Am Dienstag 14 April 2009 01:36:33 schrieb Chuck Ebbert: > BUG: sleeping function called from invalid context at kernel/mutex.c:88 > in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper > Pid: 0, comm: swapper Not tainted 2.6.29.1-54.fc11.x86_64 #1 Is this specific to 2.6.29.1? It looks like setting low_latency, as cdc-acm, does for legacy reasons, is harmful now. Please remove these lines: /* force low_latency on so that our tty_push actually forces the data through, otherwise it is scheduled, and with high data rates data can get lost. */ tty->low_latency = 1; HTH Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html