Hi Alan,
sorry for being a bit late.
On Monday 18 May 2015 14:58:49 you wrote:
> On Mon, 11 May 2015, Alan Stern wrote:
> > > As suggested, checking the eds_in_use list was a good idea. Now, I'm
> > > even more convinced duplicates are being added to the eds_in_use list.
> >
> > Your tests gave me a clue as to where the problem might be. It looks
> > like finish_unlinks() changes ed->state to ED_IDLE too soon. The state
> > should remain set to ED_UNLINK while finish_urb() is called.
> >
> > See if the patch below eliminates your problem.
>
> Any results on this?
The patch indeed seems to remove the problem (or at least makes it less
occurring). I haven't hit the deadlock/corruption since a day after you posted
it. I'll keep an eye on the issue and rebuild the kernel without debugging
configuration, to rule out any interference.
>
> Alan Stern
Thanks for looking into it.
Kind regards,
Heiko
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