On Tue, Apr 16, 2002 at 08:28:21AM +0000, Jens Kilian wrote: > > Does the same problem happen without the preemt_kernel patch? > > I'll have to try. (Would it be worth to use a newer kernel, too?)
Yes it would. > Yesterday I tried out the "uhci" driver instead of "usb-uhci"; it seemed to be > more stable, but after some use there was another system freeze (at which > point I called it a day and didn't try to reproduce it). > > > > After loading the usbserial module, giving it my device's vendor and product > > > IDs, I run 'cat /dev/ttyUSB0'; this correctly displays the message stream. > > > When I hit CTRL-C, I get an oops. The machine locks up solid, so I had to > > > copy the message by hand; here's what I have: > > > > Can you load the usbserial module with "debug=1" and send the kernel > > debug output somewhere? What it says right before the oops would be > > helpful to know. > > I did that, and saw no suspicious messages. What would I look for? Just send the messages that are there. It will show what the driver is doing right up to the oops, which is very useful in tracing down the problem. thanks, greg k-h _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
