Re: New nvidia drivers available

From: Doug Rabson <dfr_at_nlsystems.com>
Date: Sun, 15 Aug 2004 17:24:45 +0100
On Sunday 15 August 2004 17:21, Stefan Ehmann wrote:
> On Sun, 2004-08-15 at 18:06, Doug Rabson wrote:
> > On Sunday 15 August 2004 16:59, Stefan Ehmann wrote:
> > > On Sun, 2004-08-15 at 17:29, Doug Rabson wrote:
> > > > On Sunday 15 August 2004 16:12, Stefan Ehmann wrote:
> > > > > On Sun, 2004-08-15 at 11:24, Doug Rabson wrote:
> > > > > > On Sunday 15 August 2004 09:39, Stefan Ehmann wrote:
> > > > > > > On Sun, 2004-08-15 at 02:56, Johan Pettersson wrote:
> > > > > > > > On Sat, 14 Aug 2004 19:34:24 +0100
> > > > > > > >
> > > > > > > > Doug Rabson <dfr_at_nlsystems.com> wrote:
> > > > > > > > > The latest 6113 build of the nvidia graphics drivers
> > > > > > > > > has just appeared
> > > > >
> > > > > ...
> > > > >
> > > > > > > > Im running the new driver on a recent -CURRENT and xorg
> > > > > > > > 6.7.0. When starting zsnes I get this:
> > > > > > > >
> > > > > > > > beard ~> zsnes
> > > > > > > > Fatal error 'Exceeded maximum lock level' at line 261
> > > > > > > > in file /usr/src/lib/libpthread/thread/thr_cancel.c
> > > > > > > > (errno = 0) Bus error (core dumped)
> > > > > > > > beard ~>
> > > > > > >
> > > > > > > Same error message here when starting neverball. If I map
> > > > > > > libpthread->libc_r it's working again.
> > > > > > >
> > > > > > > xawtv also stopped working. Fortunately setting -xvport
> > > > > > > manually did fix that.
> > > > > >
> > > > > > This might be because libGL calls libpthread's version of
> > > > > > open() before libpthread has initialised properly. This
> > > > > > patch might fix it - it fixes neverball's map compiler for
> > > > > > me but I haven't actually run neverball itself.
> > > > >
> > > > > That fixed the problem, thanks.
> > > > >
> > > > > Just noticed that libthr seems to have similiar problems.
> > > > > Here's a backtrace when starting neverball using libthr.
> > > >
> > > > This patch ought to fix libthr (I haven't tested it).
> > >
> > > Not quite. No segfault any more but neverball (or any GL app)
> > > immediately exits returning 1 immediately after startup.
> >
> > Interesting. That sounds like a bug I tracked down where libGL was
> > using a 'pthread_once_t' structure which didn't match the libthr
> > (and libpthread) ABI. Something to do with linuxthreads
> > compatibility. Can you tell me if it dies shortly after a call to
> > pthread_once() with a structure containing a non-zero mutex
> > pointer?
>
> No, couldn't find any calls to pthread_once(). This is the last bit
> from truss output when trying to start glxgears. If you need, I can
> provide a complete truss/ktrace output.

Don't worry - I've already reproduced it locally. This is a regression 
of something which I thought was already fixed. By the looks of it, 
this version of libGL won't work with libthr, I'm afraid.
Received on Sun Aug 15 2004 - 14:24:36 UTC

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