Subject:
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Re: LDGLite Linux install question
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 17 Jun 2003 23:30:22 GMT
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Viewed:
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1687 times
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In lugnet.cad.dev, Orion Pobursky wrote:
> In lugnet.cad.dev, Don Heyse wrote:
> > In lugnet.cad.dev, Orion Pobursky wrote:
> > > I was kinda hopeing that this problem was a problem with my
> > > Linux install and not hardware. Oh well...
> > > Thanks for the effort.
> >
> > Wait a minute! You're not done yet. I poked through the MESA code
> > (common_x86.c) and realized something. The SIGFPE is normally caught
> > by the exception handlers in MESA but in gdb the program stops anyhow.
> > You need to tell gdb to continue to get to the real problem, the
> > SIGSEGV, which is might not be a problem with your hardware.
> >
> > gdb ldglite
> > run
> > (hit the SIGFPE)
> > cont
> > (hit the SIGSEGV)
> > backtrace
> >
> > Don
>
> Ok, here's the output:
>
> (gdb) run
> Starting program: /usr/local/bin/ldglite
>
> Program received signal SIGFPE, Arithmetic exception.
> 0x0816ce13 in _mesa_test_os_sse_exception_support ()
> (gdb) cont
> Continuing.
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x40264843 in xmesa_register_swrast_functions () from /usr/lib/libGL.so.1
> (gdb) backtrace
> #0 0x40264843 in xmesa_register_swrast_functions () from /usr/lib/libGL.so.1
> #1 0x40262127 in XMesaCreateContext () from /usr/lib/libGL.so.1
Well, that's discouraging. It's still happening inside the Mesa
startup code.
Here's a link to what looks like a bug report from over year ago
which seems to indicate it might be an out of memory error. But I
don't see any evidence of a workaround, and they don't seem all that
convinced they really know what the problem is.
http://www.nevrax.org/pipermail/nel/2002-February/000975.html
Meanwhile I built just built Mesa 5.0.1 and tried it on a much more
primitive PC than yours and it worked. I'm not sure what to try next.
Don
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Message has 1 Reply:
 | | Re: LDGLite Linux install question
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| (...) Hmmm, how about trying the packages actually "blessed" by your distribution. According to this page: (URL) might be possible to build Opengl programs with these two packages. 14 May 2003 RPM mesaglu-devel 5.0 (i586) 1433 kB Patch-RPM (...) (21 years ago, 18-Jun-03, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: LDGLite Linux install question
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| (...) Ok, here's the output: (gdb) run Starting program: /usr/local/bin/ldglite Program received signal SIGFPE, Arithmetic exception. 0x0816ce13 in _mesa_test_os_sse_ex...on_support () (gdb) cont Continuing. Program received signal SIGSEGV, (...) (21 years ago, 17-Jun-03, to lugnet.cad.dev)
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