Nvidia Drivers

[stan]

On Sun, 6 Nov 2016 12:22:49 -0700
stan <Cuex_groppUd0 at q.com> wrote:

> On Sun, 6 Nov 2016 11:38:29 -0700
> stan <Cuex_groppUd0 at q.com> wrote:
> 
> > On Sun, 06 Nov 2016 06:55:27 +0000
> > Sérgio Basto <sergio at serjux.com> wrote:
> >    
> > > yeah, from Xorg.log:
> > > X.Org X Server 1.18.99.902 (1.19.0 RC 2)
> > > Release Date: 2016-10-28
> > > 
> > > that is why nvidia is broken .    
> > 
> > That new version of X also gives problems to the radeon driver.
> > When I try to do anything that requires significant graphics
> > processing (pygame, vlc, mplayer, ffplay), they run about 1/8 speed
> > (ffplay doesn't but eventually hangs). It isn't noticeable in the
> > GUI because I'm so slow, as a human (last time I checked). I still
> > have X 1.19 in rawhide, and it is slow. When I downgraded X to 1.18
> > in F25, everything started working properly again.
> > 
> > They must have turned off optimization, or hardware acceleration, in
> > these test candidates, or something.  So, as a workaround, find out
> > which xorg-x11-server* packages you have installed, go to koji and
> > get them for X 1.18 and do a local dnf -C downgrade of X.  Then use
> > -x xorg* on any future updates to stay at 1.18.  
> 
> Yet, when I tried playing youtube videos in firefox nightly, they
> played as normal.  I compile with cairo-gtk3 and with-X as options, so
> maybe that has something to do with it.  But it doesn't make sense
> that local players should have problems with local videos if firefox
> can play remote videos.  For what it is worth, I also compile mplayer
> locally, so it should be using the latest libraries too.
> 
> Puzzling.

With this weeks updates to rawhide, mplayer plays local videos at
normal speed, but like ffplay, they now hang near the end of the
video. :-(  I have to kill the process to recover.  Web videos still
play fine in firefox.