GNU bug report logs - #59480
29.0.50; emacs master with --enable-checking fails assert in x_display_set_last_user_time

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From: Robert Pluim <rpluim <at> gmail.com>
To: 59480 <at> debbugs.gnu.org
Subject: bug#59480: 29.0.50; emacs master with --enable-checking fails assert in x_display_set_last_user_time
Date: Tue, 22 Nov 2022 13:19:37 +0100

This is master as of right now, configured with:

./configure --enable-checking=yes,glyphs

src/emacs -Q

xterm.c:7753: Emacs fatal error: assertion failed: time <= X_ULONG_MAX

Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:426
426       signal (sig, SIG_DFL);
(gdb) bt
#0  terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:426
#1  0x00005555555b3320 in die (msg=<optimized out>, file=<optimized out>, line=<optimized out>) at alloc.c:7697
#2  0x00005555556d4d47 in x_display_set_last_user_time (dpyinfo=0x5555562ec000, time=18446744071827324120, send_event=true, set_property=true) at xterm.c:7753
#3  0x00005555556ea241 in handle_one_xevent (dpyinfo=0x5555562ec000, event=0x7fffffffd490, finish=0x555555eebd24 <current_finish>, hold_quit=0x7fffffffd730) at xterm.c:18624
#4  0x00005555556e77ac in event_handler_gdk (gxev=0x7fffffffd490, ev=0x5555560a33c0, data=0x0) at xterm.c:17412

(gdb) up
#6  0x00005555556d4d47 in x_display_set_last_user_time (dpyinfo=0x5555562ec000, time=18446744071827324120, send_event=true, set_property=true) at xterm.c:7753

7753      eassert (time <= X_ULONG_MAX);
(gdb) up
#7  0x00005555556ea241 in handle_one_xevent (dpyinfo=0x5555562ec000, event=0x7fffffffd490, finish=0x555555eebd24 <current_finish>, hold_quit=0x7fffffffd730) at xterm.c:18624
18624                   x_display_set_last_user_time (dpyinfo, event->xclient.data.l[1],
(gdb) p X_ULONG_MAX
$1 = 4294967295

X_ULONG_MAX looks very 32bit-ish :-)

(why this started happening just now I donʼt know, that assert has
been in for ages)

Robert
-- 

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