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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault loading War Thunder"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92850#c47">Comment # 47</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault loading War Thunder"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92850">bug 92850</a>
from <span class="vcard"><a class="email" href="mailto:higuita@gmx.net" title="higuita@gmx.net">higuita@gmx.net</a>
</span></b>
<pre>well, I also having crash in warthunder... i'm using slackware64, kernel 4.3.0
llvm 3.7.0 and mesa 11.1-rc2 and after applying the patch from <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - "LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main" when starting race in stuntrally"
href="show_bug.cgi?id=92709">Bug 92709</a> to fix
the "unsupported call to function ldexpf in main" and recompile, it crash with
a core dump, with this backtrace:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f401499ae18 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
[Current thread is 1 (Thread 0x7f401a951700 (LWP 20315))]
(gdb) bt
#0 0x00007f401499ae18 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#1 0x00007f401499ada9 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f401499186c in glsl_to_tgsi_visitor::try_emit_mad(ir_expression*,
int) () from /usr/lib64/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f401499af50 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#4 0x00007f401499ada9 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
Backtrace stopped: Cannot access memory at address 0x7f401a906318
LIBGL_DEBUG=verbose don't show anything special
If i also recompile with the -O0, it works, so looks now i'm hitting this bug.
I'm using gcc 5.2.0</pre>
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