Hi, You could search in /sys/dev/usb for xxx_pipe_open() or something like that, and remove the clear stall command from that function and the recompile your kernel and modules.
--HPS On Friday 07 March 2008, Vladimir Terziev wrote: > On Thu, 6 Mar 2008 18:07:44 +0100 > > Hans Petter Selasky <[EMAIL PROTECTED]> wrote: > > On Thursday 06 March 2008, Vladimir Terziev wrote: > > > Hi, > > > > > > i have ACS ACR38T Smart card reader/write device (idVendor=0x072f, > > > idProduct=0x90cc), which is an USB stick. I try to make it to work > > > under FreeBSD (trys have been done on 5.4, 5.5 and 6.2). > > > > > > The device has 3 endpoints -- interrupt-in, configured as /dev/ugenX.1 > > > and bulk-in/bulk-out, configured as /dev/ugenX.2. > > > > > > Neither the driver from openct-0.6.14 port nor the driver from > > > ccid-1.3.5 port work for the device. > > > > > > The communication with the device gets stuck on BULK-OUT operations. > > > write(2) calls to /dev/ugenX.2 hang forever despite the timeout set > > > with USB_SET_TIMEOUT. > > > > > > The device has been tested to work under Windoze, so as general, it's > > > not broken, but just irresponsive. > > > > > > Could someone give me some clues about the nature of the problem ? > > > > > > Thanks in advance! > > > > > > Vladimir > > > > Hi, > > > > Some USB devices have problems with Clear Stall. FreeBSD usually clears > > the stall on the endpoints before starting to use them. Some devices > > empty the fifo when receiving this clear stall, and does not requeue the > > data. That is why your device most likely does not work. > > > > --HPS > > Is there something i could do in order to workaround such a behaviour ? > > Vladimir _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"
