Terminal messages on recent master

[Scott Kostyshak]

On Fri, Feb 25, 2022 at 02:53:04PM +0100, Jean-Marc Lasgouttes wrote:
> 
> Le 22/02/2022 à 20:20, Scott Kostyshak a écrit :
> > On recent master (starting in the past week or so), I've seen the
> > following terminal messages on two different occasions:
> > 
> >    Unsupported return type 65 QPixmap in method "grab"
> >    Unsupported return type 65 QPixmap in method "grab"
> >    Unsupported return type 1087 QAction* in method "addAction"
> >    Skipped method "setDefaultShortcuts" : Pointers are not supported: QAction*
> > 
> > I don't know what triggers them, as I usually see terminal messages
> > after I quit LyX. Is there any way to have LyX assert on them so I can
> > try to figure out how to reproduce? If not, any way to break on them
> > while running through gdb?
> 
> I did some searching and it turns out that you can do
> (gdb) break write if 2==$rdi
> 
> https://stackoverflow.com/questions/1538463/how-can-i-put-a-breakpoint-on-something-is-printed-to-the-terminal-in-gdb
> 
> This breaks on the write() syscall on the condition that $rdi is equal to 2
> (the descriptor associated to stderr). And no, I do not know what $rdi
> contains.
> 
> Hope this helps.

Cool, thanks. I will try this.

Scott
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