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Re: X problem with upgrade to kernel 2.4

On Don, 2002-12-12 at 02:29, W. Crowshaw wrote:
> I have, however, encountered a problem with X video.
> Console video works great.  No artifacts and it
> appears in the same resolution that it had when I
> was running 2.2.20-pmac.  X video is another story.
> I'm running XFree86 Version which came with
> woody.  Using kernel 2.4.20-rc-ben0, I now
> can't get the "1024x768" resolution I once had.
> Instead, I get a message on VT8 that reports that
> the "signal is out of range" -- can't really tell if
> the monitor is printing out this message or the
> Xserver.

Not the X server for sure.

> (**) FBDev(0): Default mode "1024x768": 44.9 MHz (scaled from 0.0 MHz), 35.5 kHz, 87.0 Hz (I)
> (II) FBDev(0): Modeline "1024x768"   44.90  1024 1032 1208 1264  768 768 776 817 interlace +hsync +vsync
> (**) FBDev(0): Default mode "800x600": 36.0 MHz (scaled from 0.0 MHz), 35.2 kHz, 56.2 Hz
> (II) FBDev(0): Modeline "800x600"   36.00  800 824 896 1024  600 601 603 625 +hsync +vsync

Those are funny modes. If you use custom mode definitions, try without,
or with definitions from fbset -x in console. Otherwise, play with the
refresh ranges in the monitor section.

> Since kernel 2.4 has been around awhile, I figure
> someone has already seen this problem.  Is there a
> solution?

It's not really a kernel problem, it's just that you've never used a
different video mode than the one set by OF before.

Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast

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