(gdb) backtrace 
#0  0xf7fd7d09 in __kernel_vsyscall ()
#1  0xf7a9a5c9 in raise () from /lib/libc.so.6
#2  0xf7a9bca7 in abort () from /lib/libc.so.6
#3  0xf7a92e17 in __assert_fail_base () from /lib/libc.so.6                                                                                                                       
#4  0xf7a92e9b in __assert_fail () from /lib/libc.so.6                                                                                                                            
#5  0xf68f030a in hud_pane_add_graph (pane=0x56b380c0, gr=0x56b3f5c0) at ../../../../src/gallium/auxiliary/hud/hud_context.c:694                                                  
#6  0xf68f21f2 in hud_cpu_graph_install (pane=0x56b380c0, cpu_index=7) at ../../../../src/gallium/auxiliary/hud/hud_cpu.c:216                                                     
#7  0xf68f1404 in hud_parse_env_var (env=0xffffdc61 "", hud=0x56b35768) at ../../../../src/gallium/auxiliary/hud/hud_context.c:901                                                
#8  hud_create (pipe=<optimized out>, cso=<optimized out>) at ../../../../src/gallium/auxiliary/hud/hud_context.c:1305                                                            
#9  0xf688aa9f in dri_create_context (api=API_OPENGL_COMPAT, visual=0x56a5f838, cPriv=0x56a5bf28, major_version=1, minor_version=0, flags=0, notify_reset=false,                  
    error=0xffff966c, sharedContextPrivate=0x0) at ../../../../../src/gallium/state_trackers/dri/dri_context.c:156                                                                
#10 0xf6889af4 in driCreateContextAttribs (screen=0x569cb018, api=0, config=0x56a5f838, shared=0x0, num_attribs=2, attribs=0xffff9688, error=0xffff966c, data=0x5697a388)         
    at ../../../../../../src/mesa/drivers/dri/common/dri_util.c:448                                                                                                               
#11 0xf7297cce in dri3_create_context_attribs (error=0xffff966c, attribs=0x0, num_attribs=0, shareList=0x0, config_base=0x56a8db40, base=0x5697a140)
    at ../../../src/glx/dri3_glx.c:300
#12 dri3_create_context (base=0x5697a140, config_base=0x56a8db40, shareList=0x0, renderType=32788) at ../../../src/glx/dri3_glx.c:329
#13 0xf72628e9 in CreateContext (screen=0, renderType=<optimized out>, code=3, allowDirect=1, shareList_user=0x0, config=0x56a8db40, generic_id=807, dpy=0x56933eb0)
    at ../../../src/glx/glxcmds.c:300
#14 glXCreateContext (dpy=0x56933eb0, vis=0x5697a520, shareList=0x0, allowDirect=1) at ../../../src/glx/glxcmds.c:431
#15 0x565a2592 in ?? ()
#16 0x565a771f in CBaseLinuxUpdateUI::GatherGLInfo() ()
#17 0x565a7ccf in CBaseLinuxUpdateUI::BaseCreateWindow() ()
#18 0x565a8910 in CXWindowsUpdateUI::BCreateWindow() ()
#19 0x56577d53 in ?? ()
#20 0xf7a855a6 in __libc_start_main () from /lib/libc.so.6
#21 0x5657b009 in _start ()