Greetings,
I’m on Fedora 19 using akmod-nvidia drivers from RPMfusion repository. I have a 2560x1600 display connected via DVI Dual Link (Cable is dual link) which is not recongized. There are two other displays (1920x1080 via DVI and 1600x900 via HDMI) which work fine.
Using nouveau the display works fine, but when akmod drivers are installed the display is no longer properly recognized. It is still seen by the display manager (Xfce), but for example while Nvidia X Server settings lists the display it only lists 640x480 and 800x600 as available modes though Link is reported as Dual. The display, if enabled, will light up but nothing is actually displayed.
In xrandr it shows up as only supporting 800x600. I have manually tried to add 2560x1600 @ 59.9 but this fails even though it appears to match settings used by nouveau.
$ xrandr -q
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 connected 800x600+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
800x600 60.3*+
HDMI-0 connected (normal left inverted right x axis y axis)
1600x900 60.0 +
1152x864 75.0
1024x768 75.0 70.1 60.0
800x600 75.0 72.2 60.3 56.2
640x480 75.0 72.8 59.9
DP-0 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
1920x1080 60.0*+
1680x1050 60.0
1600x1200 60.0
1440x900 59.9
1280x1024 75.0 60.0
1280x960 60.0
1152x864 75.0
1024x768 75.0 70.1 60.0
800x600 75.0 72.2 60.3 56.2
640x480 75.0 72.8 59.9
DP-1 disconnected (normal left inverted right x axis y axis)
$ cvt 2560 1600 59.9
# 2560x1600 59.86 Hz (CVT) hsync: 99.24 kHz; pclk: 347.75 MHz
Modeline "2560x1600_59.90" 347.75 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
$ xrandr --newmode "2560x1600_59.90" 347.75 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
$ xrandr --addmode DVI-I-1 "2560x1600_59.90"
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 18 (RRAddOutputMode)
Serial number of failed request: 41
Current serial number in output stream: 42
And here’s output from xrandr -q on nouveau:
DVI-I-1 connected 2560x1600+0+0 (normal left inverted right x axis y axis) 670mm x 430mm
2560x1600 59.9*+
DVI-D-1 connected 1920x1080+2560+0 (normal left inverted right x axis y axis) 531mm x 299mm
1920x1080 60.0*+
1600x1200 60.0
1680x1050 59.9
1280x1024 75.0 60.0
1440x900 59.9
1280x960 60.0
1152x864 75.0
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 60.0
720x400 70.1
HDMI-1 connected 1600x900+4480+0 (normal left inverted right x axis y axis) 432mm x 240mm
1600x900 60.0*+
1152x864 75.0
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 60.0
720x400 70.1
DP-1 disconnected (normal left inverted right x axis y axis)
nvidia-bug-report.log.gz (121 KB)