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bug#12251: 24.2.50; crash in note_mouse_highlight
From: |
Eli Zaretskii |
Subject: |
bug#12251: 24.2.50; crash in note_mouse_highlight |
Date: |
Thu, 23 Aug 2012 21:43:20 +0300 |
> Date: Thu, 23 Aug 2012 19:19:03 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: sds@gnu.org, 12251@debbugs.gnu.org
>
> >> >> "#<window 139> is not a valid window"
> >>
> >> The above means that we've been running Lisp code on a dead window and
> >> that call was rejected with an error by `window-normalize-window'. If
> >> this happens during a call from C, we have a problem.
> >
> > I don't think this error was thrown from C.
>
> The error was obviously thrown from Lisp which per se is harmless. But
> I'm quite convinced that it was thrown by a Lisp function directly or
> indirectly called from C.
Why do you think that?
> > Most probably, it was
> > thrown from Lisp, but since that unwinds the stack, there's no Lisp
> > backtrace that could confirm that.
>
> How could we explain a crash if it's all within Lisp code?
It's not within Lisp anymore; the error throws to top-level, and Emacs
tries to read input, at which time it gets a mouse event.
> > I guess we need more checks in the mouse-highlight code, to account
> > for such cases.
>
> Is note_mouse_highlight all we have to look at?
Who knows? But if there are more, we will get more crashes ;-)
- bug#12251: 24.2.50; crash in note_mouse_highlight, (continued)
- bug#12251: 24.2.50; crash in note_mouse_highlight, Sam Steingold, 2012/08/28
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/28
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/29
- bug#12251: 24.2.50; crash in note_mouse_highlight, Sam Steingold, 2012/08/29
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/30
- bug#12251: 24.2.50; crash in note_mouse_highlight, Sam Steingold, 2012/08/30
- bug#12251: 24.2.50; crash in note_mouse_highlight, Sam Steingold, 2012/08/30
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/30
- bug#12251: 24.2.50; crash in note_mouse_highlight, Eli Zaretskii, 2012/08/23
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/23
- bug#12251: 24.2.50; crash in note_mouse_highlight,
Eli Zaretskii <=
- bug#12251: 24.2.50; crash in note_mouse_highlight, martin rudalics, 2012/08/24