Federico, The PAE setting was the problem. Thanks for helping, and I apologize for overlooking that step in the instructions.
John > On Nov 2, 2015, at 10:17 AM, Federico Bruni <f...@inventati.org> wrote: > > Il giorno lun 2 nov 2015 alle 16:04, John Gourlay <j...@weathervanefarm.net> > ha scritto: >> I’m a new user of LilyPond hoping to get involved in development. I’ve >> installed VirtualBox and with it I’ve created a virtual machine with the >> LilyDev disk image. The Debian installation completed, but it won’t run; >> VirtualBox gives me a popup error message saying, “A critical error has >> occurred while running the virtual machine…” Do you have any suggestions for >> overcoming this problem? >> I’m running Mac OS X version 10.10.5, VirtualBox version 5.0.8, and the >> LilyDev disk image lilydev-4.0-i386.hybrid.iso. What other information would >> be most helpful in diagnosing the problem? > > Hi John > > I have no idea of what the error may be... > Did you check with md5 if the file you downloaded is corrupted (probably not, > if the installation completed successfully)? You should get exactly this > string: > > $ md5sum lilydev-4.0-i386.hybrid.iso > 9da792275907b44cd6b98f67b64a33f5 > > Did you enable PAE in Virtualbox, as explained in point 5 here? > http://lilypond.org/doc/v2.19/Documentation/contributor/lilydev#installing-lilydev-in-virtualbox > > If all above is correct, try: > > 1. checking the log file of virtualbox > 2. running virtualbox from the command line and hopefully you'll get more > useful information > > > _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel