From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bdale Garbee Subject: Re: USB disconnect -> kernel panic Date: Wed, 04 Jan 2012 22:36:48 -0700 Message-ID: <87mxa2ww0f.fsf@gag.com> References: <87mxahk3d1.fsf@gag.com> <20120102182255.GC8562@xanatos> <20120103235847.GF21311@kroah.com> <87fwfwmaeo.fsf@gag.com> <20120104230149.GA16655@kroah.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Return-path: Received: from winfree.gag.com ([192.133.104.8]:38027 "EHLO winfree.gag.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750913Ab2AEFhN (ORCPT ); Thu, 5 Jan 2012 00:37:13 -0500 In-Reply-To: <20120104230149.GA16655@kroah.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Greg KH Cc: Sarah Sharp , Oliver Neukum , keithp@keithp.com, linux-usb@vger.kernel.org, linux-serial@vger.kernel.org --=-=-= On Wed, 4 Jan 2012 15:01:49 -0800, Greg KH wrote: > Ok, can you try the patch below and let me know if it solves the problem > or not? It's hard to prove a negative, but after applying the patch to 3.2.0-rc7 and running with it for a while doing frequent power cycles on our devices attached via USB, abruptly disconnecting USB during active serial connections, etc .. I haven't seen the panic again. Will report if it happens again with the patch in place, but so far so good. Bdale --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTwU28DqTYZbAldlBAQqGDhAAxlwlTVTAb03iWckBvieCiCue/zZmjHRz zeE783qg/Wx9741yEyW9pIed7Q3tPoSqD9SImXDhiblXX2wt03hyIPkG9/x90pcx 3z4I6yaxZMs8MYDFcYUK1mwFrKMmcPflF1nC0gmnq5L6nEl5KLAPf71DAFrZJEaZ rRx8JuhTSqzuDW8io0Vpz1LHBD1PNuUxiySFI8XP1h8oM0CG0EgoVwLT3oUY6NQB 30rxA3bdnkXVtR/fqmqoC0zo3E/1PlJH252MsUbW3OajRKlBmA7SUEx2FkO/Qmgn 5FwTnMkdhXAqwTvOVjddQYssCDHqZA63bGm21FIH4DDlwcVS83efhU20/tCQHUT5 13lcNeDaIQOQf5OaEwP7EkmmhtyUVfb7zhTaA/ruNRpTQzhhU3rtFzQdEY0g8o7Z M7ig+PvWXTAzhJP9WBppnS2HwEbxk4wWlSnsESZaEA4bqd9jv14A/8pGqKBjT/K5 i6NewWk7VcH3R6S/lvKv9HMSu3YsABQkh3OFhh42RUFwkb0lJnfZ9l/NOL6GUd1z gSSF7EsQlIF9E/nrj/66IPxItSInEFWAZd8bKKswhVPZVQgENqklurmgI7JkzIZS 647Bl3SrcgNwgfzL+utyWEvuwj0yx/xwFFOpg34suaOvMCaWa7UptYVsQcM9jpMP gYlw04Re5Qk= =iDsx -----END PGP SIGNATURE----- --=-=-=--