Re: help needed for getting a backtrace ( multi-head emacs_abort on lucid-frame)

[Po Lu <luangruo@yahoo.com>]

andrés ramírez <rrandresf@gmail.com> writes:

> Now the breakpoints are being hitted.

> Thread 1 "emacs" hit Breakpoint 2, x_error_quitter (display=0x5555560e6960, event=0x7fffffffcf70) at ../../src/xterm.c:10285
> 10285	{
> (gdb) bt
> #0  x_error_quitter (display=0x5555560e6960, event=0x7fffffffcf70) at ../../src/xterm.c:10285
> #1  0x0000555555705c8a in x_error_handler (display=0x5555560e6960, event=0x7fffffffcf70) at ../../src/xterm.c:10273
> #2  0x00007ffff7bfc6a5 in _XError () at /usr/lib/libX11.so.6
> #3  0x00007ffff7bfc7a8 in  () at /usr/lib/libX11.so.6
> #4  0x00007ffff7bfc845 in  () at /usr/lib/libX11.so.6
> #5  0x00007ffff7bfc91a in _XEventsQueued () at /usr/lib/libX11.so.6
> #6  0x00007ffff7be8cc2 in XPending () at /usr/lib/libX11.so.6
> #7  0x0000555555703bc2 in XTread_socket (terminal=0x555556035d58, hold_quit=0x7fffffffd260) at ../../src/xterm.c:9492

This isn't right, since we're getting the error upon `XPending'.  Emacs
isn't running in synchronous mode.

Can you start Emacs with the following X resource applied?  (You will
have to remove it later, since it's not a recommended setting for
actually using Emacs.)

  Emacs.synchronous: True