On April 7, 2018 at 9:58 PM Bric <b...@flight.us> wrote:

I occasionally experience a denemo crash on my Ubuntu 16.04 LTS which crashes my entire session, ending with the Ubuntu user login screen.

This has happened several times, when I am refreshing the "Typeset Music" window, after some particular change. And today it happened again after the pop-up dialog "Restart Subsystem?", to which I answered "OK" and then got the crash.  And then another crash logout when I changed settings - unchecked "Spill notes to next measure" and (i believe) clicked to refresh the Typeset Window. After that it crashed again, when I (re)started denemo (after I deleted the auto-saved document), before any user activity,

After that I logged back in, and it has run without crashing.

It might be tricky to capturing the crash/debug messages here (not sure), since I get totally logged out, immediately (I could be wrong)

Just thought I'd report it finally.  This has been rare, such that I kept ignoring it.

I am using Gnome metacity classic

Linux **** 4.4.0-112-generic #135-Ubuntu SMP Fri Jan 19 11:48:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

 Hmm... This install/build of Denemo is becoming unusable for me.

Just crashed again, when I started it and then invoked the playback window.   I was trying to fix my lack of audio playback - it suddenly went silent in all windows that should produce playback sound.   When I press "play" in the editor there are no errors, and the cursor is moving, as it normally does during playback, but there is no sound.

I am suspecting the crashes to be related to the audio component... I used to use jack audio on other Ubuntu setups, but have not been lately - using pulse.  I remember crashes years ago, related to the wrong audio configuration

Needless to say (but i'm saying it nonetheless):  the x session crash is devastatingly disruptive; i don't remember experiencing anything like that before... an app bringing down the whole session.

Also:  My gnome session gives me some errors when I first log into Ubuntu, but i haven't had any "fatalities" until this one, so i've been ignoring those.  Perhaps it's time to address these - could be some weird combination of that plus denemo specifics.

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