2012/5/12 Clemens Ladisch <clemens@xxxxxxxxxx>: > plutek wrote: >> i've been running AVLinux5.0.3 on a ThinkPad T61p for a while now.... >> with an ART USB Dual Tube Pre, i can run Jack at 64 frames, 2 periods >> >> now i've got a new ThinkPad T520, and if i start jack on USB at 64*2 >> i get hundreds of xruns in seconds. > > Both machines run (I assume) the same software? Then the problem is > with the hardware, or its drivers. > > Please show the output of lspci and the contents of /proc/interrupts. > Thinkwiki says its got a QM67. That does USB 1.1 via the "Rate matching hub" and EHCI. I guess linux's hub driver is the culprit. Karsten _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
