#0  0x00007ffff72231d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff72248c8 in __GI_abort () at abort.c:90
#2  0x00007ffff7262f07 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7ffff736db48 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:196
#3  0x00007ffff726a503 in malloc_printerr (ar_ptr=0x7ffff75a8760 <main_arena>, ptr=<optimized out>, str=0x7ffff736b214 "free(): invalid pointer", action=3) at malloc.c:5013
#4  _int_free (av=0x7ffff75a8760 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:3835
#5  0x00007ffff3ee8534 in _M_dispose (__a=..., this=<optimized out>) at /home/guilherme/Work/miniconda/conda-bld/gcc_1485182876877/work/gcc-5.4.0/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.h:2646
#6  std::string::_M_mutate (this=this@entry=0x7fffffffde38, __pos=__pos@entry=0, __len1=<optimized out>, __len2=__len2@entry=9)
    at /home/guilherme/Work/miniconda/conda-bld/gcc_1485182876877/work/gcc-5.4.0/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.tcc:931
#7  0x00007ffff3ee89ee in std::string::_M_replace_safe (this=0x7fffffffde38, __pos1=0, __n1=<optimized out>, __s=0x7ffff18779f4 "ivybridge", __n2=9)
    at /home/guilherme/Work/miniconda/conda-bld/gcc_1485182876877/work/gcc-5.4.0/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.tcc:1128
#8  0x00007ffff3ee9b3f in std::string::replace (this=this@entry=0x7fffffffde38, __pos=__pos@entry=0, __n1=<optimized out>, __s=<optimized out>, __n2=9)
    at /home/guilherme/Work/miniconda/conda-bld/gcc_1485182876877/work/gcc-5.4.0/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.tcc:867
#9  0x00007ffff2e91642 in replace (__k2=<optimized out>, __k1=<optimized out>, __i2=..., __i1=..., this=0x7fffffffde38) at /usr/include/c++/4.8.2/bits/basic_string.h:1653
#10 assign<char const*> (__last=<optimized out>, __first=<optimized out>, this=0x7fffffffde38) at /usr/include/c++/4.8.2/bits/basic_string.h:1158
#11 setMCPU (mcpu=..., this=0x7fffffffdd80) at /usr/include/mesa-private/llvm/ExecutionEngine/ExecutionEngine.h:604
#12 lp_build_create_jit_compiler_for_module (OutJIT=OutJIT@entry=0x7a59c8, OutCode=OutCode@entry=0x7a59f8, M=<optimized out>, CMM=0x7a5d20, OptLevel=OptLevel@entry=2, useMCJIT=useMCJIT@entry=1, OutError=OutError@entry=0x7fffffffdee0) at gallivm/lp_bld_misc.cpp:596
#13 0x00007ffff2e8f5a4 in init_gallivm_engine (gallivm=0x7a59c0) at gallivm/lp_bld_init.c:245
#14 gallivm_compile_module (gallivm=0x7a59c0) at gallivm/lp_bld_init.c:590
#15 0x00007ffff3126d0e in generate_variant (lp=0x657140, key=0x7fffffffdf30, shader=0x7a04f0) at lp_state_fs.c:2632
#16 llvmpipe_update_fs (lp=lp@entry=0x657140) at lp_state_fs.c:3171
#17 0x00007ffff311f240 in llvmpipe_update_derived (e=e@entry=0x657140) at lp_state_derived.c:209
#18 0x00007ffff310a8d6 in llvmpipe_draw_vbo (pipe=0x657140, info=0x7fffffffe260) at lp_draw_arrays.c:70
#19 0x00007ffff2cb8675 in st_draw_vbo (ctx=0x7ffff7f49010, prims=<optimized out>, nr_prims=<optimized out>, ib=0x0, index_bounds_valid=<optimized out>, min_index=0, max_index=3, tfb_vertcount=0x0, stream=0, indirect=0x0) at state_tracker/st_draw.c:288
#20 0x00007ffff2c81023 in vbo_exec_vtx_flush (exec=exec@entry=0x7587c8, keepUnmapped=<optimized out>) at vbo/vbo_exec_draw.c:422
#21 0x00007ffff2c6c60f in vbo_exec_FlushVertices_internal (exec=0x7587c8, unmap=<optimized out>) at vbo/vbo_exec_api.c:624
#22 0x00007ffff2c7e0c6 in vbo_exec_FlushVertices (ctx=0x7ffff7f49010, flags=flags@entry=1) at vbo/vbo_exec_api.c:1261
#23 0x00007ffff2b664d2 in _mesa_flush (ctx=0x7ffff7f49010) at main/context.c:1871
#24 0x00007ffff786fcf7 in driswSwapBuffers (pdraw=0x75e1b0, target_msc=<optimized out>, divisor=<optimized out>, remainder=<optimized out>, flush=<optimized out>) at drisw_glx.c:558
#25 0x0000000000401580 in main ()