Re: USB device not accepting new address

From: Pete Zaitcev (zaitcev@redhat.com)
Date: Wed Sep 05 2001 - 11:19:14 EST


> I have just come across another USB address problem, which happens
> sporadically and is not easy to reproduce.

> 1: [cfefa240] link (00000001) e0 IOC Stalled CRC/Timeo Length=7ff MaxLen=7ff
> DT1 EndPt=0 Dev=0, PID=69(IN) (buf=00000000)

If usb_set_address() ends in timeouts, something is bad with the
hadrware, most likely. Microcode crash in the device, perhaps.
Someone, I think it was Oliver, posted a patch that retries
usb_set_address(). It may help you, look in linux-usb-devel
archives.

-- Pete
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Sep 07 2001 - 21:00:31 EST