hollunder@xxxxxx wrote: > On Tue, 08 Sep 2009 14:48:27 +0100 > andy baxter <andy@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > >> James Cameron wrote: >> >>> On Tue, Sep 08, 2009 at 10:14:24AM +0100, andy baxter wrote: >>> >>> >>>> - using a program which turns the computer keyboard into a virtual >>>> midi device. This makes the sound much more immediate. Having >>>> tried this, the contrast makes it obvious that there is still a >>>> problem with delays from the edirol keyboard. >>>> >>>> >>> ... >>> >>> Watch /proc/interrupts while trying to play, and see what counters >>> increment in the matrix. Here's a fun way ... run this in a >>> terminal window while playing keys on the MIDI keyboard ... >>> >>> watch -d --interval=0.1 cat /proc/interrupts >>> >>> What is the kernel version? You mentioned Debian Testing and Ubuntu >>> Jaunty. >>> >>> >> I'm using a hand compiled kernel under debian testing - 2.6.26.8 with >> the rt16 patch. I also tried a 2.6.29 kernel with rt23, but this >> didn't work. (May have been my mistake but I ended up with a problem >> with repeating keys and also the jack daemon wouldn't start properly.) >> >> Will try what you've suggested and let you know how it goes. >> >> Many thanks for the time you've spent looking into this. >> >> cheers, >> >> andy >> > > He, so I was not the only one who got the repeating key problems with > 2.6.29-rt. I think I had other issues as well. > Now if only 2.6.31-rt was out already :) > > I also had a problem with the xserver crashing and behaving oddly with the intel driver, which was only curable by switching to the vesa driver. > I use a keyboard with midi over usb and the output is over a usb > interface, yet I haven't noticed any annoying delay. At the moment jack > is set to 16ms, which of course is more when you measure it, especially > with usb. > What distro and kernel are you using? If all else fails I'll maybe copy your setup. andy _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
