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* bug#30112: 27.0.50; bibtex-mode timer and redisplay errors
@ 2018-01-14 15:27 Basil L. Contovounesios
  2018-01-14 16:05 ` Eli Zaretskii
  2019-11-17  8:16 ` Lars Ingebrigtsen
  0 siblings, 2 replies; 5+ messages in thread
From: Basil L. Contovounesios @ 2018-01-14 15:27 UTC (permalink / raw)
  To: 30112

Steps to reproduce:

1. emacs -Q
2. C-x h DEL
3. C-h e
4. M-: (setq bibtex-parse-keys-timeout 4) RET
   [ or some other convenient value ]
5. M-x bibtex-mode RET
6. C-o
   [ this (IMO) incorrectly inserts a large fill-prefix, but that's a
     separate bug ]

After a few seconds of idle time, the following error is logged to
*Messages*:

  Error during redisplay: (jit-lock-function 1) signaled
  (args-out-of-range #<buffer *scratch*> 0 1)

After bibtex-parse-keys-timeout seconds of idle time, another error
appears:

  Error running timer ‘bibtex-parse-buffers-stealthily’:
  (wrong-type-argument number-or-marker-p nil)

Enabling debug on error does not provide much more context:

  Debugger entered--Lisp error:
      (wrong-type-argument number-or-marker-p nil)
    bibtex-parse-keys(t)
    bibtex-parse-buffers-stealthily()
    apply(bibtex-parse-buffers-stealthily nil)
    timer-event-handler
      ([t 0 4 0 t bibtex-parse-buffers-stealthily nil idle 0])

Note that step (6) is only needed to trigger the redisplay error; the
bibtex parse timer fails even when the buffer is empty.

-- 
Basil

In GNU Emacs 27.0.50 (build 15, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2018-01-11 built on thunk
Repository revision: e911587fb61bbc7f4be41e0a044cb6dee8f9e615
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description: Debian GNU/Linux testing (buster)

Configured using:
 'configure --config-cache --prefix=/home/blc/.local --with-mailutils
 --with-x-toolkit=lucid --with-modules --with-file-notification=yes
 --with-x 'CFLAGS=-flto -fomit-frame-pointer -march=native -maes -mavx
 -mcrc32 -mf16c -mfpmath=sse -mfsgsbase -mfxsr -minline-all-stringops
 -mmmx -mpclmul -mpopcnt -msahf -msse4.2 -mxsave -mxsaveopt -mvzeroupper
 -O3 -pipe' LDFLAGS=-flto'

Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS
NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS LUCID X11 MODULES LIBSYSTEMD JSON LCMS2





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#30112: 27.0.50; bibtex-mode timer and redisplay errors
  2018-01-14 15:27 bug#30112: 27.0.50; bibtex-mode timer and redisplay errors Basil L. Contovounesios
@ 2018-01-14 16:05 ` Eli Zaretskii
  2018-01-14 16:54   ` Basil L. Contovounesios
  2019-11-17  8:16 ` Lars Ingebrigtsen
  1 sibling, 1 reply; 5+ messages in thread
From: Eli Zaretskii @ 2018-01-14 16:05 UTC (permalink / raw)
  To: Basil L. Contovounesios; +Cc: 30112

> From: "Basil L. Contovounesios" <contovob@tcd.ie>
> Date: Sun, 14 Jan 2018 15:27:18 +0000
> 
>   Error during redisplay: (jit-lock-function 1) signaled
>   (args-out-of-range #<buffer *scratch*> 0 1)
> [...]
> 
> Note that step (6) is only needed to trigger the redisplay error

It's not a redisplay error, it's a JIT Font lock error.  Redisplay
calls JIT lock as part of redisplaying the window, so it catches the
error and reports it.





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#30112: 27.0.50; bibtex-mode timer and redisplay errors
  2018-01-14 16:05 ` Eli Zaretskii
@ 2018-01-14 16:54   ` Basil L. Contovounesios
  2018-01-14 17:22     ` Eli Zaretskii
  0 siblings, 1 reply; 5+ messages in thread
From: Basil L. Contovounesios @ 2018-01-14 16:54 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 30112

Eli Zaretskii <eliz@gnu.org> writes:

> It's not a redisplay error, it's a JIT Font lock error.  Redisplay
> calls JIT lock as part of redisplaying the window, so it catches the
> error and reports it.

Right, sorry - that was a thinko on my part.

Is it possible to reword debbugs subject lines?

-- 
Basil





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#30112: 27.0.50; bibtex-mode timer and redisplay errors
  2018-01-14 16:54   ` Basil L. Contovounesios
@ 2018-01-14 17:22     ` Eli Zaretskii
  0 siblings, 0 replies; 5+ messages in thread
From: Eli Zaretskii @ 2018-01-14 17:22 UTC (permalink / raw)
  To: Basil L. Contovounesios; +Cc: 30112

> From: "Basil L. Contovounesios" <contovob@tcd.ie>
> Cc: <30112@debbugs.gnu.org>
> Date: Sun, 14 Jan 2018 16:54:50 +0000
> 
> Is it possible to reword debbugs subject lines?

There's the "retitle" command, see admin/notes/bugtracker for the
details.

Thanks.





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#30112: 27.0.50; bibtex-mode timer and redisplay errors
  2018-01-14 15:27 bug#30112: 27.0.50; bibtex-mode timer and redisplay errors Basil L. Contovounesios
  2018-01-14 16:05 ` Eli Zaretskii
@ 2019-11-17  8:16 ` Lars Ingebrigtsen
  1 sibling, 0 replies; 5+ messages in thread
From: Lars Ingebrigtsen @ 2019-11-17  8:16 UTC (permalink / raw)
  To: Basil L. Contovounesios; +Cc: 30112

"Basil L. Contovounesios" <contovob@tcd.ie> writes:

> Enabling debug on error does not provide much more context:
>
>   Debugger entered--Lisp error:
>       (wrong-type-argument number-or-marker-p nil)
>     bibtex-parse-keys(t)
>     bibtex-parse-buffers-stealthily()
>     apply(bibtex-parse-buffers-stealthily nil)
>     timer-event-handler
>       ([t 0 4 0 t bibtex-parse-buffers-stealthily nil idle 0])

I've now added a sanity check to bibtex-parse-keys to abort in these
situations to Emacs 27.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-11-17  8:16 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-01-14 15:27 bug#30112: 27.0.50; bibtex-mode timer and redisplay errors Basil L. Contovounesios
2018-01-14 16:05 ` Eli Zaretskii
2018-01-14 16:54   ` Basil L. Contovounesios
2018-01-14 17:22     ` Eli Zaretskii
2019-11-17  8:16 ` Lars Ingebrigtsen

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