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Re: display limited to 1/4 of monitor after upgrade to sid, 2.6.32, grub 2



Kent West wrote:
On 06/03/2010 04:10 PM, Sven Joachim wrote:
On 2010-06-03 22:49 +0200, Kent West wrote:

When I boot 2.6.32 using grub2, my display is only in the top left
quadrant of my monitor, leaving a huge unusable border around the
right and bottom of my viewable area, and leaving my viewable area too
small to be very usable. It's like the resolution is locked at
something small, like 320x180, and pushed into the upper left corner
of the monitor. (xdpyinfo within X reports:
screen #0:
   dimensions:    720x576 pixels (191x152 millimeters)
   resolution:    96x96 dots per inch
   depths (7):    24, 1, 4, 8, 15, 16, 32

(but this problem does not only affect X, which I'm starting manually
with "startx"; it begins in the console mode just after the grub menu
and about 20-30 seconds of black screen, with a text image finally
appearing mid-boot.
This happens when udev starts and loads the nouveau module, switching to
graphics mode.  Text mode appears to be b0rked with your card/monitor.

[ 6.338804] [drm] nouveau 0000:04:06.0: allocated 1280x1024 fb: 0x49000, bo efa1a000
This looks normal, I get something similar.

[    6.486533] Console: switching to colour frame buffer device 90x36
But this is bad, it should have been 160x64.  The 90x36 match the
xdpyinfo output, though.


What do these numbers (90x36 & 160x64) mean, and how do you see those in the snippet of xdpyinfo's output that I included above?


I get:
Jun 4 08:54:49 debian kernel: [ 0.000000] Console: colour dummy device 80x25 Jun 4 08:54:49 debian kernel: [ 0.231537] Console: switching to colour frame buffer device 128x48 and AFAIK those refer to the number of characters per x and y axis on the console.

But xdpyinfo shows nothing about the console:
  dimensions:    1280x1024 pixels (296x236 millimeters)
  resolution:    110x110 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32

My VT consoles indeed are 128 characters by 48 lines.
I use NVidia's 195.36.24 and:

/Fri Jun 04-09:23:45SDB3# uname -a
Linux debian 2.6.34-hvw #1 PREEMPT Sat May 29 10:09:31 CDT 2010 i686 GNU/Linux

Hugo









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