Re: Crash: Midi and Instrument_name_engraver in StaffGroup (was Re: TAB question -- frescobaldi tab support)

[Trevor Daniels]

Jonathan Kulp wrote Wednesday, February 18, 2009 12:16 PM
> Trevor Daniels wrote:
> > Jonathan Kulp wrote Wednesday, February 18, 2009 12:16 AM
> > > Trevor Daniels wrote:
> > > > This looks like a bug.  An attempt to add the 
> > > > Instrument_name_engraver to a StaffGroup context *and* produce 
> > > > MIDI output causes a Crash under Vista.  Doing either 
> > > > separately is fine. Here's a minimal example:
> > > >
> > > > \version "2.12.2"
> > > > \score {
> > > >  \new StaffGroup \with { \consists Instrument_name_engraver }
> > > >  a'
> > > >  \midi { }
> > > > }
> > >
> > > It works if you also put a \layout block:
> > >
> > > \version "2.12.2"
> > > \score {
> > >  \new StaffGroup \with { \consists Instrument_name_engraver }
> > >  a'
> > >  \midi { }
> > >  \layout { }
> > > }
> >
> > I still get a crash even with the layout block here, i.e. under 
> > Vista SP1.
> >
> > It also causes a crash with 2.11.57-1.
> >
> > Maybe it's OS-dependent :(  What OS are you using?
> >
> > Trevor
> I'm running Ubuntu 8.04.  I'll reboot in Vista and see if it still 
> works for me...Nope.  It crashes in Vista Home Premium, works 
> under Linux.

That's bad news.  OS dependent faults are difficult.

What might be the connection between the Instrument_name_engraver,
a StaffGroup context and MIDI?

FWIW, here's the info about the crash:

 Exception Code: c0000005
 Exception Offset: 000b15a6
 OS Version: 6.0.6001.2.1.0.768.3
 Locale ID: 2057
 Additional Information 1: 8157
 Additional Information 2: e5c125f1fe4801129baf2589875a8741
 Additional Information 3: c78b
 Additional Information 4: 010e8fc734af15e2e734bc021cc92ff0

Trevor