#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {94641763743984}}
        ret = <optimized out>
#1  0x00007fa9ef1576b3 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
No locals.
#2  0x00007fa9ef107958 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x00007fa9ef0f153d in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20}, sa_mask = {__val = {32, 36, 94641733834903, 171515904, 140367837322568, 94641763610352, 94641763610352, 0, 140367837272824, 1, 94641763748416, 94641763756048, 
              94641733972309, 0, 0, 94641763611201}}, sa_flags = 0, sa_restorer = 0x7fa9ef2a4540 <_IO_file_jumps>}
#4  0x000056137eed18d0 in OsAbort () at ../xorg-server-21.1.4/os/utils.c:1352
No locals.
#5  0x000056137eed3273 in AbortServer () at ../xorg-server-21.1.4/os/log.c:879
No locals.
#6  FatalError (f=f@entry=0x56137ef72590 "Caught signal %d (%s). Server aborting\n") at ../xorg-server-21.1.4/os/log.c:1017
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdab35dfa0, reg_save_area = 0x7ffdab35ded0}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7ffdab35dfa0, reg_save_area = 0x7ffdab35ded0}}
        beenhere = 1
#7  0x000056137eed8c0c in OsSigHandler (unused=<optimized out>, sip=<optimized out>, signo=11) at ../xorg-server-21.1.4/os/osinit.c:156
No locals.
#8  OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../xorg-server-21.1.4/os/osinit.c:110
No locals.
#9  <signal handler called>
No locals.
#10 xf86optionValue (opt=0x100000001) at ../xorg-server-21.1.4/hw/xfree86/parser/Flags.c:270
No locals.
#11 xf86OptionValue (opt=0x100000001) at ../xorg-server-21.1.4/hw/xfree86/common/xf86Option.c:392
No locals.
#12 0x00007fa9ee762af1 in vncModuleInit () at /usr/src/debug/tigervnc/tigervnc-1.12.0/unix/xserver/hw/vnc/vncModule.c:89
        pScrn = <optimized out>
        option = 0x100000001
        scr = 0
        once = 1 '\001'
#13 0x000056137edc4f29 in InitExtensions (argc=<optimized out>, argv=<optimized out>) at ../xorg-server-21.1.4/mi/miinitext.c:272
        i = 30
        ext = 0x561380b9e1d0
#14 0x000056137edb8054 in dix_main (envp=<optimized out>, argv=0x7ffdab35e7f8, argc=9) at ../xorg-server-21.1.4/dix/main.c:194
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
        i = <optimized out>
        alwaysCheckForInput = <optimized out>
        pScreen = <optimized out>
        pScreen = <optimized out>
        remember_it = <optimized out>
        pScreen = <optimized out>
#15 main (argc=9, argv=0x7ffdab35e7f8, envp=<optimized out>) at ../xorg-server-21.1.4/dix/stubmain.c:34
No locals.