* Thierry Herbelot <[EMAIL PROTECTED]> [081125 13:51] wrote: > Hello, > > (this is with the old USB stack, on a -slow- 7.1 i386 machine) > > I'm playing with a USB2.0 device which exposes multplie endpoints (control on > EP0, then bulk endpoints 1, 2 and 3). > > When I run a control application doing EP0 requests simultaneously with > another process reading off EP2, the reading process only gets errors : > "Received -1 vs 65536 bytes requested ep 2 errno=5 (Input/output error)" > > The control application by itself works correctly. > > I'm using a simple read system call to read from ugen0.2 : > "nb_bytes = read(ep_fd[2], buf, nb);" > > Is there anything I should do to for example increase the ep2 buffer size ? > (maybe I should also try the new USB stabck, for sure)
Give usb2 a shot. Hans is pretty on top of issues in it. -- - Alfred Perlstein _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"
