forwarded 420203 https://bugs.freedesktop.org/show_bug.cgi?id=10623
thank you
luben karavelov wrote:
Screen 0: minimum 320 x 200, current 1280 x 768, maximum 1280 x 1280
VGA connected 1280x768+0+0 normal (normal left inverted right) 0mm x 0mm
Identifier: 0x4b
Timestamp: 303234099
Subpixel: unknown
Clones:
CRTC: 0
CRTCs: 0
1280x800 (0x4c) 83.5MHz
h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 49.7KHz
v: height 800 start 801 end 804 total 828 clock 60.0Hz
1280x768 (0x4d) 80.1MHz
h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 47.7KHz
v: height 768 start 769 end 772 total 795 clock 60.0Hz
1024x768 (0x4e) 65.0MHz
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
800x600 (0x4f) 40.0MHz
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
640x480 (0x50) 25.2MHz
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
Ok this shows that only 5 resolutions are detected, and 1280x768 is
chosen by default for some reason. Note that you may use 'xrandr
--output VGA --mode 1024x768' to change to 1024x768 at runtime. It looks
like your old 1280x1024 is not detected here because hsync and vrefresh
are out of range.