Bug#900149: xserver-xorg-core: after upgrade plasma shell/ taskbar freezes

[Michel Dänzer <michel@daenzer.net>]

On 2018-05-29 09:18 AM, hlehmbruch@gmx.net wrote:
> Package: xserver-xorg-core
> Version: 2:1.20.0-2
> Severity: important
> 
> Dear Maintainer,
> 
> Hi i tried to use reportbug but something went wrong, so i got a backup
> of it.
> I use that way to report the bug via a grapical email program and the
> html side and copy/paste
> 
> I don't know if this is the right place to report that bug
> 
> *** Reporter, please consider answering these questions, where
> appropriate ***
> 
>    * What led up to the situation?
>    Upgrade the xserver
> 
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
>      apt full-upgrade
> 
>    * What was the outcome of this action?
>    Plasma shell/ taskbar freezes no chance to start a program with
>      mouse click
>    * What outcome did you expect instead?
>    a working desktop
> 
> 
>    After upgrading to 1.20.0.2 the kernel modesetting driver causes the
>    graphical glitches and freezes, no chance to work in graphical mode
>    (intel gpu i915) Downgading xserver-xorg-core or not using the
>    kernel modesetting driver (using the intel driver) solves the
>    porblem for my system.

The freezes are due to a Mesa bug, fixed by
https://cgit.freedesktop.org/mesa/mesa/commit/?id=fe2edb25dd5628c395a65b60998f11e839d2b458
.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer