Date: Wed, 11 Jun 2003 12:08:17 -0400 (EDT)
From: Daniel Eischen <eischen@pcnet.com>
To: Alexander Nedotsukov <bland@mail.ru>
Cc: "Matthew N. Dodd" <mdodd@freebsd.org>
Subject: Re: nvidia OpenGL and lib{thr,kse} related crash
Message-ID: <Pine.GSO.4.10.10306111207070.13761-100000@pcnet5.pcnet.com>
In-Reply-To: <3EE74525.7020809@mail.ru>
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On Thu, 12 Jun 2003, Alexander Nedotsukov wrote: > Daniel Eischen wrote: > > >On Wed, 11 Jun 2003, Alexander Nedotsukov wrote: > > > > > > > >>Matthew N. Dodd wrote: > >> > >> > >> > >>>Check http://www.minion.de/nvidia.html. > >>> > >>> > >>> > >>Looks like this patches mostly present in ports tree. For my > >>undestanding the missed two should prevent memory access after free() > >>inside kernel and memory allocation for DMA push buffers. Anyway I'll > >>check it later evening when can get closer to my pc. > >> > >> > > > >If your OpenGL applications or the libraries that they depend > >on are using any of the COMPAT4X signal syscalls, then they > > > The kernel driver compilled by me on -cuurent. The OpenGL library by > nvidia on 4.x for sure. > Can you say is this http://www.minion.de/files/machdep.c.diff supposed > to save %gs? > > >won't work with libthr or libkse. The COMPAT4X stuff in the > >kernel destroys %gs which libthr and libkse both rely on > >for their own use. Are you sure that all your applications > >and libraries are rebuilt under -current? You can try > >rebuilding your kernel without COMPAT4X and see if any > > > Well just give me a hint which one should be removed: > > options COMPAT_43 #Compatible with BSD 4.3 [KEEP > THIS!] > options COMPAT_FREEBSD4 #Compatible with FreeBSD4 Actually, it looks as if COMPAT_FREEBSD4 is OK and COMPAT_43 is not (sendsig() will destroy %gs). You can try removing both though and see what happens. -- Dan Eischen
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