On Tue, Apr 13, 2010 at 07:40:24PM +0200, Andrea Cometa wrote: > Hi, > First of all I apologize for my poor knowledge of English ... > > I'm having problems with a USB serial adapter Prolific PL2303. > My Linux distribution is Ubuntu 9.10 with kernel 2.6.31-20. > the adapter is recognized and the file ttyUSB0 is also created. > But the serial device receives and sends no reply. > On the Internet I found some information concerning the possibility that > this adapter is a pl2303x instead pl2303, as the command lsusb shows the > value of "bmaxpacketsize0 64". > Have any ideas about how to fix this problem? The "x" device should work with the latest driver, can you try out a newer kernel version? The 2.6.31 kernel was known to have problems with the pl2303 and other tty drivers. thanks, greg k-h -- 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
