On Thu, 18 Mar 2004, Jens Benecke wrote:

>  Hi,
>  
>  I have an external HDD (200G) in a case that has both FW and USB2 outputs.
>  FW work great since 2.6.2, connecting the USB to a machine running 2.4.23
>  instantly rebooted the machine, and in 2.6 (currently 2.6.5rc1bk2) it
>  doesn't work either:  
>  
>  I tried on a 3 year old P3-700 laptop with an Intel 8327something chipset,
>  and on a new P4 with a 
>          00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02)
>          00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02)
>          00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02)
>          00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 02)
>  chipset. Both don't work and both show the same behaviour.
>  
>  Is this a problem in the USB controller, or the hardware, or Linux? The HDD
>  works with Windows XP on the Laptop.
...
>   usb-storage: *** thread sleeping.
>   usb-storage: queuecommand called
>   usb-storage: *** thread awakened.
>   usb-storage: Command READ_10 (10 bytes)
>   usb-storage:  28 00 17 bd 88 00 00 00 01 00
>   usb-storage: Bulk Command S 0x43425355 T 0x9 L 512 F 128 Trg 0 LUN 0 CL 10
>   usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
>   usb-storage: Status code 0; transferred 31/31
>   usb-storage: -- transfer complete
>   usb-storage: Bulk command transfer result=0
>   usb-storage: usb_stor_bulk_transfer_sglist: xfer 512 bytes, 1 entries
>   usb-storage: Status code -32; transferred 0/512
>   usb-storage: clearing endpoint halt for pipe 0xc0010280
>   usb-storage: usb_stor_control_msg: rq=01 rqtype=02 value=0000 index=82 len=0
>   usb-storage: usb_stor_clear_halt: result = 0
>   usb-storage: Bulk data transfer result 0x2
>   usb-storage: Attempting to get CSW...
>   usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes
>   usb-storage: Status code 0; transferred 13/13
>   usb-storage: -- transfer complete
>   usb-storage: Bulk status result = 0
>   usb-storage: Bulk Status S 0x53425355 T 0x9 R 512 Stat 0x1
>   usb-storage: -- transport indicates command failure
>   usb-storage: -- unexpectedly short transfer
>   usb-storage: Issuing auto-REQUEST_SENSE
>   usb-storage: Bulk Command S 0x43425355 T 0x80000009 L 18 F 128 Trg 0 LUN 0 CL 6
>   usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
>   usb-storage: Status code 0; transferred 31/31
>   usb-storage: -- transfer complete
>   usb-storage: Bulk command transfer result=0
>   usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes
>   usb-storage: Status code 0; transferred 18/18
>   usb-storage: -- transfer complete
>   usb-storage: Bulk data transfer result 0x0
>   usb-storage: Attempting to get CSW...
>   usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes
>   usb-storage: Status code 0; transferred 13/13
>   usb-storage: -- transfer complete
>   usb-storage: Bulk status result = 0
>   usb-storage: Bulk Status S 0x53425355 T 0x80000009 R 0 Stat 0x0
>   usb-storage: -- Result from auto-sense is 0
>   usb-storage: -- code: 0x70, key: 0x6, ASC: 0x29, ASCQ: 0x0
>   usb-storage: Unit Attention: Power on, reset, or bus device reset occurred
>   usb-storage: scsi cmd done, result=0x2
>   usb-storage: *** thread sleeping.
>  
>  etc etc etc etc ............... as long as the harddisk is on, or
> connected.
>  
>  Thank you!

It looks like it's a problem with the drive.  Each time the system tries
to read the extended partition table, it says it was just reset.  That
reset flag (technically called Unit Attention) is supposed to be cleared
when the device sends its status to the computer, but apparently it isn't.

However, the fact that it works okay with Windows means that the problem 
is more complicated.  Without more information, though, I can't suggest 
anything to try.

Alan Stern




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