Re: USB kernel / udev issue with Palm Treo 700p

On Sat, 3 Feb 2007, Dirk Eddelbuettel wrote:

> I think you may be right. The behaviour was not that different between the
> twp variants of 2.6.18 I tried, one with and one without CONFIG_USB_SUSPEND
> and CONFIG_USB_DEBUG. 
> 
> In either case, it works if you do the following exactly as described:
> 
> 1)  Prepare the statement to be executed, in my case 
> 	pilot-xter -p /dev/ttyUSB1 -l
>     but do not yet press Enter
> 
> 2)  On the Palm Treo 700p, launch the HotSync and press the hotsync icon.
>     Wait until the 'Connecting with the desktop using Cradle/Cable' appears
> 
> 3)  Maybe a half-second or second after the text appears, hit Enter in the 
>     shell prepared in 1). You will greeted with 'Connected' from pilot-xfer.
> 
> The last step also works if you hit enter a little too soon leading to 'no
> device found' type error. Quick command-recall in bash and re-running the
> command helped.
> 
> Each log hence shows the first failed attempt, the successful attempt as well
> as a last (failed) attempt when pilot-xfer tries to access the PDA that is
> not expecting a connection.
> 
> I hope all this helps. I purged ohci-hcd as suggested, flushed dmesg,
> and reloaded the module and sent you the logs in a separate email.

As near as I can tell, this shows that the kernel behaves the same way 
regardless of CONFIG_USB_SUSPEND, and all the problems seem to be caused 
either by the Treo itself or by the pilot-xfer program.

Do you agree?  While there may indeed be issues remaining to be fixed, 
none of them are directly connected with the kernel.

Alan Stern


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