Hey, I'm very late to the party, just a few comments, On Tue, Oct 11, 2016 at 02:06:27PM +0200, Sergio L. Pascual wrote: > I've just spent some time tuning an Ubuntu 16.04 (I know Fedora is > preferred around here, but a lot of clients seem to prefer Ubuntu and > its derivatives) desktop for VDI usage, and I had a hard time finding a > X Display Manager which plays nice with spice-vdagent (in the sense of > adapting properly to resolution changes, something critical for mobile > clients). I'd like to share my findings: > > - lightdm, slim, kdm: there's no way to specify a program to be > executed while running the greeter, must be worked around with a > wrapper. Changing resolution results in the greeter crashing and/or > hanging. What do you call "a wrapper"? Any idea if the crash is caused by the QXL driver, or if it's an issue on the *dm side? > > - gdm: applications to be run alongside with greeter can be specified > in "/usr/share/gdm/greeter/autostart" (which spice-vdagent already > uses). Sadly, gdm > 3.14 tries to run Xorg as gdm (on greeter) or > logged in user (after log in), which is not supported by QXL driver, as > it needs direct PCI access. I believe this works with Fedora, so this should be manageable somehow? > - sddm: needs a wrapper too, but deals nicely with resolution changes > *IF* not using the "breeze" theme (this drove me crazy for a while, > diving into its source code). Same question about the need for a wrapper ? Christophe
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