https://bugs.freedesktop.org/show_bug.cgi?id=29578
--- Comment #2 from Shaker shaker@mail.bg 2010-08-14 12:56:12 PDT --- Backtrace with debug :
Application: KWin (kwin), signal: Segmentation fault [KCrash Handler] #7 draw_llvm_destroy (llvm=0x0) at draw/draw_llvm.c:289 #8 0xb4916266 in draw_destroy (draw=0x8c1ca68) at draw/draw_context.c:138 #9 0xb48c543e in st_destroy_draw (st=0x8c07d78) at state_tracker/st_draw.c:763 #10 0xb48c4e2a in st_destroy_context_priv (st=0x8c07d78) at state_tracker/st_context.c:188 #11 st_destroy_context (st=0x8c07d78) at state_tracker/st_context.c:240 #12 0xb488855b in st_context_destroy (stctxi=0x8c07d78) at state_tracker/st_manager.c:594 #13 0xb47afce0 in dri_destroy_context (cPriv=0x8b8d980) at dri_context.c:113 #14 0xb47abc47 in driDestroyContext (pcp=0x8b8d980) at ../common/dri_util.c:572 #15 0x00862553 in ?? () from /usr/lib/mesa/libGL.so.1 #16 0x0083ad4f in ?? () from /usr/lib/mesa/libGL.so.1 #17 0x00451a25 in KWin::CompositingPrefs::deleteGLXContext (this=0x8b8d890) at ../../kwin/compositingprefs.cpp:221 #18 0x0045477f in KWin::CompositingPrefs::detect (this=0xbfc97978) at ../../kwin/compositingprefs.cpp:161 #19 0x003d8d2b in KWin::Options::reloadCompositingSettings (this=0x8b558e0) at ../../kwin/options.cpp:250 #20 0x003dc494 in KWin::Options::updateSettings (this=0x8b558e0) at ../../kwin/options.cpp:224 #21 0x003b9605 in Application (this=0xbfc98514) at ../../kwin/main.cpp:323 #22 0x003ba88c in kdemain (argc=3, argv=0xbfc98774) at ../../kwin/main.cpp:510 #23 0x080485ab in main (argc=3, argv=0xbfc98774) at kwin_dummy.cpp:3