That's what I assumed too, except that X also fails to launch via gdm3 without the legacy wrapper if I remove the Geode driver and let the Xserver use its own choice of fbdev or its built-in modeline driver.
Martin-Éric 2015-10-19 20:00 GMT+03:00 Julien Cristau <[email protected]>: > Gdm now starts X as the user, I guess lightdm starts it as root. > > Cheers, > Julien > > On October 19, 2015 6:45:15 PM CEST, "Martin-Éric Racine" > <[email protected]> wrote: >> >> 2015-10-19 18:31 GMT+03:00 Julien Cristau <[email protected]>: >>> >>> On Mon, Oct 19, 2015 at 17:27:35 +0300, Martin-Éric Racine wrote: >>> >>>> Package: xserver-xorg-core >>>> Version: 2:1.17.2-3 >>>> Severity: important >>>> >>>> Since a new Xorg transitioned into Testing today, X flat out fails to >>>> launch. >>>> >>>> $ ls -al /dev/fb0 >>>> crw-rw---- 1 root video 29, 0 loka 19 2015 /dev/fb0 >>>> >>>> $ ls -al /dev/cpu/0/msr >>>> crw------- 1 root root 202, 0 loka 19 2015 /dev/cpu/0/msr >>> >>> >>> If the geode driver requires running X as root, it should depend on the >>> new xserver-xorg-legacy package. >> >> >> lightdm launches fine as-is with the Geode driver. Only gdm3 ! >> seems >> to >> require that special wrapper to launch on Geode. >> >> -- Martin-Éric >> > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity.

