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Hello,

On Jan 4, 2007, at 12:01, Zach Lowry wrote:

> On Jan 4, 2007, at 9:55 AM, Michael Lorenz wrote:
>
>> Ok, so what exactly happens? According to that snippet from the log 
>> it should try to do 1024x768 at 60Hz which should be right for your 
>> iBook. What do you see on the display?
>
> Just a black screen. Nothing more, nothing less. When I kill X 
> remotely it goes back to the console.

Ok, so the panel either gets no data or doesn't know how to make any 
sense of them.

>> The relevant part in my log looks slightly different:
>> (--) RADEON(0): Virtual size is 1024x768 (pitch 1024)
>> (**) RADEON(0): *Mode "1024x768": 65.0 MHz (scaled from 0.0 MHz), 
>> 48.4 kHz, 60.0 Hz
>> (II) RADEON(0): Modeline "1024x768"   65.00  1024 1048 1184 1344  768 
>> 771 777 806
>> - - not sure is the sync options make a difference, might well be the 
>> case though.
>
> Maybe so, perhaps I can turn that off somehow. Any ideas?

I think you can use the Modeline as it is.

>> Does your panel provide DDC data? If it does you should see something 
>> like this:
>> (II) RADEON(0): Monitor1 EDID data ---------------------------
>> (II) RADEON(0): Manufacturer: APP  Model: 9c1f  Serial#: 16843009
>> (II) RADEON(0): Year: 2002  Week: 0
>> (II) RADEON(0): EDID Version: 1.3
>> (II) RADEON(0): Digital Display Input
>> (II) RADEON(0): Max H-Image Size [cm]: horiz.: 25  vert.: 18
>> (II) RADEON(0): Gamma: 2.20
>> (II) RADEON(0): No DPMS capabilities specified; RGB/Color Display
>> (II) RADEON(0): First detailed timing is preferred mode
>> (II) RADEON(0): redX: 0.577 redY: 0.338   greenX: 0.310 greenY: 0.554
>> (II) RADEON(0): blueX: 0.158 blueY: 0.124   whiteX: 0.313 whiteY: 
>> 0.329
>> (II) RADEON(0): Supported VESA Video Modes:
>> (II) RADEON(0): 1024x768@60Hz
>> (II) RADEON(0): Manufacturer's mask: 0
>> (II) RADEON(0): Supported additional Video Mode:
>> (II) RADEON(0): clock: 65.0 MHz   Image Size:  246 x 184 mm
>> (II) RADEON(0): h_active: 1024  h_sync: 1048  h_sync_end 1184 
>> h_blank_end 1344 h_border: 0
>> (II) RADEON(0): v_active: 768  v_sync: 771  v_sync_end 777 
>> v_blanking: 806 v_border: 0
>> (II) RADEON(0):  IBM-IAXG01A
>> (II) RADEON(0):  IBM-IAXG01A
>> (II) RADEON(0): Monitor name: Color LCD
>> (II) RADEON(0): End of Monitor1 EDID data --------------------
>
> It does not, I don't see any such section in my log. I wonder if my X 
> display is going to the external monitor port for some reason.

May well be the case.

>> Looks like the infamous radeon register size bug. In short - the 
>> driver tries to mmap 512kB here which is appropriate for very new 
>> radeons, older ones have smaller register ranges. NetBSD/macppc 
>> allows to mmap only what really belongs to the graphics controller so 
>> this call fails. I submitted a bug report against xorg 7.0 for this, 
>> thought they fixed it in later versions.
>
> Let me see if I can get a newer version of xorg from pkgsrc and build 
> it. Thanks!

It should be fixed in xsrc/xorg.

have fun
Michael
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