#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
  [Error: raise.c was not found in source tree]
#1  0x00007f4348acff5d in __GI_abort () at abort.c:90
  [Error: abort.c was not found in source tree]
#2  0x000055df4a5fd13a in OsAbort () at ../../../../os/utils.c:1361
  1356:     /* abort() raises SIGABRT, so we have to stop handling that to prevent
  1357:      * recursion
  1358:      */
  1359:     OsSignal(SIGABRT, SIG_DFL);
  1360: #endif
  1361:     abort();
  1362: }
  1363: 
  1364: #if !defined(WIN32)
  1365: /*
  1366:  * "safer" versions of system(3), popen(3) and pclose(3) which give up
#3  0x000055df4a602c53 in AbortServer () at ../../../../os/log.c:877
  872:     OsCleanup(TRUE);
  873:     AbortDevices();
  874:     AbortDDX(EXIT_ERR_ABORT);
  875:     fflush(stderr);
  876:     if (CoreDump)
  877:         OsAbort();
  878:     exit(1);
  879: }
  880: 
  881: #define AUDIT_PREFIX "AUDIT: %s: %ld: "
  882: #ifndef AUDIT_TIMEOUT
#4  0x000055df4a603a75 in FatalError (f=f@entry=0x55df4a60cfa6 "%s") at ../../../../os/log.c:1015
  1010:     if (!beenhere)
  1011:         OsVendorFatalError(f, args2);
  1012:     va_end(args2);
  1013:     if (!beenhere) {
  1014:         beenhere = TRUE;
  1015:         AbortServer();
  1016:     }
  1017:     else
  1018:         OsAbort();
  1019:  /*NOTREACHED*/}
  1020: 
#5  0x000055df4a488e6c in xwl_log_handler (format=<optimized out>, args=<optimized out>) at ../../../../../hw/xwayland/xwayland.c:885
  880: xwl_log_handler(const char *format, va_list args)
  881: {
  882:     char msg[256];
  883: 
  884:     vsnprintf(msg, sizeof msg, format, args);
  885:     FatalError("%s", msg);
  886: }
  887: 
  888: static const ExtensionModule xwayland_extensions[] = {
  889: #ifdef GLXEXT
  890:     { GlxExtensionInit, "GLX", &noGlxExtension },
#6  0x00007f434af228ca in wl_log (fmt=<optimized out>) at ../src/wayland-util.c:406
  [Error: wayland-util.c was not found in source tree]
#7  0x00007f434af1e2d8 in display_handle_error (data=<optimized out>, display=0x55df4c5dbe30, object=0x55df4c5e0300, code=0, message=<optimized out>) at ../src/wayland-client.c:810
  [Error: wayland-client.c was not found in source tree]
#8  0x00007f434840de18 in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#9  0x00007f434840d87a in ffi_call (cif=cif@entry=0x7fff1d00bb70, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7fff1d00bc40) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#10 0x00007f434af21a1b in wl_closure_invoke (closure=<optimized out>, flags=<optimized out>, target=<optimized out>, opcode=0, data=<optimized out>) at ../src/connection.c:935
  930: };
  931: 
  932: /*****************
  933:  * HandleNotifyFd
  934:  *    A poll callback to be called when the registered
  935:  *    file descriptor is ready.
  936:  *****************/
  937: 
  938: static void
  939: HandleNotifyFd(int fd, int xevents, void *data)
  940: {
#11 0x00007f434af1e5b8 in dispatch_event (display=display@entry=0x55df4c5dbe30, queue=<optimized out>) at ../src/wayland-client.c:1310
  [Error: wayland-client.c was not found in source tree]
#12 0x00007f434af1f847 in dispatch_queue (queue=0x55df4c5dbef8, display=0x55df4c5dbe30) at ../src/wayland-client.c:1449
  [Error: wayland-client.c was not found in source tree]
#13 wl_display_dispatch_queue_pending (display=0x55df4c5dbe30, queue=0x55df4c5dbef8) at ../src/wayland-client.c:1698
  [Error: wayland-client.c was not found in source tree]
#14 0x00007f434af1f8cc in wl_display_dispatch_pending (display=<optimized out>) at ../src/wayland-client.c:1761
  [Error: wayland-client.c was not found in source tree]
#15 0x000055df4a48941b in xwl_read_events (xwl_screen=0x55df4c5d3a40) at ../../../../../hw/xwayland/xwayland.c:598
  593:     if (ret == -1)
  594:         FatalError("failed to read Wayland events: %s\n", strerror(errno));
  595: 
  596:     xwl_screen->prepare_read = 0;
  597: 
  598:     ret = wl_display_dispatch_pending(xwl_screen->display);
  599:     if (ret == -1)
  600:         FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
  601: }
  602: 
  603: static int
#16 0x000055df4a5facb1 in ospoll_wait (ospoll=0x55df4c5c8a20, timeout=<optimized out>) at ../../../../os/ospoll.c:412
  407:             xevents |= X_NOTIFY_WRITE;
  408:         if (revents & (~(EPOLLIN|EPOLLOUT)))
  409:             xevents |= X_NOTIFY_ERROR;
  410: 
  411:         if (osfd->callback)
  412:             osfd->callback(osfd->fd, xevents, osfd->data);
  413:     }
  414:     ospoll_clean_deleted(ospoll);
  415: #endif
  416: #if POLL
  417:     nready = xserver_poll(ospoll->fds, ospoll->num, timeout);
#17 0x000055df4a5f3cbb in WaitForSomething (are_ready=<optimized out>) at ../../../../os/WaitFor.c:226
  221:             FlushAllOutput();
  222:         /* keep this check close to select() call to minimize race */
  223:         if (dispatchException)
  224:             i = -1;
  225:         else
  226:             i = ospoll_wait(server_poll, timeout);
  227:         pollerr = GetErrno();
  228:         WakeupHandler(i);
  229:         if (i <= 0) {           /* An error or timeout occurred */
  230:             if (dispatchException)
  231:                 return FALSE;
#18 0x000055df4a5bf9f3 in Dispatch () at ../../../../dix/dispatch.c:422
  417:         if (InputCheckPending()) {
  418:             ProcessInputEvents();
  419:             FlushIfCriticalOutputPending();
  420:         }
  421: 
  422:         if (!WaitForSomething(clients_are_ready()))
  423:             continue;
  424: 
  425:        /*****************
  426: 	*  Handle events in round robin fashion, doing input between
  427: 	*  each round
#19 0x000055df4a5c3c90 in dix_main (argc=11, argv=0x7fff1d00cbf8, envp=<optimized out>) at ../../../../dix/main.c:287
  282: 
  283:         NotifyParentProcess();
  284: 
  285:         InputThreadInit();
  286: 
  287:         Dispatch();
  288: 
  289:         UndisplayDevices();
  290:         DisableAllDevices();
  291: 
  292:         /* Now free up whatever must be freed */
#20 0x00007f4348ab81c1 in __libc_start_main (main=0x55df4a488a60 <main>, argc=11, argv=0x7fff1d00cbf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1d00cbe8) at ../csu/libc-start.c:308
  [Error: libc-start.c was not found in source tree]
#21 0x000055df4a488a9a in _start ()