Re: USB disconnect -> kernel panic

[Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>]

Am Mittwoch, 4. Januar 2012, 00:58:47 schrieb Greg KH:
> On Mon, Jan 02, 2012 at 10:22:55AM -0800, Sarah Sharp wrote:
> > On Sat, Dec 24, 2011 at 03:32:26PM -0700, Bdale Garbee wrote:
> > > Hi Sarah!  Merry Christmas!
> > > 
> > > I've been working on another production run of Altus Metrum products
> > > today, and in the process of flashing and calibrating a pile of our
> > > TeleDongle units, I've been seeing sporadic kernel panics when
> > > unplugging them from my notebook USB.  Has now happened three times this
> > > morning. 
> > > 
> > > I'm running 3.1.6 now, but I saw this under 3.1.5 too, at least once.
> > > The notebook is an HP 2540p.
> > > 
> > > Keith suggested I send you the attached photo of my screen showing the
> > > panic info. 
> > 
> > It's somewhere in the tty layer, and doesn't look USB related.  I think
> > Greg KH is the tty maintainer right now, so you might want to ask him.
> 
> We've had some cdc_acm driver problems in the past, but I thought they
> were all resolved.  3.1.3 should have fixed those problems.  We have
> some more cleanups queued up for 3.3, but nothing that should be fixing
> something like this.
> 
> Oliver, any thoughts about this (see the original post on linux-usb for
> the crash dump.)

Do you have a pointer? I assumed this to be this issue:
http://www.spinics.net/lists/linux-usb/msg55779.html
And I am waiting for the announced patch.

	Regards
		Oliver
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