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

Phil Dibowitz <phil@xxxxxxxx> · Sat, 03 Nov 2007 07:24:10 -0700

Serge (gentoosiast) Koksharov wrote:
> On Tue, Oct 30, 2007 at 10:16:31PM -0700, Phil Dibowitz wrote:
>> Matthew Dharm wrote:
>>> Why do you think that the INQUIRY is the problematic command?
>>>
>>> Rebuild with CONFIG_USB_STORAGE_DEBUG (and without your patch) for more log
>>> data.  Also, you can try adjusting the delay_use parameter (default is 5 --
>>> try increasing to 10).
>> I'm with Matt on this one. I realize your patch fixes things for you, but
>> it's likely that's just a coincidence. It would be useful to see if changing
>> delay_use fixes things, and at what value.
> 
> 	Hello, Phil
> 
> Thanks for reply. delay_use didn't fixed anything, tried 10 then
> increased to 60 seconds without any success. Please look at attached
> logfile with CONFIG_USB_STORAGE_DEBUG enabled: I connected MP3 player,
> waited for two minutes and manually disconnected it from the USB port.

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?

-- 
Phil Dibowitz                             phil@xxxxxxxx
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