should i file a bug against the kernel or X11 here?
i have a new AOC 31.5" screen with 2560x1440 connectd via display port
to a i7-3770 which works fine after boot and as long as i don't try to
switch to a VT also continues to work as expected
but wehn the screen is longer powered of and you try to switch back to
VT2 (CTRL+ALT+F2) you have either the wrong resolution leading that you
can't read the bottom of the VT besides unreadable font
more sadly in most cases doing so Xorg freezes completly up to freeze
most of the machine (webserver still reachable but even ssh login for
clean reboot hangs)
_______________________
/etc/X11/xorg.conf.d/02-intel.conf:
Section "Device"
Identifier "Videocard0"
Driver "modesetting"
Option "AccelMethod" "glamor"
EndSection
_______________________
here is 2560x1440 completly missing
[ 45.896] (II) modeset(0): Supported established timings:
[ 45.896] (II) modeset(0): 720x400@70Hz
[ 45.896] (II) modeset(0): 640x480@60Hz
[ 45.896] (II) modeset(0): 640x480@67Hz
[ 45.896] (II) modeset(0): 640x480@72Hz
[ 45.896] (II) modeset(0): 640x480@75Hz
[ 45.896] (II) modeset(0): 800x600@56Hz
[ 45.896] (II) modeset(0): 800x600@60Hz
[ 45.896] (II) modeset(0): 800x600@72Hz
[ 45.896] (II) modeset(0): 800x600@75Hz
[ 45.896] (II) modeset(0): 832x624@75Hz
[ 45.896] (II) modeset(0): 1024x768@60Hz
[ 45.896] (II) modeset(0): 1024x768@70Hz
[ 45.896] (II) modeset(0): 1024x768@75Hz
[ 45.896] (II) modeset(0): 1280x1024@75Hz
[ 45.896] (II) modeset(0): Manufacturer's mask: 0
_______________________
some lines later in Xorg.0.log it looks fine:
[ 45.896] (II) modeset(0): Printing probed modes for output DP-1
[ 45.896] (II) modeset(0): Modeline "2560x1440"x60.0 241.50 2560
2608 2640 2720 1440 1443 1448 1481 +hsync +vsync (88.8 kHz eP)
[ 45.896] (II) modeset(0): Modeline "2560x1440"x75.0 296.00 2560
2568 2600 2666 1440 1443 1448 1481 +hsync -vsync (111.0 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080"x60.0 148.50 1920
2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080"x50.0 148.50 1920
2448 2492 2640 1080 1084 1089 1125 +hsync +vsync (56.2 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080"x59.9 148.35 1920
2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.4 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080i"x60.0 74.25 1920
2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.8 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080i"x50.0 74.25 1920
2448 2492 2640 1080 1084 1094 1125 interlace +hsync +vsync (28.1 kHz e)
[ 45.896] (II) modeset(0): Modeline "1920x1080i"x59.9 74.18 1920
2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.7 kHz e)
_______________________
and here (after power on screen) xorg.0.log.old 2560x1440 is missing
[ 28980.668] (II) modeset(0): Printing probed modes for output DP-1
[ 28980.668] (II) modeset(0): Modeline "1920x1080"x60.0 148.50 1920
2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1920x1080"x50.0 148.50 1920
2448 2492 2640 1080 1084 1089 1125 +hsync +vsync (56.2 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1920x1080"x59.9 148.35 1920
2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.4 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1920x1080i"x60.0 74.25 1920
2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.8 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1920x1080i"x50.0 74.25 1920
2448 2492 2640 1080 1084 1094 1125 interlace +hsync +vsync (28.1 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1920x1080i"x59.9 74.18 1920
2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.7 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1280x1440"x59.9 156.00 1280
1376 1512 1744 1440 1443 1453 1493 -hsync +vsync (89.4 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1680x1050"x60.0 146.25 1680
1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[ 28980.668] (II) modeset(0): Modeline "1280x1024"x75.0 135.00 1280
1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
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