Salut,
voila j'ai ça sur toutes les distros en ce moment, sous mon ancienne install de mint je n'ai pas eu ce souci je crois, peut etre que c'est lié a gnome ?
[fly@localhost ~]$ gtf 1920 1080 59.9
# 1920x1080 @ 59.90 Hz (GTF) hsync: 66.97 kHz; pclk: 172.51 MHz
Modeline "1920x1080_59.90" 172.51 1920 2040 2248 2576 1080 1081 1084 1118 -HSync +Vsync
[fly@localhost ~]$ xrandr --newmode "1920x1080_59.90" 172.51 1920 2040 2248 2576 1080 1081 1084 1118 -HSync +Vsync
[fly@localhost ~]$ xrandr
Screen 0: minimum 8 x 8, current 3200 x 1800, maximum 32767 x 32767
eDP1 connected primary 3200x1800+0+0 (normal left inverted right x axis y axis) 346mm x 194mm
3200x1800 59.98*+
2048x1536 60.00
1920x1440 60.00
1856x1392 60.01
1792x1344 60.01
1600x1200 60.00
1400x1050 59.98
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
1920x1080_59.90 (0x108) 172.510MHz
h: width 1920 start 2040 end 2248 total 2576 skew 0 clock 66.97KHz
v: height 1080 start 1081 end 1084 total 1118 clock 59.90Hz
[fly@localhost ~]$ xrandr --addmode eDP1 1920x1080_59.90
[fly@localhost ~]$ xrandr --output eDP1 --mode 1920x1080_59.90
[fly@localhost ~]$ xrandr
Screen 0: minimum 8 x 8, current 3200 x 1800, maximum 32767 x 32767
eDP1 connected primary 3200x1800+0+0 (normal left inverted right x axis y axis) 346mm x 194mm
3200x1800 59.98*+
2048x1536 60.00
1920x1440 60.00
1856x1392 60.01
1792x1344 60.01
1600x1200 60.00
1400x1050 59.98
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
1920x1080_59.90 59.90
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
ça peut venir du fait que j'ai une carte nvdia + intel (pour l'instant seulement l'intel est active)?