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
>
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