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* [22.1.90]: Point before start of properties
@ 2008-02-08 16:35 Marshall, Simon
  2008-02-10  3:26 ` Stefan Monnier
                   ` (2 more replies)
  0 siblings, 3 replies; 37+ messages in thread
From: Marshall, Simon @ 2008-02-08 16:35 UTC (permalink / raw)
  To: emacs-pretest-bug

During pretesting before 22.1 I reported a problem whereby occasionally
I would see the minibuffer message "Error in menu-bar-update-hook:
(error Point before start of properties)" and the hook would be left
with a value of nil.  (See "Error in menu-bar-update-hook: (error Point
before start of properties)" from July 2006.)  At the time I had a go at
tracking it down but without any success, and it continues to bite me
every so often to this day.  So, occasionally, I have to do M-x msb-mode
twice to turn msb-mode off and then back on again.  

I was hoping the pretest version might magically have a fix for it, but
unfortunately not.  I figured I would have another go at debugging it
and found that it seems suspiciously easy to reproduce.  All I have to
do is this:

(gdb) b intervals.c:794
Breakpoint 1 at 0x195d90: file intervals.c, line 794.
(gdb) r -Q

Then in emacs do C-x C-f ~/.../src/intervals.c RET and bang:

Breakpoint 1, update_interval (i=0x8b1af4, pos=1771) at intervals.c:794
794                 error ("Point before start of properties");
(gdb) 

If I don't set the breakpoint before I run emacs, but visit the file and
only then in gdb put the breakpoint on and continue, I can trigger this
error just by scrolling the window with the scrollbar.

It seems too easy to trigger this error, so I am not sure I am really
seeing the same problem that occasionally results in
menu-bar-update-hook being set to nil.  Is the triggering of this error
normal in certain circumstances?  If not, is the above enough for
someone to take a look at it?  Otherwise, is there anything I can do to
track down the problem for menu-bar-update-hook?

Simon.

In GNU Emacs 22.1.90.1 (sparc-sun-solaris2.8, Motif Version 2.1.0)
 of 2008-01-31 on risksun2
Windowing system distributor `Hummingbird Ltd.', version 11.0.100015
configured using `configure
'--x-includes=/usr/openwin/include:/usr/dt/include:/usr/local/include:/u
sr/local/X11/include'
'--x-libraries=/usr/openwin/lib:/usr/dt/lib:/usr/local/lib:/usr/local/X1
1/lib' '--with-x-toolkit=motif''


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^ permalink raw reply	[flat|nested] 37+ messages in thread

end of thread, other threads:[~2008-02-25 15:55 UTC | newest]

Thread overview: 37+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-02-08 16:35 [22.1.90]: Point before start of properties Marshall, Simon
2008-02-10  3:26 ` Stefan Monnier
2008-02-10 15:22 ` Chong Yidong
2008-02-12 17:52   ` Marshall, Simon
2008-02-12 18:32     ` Stefan Monnier
2008-02-13 10:13       ` Marshall, Simon
2008-02-18 19:52         ` Stefan Monnier
2008-02-19 10:37           ` Marshall, Simon
2008-02-19 16:00             ` Stefan Monnier
2008-02-19 17:23               ` Marshall, Simon
2008-02-19 17:31                 ` David Kastrup
2008-02-20  9:44                   ` Marshall, Simon
2008-02-19 21:59                 ` Stefan Monnier
2008-02-20 11:31                   ` Marshall, Simon
2008-02-20 17:17                     ` Stefan Monnier
2008-02-20 19:40                       ` Eli Zaretskii
2008-02-21  9:16                         ` Richard Stallman
2008-02-21 16:02                           ` Stefan Monnier
2008-02-22  3:16                             ` Stephen J. Turnbull
2008-02-22 15:18                               ` [OT] Deugging optimized code (was: [22.1.90]: Point before start of properties) Stefan Monnier
2008-02-22 15:41                                 ` Andreas Schwab
2008-02-22 22:20                                 ` Stephen J. Turnbull
2008-02-22 16:31                             ` [22.1.90]: Point before start of properties Eli Zaretskii
2008-02-22 16:27                           ` Eli Zaretskii
2008-02-22 22:09                             ` Miles Bader
2008-02-23 19:29                             ` Richard Stallman
2008-02-23 21:18                               ` Eli Zaretskii
2008-02-24 15:22                                 ` Richard Stallman
2008-02-24 19:59                                   ` Eli Zaretskii
2008-02-25 10:57                                     ` Richard Stallman
2008-02-25 15:55                                       ` Stefan Monnier
2008-02-24 20:36                               ` Tom Tromey
2008-02-25 10:57                                 ` Richard Stallman
2008-02-21 22:27                       ` Richard Stallman
     [not found]           ` <6EE216E1AA959543A555C60FF34FB76702B2DB02@maileube01.misys.global.ad>
2008-02-19 14:45             ` Marshall, Simon
2008-02-19 23:09               ` Richard Stallman
2008-02-10 18:42 ` Richard Stallman

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