.
Thread 1 (Thread 14752):
#0  0x00007f5698989c59 in XFreeGC (dpy=0x2534bd0, gc=0x105500001054) at ../../src/FreeGC.c:43
        req = 0x253bb88
        ext = 0x0
#1  0x00007f569898279b in XCloseDisplay (dpy=0x2534bd0) at ../../src/ClDisplay.c:56
        sp = <value optimized out>
        ext = <value optimized out>
        i = <value optimized out>
#2  0x000000000045ff76 in GLimp_Shutdown () at unix/unix_glw.c:544
No locals.
#3  0x00000000004a6a06 in R_Shutdown (verbose=<value optimized out>) at ref_gl/r_register.c:1179
No locals.
#4  0x0000000000459c72 in VID_Shutdown () at client/cl_vid.c:284
No locals.
#5  0x0000000000451b68 in CL_Shutdown () at client/cl_main.c:2665
No locals.
#6  0x000000000041cc95 in Com_Error (code=0, format=<value optimized out>) at qcommon/common.c:412
        argptr = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff33549080, reg_save_area = 0x7fff33548fc0}}
        recursive = qtrue
#7  <signal handler called>
No symbol table info available.
#8  0x00007f568db408e2 in ?? ()
No symbol table info available.
#9  0x5152525200000000 in ?? ()
No symbol table info available.
#10 0x00007fff3354a680 in ?? ()
No symbol table info available.
#11 0x000000000270b300 in ?? ()
No symbol table info available.
#12 0x00007fff3354cfe0 in ?? ()
No symbol table info available.
#13 0x00007fff3354cff0 in ?? ()
No symbol table info available.
#14 0x00007f568ddc9958 in ?? ()
No symbol table info available.
#15 0x000000000270f5f0 in ?? ()
No symbol table info available.
#16 0x00007fff3354a510 in ?? ()
No symbol table info available.
#17 0x0000000000000003 in ?? ()
No symbol table info available.
#18 0x00007fff06000001 in ?? ()
No symbol table info available.
#19 0x000000000270b300 in ?? ()
No symbol table info available.
#20 0x00000000027f49a0 in ?? ()
No symbol table info available.
#21 0x0000000000000000 in ?? ()
No symbol table info available.