GNU bug report logs - #30182
27.0.50; Crash when doing mouse-over on modeline

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From: Sujith <m.sujith <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: rudalics <at> gmx.at, 30182 <at> debbugs.gnu.org
Subject: bug#30182: Update
Date: Sun, 21 Jan 2018 23:59:15 +0530

Eli Zaretskii <eliz <at> gnu.org> writes:
> Please show the output of these GDB commands:
>
>  (gdb) source /path/to/emacs/src/.gdbinit
>  (gdb) pp Vtimer_list

(gdb) r
Starting program: /home/sujith/dev/emacs/src/emacs
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe79ea700 (LWP 11682)]

lisp.h:1289: Emacs fatal error: assertion failed: CONSP (c)

Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:364
364     {
(gdb) bt
#0  0x000000000058db4a in terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:364
#1  0x000000000062a6b2 in die (msg=0x76bccb "CONSP (c)", file=0x76bc08 "lisp.h", line=1289) at alloc.c:7423
#2  0x0000000000587881 in xcar_addr (c=XIL(0)) at lisp.h:1289
#3  0x0000000000587981 in XSETCAR (c=XIL(0), n=XIL(0x34f6015)) at lisp.h:1318
#4  0x000000000065b2a0 in concat (nargs=1, args=0x7fffffffdb18, target_type=Lisp_Cons, last_special=false) at fns.c:751
#5  0x000000000065a412 in Fcopy_sequence (arg=XIL(0x402cfc3)) at fns.c:514
#6  0x000000000059bb6a in timer_check () at keyboard.c:4381
#7  0x000000000059965d in readable_events (flags=1) at keyboard.c:3349
#8  0x00000000005a102b in get_input_pending (flags=1) at keyboard.c:6805
#9  0x00000000005a9234 in detect_input_pending_run_timers (do_display=true) at keyboard.c:9943
#10 0x00000000006ba99d in wait_reading_process_output (time_limit=30, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=XIL(0), wait_proc=0x0, just_wait_proc=0) at process.c:5514
#11 0x0000000000424ad1 in sit_for (timeout=make_number(30), reading=true, display_option=1) at dispnew.c:5804
#12 0x0000000000597253 in read_char (commandflag=1, map=XIL(0x409bc63), prev_event=XIL(0), used_mouse_menu=0x7fffffffe371, end_time=0x0) at keyboard.c:2723
#13 0x00000000005a7322 in read_key_sequence (keybuf=0x7fffffffe510, bufsize=30, prompt=XIL(0), dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9137
#14 0x00000000005931a2 in command_loop_1 () at keyboard.c:1370
#15 0x000000000064fe57 in internal_condition_case (bfun=0x592d18 <command_loop_1>, handlers=XIL(0x4dd0), hfun=0x592325 <cmd_error>) at eval.c:1332
#16 0x0000000000592924 in command_loop_2 (ignore=XIL(0)) at keyboard.c:1111
#17 0x000000000064f2ed in internal_catch (tag=XIL(0xc2a0), func=0x5928f7 <command_loop_2>, arg=XIL(0)) at eval.c:1097
#18 0x00000000005928c2 in command_loop () at keyboard.c:1090
#19 0x0000000000591e0c in recursive_edit_1 () at keyboard.c:696
#20 0x0000000000592004 in Frecursive_edit () at keyboard.c:767
#21 0x000000000058f9c4 in main (argc=1, argv=0x7fffffffe968) at emacs.c:1724
(gdb) pp Vtimer_list
([nil 23140 55974 404979 0.5 blink-cursor-timer-function nil nil 754000] [nil 23140 55974 497739 nil #[(buffer) "!…qˆÃ‰)‡" [buffer w3m-modeline-title-timer buffer-live-p nil] 2] (#<buffer *w3m*>) nil 729000] [nil 23140 55974 642990 nil undo-auto--boundary-timer nil nil 601000] [nil 23140 56000 0 60 display-time-event-handler nil nil 0] [nil 23140 56261 811065 300 savehist-autosave nil nil 577000])

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