On Feb 7, 2008 7:27 PM, Alan Stern <[EMAIL PROTECTED]> wrote: > On Thu, 7 Feb 2008, Francis Moreau wrote: > > > Just to be sure I'm understanding you: > > > > This is a bulk-in transfer which is going to fail: > > > > usb-storage: Bulk Command S 0x43425355 T 0x6 L 192 F 128 Trg 0 LUN 0 CL 6 > > No; it is the bulk-OUT transfer before the failing bulk-IN transfer. > > > This is a bulk-out transfer which suceed before the previous on failed: > > > > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > > Yes. This is the _same_ transfer as the one above. > > > This is the next bulk-out transfer since the previous one succeed: > > > > usb-storage: usb_stor_bulk_transfer_sglist: xfer 192 bytes, 1 entries > > This is the next transfer; it is bulk-IN, not bulk-OUT. > > Look, here is the short summary: > > bulk-OUT transfer (host sends 31 bytes), succeeds. > > bulk-IN transfer (host expects to receive 192 bytes, > gadget driver wants to send only 20 bytes), > should succeed but instead it STALLS. > > bulk-IN transfer (host expects to receive 13 bytes, > gadget driver wants to stall), > should STALL but instead it gets a Babble error > because the device sent 20 bytes instead of 13. > > You see the problem?
Yes I think I understand. I was really confused by the traces. Thanks for your help. -- Francis - To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
