Problems with the newest wayland git

Bill Spitzak spitzak at gmail.com
Mon Nov 19 11:30:27 PST 2012


Scott Moreau wrote:

> I believe all open drivers should work with drm at this point. There was 
> a nouveau kernel module bug that was recently fixed. The report can be 
> found here https://bugs.freedesktop.org/show_bug.cgi?id=54576

Nouveau has a bug that makes x11-compositor very very slow (event-ready 
returns false after each event is read for Wayland). This has remained 
true through 4 versions of Ubuntu and every window manager I can think 
of. I posted several emails here about it trying to get hints as to how 
to fix this (I assume there is something x11-compositor can do, as I do 
not see equivalent bugs in other programs).

Despite the obvious slowness, software rendering on the Nvidia driver 
made x11-compositor actually usable by avoiding this bug. Since I am 
interested in trying to design parts of the client/server api of Wayland 
I do not think I should be running it on a system with obvious 
synchronization error as that could hide errors in the design.


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