Alan Stern wrote:On Wed, 31 Mar 2004, Brad Campbell wrote:
Well, I installed USB-Snoopy and guess what!
I can reproduce the lockups under windows on both machines, UHCI, EHCI and OHCI interfaces.
I have just sent an E-mail to Vipower (The vendor of this VP-9208 USB->IDE bridge cable) asking them what they intend to do about this issue.
I await further communication.
Brad
Your device has always seemed to behave differently from everyone else's.
The company will likely claim it is defective and offer to replace it.
While this would get you up and running again, it wouldn't help anyone else and it wouldn't address the underlying problem. :-(
Indeed. One thing I did find interesting though is that windows recovered whereas linux needs an
unplug/plug to recover (or sometimes a power cycle). I include the bit of USB-Snoopy log that shows
the urb going down, the lockup and recovery.
Can you repeat this in following scenario: - GenesysLogic Device connected to an external hub. - Enable USBSnoop on Genesys device and the external hub.
I expect to see windows do some sort of port-reset 'magic' during the 78.xxx ... 88.xxx time frame.
Note that i'e never seen win* issue Bulk/CB reset commands as stated in the USB-storage spec....
Actually most storage devices I've seen (mostly card-readers), dont even resond.
Thanks, - sda
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