On Thu, 3 Mar 2005, Gerd v. Egidy wrote:

> I experienced regular usb resets and a disconnect after 
> some time, just as without the patch.
> 
> But the disconnect looked different than without the patch
>  - without the device automatically reconnects with a 
> different id but it stayed disconnected this time. I don't 
> know if that is related to the patch or just luck - but I
> have never seen a disconnect like this before.
> 
> usb-storage: *** thread awakened.
> usb-storage: Command READ_10 (10 bytes)
> usb-storage:  28 00 05 b5 79 1f 00 01 00 00
> usb-storage: Bulk Command S 0x43425355 T 0xac0ed L 131072 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 131072 bytes, 32 entries
> usb-storage: Status code -121; transferred 130061/131072
> usb-storage: -- short read transfer
> usb-storage: Bulk data transfer result 0x1
> usb-storage: Attempting to get CSW...
> usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes
> hub 1-0:1.0: state 5 ports 4 chg 0000 evt 0010
> ehci_hcd 0000:00:08.2: GetStatus port 4 status 00180b POWER sig=j  PEC CSC 
> CONNECT
> hub 1-0:1.0: port 4, status 0501, change 0003, 480 Mb/s
> usb 1-4: USB disconnect, address 2
> usb 1-4.1: USB disconnect, address 3
> usb 1-4.1: usb_disable_device nuking all URBs
> ehci_hcd 0000:00:08.2: shutdown urb c3ebdf78 pipe c0040380 ep8in-bulk
> usb-storage: command_abort called
> usb-storage: usb_stor_stop_transport called
> usb-storage: -- cancelling URB

Although I can't tell for sure from this log excerpt, it looks like you
had the drive connected through an external hub and the hub got unplugged
for a moment.  Maybe its cable was jiggled.  No wonder this appears
different from the times when the drive was disconnected.

Alan Stern



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