Bug#430885: xserver-xorg-video-intel: new intel driver doesn't support all modes of i810 driver
Your X log reports that the server knows about your desired mode:
(II) intel(0): Modeline "1280x1024"x85.0 157.50 1280 1344 1504 1728
1024 1025 1028 1072 +hsync +vsync (91.1 kHz)
(II) intel(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz)
(II) intel(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz)
Do you have xrandr 1.2 installed? What does "xrandr" say? Does
"xrandr --verbose" show the modes listed above? Did you select your
mode with "xrandr --mode 1280x1024"?
Work is ongoing in the server to make xorg.conf redundant altogether.
One thing you could try is deleting xorg.conf completely and seeing
what kind of success you get. Or alternatively delete the Modes lines
from the Screen section.
Drew
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