Thread 12 "OpenGL dispatch" received signal SIGSEGV, Segmentation fault. __memset_avx2 () at ../sysdeps/x86_64/multiarch/memset-avx2.S:135 #0 __memset_avx2 () at ../sysdeps/x86_64/multiarch/memset-avx2.S:135 No locals. #1 0x00007fd821f8741a in r600_query_hw_prepare_buffer (ctx=0x6a4cb60, query=0x7fd6e31f7580, buffer=0x7fd6c9d6c620) at /usr/include/x86_64-linux-gnu/bits/string3.h:90 results = 0x0 #2 0x00007fd821f87bdc in r600_new_query_buffer (ctx=0x6a4cb60, query=0x7fd6e31f7580) at ../../../../../../src/gallium/drivers/radeon/r600_query.c:274 buf_size = #3 0x00007fd821f87dd6 in r600_create_query (ctx=0x6a4cb60, query_type=, index=0) at ../../../../../../src/gallium/drivers/radeon/r600_query.c:341 rctx = 0x6a4cb60 #4 0x00007fd821a151ae in st_BeginQuery (ctx=0x6aeea60, q=0x7fd6e31f7540) at ../../../../src/mesa/state_tracker/st_cb_queryobj.c:157 pipe = 0x6a4cb60 type = #5 0x0000000001f1faea in ?? () No symbol table info available. #6 0x00007fd8330bec70 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #7 0x00007fd83836d6fa in start_thread (arg=0x7fd7a77fe700) at pthread_create.c:333 __res = pd = 0x7fd7a77fe700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140564204873472, -810831280391649015, 0, 140726383616095, 8388608, 109603216, 797163250645666057, 796901094352554249}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007fd832824b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109