Ted, and all:
I tried out Ubuntu-Studio 12.04, which has the low-latency kernel, and
learned more about the problem.
1. It takes significantly more tries to get it to fail (Rosegarden
crash) than on the generic Ubuntu kernel.
2. It still misses notes (sometimes in the melody - not just the chords
track), and leaves notes sounding.
3. If I turn off the MIDI-thru routing in Rosegarden, and route the MIDI
signals using JACK, it misses a lot less notes, and I never have a
problem with notes left sounding.
4. I can reproduce the problem using the Emu10k1 synthesizer, but it
takes a lot of tries.
5. Using the Emu10k1 synthesizer, it seldom misses notes.
6. A different sequence editor, musE, does not experience a similar
problem. It works with either Qsynth or the Emu10k1. It never misses a
note. It generates the proper sound for the two recorded instruments,
but you have to keep setting it up to do so (it forgets between
recordings).
Anyway, I hope this additional information proves useful.
- Aere
On Fri, 2012-06-22 at 10:26 -0400, Ted Felix wrote:
> On 6/20/2012 9:44 AM, Ted Felix wrote:
> > This is my suspicion at this point. Hoping to get some time to work on
> > this.
>
> Ok, finally got some time to look at this. I was unable to reproduce
> the hang. I suspect that this was fixed back in January. We might be
> able to work on getting that patch into Ubuntu. In the meantime, can
> you grab the 12.04 source, build it, and retest? That should fix the
> hang. Let me know if you need any help getting it built and running
> it. My process for doing this is on the wiki:
>
> http://www.rosegardenmusic.com/wiki/dev:eclipse
>
> That gets the latest svn, but you can expand the tarball and start
> with "Get Dependencies". When you get to "Install Eclipse", stop and
> type "./rosegarden" to run what you built.
>
> Let me know if you need any help and I can walk you through the
> process. We've still got some more bugs you've identified to work on,
> so if we can get you running the latest (from svn), we can collaborate
> on getting them fixed. Then we can look into either a PPA for you, or
> sending patches to Ubuntu which should work their way into lubuntu.
>
> Ted.
>
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Sincerely,
Aere
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