DragonFly BSD
DragonFly kernel List (threaded) for 2004-04
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Re: nvidia machdep.c patch still useful ?


From: Andrew Atrens <atrens@xxxxxxxxxxxxxxxxxx>
Date: Wed, 07 Apr 2004 22:18:21 -0400

FYI folks,

I found some light on this topic :)

http://lists.freebsd.org/pipermail/freebsd-threads/2003-June/000531.html

Looks like the issue relates to TLS (thread local storage).

On digging a bit more, we're also missing another assumption - that %gs 
is always zero on exec of a new process (for linux binaries that is, though
I'm not sure how this wouldn't relate to FreeBSD binaries using nVidia's 
OpenGL libs). nVidia provides a -current patch for this (to linux_sysvec.c).

Andrew.



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