On Tue, 3 Jan 2012 15:58:47 -0800, Greg KH <greg@xxxxxxxxx> wrote: > 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.) For what it's worth, it happened to me again today running 3.2.0-rc7. I didn't bother photographing the screen again, though I'm happy to do that if it'll help. Bdale
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