On 06/09/2017 06:00 PM, Niels Thykier wrote: > Julien Cristau: >> On 06/05/2017 01:50 PM, Niels Thykier wrote: >>> Hi, >>> >>> CC'ing debian-x, who I hope can help us with some clarification. >>> >>> [...] >> >> This looks wrong, I believe the package name is gdm3, not gdm. >> > > Thanks, corrected. > >> [...] >>>> Switching over to lightdm I can get a usable session without -legacy >>>> as long as I have -input-libinput. So I'm afraid I have no idea >>>> what's going on, or even how many problems there are. >>>> >>> >>> As I understand it, lightdm will start X as root unconditionally, so >>> that will work with or without -legacy. You want -legacy when using gdm >>> (or startx) plus have "old drivers". >>> >>> * @debian-x: Is the above correct? >>> >> Yes, any reasonable (read: KMS) setup will work fine without -legacy. >> In the absence of KMS (e.g. virtualbox, or new hardware not supported by >> the drivers we ship), you'll need either -legacy or a DM that hasn't >> been updated to starting X as non-root yet. >> >> Cheers, >> Julien >> > > Thanks for confirming. > > I also noticed that the wiki has some points on this: > https://wiki.debian.org/NewInStretch > > """ > Upgrade issues > > * For many Intel graphics chipsets, the Stretch X server will use the > modeset driver instead of the intel driver. The modeset driver may > require non-free firmware (firmware-misc-nonfree) to activate > features, even on systems which did not use this firmware under > Jessie. > > * For some older graphics chipsets, support has been relegated to > "legacy drivers", which require the old setuid X server to run. > Install xserver-xorg-legacy if you require one of these drivers. > """ > > I believe the release-notes has the latter point, but not the former. I > will add that now. > That doesn't sound correct either.
* xserver-xorg-legacy is now installed by default, so I'm not sure we need this * the firmware requirement has nothing to do with the switch from the "intel" to the "modesetting" (not modeset) driver. Cheers, Julien