From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bdale Garbee Subject: Re: USB disconnect -> kernel panic Date: Tue, 03 Jan 2012 20:09:03 -0700 Message-ID: <87fwfwmaeo.fsf@gag.com> References: <87mxahk3d1.fsf@gag.com> <20120102182255.GC8562@xanatos> <20120103235847.GF21311@kroah.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Return-path: In-Reply-To: <20120103235847.GF21311-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Greg KH , Sarah Sharp , Oliver Neukum Cc: keithp-aN4HjG94KOLQT0dZR+AlfA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-serial@vger.kernel.org --=-=-= Content-Transfer-Encoding: quoted-printable On Tue, 3 Jan 2012 15:58:47 -0800, Greg KH 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! > > >=20 > > > 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 t= his > > > morning.=20 > > >=20 > > > 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. > > >=20 > > > Keith suggested I send you the attached photo of my screen showing the > > > panic info.=20 > >=20 > > 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. >=20 > 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. >=20 > 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 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTwPCzzqTYZbAldlBAQpbCQ/9FFtqskQIoBpp3q6TQsU6vAgcfw6Tybrz VwYa4jermef5JXUBXor+sucPWBmZCglWQA5HBwiR1IrvckSCReKsJg1USoFShZIv 3GRD13CG1eYD0Z6BxgQiEO+pXuS02tHR5WDqO7XmP95Y3LOym7JTme7ueT70vVDT 0pBTBdZjx3P2Q5R2TiJQA5/cjY6uctZCl3S2Di4971pWvyUzuoK2UQsi+BqIQopL w6s/bkwYvR1ahbhPWBxS6A3vpIKItCdIXbEaGW7F3U4/YdzA2I5xI0T27zFQlTZy hJIUiy9HeePysHGqwKNkpuVJ5+ng4Ly/AJViLyFCmaREizkenpRlDbJscmuk6TGG BaqEgNwTQX4I5pJVvpbHDZIjNthTAtd6/TqxLB0HyWUrSqEiW6nRGNw3O4bcN9NH CD2Ei2YkNZgfb09qA9YPjPGtVGxEVMstBlPQ4ya4OjoRAI4vwl6jmIuT9W8K3xgC +kcaR32UWQ3/Gd6wmEnfMgE4LiniSwbYHxPMgAX01OYwipFQImBSWX5D4c4i912K yvlQbG4+rwULveLKi/A6SJkUp7kLjkUD/sQYkkVpjZryFLS4jm/xK3ymj6mrGJ5H 23GvZTeFpIZDZ/wQANHFRv/rqI3mZJiEInOda2nbdPT9lGaX97119+X693a/0Nlo PES8lUQqLFc= =KspF -----END PGP SIGNATURE----- --=-=-=-- -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html