Crash in equation paint (master)

Pavel Sanda sanda at
Mon Feb 1 12:36:15 UTC 2021

On Mon, Feb 01, 2021 at 11:42:38AM +0100, Jean-Marc Lasgouttes wrote:
> Le 01/02/2021 ?? 11:36, Pavel Sanda a écrit :
> >Struggling to find recipy, but already happened 3x in the morning while trying to merge changes from Phil's review:
> >
> >1. Open math manual, go to the second table in 3.7
> >2. Open new window 2, open new file and starting to reproduce the formula
> >3. ctrl+m ^19
> >4. unclear sequence of these:
> >a) backspace to delete 19, or type something again
> >b) zoom in/zoom out
> >c) switch to different window/workspace (the immediate crash trigger seems to be always when activating LyX window after wandering elsewhere)
> I'll take a look. It may be that the cache is cleared when zooming but the
> metrics are not rebuilt.

As I got more skillful in triggering this bug most consistent way how to trigger is
after step 3:
4. Zoom in many times
5. switch to former window with math manual (the cursor there inside the table)
6. kaboom


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