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* bug#19511: 25.0.50; Failed assertions in redisplay() code. (dispnew.c:1405; xdisp.c:17524)
@ 2015-01-04 22:27 Andreas Matthias
  2015-01-05 15:58 ` Eli Zaretskii
  0 siblings, 1 reply; 9+ messages in thread
From: Andreas Matthias @ 2015-01-04 22:27 UTC (permalink / raw)
  To: 19511

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With the attached example code I can trigger two different assertions
somewhere down the line of redisplay():

1) dispnew.c:1405: Emacs fatal error: assertion failed: row >= 0 && row < matrix->nrows

2) xdisp.c:17524: Emacs fatal error: assertion failed: row->enabled_p


Unfortunately I could not further isolate the elisp code which eventually
causes these assertions to fail. The following packages from MELPA are
involved: lua-mode, polymode. (version numbers see example code)

This is the example code triggering the mentioned assertions.


[-- Attachment #2: pm-01.el --]
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[-- Attachment #3: pm-01.nw --]
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Note: With a recently checked out Emacs 25.0.50 I can trigger both assertions
as described below. Concerning Emacs 24.3.1 I can trigger only the first
assertion but not the second one.

Kind regards,
Andreas


1)  The first assertion is triggered by:

      * run emacs -Q -l pm-01.el
      * press "delete" twice

    And this is the backtrace:

#0  0x00007ffff37d120b in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
#1  0x000000000057f286 in terminate_due_to_signal (sig=6, backtrace_limit=2147483647)
    at emacs.c:386
#2  0x000000000060ca9d in die (msg=0x6f2768 "row >= 0 && row < matrix->nrows", 
    file=0x6f2540 "dispnew.c", line=1405) at alloc.c:7108
#3  0x0000000000418d3e in matrix_row (matrix=0xf84b40, row=-1) at dispnew.c:1405
#4  0x0000000000479d85 in try_window_id (w=0x137c530) at xdisp.c:18436
#5  0x000000000046ee38 in redisplay_window (window=..., just_this_one_p=true)
    at xdisp.c:16396
#6  0x00000000004660e2 in redisplay_window_1 (window=...) at xdisp.c:14310
#7  0x000000000062cade in internal_condition_case_1 (bfun=0x4660a0 <redisplay_window_1>, 
    arg=..., handlers=..., hfun=0x466024 <redisplay_window_error>) at eval.c:1369
#8  0x000000000046529f in redisplay_internal () at xdisp.c:13953
#9  0x000000000046287a in redisplay () at xdisp.c:13158
#10 0x0000000000586ef8 in read_char (commandflag=1, map=..., prev_event=..., 
    used_mouse_menu=0x7fffffffd865, end_time=0x0) at keyboard.c:2643
#11 0x0000000000596ced in read_key_sequence (keybuf=0x7fffffffda90, bufsize=30, prompt=..., 
    dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, 
    prevent_redisplay=false) at keyboard.c:9257
#12 0x0000000000583e16 in command_loop_1 () at keyboard.c:1510
#13 0x000000000062c96d in internal_condition_case (bfun=0x583a3f <command_loop_1>, 
    handlers=..., hfun=0x5831af <cmd_error>) at eval.c:1345
#14 0x00000000005836dd in command_loop_2 (ignore=...) at keyboard.c:1245
#15 0x000000000062bddb in internal_catch (tag=..., func=0x5836ba <command_loop_2>, arg=...)
    at eval.c:1106
#16 0x0000000000583691 in command_loop () at keyboard.c:1224
#17 0x0000000000582cdb in recursive_edit_1 () at keyboard.c:834
#18 0x0000000000582eab in Frecursive_edit () at keyboard.c:905
#19 0x0000000000580c10 in main (argc=4, argv=0x7fffffffde58) at emacs.c:1619


2) The second assertion is triggered by:

      * run emacs -Q -l pm-01.el
      * press "a" twice

    And this is the backtrace:

