid from your monitor looks reasonable.
the xserver just picked a mode (1600x1024) that happens to be within
the sync ranges supported by the monitor, but wasn't specifically
listed as a supported mode.  Things should be better in newer
xservers.

(II) RADEON(0): Manufacturer: HTC  Model: ac82  Serial#: 5095
(II) RADEON(0): Year: 2000  Week: 19
(II) RADEON(0): EDID Version: 1.1
(II) RADEON(0): Analog Display Input,  Input Voltage Level: 0.700/0.700 V
(II) RADEON(0): Sync:  Separate  Composite  SyncOnGreen
(II) RADEON(0): Max H-Image Size [cm]: horiz.: 36  vert.: 27
(II) RADEON(0): Gamma: 2.30
(II) RADEON(0): DPMS capabilities: StandBy Suspend Off; RGB/Color Display
(II) RADEON(0): redX: 0.625 redY: 0.340   greenX: 0.285 greenY: 0.605
(II) RADEON(0): blueX: 0.150 blueY: 0.065   whiteX: 0.279 whiteY: 0.310
(II) RADEON(0): Supported VESA Video Modes:
(II) RADEON(0): 720x400 at 70Hz
(II) RADEON(0): 720x400 at 88Hz
(II) RADEON(0): 640x480 at 60Hz
(II) RADEON(0): 640x480 at 67Hz
(II) RADEON(0): 640x480 at 72Hz
(II) RADEON(0): 640x480 at 75Hz
(II) RADEON(0): 800x600 at 56Hz
(II) RADEON(0): 800x600 at 60Hz
(II) RADEON(0): 800x600 at 72Hz
(II) RADEON(0): 800x600 at 75Hz
(II) RADEON(0): 832x624 at 75Hz
(II) RADEON(0): 1024x768 at 60Hz
(II) RADEON(0): 1024x768 at 70Hz
(II) RADEON(0): 1024x768 at 75Hz
(II) RADEON(0): 1280x1024 at 75Hz
(II) RADEON(0): 1152x870 at 75Hz
(II) RADEON(0): Manufacturer's mask: 0
(II) RADEON(0): Supported Future Video Modes:
(II) RADEON(0): #0: hsize: 1600  vsize 1280  refresh: 70  vid: 35497
(II) RADEON(0): #1: hsize: 1600  vsize 1200  refresh: 65  vid: 17833
(II) RADEON(0): #2: hsize: 1600  vsize 1200  refresh: 70  vid: 19113
(II) RADEON(0): #3: hsize: 1280  vsize 1024  refresh: 85  vid: 39297
(II) RADEON(0): #4: hsize: 1152  vsize 864  refresh: 75  vid: 20337
(II) RADEON(0): #5: hsize: 1024  vsize 768  refresh: 85  vid: 22881
(II) RADEON(0): #6: hsize: 800  vsize 600  refresh: 85  vid: 22853
(II) RADEON(0): Supported additional Video Mode:
(II) RADEON(0): clock: 202.5 MHz   Image Size:  360 x 270 mm
(II) RADEON(0): h_active: 1600  h_sync: 1664  h_sync_end 1856
h_blank_end 2160 h_border: 0
(II) RADEON(0): v_active: 1200  v_sync: 1201  v_sync_end 1204
v_blanking: 1250 v_border: 0
(II) RADEON(0): Ranges: V min: 50  V max: 160 Hz, H min: 31  H max: 96 kHz,
(II) RADEON(0): Monitor name: CM771
(II) RADEON(0): Serial No: V0E005095
(II) RADEON(0): EDID (in hex):
(II) RADEON(0):         00ffffffffffff00228382ace7130000
(II) RADEON(0):         130a01016e241b82e800b9a057499b26
(II) RADEON(0):         10474fffef80a98aa945a94a8199714f
(II) RADEON(0):         6159455901011a4f403062b0324040c0
(II) RADEON(0):         1300680e1100001e000000fd0032a01f
(II) RADEON(0):         60ff000a202020202020000000fc0043
(II) RADEON(0):         4d3737310a20202020202020000000ff
(II) RADEON(0):         005630453030353039350a2020200045

Alex