On Mon, Mar 27, 2000 at 04:45:56PM +0000, Johan Verrept wrote:
> hello,
>
> i am still trying to write my driver, but i got into problems.
>
> When i try to do a bulk out operation, i get this error :
>
> usb-uhci.c: interrupt, status 3, frame# 945
> usb-uhci-debug.h: TD @ c15fbd20/015FBD20, MaxLen=34 DT0 EP=7 Dev=3
> PID=( OUT ) buf=09cb77a0
> usb-uhci-debug.h: Len=34 e0 SPD IOC Stalled CRC/Timeo
> usb-uhci-debug.h: TD Link Terminate
>
> does this mean the endpoint is stalled ?
> if so, what can cause this ?
This means that there ocurred a timeout for the requested action that is
detected by the HC. The HC had 3 tries, and none were answered with
ACK/NACK/STALL responses. This is an USB protocoll violation.
Either you are addressing the wrong device, the wrong EP (7?), or the
device is simply dead.
--
Bye
Georg Acher, [EMAIL PROTECTED]
http://www.in.tum.de/~acher/
"Oh no, not again !" The bowl of petunias
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