Since I have similiar issues with the firewire support on that device, 
I'll just assume it's bad and see if I can get support from the vendor.

Thanks for your help.

On Tue, 8 Jun 2004, Matthew Dharm wrote:

> There are two basic possibilities:
> 
> 1) A device problem
> 2) Some sort of very subtle HCD bug.
> 
> I can't help you with either... folks on linux-usb-devel might be able to
> help if it's an HCD bug.  But that's kinda unlikely.
> 
> Matt
> 
> On Tue, Jun 08, 2004 at 02:16:48PM -0400, [EMAIL PROTECTED] wrote:
> > Any theories what is causing the pauses in the first place?  Perhaps 
> > something I can change on my side?
> > 
> > On Tue, 8 Jun 2004, Matthew Dharm wrote:
> > 
> > > On Tue, Jun 08, 2004 at 02:03:34PM -0400, [EMAIL PROTECTED] wrote:
> > > > Matt,
> > > > 
> > > > Thanks for the info.  I've recompiled the usb-storage module with verbose 
> > > > debugging, and managed to trip the bug again.  Unfortunately it look a 
> > > > while to trigger, and now /var/log/messages is 74 megs.
> > > > 
> > > > I'm attaching 2000 lines of usb-storage output from the end of the log.  
> > > > If you end up needing more, let me know.
> > > 
> > > And here's where things to bad:
> > > 
> > > > Jun  8 13:56:59 cthulhu usb-storage: queuecommand called
> > > > Jun  8 13:56:59 cthulhu usb-storage: *** thread awakened.
> > > > Jun  8 13:56:59 cthulhu usb-storage: Command READ_10 (10 bytes)
> > > > Jun  8 13:56:59 cthulhu usb-storage:  28 00 03 0a 56 8f 00 00 f0 00
> > > > Jun  8 13:56:59 cthulhu usb-storage: Bulk Command S 0x43425355 T 0x12352 L 
> > > > 122880 F 128 Trg 0 LUN 0 CL 10
> > > > Jun  8 13:56:59 cthulhu usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
> > > > Jun  8 13:56:59 cthulhu usb-storage: Status code 0; transferred 31/31
> > > > Jun  8 13:56:59 cthulhu usb-storage: -- transfer complete
> > > > Jun  8 13:56:59 cthulhu usb-storage: Bulk command transfer result=0
> > > > Jun  8 13:56:59 cthulhu usb-storage: usb_stor_bulk_transfer_sglist: xfer 
> > > > 122880 bytes, 30 entries
> > > > Jun  8 13:57:29 cthulhu usb-storage: command_abort called
> > > > Jun  8 13:57:29 cthulhu usb-storage: usb_stor_stop_transport called
> > > > Jun  8 13:57:29 cthulhu usb-storage: -- cancelling sg request
> > > > Jun  8 13:57:29 cthulhu usb-storage: Status code -104; transferred 25344/122880
> > > > Jun  8 13:57:29 cthulhu usb-storage: -- transfer cancelled
> > > > Jun  8 13:57:29 cthulhu usb-storage: Bulk data transfer result 0x4
> > > > Jun  8 13:57:29 cthulhu usb-storage: -- command was aborted
> > > > Jun  8 13:57:29 cthulhu usb-storage: usb_stor_Bulk_reset called
> > > > Jun  8 13:57:29 cthulhu usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
> > > > value=0000 index=00 len=0
> > > > Jun  8 13:57:35 cthulhu usb-storage: Soft reset: clearing bulk-in endpoint halt
> > > > Jun  8 13:57:35 cthulhu usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
> > > > value=0000 index=82 len=0
> > > > Jun  8 13:57:35 cthulhu usb-storage: usb_stor_clear_halt: result = 0
> > > > Jun  8 13:57:35 cthulhu usb-storage: Soft reset: clearing bulk-out endpoint 
> > > > halt
> > > > Jun  8 13:57:35 cthulhu usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
> > > > value=0000 index=01 len=0
> > > > Jun  8 13:57:35 cthulhu usb-storage: usb_stor_clear_halt: result = 0
> > > > Jun  8 13:57:35 cthulhu usb-storage: Soft reset done
> > > > Jun  8 13:57:35 cthulhu usb-storage: scsi command aborted
> > > > Jun  8 13:57:35 cthulhu usb-storage: *** thread sleeping.
> > > 
> > > Specifically, what's happening here is that a read command was sent to the
> > > device, and the device gave us 25344 bytes (of 122880 requested).  Then it
> > > paused.  Pausing is legal -- but it paused for about 90 seconds, so the
> > > SCSI layer decided to abort the command.  Abort processing kicked in, 
> > > 
> > > The rest of the log shows that we reset the device, re-established
> > > communication, and re-tried the command that caused the problem.  That, in
> > > turn, caused another failure.  Lather, rince, repeat.
> > > 
> > > The filesystem code definately needs to handle this sort of thing.
> > > 
> > > Matt
> > > 
> > > -- 
> > > Matthew Dharm                              Home: [EMAIL PROTECTED] 
> > > Maintainer, Linux USB Mass Storage Driver
> > > 
> > > I say, what are all those naked people doing?
> > >                                   -- Big client to Stef
> > > User Friendly, 12/14/1997
> > > 
> 
> -- 
> Matthew Dharm                              Home: [EMAIL PROTECTED] 
> Maintainer, Linux USB Mass Storage Driver
> 
> Hey Chief.  We've figured out how to save the technical department.  We 
> need to be committed.
>                                       -- The Techs
> User Friendly, 1/22/1998
> 


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