[Nouveau] GeForce FX5200 dual DVI & Samsung 204b

Grzesiek Sójka pld at pfu.pl
Thu Sep 30 08:13:56 PDT 2010

I did download new sources and applied the amd-agp patch but no change.
I get the some problems. Here is the dmesg without modeset:
Then I added following modeline to the file drm_edid_modes.h

/* 1600x1200 at 50Hz */
{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 135000, 1600, 1664,
  1856, 2160, 0, 1200, 1201, 1204, 1250, 0,

and tried to force the mode by setting video=DVI-I-[12]:1600x1200-15 at 50.
No luck, here you have the dmesg:

I also did some test with the xorg:

The interesting thing is that according to the dmesg the xorgs tries to
set the mode:
Modeline 58:"1600x1200_def" 0 144000 1600 1628 1788 1920 1200 1201 1204
1250 0x0 0x0
but just after the mode is used:
Modeline 75:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250
0x48 0x5
Here is the xrandr --verbose output:

Just in case I also recorded the xrandr output in the case of the Nvidia
binary driver:
I was really surprised because the xrandr claims that the refresh rate
is 50Hz but at the OSD there is an information that the refresh rate is
60Hz. What to think?? Next thing is that the refresh rate of 50Hz is out
of the monitor range: VertRefresh 56 - 75. So the Xserver should not to
set it to 50.

All the time (when using nouveau.ko) the monitor #1 is switched off and
#2 is blinking. It does not mater if Xserver is running or not.

Please let me know if you need any more data.

Thanks for any help in advance.


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