Bug#474319: xserver-xorg-video-nv: In lenny only the 75% of the screen is used while in etch was 100%
The problem has been solved by changing the xorg.conf file in
/etc/X11/ directory.
A new "Modes" section has been added and its content has been
available to the "Monitor" section with the "UseModes" entry.
A new copy of the xorg.conf file has been attached.
The problem rely on the automatically detected ModeLines: for the
1680x1050 resolution there are 3 discoveries by the server:
1. (**) NV(0): *Driver mode "1680x1050": 146.2 MHz, 65.3 kHz, 60.0 Hz
(II) NV(0): Modeline "1680x1050" 146.25 1680 1784 1960 2240 1050
1053 1059 1089 +hsync -vsync
(**) NV(0): Driver mode "1680x1050": 146.2 MHz, 65.3 kHz, 60.0 Hz
(II) NV(0): Modeline "1680x1050" 146.25 1680 1784 1960 2240 1050
1053 1059 1089 -hsync +vsync
(**) NV(0): Default mode "1680x1050": 147.1 MHz, 65.2 kHz, 60.0 Hz
(II) NV(0): Modeline "1680x1050" 147.14 1680 1784 1968 2256 1050
1051 1054 1087
2.
3.
The workaround
The problem of a new call to dpkg-reconfigure still remains: if a new
reconfiguration is made, then all the maually inserted changed are
lost, and then they has to be re-entered by hand... Maybe a
"dpkg-reconfigure -phigh xserver-xorg" with the -phigh option can
avoid this problem, but I did not tested it yet.
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