On Friday, December 16, 2011 09:10:48 PM Bob van der Poel did opine: > On Fri, Dec 16, 2011 at 3:53 PM, Brett McCoy <idragosani@xxxxxxxxx> wrote: > > On Fri, Dec 16, 2011 at 4:01 PM, gene heskett <gheskett@xxxxxxxx> wrote: > >> On Friday, December 16, 2011 03:55:40 PM Brett McCoy did opine: > >>> Do you get the same lockups if you have Rosegarden send MIDI to a > >>> softsynth like Fluidsynth or ZynAddSubFX? > >> > >> As the reboot recovery here is about a 20 minute process due to > >> e2fsck'ing about a terrabyte drive, and I get all my custom stuff > >> I've been running for years restarted, I hadn't tried that. Its > >> default software synth is timidity, so I haven't even installed > >> these two listed above. Are you implying that an unserviced IRQ > >> from the sound card might be at the bottom of this dog pile? If so, > >> how would one go about determining that? > > > > I don't know what could be causing the issue. You need to see if the > > same problems happen when the hardware synth is not being used. If no > > lockups occur when Rosegarden plays back to Fluidsynth or another > > synth, then see if you get the same lockup when another MIDI sequencer > > sends MIDI to you hardware synth. If so, then the problem is your > > audio hardware. Is the hardware a PCI card or built-in on the > > motherboard? PCI > I can add that when I used the MIDI ports on my Audiophile PCI card > I'd get total system lockups all the time :) I now use the el-cheapo > USB->Midi interfaces and have never had a problem with them. The > audiophile lockups were over different computers and several different > Ubuntu installs. Never figured out what was going on ... just decided > to use the USB thing and not worry. Potentially at the cost of some latency, plus I understand that USB can re- order packet sequences. As long as they get there, I don't imagine that as being a huge problem though, as long as the note off doesn't get there before the corresponding note on. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> If you are afraid of loneliness, don't marry. -- Anton Chekhov _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user