Date: Sat, 8 May 1999 04:24:03 +0000 (GMT) From: eagle <eagle@eagle.phc.igs.net> To: Lee Cremeans <lcremeans@erols.com> Cc: hackers@FreeBSD.ORG, multimedia@FreeBSD.ORG Subject: Re: G200 GLX and SIGFPU Message-ID: <Pine.BSF.3.96.990508042226.1394B-100000@eagle.phc.igs.net> In-Reply-To: <19990508050945.A4995@erols.com>
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On Sat, 8 May 1999, Lee Cremeans wrote: > I'm playing with the GLX (server-side OpenGL-to-hardware interface) drivers > for the Matrox G200 2D/3D chip (very good chip, btw), and the good news is > that they work in FreeBSD. > > Mostly. > > My problem is that sometimes, the driver (which loads into a XFree86 3.3.x > server as a module, and also comes with a Mesa-based libGL.so) likes to kill > the X server with a SIGFPU at a certain point in the code (in the hardware > pixel/texel-smoothing routines, to be exact). When I run the SGI logo.c > demo, it will kill the server, eventually, with SIGFPU, and when I play > q3test through the driver, it'll drop the server at or near the same place > in the code as logo.c. This doesn't happen when Mesa itself is doing the > rendering in software. > > The reason I'm asking here on the FreeBSD lists about this is because I > remember some rumblings a while back about differences in the way FreeBSD > and Linux handle the FPU, and whether they'd be pertinent to this. It'd > appear, from what I've seen, that all development on these drivers (until > now) has been done on Linux, so a lot of these SIGFPU issues would be > "invisible" to them. > > If anyone wants a look at the code, the CVS information is at > > http://lists.openprojects.net/mailman/listinfo/g200-dev > > and I can also get crash dumps and backtraces for anyone who wants them. > > -lee I've seen similar error messages with mesa in particalur in relation to flightgear, I don't have a solution as of yet though. Rob To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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