On Tue, 12 Jun 2007 16:15:53 -0400 Wayne Topa <[EMAIL PROTECTED]> wrote:
> Celejar([EMAIL PROTECTED]) is reported to have said: > > Hi, > > > > I'm trying to use a USB-serial converter with an external (RS232), > > hardware modem. The converter is a no-name, Asian brand with the > > Prolific 2303 chipset. I'm trying to get it to work with the pl2303 > > driver. Using the in-kernel version (2.6.21, built with make-kpkg from > > the Debian source package), the driver builds and loads and > > creates /dev/ttyUSB0, but communication with the modem doesn't work (I > > have used this US Robotics Sportster successfully on a different system > > that has an actual serial port). The included driver CD contains what > > seems to be an older version of pl2303, which I haven't yet tried. > > This site [0] suggests that some apparent 2303 are really 2303X and > > need a patch to work, but I tried the patch against my 2.6.21 sources, > > and patching failed. The site seems old; perhaps the code has been > > integrated into the mainline kernel? The CD suggests that it may > > indeed be a 2303X, but it isn't entirely clear. Does anyone have any > > experience with these things, or any suggestions about getting them to > > work? > > > > I am using a simular Asian brand adapter, with an older GPS unit, on > the 2.6.18 kernel which includes the pl2303 driver. When it's > plugged in, the usbserial and pl2303 modules are loaded. Is yours doing > the same? Sorry but thats all I can think of. Thanks, but the stuff in /var/log/messages looks fine: > Jun 13 09:32:44 lizzie kernel: usb 2-1: new full speed USB device using > uhci_hcd > and address 2 > Jun 13 09:32:44 lizzie kernel: usb 2-1: configuration #1 chosen from 1 choice > Jun 13 09:32:44 lizzie kernel: usbcore: registered new interface driver > usbseria > l > Jun 13 09:32:44 lizzie kernel: drivers/usb/serial/usb-serial.c: USB Serial > Drive > r core > Jun 13 09:32:44 lizzie kernel: drivers/usb/serial/usb-serial.c: USB Serial > suppo > rt registered for pl2303 > Jun 13 09:32:44 lizzie kernel: pl2303 2-1:1.0: pl2303 converter detected > Jun 13 09:32:44 lizzie kernel: usb 2-1: pl2303 converter now attached to > ttyUSB0 > Jun 13 09:32:44 lizzie kernel: usbcore: registered new interface driver pl2303 > Jun 13 09:32:44 lizzie kernel: drivers/usb/serial/pl2303.c: Prolific PL2303 > USB > to serial adaptor driver After much Googling and frustration, I'm near a conclusion that I have a defective unit; normally it apparently "just works". Incidentally, I tried using it under Windows, but the driver installation repeatedly crashed the system, requiring hard reboots ... > Wayne Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
