Interest in nvidia-driver debugging on 5-*

[Daniel Eischen]

On 13 Jun 2003, Samy Al Bahra wrote:

> Hey,
> 
> > I believe the fix is as simple as saving and restoring %gs in
> > the nVidia driver, and/or not letting the nVidia use %gs at
> > all (segment registers generally belong to the OS, in any case,
> > and stealing a CPU register of any kind for exclusive use of a
> > driver is a pig trick).
> 
> Please take a look at http://www.minion.de/
> Christian Zander has written a patch to deal with the gs restoration
> problem and other issues. It is well tested and adopted. Maxime Henrion
> has also written several patches which may be found in the ports system
> (x11/nvidia-driver).
> 
> I think Terry is jumping to conclusions on what Evan's problem could be.
> I have this seen this cause application to crash at exit (if using
> OpenGL) but never a crash in kernel-space from the nVidia drivers.

No, I don't think Terry is jumping to conclusion.  Read
the archives of this problem.  The Nvidia drivers and OpenGL
for FreeBSD won't work with -current and any threading
library other than libc_r.

-- 
Dan Eischen