TYPO -->dig<-- should be *dug*. ----- Original Message ----- From: Rita Lin <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 05, 2004 5:39 PM Subject: Is it possible to lose a xfer request queued using usbd_transfer()?
> Hello, > > I stumbled on a problem that I need some suggestion to continue tracking > where the problem is. > I started a tip session to the usb port, after typing two characters, any > more input returned TS_BUSY. > I noticed that this problem also exists when I do a 'cat junk > /dev/ucom0'. > After two consecutive usbd_transfer(), it sits there. > > After some code tracking, I found that the ucomwritecb() for the third > usbd_transfer() never gets called in uhci_idone(). I haven't dig further > down yet. I'm going to do that tomorrow. If you have some idea, or have some > suggestion how I can tackle this problem, please shine some light on me. The > first two usbd_transfer are successful, and I could see the packets going > out to the USB port with a USB analyzer. > > Thank you so much. > Rita > > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "[EMAIL PROTECTED]" _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"