2.4 Crash (was: Updated LaTeXConfig.lyx (bxjsclasses added))

[Pavel Sanda]

On Mon, Feb 06, 2023 at 03:50:40PM +0100, Pavel Sanda wrote:
> > >One solution would be high-level, like "forbid screen redraws while some
> > >inset is the unstable state" (this is _expected_ to be a very transient
> > >situation.
> > >
> > >Other solution would be very local and try to avoid these regenerations of
> > >info insets (maybe just mark as dirty and regenerate on demand).
> > 
> > Could you try to apply this patch and tell me what debug message you obtain?
> > I expect the last one will be validate->build.
> 
> Indeed:
> insets/InsetInfo.cpp (1246): validate() -> build()
> .... (zilion times)
> insets/InsetInfo.cpp (1246): validate() -> build()
> insets/InsetInfo.cpp (780): metrics() -> build()
> insets/InsetInfo.cpp (1246): validate() -> build()
> .... (zilion times)
> insets/InsetInfo.cpp (1246): validate() -> build()
> 
> lyx: SIGSEGV signal caught!
> ...
> 
> > 
> > Do you have the code pane open?
> 
> No.
> 
> > I wonder why validate is called. Maybe previews generation.
> 
> Yes I do have previews on. Also the crash needs my mouse cursor
> moves above LyX window to trigger this (maybe the action triggered
> by cursor gliding over inset info?)
> 
> I think I found another way how to trigger the crash:
> 1. move your cursor on the changes japanese related changes.
> 2. go to the gui prefs and check(or uncheck) end of paragraph
>    markers in display pane, click Ok
> 3. kaboom

I can confirm that both crashes seem to be gone with 00c39208ac65.

Pavel