Re: NEXX NF-315: unusual_devs.h entry submission

[Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>]

On Sat, 3 Nov 2007, Alan Stern wrote:

> On Sat, 3 Nov 2007, Phil Dibowitz wrote:
> 
> > Thanks Serge, but please always reply to the list so more than just me can
> > take a look at this stuff.
> > 
> > Matt/Alan, I've attached Serge's output, but this does indeed look like an
> > INQUIRY failure, if I'm reading this right:
> > 
> > Nov  1 00:16:11 breeze kernel: usb-storage: *** thread awakened.
> > Nov  1 00:16:11 breeze kernel: usb-storage: Command INQUIRY (6 bytes)
> > Nov  1 00:16:11 breeze kernel: usb-storage:  12 00 00 00 24 00
> > Nov  1 00:16:11 breeze kernel: usb-storage: Bulk Command S 0x43425355 T 0x1
> > L 36 F 128 Trg 0 LUN 0 CL 6
> > Nov  1 00:16:11 breeze kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer
> > 31 bytes
> > Nov  1 00:16:11 breeze kernel: usb-storage: Status code 0; transferred 31/31
> > Nov  1 00:16:11 breeze kernel: usb-storage: -- transfer complete
> > Nov  1 00:16:11 breeze kernel: usb-storage: Bulk command transfer result=0
> > Nov  1 00:16:11 breeze kernel: usb-storage: usb_stor_bulk_transfer_sglist:
> > xfer 36 bytes, 1 entries
> > Nov  1 00:16:16 breeze kernel: usb-storage: command_abort called
> > Nov  1 00:16:16 breeze kernel: usb-storage: usb_stor_stop_transport called
> > Nov  1 00:16:16 breeze kernel: usb-storage: -- cancelling sg request
> > 
> > Thoughts?
> 
> If the device always behaves this way then it won't work under Windows.  
> It would be nice to know what does happen when it is plugged into a
> Windows system.  This can be determined easily enough using SnoopyPro 
> or an equivalent monitoring program.
> 
> It may simply be that the delay_use parameter needs to be set to a
> value larger than 5 seconds.  It might be a good idea to try that 
> approach first.

Looking back at Serge's original message shows that he has already 
tried increasing delay_use and it didn't help.  So SnoopyPro may be the 
best thing to use next.

Alan Stern


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