Am Freitag, den 22.10.2010, 14:35 -0400 schrieb Alan Stern: > Have you tried unloading the webcam driver? It may not make any > difference, but avoiding potential interference between devices is > always a good idea. I unloaded the related modules, but the problem persists. > If that doesn't work, build a kernel with CONFIG_DEBUG_FS and > CONFIG_USB_DEBUG enabled. Mount a debugfs filesystem on > /sys/kernel/debug. Then while running a test, make copies of the files > under /sys/kernel/debug/usb/ehci/B, where B is the appropriate > directory for the bus your soundcard is plugged into. The files are attached. The webcam was disabled. I made 4 snapshots: 0. before plugging in the soundcard 1. after plugging in the soundcard (device idle) 2. after the error, while trying to record with 4 inputs 3. after unplugging (a bunch of urb errors occur) Output of /var/log/messages and /var/log/kern.log is included. If you need anything else, just let me know. Thank you for your help!!
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