On Mon, Apr 15, 2002 at 08:42:31AM +0200, Jens Kilian wrote: > Hi, > I've encountered an oops while using the generic usbserial driver to talk > to a USB device[1] I'm building. I need some help to determine if it's > my fault (I'm just beginning to learn about USB) or a bug on the driver side. > > I'm using a 2.4.18 kernel with the preempt_kernel patch, usb-uhci and usbserial > loaded as modules. Apart from the single device, there's nothing on the USB. > The device (EzUSB/AN2131SC based) at the moment just outputs a "hello, world" > message on one of its bulk endpoints.
Does the same problem happen without the preemt_kernel patch? > 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. thanks, greg k-h _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
