Does the same thing happen, when you use 2.4 ?? Quoting solne4ny <[EMAIL PROTECTED]>:
> Hi, > > We have the same problem with the kernel 2.6.12. > > We have both 100 MCM 4+16 and 100 LX FOX boards both running 2.6.12. > We tried USB to RS232 converter from acmesystems.it. > > Both boards (MCM and LX) hangs after smth > was written to /dev/ttyUSB0 like > echo 12345 > /dev/ttyUSB0 > Sometimes it manages to work for a while, but hangs after a time. > > "Hangs" means console on /dev/ttyS0 does not respond. > > It also hangs after stty changes serial port settings. > > Questions: > Is the configuration correct? (it follows) > Is it correct to change ttyUSB0 settings in the same way as ttyS0, for > example? > > Details: > ======== > > One time I managed to get the following from dmesg right before it hanged: > drivers/usb/host/hc_crisv10.c: Got epid_attn for epid 1 with no urb. > drivers/usb/host/hc_crisv10.c: R_USB_EPT_DATA = 0x0 > drivers/usb/host/hc_crisv10.c: R_USB_STATUS = 0x17 > > > I enabled the following USB features in kernel configuration: > CONFIG_ETRAX_USB_HOST=y > CONFIG_ETRAX_USB_HOST_PORT2=y > CONFIG_USB=y > CONFIG_USB_DEVICEFS=y > CONFIG_USB_STORAGE=y > CONFIG_USB_SERIAL=y > CONFIG_USB_SERIAL_FTDI_SIO=y > CONFIG_USB_SERIAL_PL2303=y > > I connected the USB to RS232 converter and to my workstation. > When the FOX board starts it tells the following: > usbcore: registered new driver usbserial > drivers/usb/serial/usb-serial.c: USB Serial Driver core v2.0 > drivers/usb/serial/usb-serial.c: USB Serial support registered for > FTDI SIO > drivers/usb/serial/usb-serial.c: USB Serial support registered for > FTDI 8U232AM Compatible > drivers/usb/serial/usb-serial.c: USB Serial support registered for > FTDI FT232BM Compatible > drivers/usb/serial/usb-serial.c: USB Serial support registered for > FTDI FT2232C Compatible > drivers/usb/serial/usb-serial.c: USB Serial support registered for > USB-UIRT Infrared Tranceiver > drivers/usb/serial/usb-serial.c: USB Serial support registered for > Home-Electronics TIRA-1 IR Transceiver > usbcore: registered new driver ftdi_sio > drivers/usb/serial/ftdi_sio.c: v1.4.2:USB FTDI Serial Converters Driver > drivers/usb/serial/usb-serial.c: USB Serial support registered for PL-2303 > pl2303 1-2:1.0: PL-2303 converter detected > usb 1-2: PL-2303 converter now attached to ttyUSB0 > usbcore: registered new driver pl2303 > drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor > driver v0.12 > > > Best regards, > Alexey Luchko. > > >
