Alan Stern <[EMAIL PROTECTED]> writes:

> It would help to know what gphoto2 is doing.  There should be more 
> debugging in the usbfs driver, without it we're sort of in the dark.  
> However, you can try using strace on the gphoto2 program; that will give 
> us some idea of what's going on.

gphoto2 is in this state at the point of hanging:

    $ ps -C gphoto2 -o comm,s,wchan
    COMMAND          S WCHAN
    gphoto2          D usb_disable_device

Further gphoto2 instances also enter D but with WCHAN of 'down'.

I'll do some stracing and get back to you with the results.



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