On Tue, 3 Mar 2009, Jon Smirl wrote: > On Tue, Mar 3, 2009 at 1:04 AM, Greg KH <greg@xxxxxxxxx> wrote: > > > > On Tue, Mar 03, 2009 at 12:06:10AM -0500, Jon Smirl wrote: > > > I have an Olimex ARM-USB-OCD which I haven't used in a while. I just > > > got it out and tried using it on 2.6.28. I can't get the serial port > > > and JTAG to work simultaneously. It appears to me that ftdi-sio is > > > interfering with the user space jtag program. No, it's the other way 'round. The jtag program is trying to interfere with ftdi-sio, and the kernel is preventing it from doing so. > > > I get this in the log > > > file when I use the user space program. > > > > > > usb 7-2: usbfs: interface 1 claimed by ftdi_sio while 'jtag' sets config #1 This is the problem: The jtag program tries to do an unnecessary Set-Config. If that call were removed from the program then it ought to work just fine. If the Set-Config call were allowed to proceed, it would mess up your terminal connection anyway. Alan Stern -- 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