[linux-audio-user] Any know USB problems with RT-patch?

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I've been having great success with kernel 2.6.13.1 and
realtime-preempt (patch rt6).

However... When I tried to hook up my MIDI keyboard via an external
USB-MIDI device I no longer see any midi-ports.

The kernel does see the event though:
===========================================================
Sep 13 19:59:04 localhost kernel: usb 2-1: new full speed USB device
using uhci_hcd and address 7
Sep 13 19:59:04 localhost kernel: usbaudio: device 7 audiocontrol
interface 0 has only 1 altsetting.
Sep 13 19:59:04 localhost kernel: usbaudio: device 7 audiocontrol
interface 0 has 0 input and 0 output AudioStreaming interfaces
Sep 13 19:59:04 localhost kernel: midi: probe of 2-1:1.0 failed with
error -5
Sep 13 19:59:04 localhost kernel: usb-midi: Found MIDISTREAMING on dev
0a92:1010, iface 1
Sep 13 19:59:04 localhost kernel: usb-midi: Found MIDIStreaming device
corresponding to Release 1.00 of spec.
Sep 13 19:59:04 localhost kernel: usb-midi: Found IN Jack 0x01 EMBEDDED
Sep 13 19:59:04 localhost kernel: usb-midi: Found IN Jack 0x05 EMBEDDED
Sep 13 19:59:04 localhost kernel: usb-midi: Found IN Jack 0x02 EXTERNAL
Sep 13 19:59:04 localhost kernel: usb-midi: Found OUT Jack 0x03
EMBEDDED, 1 pins
Sep 13 19:59:04 localhost kernel: usb-midi: Found OUT Jack 0x04
EXTERNAL, 1 pins
Sep 13 19:59:04 localhost kernel: usb-midi: Found OUT Jack 0x08
EXTERNAL, 1 pins
Sep 13 19:59:04 localhost kernel: midi: probe of 2-1:1.1 failed with
error -5
==============================================================

It turns out that if I unplug my USB-mouse it won't get reconnected
either, so it seems to be a general USB problem.

I didn't have USB problems with earlier kernels.

Peter

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