On Wed, 5 Sep 2001, Wolfgang Grandegger wrote: > maybe there are some known problems with usb-ohci or the > UBS controller "OPTi Inc. 82C861" on linux 2.4.3. I have > therefore sent a CC to the linux-usb-devel mailing list. > Maybe someone on this list can help you.
Well, that is possible but I am able to use other USB devices including a scanner and an ethernet interface hanging off the same port. Thanks for the reply. > Mark Whitis wrote: > > > > The mct_u232 driver apparently causes my system to crash when bulk > > data is transfered to the mct_u232 but statserial works. > > > > statserial /dev/usb/ttyUSB0 > > # plug and unplug attached serial device and watch handshake lines > > # change status > > # Control-C to exit > > stty 19200 ixon -onlcr </dev/usb/ttyUSB0 > > cd ~whitis/src/pbm2lwxl/ > > # cat 3tux.pbm | pbm2lwxl 448 700 >/dev/usb/ttyUSB0 > > # CRASHES SYSTEM!!!!! > > # Apparently sending bulk data to the USB device crashes the system > > > > pbm2lwxl doesn't do anything strange - no ioctls. It just reformats > > a bitmap into the form used by the dymo label printers. Dymo reselss > > the MCT USB-232 for use with those printers. I wrote the linux > > driver for those printers. Same thing will happen with minicom > > or cat'ing a file at the port. It is entirely repeatable on this > > machine but it takes an awful long time to fsck afterwards. > > > > The ASUS P5-A motherboard USB ports and PS-2 do not work (they > > are not recognized by the system at all even though they should be, > > It might have the same bug as P2B-D motherboards (inadequate voltage). > > So, I installed a ADS Technologies > > 82C861 based OHCI. That seems to work fine with my pegasus based > > usb ethernet. > > > > The attached file has tons of info about the system configuration. > > I am using the usb drivers which came with that version. > > > > -- > > -- > > Mark Whitis http://www.freelabs.com/~whitis/ NO SPAM > > Author of many open source software packages. > > Coauthor: Linux Programming Unleashed (1st Edition) -- -- Mark Whitis http://www.freelabs.com/~whitis/ NO SPAM Author of many open source software packages. Coauthor: Linux Programming Unleashed (1st Edition) _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
