Program received signal SIGSEGV, Segmentation fault. 0x00000034b4e7c44d in malloc_consolidate () from /lib64/libc.so.6 (gdb) bt full #0 0x00000034b4e7c44d in malloc_consolidate () from /lib64/libc.so.6 No symbol table info available. #1 0x00000034b4e7d749 in _int_malloc () from /lib64/libc.so.6 No symbol table info available. #2 0x00000034b4e8005c in malloc () from /lib64/libc.so.6 No symbol table info available. #3 0x00007f08761da0c5 in drm_intel_setup_reloc_list (bo=0x20cbcd0) at intel_bufmgr_gem.c:543 bo_gem = 0x20cbcd0 bufmgr_gem = 0x20710a0 max_relocs = 4094 #4 0x00007f08761dc4b4 in do_bo_emit_reloc (bo=0x20cbcd0, offset=24, target_bo=0x20cbdd0, target_offset=0, read_domains=16, write_domain=16, need_fence=false) at intel_bufmgr_gem.c:1659 bufmgr_gem = 0x20710a0 bo_gem = 0x20cbcd0 target_bo_gem = 0x20cbdd0 fenced_command = false __PRETTY_FUNCTION__ = "do_bo_emit_reloc" #5 0x00007f08761dc7d6 in drm_intel_gem_bo_emit_reloc (bo=0x20cbcd0, offset=24, target_bo=0x20cbdd0, target_offset=0, read_domains=16, write_domain=16) at intel_bufmgr_gem.c:1713 bufmgr_gem = 0x20710a0 #6 0x00007f08761d6344 in drm_intel_bo_emit_reloc (bo=0x20cbcd0, offset=24, target_bo=0x20cbdd0, ---Type to continue, or q to quit--- target_offset=0, read_domains=16, write_domain=16) at intel_bufmgr.c:181 No locals. #7 0x00007f08767afae3 in intel_batchbuffer_emit_reloc (brw=0x7f0875971040, buffer=0x20cbdd0, read_domains=16, write_domain=16, delta=0) at intel_batchbuffer.c:360 ret = 32520 #8 0x00007f08767b00ee in intel_emit_post_sync_nonzero_flush (brw=0x7f0875971040) at intel_batchbuffer.c:597 No locals. #9 0x00007f087682b97a in upload_state_base_address (brw=0x7f0875971040) at brw_misc_state.c:986 mocs = 0 '\000' #10 0x00007f087683acda in brw_upload_state (brw=0x7f0875971040) at brw_state_upload.c:557 atom = 0x7f0876b91540 ctx = 0x7f0875971040 state = 0x7f08759cfe34 i = 5 dirty_count = 0 __PRETTY_FUNCTION__ = "brw_upload_state" #11 0x00007f08767e07fa in brw_try_draw_prims (ctx=0x7f0875971040, arrays=0x20b6598, prims=0x7fff01658370, nr_prims=1, ib=0x0, min_index=0, max_index=3) at brw_draw.c:421 estimated_max_prim_size = 4096 brw = 0x7f0875971040 retval = true ---Type to continue, or q to quit---bt i = 0 fail_next = false #12 0x00007f08767e0b51 in brw_draw_prims (ctx=0x7f0875971040, prims=0x7fff01658370, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=3, unused_tfb_object=0x0) at brw_draw.c:508 brw = 0x7f0875971040 arrays = 0x20b6598 #13 0x00007f08765aefa2 in vbo_draw_arrays (ctx=0x7f0875971040, mode=6, start=0, count=4, numInstances=1, baseInstance=0) at vbo/vbo_exec_array.c:660 vbo = 0x20b30a0 exec = 0x20b3ce8 prim = {{mode = 6, indexed = 0, begin = 1, end = 1, weak = 0, no_current_update = 0, pad = 0, start = 0, count = 4, basevertex = 0, num_instances = 1, base_instance = 0}, {mode = 0, indexed = 0, begin = 0, end = 0, weak = 0, no_current_update = 0, pad = 0, start = 0, count = 0, basevertex = 0, num_instances = 0, base_instance = 0}} #14 0x00007f08765af991 in vbo_exec_DrawArrays (mode=6, start=0, count=4) at vbo/vbo_exec_array.c:812 ctx = 0x7f0875971040 #15 0x00007f0876bc6ed5 in glDrawArrays (mode=6, first=0, count=4) at ./glapi_mapi_tmp.h:1396 _tbl = 0x20b0700 _func = 0x7f08765af917 #16 0x00007f0877008f1f in repaint_region (ev=0x24b27e0, region=0x7fff016584d0, surf_region=0x7fff016584b0) at gl-renderer.c:423