SIGSEGV on master when exporting MergedManuals.lyx in GUI

[Scott Kostyshak]

On Sat, Dec 25, 2021 at 07:38:22PM +0100, Pavel Sanda wrote:
> On Fri, Nov 05, 2021 at 12:10:20AM -0400, Scott Kostyshak wrote:
> > On Wed, Apr 14, 2021 at 12:45:04PM -0400, Scott Kostyshak wrote:
> > > On Tue, Apr 13, 2021 at 07:53:11PM +0100, José Abílio Matos wrote:
> > > > On Tuesday, April 13, 2021 5:17:24 PM WEST Scott Kostyshak wrote:
> > > > > I get the following terminal messages followed by a SIGSEGV when opening and
> > > > > viewing MergedManuals.lyx in the GUI:
> > > > > 
> > > > >   QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
> > > > > 
> > > > > Does anyone else see this on master?
> > > > > 
> > > > > Scott
> > > > 
> > > > For me it is socket 10. :-)
> > > > 
> > > > LyX does not crash but it enters an infinite cycle (read that after 5 minutes 
> > > > it continues to output that line) sending that line to stderr.
> > > > I am not sure if I am patient enough to wait for infinity before recovering 
> > > > LyX's control. :-)
> > > 
> > > Thanks for confirming, José.
> > 
> > I can still reproduce the infinite cycle (but not the original SIGSEGV) on master.
> 
> I can see SIGSEGV, but only in case I run the instance under GDB (the app does not crash,
> I think because it happens only in additional thread). 

Thanks, Pavel. If you have time (no worries if not), can you also
confirm that if you revert 65b674ba then you cannot reproduce the
SIGSEGV (in GDB) ?

Scott
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