Comment 6 for bug 1768610

That file was gone before the reboot, verified.

On Mon, May 21, 2018, 15:00 Martin D. Weinberg <email address hidden>
wrote:

> Emiliano: the problem file is
> '/etc/X11/Xsession.d/50_check_unity_support'. You might want to confirm
> that this is gone with the purge.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1768610
>
> Title:
> No acceleration after upgrading to 18.04: gnome-session-check-
> accelerated incorrectly picks llvmpipe
>
> Status in gnome-session package in Ubuntu:
> Confirmed
>
> Bug description:
> After an upgrade from 17.10 to 18.04, I noticed that all gnome windows
> animations were gone. After some digging, it seems that gnome-session
> incorrectly assumes that my graphics has no acceleration, when in fact
> it does: it's a i5-2520M CPU @ 2.50GHz with Intel integrated graphics
> (i915 driver).
>
> I've tried this with and without the xserver-xorg-video-intel package
> (a.k.a. Intel driver) with the same behavior.
>
> The output of gnome-session-check-accelerated is: llvmpipe (LLVM 6.0,
> 256 bits) however the system should have DRM 2.0 capability.
>
> GL checks (e.g. glxinfo, glxgears produce the expected output from a
> working DRM system).
>
> mesa-utils and mesa-utils-extra are both installed.
>
> I can't find a work around. Perhaps there is something wrong with my
> install/upgrade?
>
> Everything else works fine, although the graphical transitions are no
> longer smooth. But it would be nice to restore the expected behavior.
>
> I have attached the log of 'journalctl -b0'
>
> ProblemType: Bug
> DistroRelease: Ubuntu 18.04
> Package: gnome-session 3.28.1-0ubuntu2
> ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
> Uname: Linux 4.15.0-20-generic x86_64
> ApportVersion: 2.20.9-0ubuntu7
> Architecture: amd64
> CurrentDesktop: ubuntu:GNOME
> Date: Wed May 2 13:06:00 2018
> EcryptfsInUse: Yes
> InstallationDate: Installed on 2016-04-22 (739 days ago)
> InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
> ProcEnviron:
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: gnome-session
> UpgradeStatus: Upgraded to bionic on 2018-04-27 (5 days ago)
>
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>
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>