speaking of nvidia binary drivers and beryl

[Katalichenka, Sergey]

The current 100.14.11 nvidia drivers have two major issues.

1. Random freeze on the dual core systems (can be eliminated by booting
your kernel with idle=poll)
2. Infamous "Black window bug" which has been around through at least
2-3 driver versions. According to the posts I saw on nvidia forums, its
not "high enough priority" This can also be eliminated (by 1. Setting
your rendering platform to AIGLX (serious performance lost). I have also
come across the bug, when beryl will not shut down freezing my laptop
during powerdowns with that setting. And 2, by setting rendering path to
"use copy". Which came with moderate performance lost, and did not
eliminate bug by 100%. In this setting some of your windows will go
black from time to time, but maximizing a window, then resizing it,
forces a redraw. It's not ideal, but at least I can get my window back
and able to shutdown)

Hope it helps


-----Original Message-----
From: fedora-list-bounces at redhat.com
[mailto:fedora-list-bounces at redhat.com] On Behalf Of Matthew Saltzman
Sent: Monday, September 10, 2007 12:21 PM
To: For users of Fedora
Subject: Re: speaking of nvidia binary drivers and beryl

On Sun, 2007-09-09 at 19:08 -0700, Lonni J Friedman wrote:
> On 9/9/07, Matthew Saltzman <mjs at clemson.edu> wrote:
> > On Sun, 2007-09-09 at 13:26 -0700, Lonni J Friedman wrote:
> > > On 9/9/07, Matthew Saltzman <mjs at clemson.edu> wrote:
> > > > On Sun, 2007-09-09 at 10:26 -0700, Lonni J Friedman wrote:
> > > > > The compositing "black window bug" will be fixed in the next
driver release.
> > > >
> > > > Will the inability to dim the display on Quadro NVS 14)M be
fixed in the next release?
> > > >
> > > > Pretty please?
> > >
> > > Depends on the notebook.  In some cases its not a driver bug.
> >
> > Lenovo T61.  If it's not the driver (although apparently the
100.14.09
> > driver version worked), how would we T61 users pursue the issue?
> 
> Report it to Lenovo.

That'll teach me to ask questions by implication...

Is this definitely a T61 issue, or is it a driver issue?

Note that display brightness is settable in WinXP and using the vesa
driver in X.  (The nv driver in X is currently borked, but I had it
working for a few minutes today and brightness is settable there too.)

Thanks.

> 
> 
-- 
                Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs

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