inexplicable fallback mode used when preferred mode 2560x1080 not supported by connection

Adam Jackson ajax at nwnk.net
Mon Feb 13 16:27:08 UTC 2017


On Sun, 2017-02-12 at 05:10 -0500, Felix Miata wrote:

> http://fm.no-ip.com/Tmp/Linux/Xorg/xorg.0.log-big31-ostw-d2913wm.txt is 
> Xorg.0.log plus output from inxi -c0 -G, hwinfo --gfxcard and xrandr from a 
> GT210[1] on host big31 booted to openSUSE Tumbleweed and modesetting driver, 
> which falls to 1400x1050 using an HDMI cable. Using instead nouveau, fall is to 
> 1152x864, same as same PC booted to openSUSE 42.1 using HDMI and modesetting 
> driver, and same PC booted to Fedora 25 using HDMI and nouveau driver.

Can you add Option "ModeDebug" "true" to your Device section in
xorg.conf and give the log from that?

- ajax


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