On 09/20/2011 09:40 AM, Atte André Jensen wrote: > On 09/20/2011 08:55 AM, Jeremy Jongepier wrote: >> On 09/20/2011 08:32 AM, Atte André Jensen wrote: >>> Whenever a window is dragged, or there's disk activity or something like >>> that there's an x-run. >> >> Hello Atte, >> >> Maybe the USB host controller shares its interrupt with the GPU? Could >> you post the output of *cat /proc/interrupts* ? > > As I'm away from the computer ATM, I cannot provide the output, but I > ran cat /proc/interrupts, and AFAIR almost nothing was shared, I > remember being both impressed and puzzled... > >> And what JACK settings >> are you using? > > Don't remember the exact settings, but priority round 65 or 85, > frames/period 128 (even very problematic at 256), periods/buffer at 3, > samplerate 48000. > >> And did you try different USB ports, different USB cables? > > I thought about that but didn't get around to trying that. I think it > has 4 usb ports + it sits in a docking station with additional 2-3 > ports. I *should* make no difference according to my logic, but my logic > has failed before, so... > > The cable was the same I used on my box, where performance was great... > Thanks, well that bars out a lot of possible causes. Did you also run *lsusb* to check what devices were connected to the USB controllers? Maybe the keyboard and/or touchpad are connected to a USB controller too and get in the way of the sound device. Jeremy _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user