#0  0x00007ffff37d120b in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
#1  0x000000000057f286 in terminate_due_to_signal (sig=6, backtrace_limit=2147483647)
    at emacs.c:386
#2  0x000000000060ca9d in die (msg=0x6f92ee "row->enabled_p", file=0x6f6640 "xdisp.c", 
    line=17524) at alloc.c:7108
#3  0x00000000004772c9 in find_last_row_displaying_text (matrix=0x15f57d0, 
    it=0x7fffffff8690, start=0x1d8c720) at xdisp.c:17524
#4  0x0000000000479fce in try_window_id (w=0x137c530) at xdisp.c:18485
#5  0x000000000046ee38 in redisplay_window (window=..., just_this_one_p=true)
    at xdisp.c:16396
#6  0x00000000004660e2 in redisplay_window_1 (window=...) at xdisp.c:14310
#7  0x000000000062cade in internal_condition_case_1 (bfun=0x4660a0 <redisplay_window_1>, 
    arg=..., handlers=..., hfun=0x466024 <redisplay_window_error>) at eval.c:1369
#8  0x000000000046529f in redisplay_internal () at xdisp.c:13953
#9  0x000000000046287a in redisplay () at xdisp.c:13158
#10 0x0000000000586ef8 in read_char (commandflag=1, map=..., prev_event=..., 
    used_mouse_menu=0x7fffffffd865, end_time=0x0) at keyboard.c:2643
#11 0x0000000000596ced in read_key_sequence (keybuf=0x7fffffffda90, bufsize=30, prompt=..., 
    dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, 
    prevent_redisplay=false) at keyboard.c:9257
#12 0x0000000000583e16 in command_loop_1 () at keyboard.c:1510
#13 0x000000000062c96d in internal_condition_case (bfun=0x583a3f <command_loop_1>, 
    handlers=..., hfun=0x5831af <cmd_error>) at eval.c:1345
#14 0x00000000005836dd in command_loop_2 (ignore=...) at keyboard.c:1245
#15 0x000000000062bddb in internal_catch (tag=..., func=0x5836ba <command_loop_2>, arg=...)
    at eval.c:1106
#16 0x0000000000583691 in command_loop () at keyboard.c:1224
#17 0x0000000000582cdb in recursive_edit_1 () at keyboard.c:834
#18 0x0000000000582eab in Frecursive_edit () at keyboard.c:905
#19 0x0000000000580c10 in main (argc=4, argv=0x7fffffffde58) at emacs.c:1619



In GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8)
 of 2015-01-04 on winky
Repository revision: d7e858bcc6f353ea3e955ca2a91d7b5c33bb6611
Windowing system distributor `The X.Org Foundation', version 11.0.11501000
System Description:	Ubuntu 14.04.1 LTS

Configured using:
 `configure --prefix=/home/andreas/local/emacs --enable-checking=all
 --enable-check-lisp-object-type 'CFLAGS=-g3 -O0''

Configured features:
XPM JPEG TIFF GIF PNG SOUND DBUS GSETTINGS NOTIFY GNUTLS LIBXML2
FREETYPE XFT ZLIB

Important settings:
  value of $LC_COLLATE: en_US.UTF-8
  value of $LC_CTYPE: en_US.UTF-8
  value of $LC_MESSAGES: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
None found.

Features:
(shadow sort gnus-util mail-extr emacsbug message dired format-spec
rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse
rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
ietf-drums mm-util help-fns mail-prsvr mail-utils time-date tooltip
eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win
x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list
newcomment elisp-mode lisp-mode prog-mode register page menu-bar
rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax
facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak
czech european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer nadvice loaddefs button
faces cus-face macroexp files text-properties overlay sha1 md5 base64
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backquote make-network-process dbusbind gfilenotify dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)

Memory information:
((conses 16 76943 4320)
 (symbols 48 18291 1)
 (miscs 40 45 125)
 (strings 32 11760 3895)
 (string-bytes 1 323298)
 (vectors 16 10065)
 (vector-slots 8 395354 9010)
 (floats 8 72 61)
 (intervals 56 192 0)
 (buffers 976 11)
 (heap 1024 44733 1424))

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2015-01-05 18:41 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-01-04 22:27 bug#19511: 25.0.50; Failed assertions in redisplay() code. (dispnew.c:1405; xdisp.c:17524) Andreas Matthias
2015-01-05 15:58 ` Eli Zaretskii
2015-01-05 16:59   ` Vitalie Spinu
2015-01-05 17:53     ` Stefan Monnier
2015-01-05 18:31       ` Eli Zaretskii
2015-01-05 18:24     ` Eli Zaretskii
2015-01-05 18:10   ` Andreas Matthias
2015-01-05 18:36     ` Eli Zaretskii
2015-01-05 18:41       ` Vitalie Spinu

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