On 2011-11-03 08:35 -0700, Greg KH wrote: > On Thu, Nov 03, 2011 at 10:47:16AM -0400, Nick Bowler wrote: > > pl2303_break_ctl - error sending break = -32 > > > > -32 would appear to be EPIPE. With the debugging disabled these errors > > get dropped on the floor, hence everything seems normal except that > > nothing happens when I send a break. The adaptor seems to work > > fine otherwise. > > That means your device does not support the "set break" command, sorry. > > I suggest you use a "real" usb to serial device, and not this one, if > you need to send a break with it. The pl2303 device is barely a > workable serial device, in my opinion of working with it for years. > There are many other better devices out there (like the ftdi_sio > devices for one.) OK, fair enough. Perhaps this driver could print an error message to that effect, then, instead of remaining completely silent? If EPIPE means "not supported", I can cook something up. Is there a way to send sysrq commands over a serial console without using break? Thanks, -- Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/) -- 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