Re: rx errors reported by usbnet
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 25 May 2007, David Brownell wrote: > > > We checked the USB cable and protocol on the wire and everything looks > > > good. The USB device that is connected to the hosts looks fine well. > > > > > > Finally we see this in the NXP ISP1563_Errata_070417: > > > > > > "Afer receiving a continous series of NAKs, ranging from 150 ms to 500 > > > ms, the ISP1563 will retun a condition code 06h (PID failure) in the > > > general Transfer Descriptor (TD). This error causes the software to > > > stall the endpoint" > > They must be thinking of MS-Windows or something ... this isn't > a TD_CC_STALL, so Linux would never report a stall!! That line doesn't make sense at all. Hosts don't stall endpoints; slaves do. The most the host can do is tell the slave to set the endpoint's HALT feature, and I doubt they meant that. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel