linux-kernel - Re: crash by cdc_acm driver in kernels 4.8-rc1/5

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Message-ID: <20161123005457.GB17115@djo.tudelft.nl>
Date:   Wed, 23 Nov 2016 01:54:57 +0100
From:   Wim Osterholt <wim@....tudelft.nl>
To:     Bjørn Mork <bjorn@...k.no>
Cc:     Oliver Neukum <oneukum@...e.com>,
        poma <pomidorabelisima@...il.com>, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, Wim Osterholt <wim@....tudelft.nl>
Subject: Re: crash by cdc_acm driver in kernels 4.8-rc1/5

On Tue, Nov 22, 2016 at 07:08:30PM +0100, Bjørn Mork wrote:
> > On kernel 4.8.8  this crashes hard and produces over a serial link:
> 
> Huh?  That device shouldn't ever enter that code path AFAICS.
> Unless.... you wouldn't happen to add a dynamic entry for this device,

No idea of what you mean here.

> would you?  What's the output of
> 
>  cat /sys/bus/usb/drivers/cdc_acm/new_id

Just empty.

Wim.