Re: USB gadgets with configfs hang reboot

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* Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> [160426 09:46]:
> 
> 
> On 26.04.2016 18:03, Alan Stern wrote:
> >On Tue, 26 Apr 2016, Felipe Balbi wrote:
> >
> >>>Is there a reason why a process (pnatd in this particular case) doesn't
> >>>get killed on reboot?
> >>
> >>there might be, and that's probably the bug we're trying to figure
> >>out. But so far, no idea.
> >
> >One possible reason is that the process is in an uninterruptible wait
> >inside the kernel, waiting for something that isn't going to happen.
> 
> The process waits in poll(&fds, 1u, -1), where fds contains only the fd of
> /dev/ttyGS2. Nothing suspicious I can see here.

I think the easy way to reproduce this is to start getty or minicom
on /dev/ttyG* and disconnect the USB cable.

Regards,

Tony
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