P.S Further testing with MusE comparing sync performance with snd-usb-audio compared to snd-mtpav, shows that output sync definitely isn't being sent properly to the device. cheers Allan On Sat, 2006-12-09 at 18:14 +1100, Allan Klinbail wrote: > Hi > > I just tried opening a file with multiple ports assigned to the mtpav. > It locked the system. > > This repeated in testing again. However if opening assigning a port to > the mtpav prior to opening a file it worked perfectly. > > cheers > > Allan > > > > On Fri, 2006-12-08 at 02:07 +1100, Allan Klinbail wrote: > > Hi Clemens > > > > I can't find any other sequencers with sync implemented properly... > > > > Rosegarden doesn't accept any MIDI sync in on my system, and does not > > seem to set a correct out as the external sequencer shows it's play > > light go on but does not catch up sync until stop is pressed. > > > > MusE has rock solid sync out and I am only seeing the problems on sync > > in. I do not know of another software I can use to compare to try and > > identify if it is the driver or the software. > > > > Let me know if you know of one. Takashi, once sent me a cli based > > program to test this, but I know longer have it. (It was on a 2.2 kernel > > so probably wouldn't work anyway) > > > > cheers > > > > > > Allan > > > > > > On Thu, 2006-12-07 at 19:40 +1100, Allan Klinbail wrote: > > > Hi Clemens, > > > > > > I haven't tried the other 2 yet (will do today or tomorrow), however I > > > have done some more extensive testing today. This only happens when the > > > mtp-av is actually plugged in and turned on at the point where the > > > driver is first used (i.e. assigning a MIDI Port in MusE to a channel on > > > the mtpav or trying to send play a midi file through one of the mtpav > > > ports using a command line sequencer. If the device is actually turned > > > off the driver computer behaves as if everything is okay. > > > > > > I also found that the driver doesn't hang the machine if a MIDI port is > > > assigned in MusE while the device is powered down. The system doesn't go > > > into hard lock if the system is powered up after this. The driver works > > > reasonably reliably in this state. > > > > > > I was able to add extra ports in MusE after it was turned on (only after > > > the first port had already been assigned). I was also able to play to > > > and record from the individual ports. > > > > > > I say reasonably reliably as the timing doesn't seem to be working 100%. > > > The "tach" light flashes on the mtpav and I don't seem to be able to get > > > reliable sync. However this only happens when I don't block Midi clock > > > from one of my other external sequencers and don't disconnect the MIDI > > > cables from my usb MIDI controller from the mtpav. > > > > > > Admittedly this could be to do with the sync implementation in MusE, so > > > I will try with Rosegarden as well. > > > > > > I have to go to dinner now, but let me know if there is anyway I can get > > > debug information for you that will help solve this. > > > > > > ALthough it's still not working rock solidly, I am much happier to see > > > something start to work. Unfortunately though this appears to be more > > > driver related than hardware, so a quick fix like a new motherboard > > > won't solve it. > > > > > > cheers > > > > > > Allan > > > > > > > > > > > > > > > On Thu, 2006-12-07 at 08:31 +0100, Clemens Ladisch wrote: > > > > Allan Klinbail wrote: > > > > > I have only been getting a total lockup when trying to initialise the > > > > > mtpav driver for my MOTU midi timepiece (i.e. actually using it in a > > > > > sequencer), for a very long time. > > > > > > > > Does this happen only with the snd-mtpav driver or also with other > > > > drivers like snd-mpu401 or snd-seq-dummy? > > > > > > > > > > > > Regards, > > > > Clemens > > > > > > ------------------------------------------------------------------------- > > > Take Surveys. Earn Cash. 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