I have seen exactly the same backtrace as in Debian #394716 on LFS, so I
think my comments may help. Please notify me if they are useful.
After recompilimg Mesa with debugging information, I found that the
segfault is in r200InitTnlFuncs() called from r200CreateContext(). The
only way the r200InitTnlFuncs() function can segfault is that
TNL_CONTEXT(ctx) is NULL. I have added some debugging calls to
_mesa_problem() to find out where it becomes NULL, and found that it is
NULL already after _tnl_CreateContext( ctx ) in r200CreateContext().
Adding _mesa_problem()s to the _tnl_CreateContext() function doesn't
print anything, I guess I have to recompile xorg-server with patched
Mesa as well for them to be called.
--
Alexander E. Patrakov
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