GNU bug report logs - #22264
Another assertion failed (without a clear repro)

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
Subject: bug#22264: closed (Re: bug#22264: Another assertion failed
 (without a clear repro))
Date: Wed, 07 Dec 2016 19:37:02 +0000

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Your bug report

#22264: Another assertion failed (without a clear repro)

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 22264 <at> debbugs.gnu.org.

-- 
22264: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22264
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Glenn Morris <rgm <at> gnu.org>
To: 22264-done <at> debbugs.gnu.org
Subject: Re: bug#22264: Another assertion failed (without a clear repro)
Date: Wed, 07 Dec 2016 14:36:30 -0500

Clément Pit--Claudel wrote:

> Here's another backtrace, though It's still unclear to me what caused
> it, and I can't reproduce it reliably:

It's been a year, this report isn't leading anywhere, closing.

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From: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Another assertion failed (without a clear repro)
Date: Tue, 29 Dec 2015 18:00:12 +0100

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Hi all,

Here's another backtrace, though It's still unclear to me what caused it, and I can't reproduce it reliably:

> (gdb) run
> Starting program: /build/emacs/src/emacs 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7fffe9d0d700 (LWP 5382)]
> [New Thread 0x7fffe3fff700 (LWP 5383)]
> [New Thread 0x7fffe37fe700 (LWP 5384)]
> 
> xdisp.c:27395: Emacs fatal error: assertion failed: it->ascent >= 0 && it->descent >= 0
> Fatal error 6: Aborted
> Backtrace:
> /build/emacs/src/emacs[0x5b53a8]
> /build/emacs/src/emacs[0x588afe]
> /build/emacs/src/emacs[0x61a40d]
> /build/emacs/src/emacs[0x4a24f7]
> /build/emacs/src/emacs[0x4865db]
> /build/emacs/src/emacs[0x47861d]
> /build/emacs/src/emacs[0x474b33]
> /build/emacs/src/emacs[0x46b77e]
> /build/emacs/src/emacs[0x63bb67]
> /build/emacs/src/emacs[0x46b6e2]
> /build/emacs/src/emacs[0x46b698]
> /build/emacs/src/emacs[0x46a391]
> /build/emacs/src/emacs[0x467b38]
> /build/emacs/src/emacs[0x590ca5]
> /build/emacs/src/emacs[0x5a1963]
> /build/emacs/src/emacs[0x58d96c]
> /build/emacs/src/emacs[0x63bacd]
> /build/emacs/src/emacs[0x58d14b]
> /build/emacs/src/emacs[0x63b09e]
> /build/emacs/src/emacs[0x58d0eb]
> /build/emacs/src/emacs[0x58c64a]
> /build/emacs/src/emacs[0x58c84f]
> /build/emacs/src/emacs[0x58a559]
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7ffff0f55ec5]
> /build/emacs/src/emacs[0x417f99]
> 
> Program received signal SIGABRT, Aborted.
> 0x00007ffff130920b in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
> 37	../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory.
> (gdb) backtrace
> #0  0x00007ffff130920b in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
> #1  0x0000000000588b41 in terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:398
> #2  0x000000000061a40d in die (msg=0x712f40 "it->ascent >= 0 && it->descent >= 0", file=0x70e890 "xdisp.c", line=27395) at alloc.c:7036
> #3  0x00000000004a24f7 in x_produce_glyphs (it=0x7fffffff8530) at xdisp.c:27395
> #4  0x00000000004865db in display_line (it=0x7fffffff8530) at xdisp.c:20491
> #5  0x000000000047861d in try_window (window=51499077, pos=..., flags=1) at xdisp.c:17089
> #6  0x0000000000474b33 in redisplay_window (window=51499077, just_this_one_p=false) at xdisp.c:16554
> #7  0x000000000046b77e in redisplay_window_0 (window=51499077) at xdisp.c:14346
> #8  0x000000000063bb67 in internal_condition_case_1 (bfun=0x46b73c <redisplay_window_0>, arg=51499077, handlers=14472099, hfun=0x46b704 <redisplay_window_error>) at eval.c:1333
> #9  0x000000000046b6e2 in redisplay_windows (window=51499077) at xdisp.c:14326
> #10 0x000000000046b698 in redisplay_windows (window=50476549) at xdisp.c:14320
> #11 0x000000000046a391 in redisplay_internal () at xdisp.c:13886
> #12 0x0000000000467b38 in redisplay () at xdisp.c:13119
> #13 0x0000000000590ca5 in read_char (commandflag=1, map=64460675, prev_event=0, used_mouse_menu=0x7fffffffd759, end_time=0x0) at keyboard.c:2463
> #14 0x00000000005a1963 in read_key_sequence (keybuf=0x7fffffffd930, bufsize=30, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, 
>     prevent_redisplay=false) at keyboard.c:9024
> #15 0x000000000058d96c in command_loop_1 () at keyboard.c:1344
> #16 0x000000000063bacd in internal_condition_case (bfun=0x58d51d <command_loop_1>, handlers=18960, hfun=0x58cb65 <cmd_error>) at eval.c:1309
> #17 0x000000000058d14b in command_loop_2 (ignore=0) at keyboard.c:1087
> #18 0x000000000063b09e in internal_catch (tag=45744, func=0x58d122 <command_loop_2>, arg=0) at eval.c:1074
> #19 0x000000000058d0eb in command_loop () at keyboard.c:1066
> #20 0x000000000058c64a in recursive_edit_1 () at keyboard.c:672
> #21 0x000000000058c84f in Frecursive_edit () at keyboard.c:743
> #22 0x000000000058a559 in main (argc=1, argv=0x7fffffffdd58) at emacs.c:1656
> (gdb) 

Again, let me know if there's anything I can do to help with this.
Clément.

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