From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758341Ab2AEWD3 (ORCPT ); Thu, 5 Jan 2012 17:03:29 -0500 Received: from cantor2.suse.de ([195.135.220.15]:36368 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751101Ab2AEWD2 (ORCPT ); Thu, 5 Jan 2012 17:03:28 -0500 Date: Fri, 6 Jan 2012 09:03:14 +1100 From: NeilBrown To: Stefan Bader Cc: John Stultz , Konrad Rzeszutek Wilk , Sander Eikelenboom , rjw@sisk.pl, Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: Regression: ONE CPU fails bootup at Re: [3.2.0-RC7] BUG: unable to handle kernel NULL pointer dereference at 0000000000000598 1.478005] IP: [] queue_work_on+0x4/0x30 Message-ID: <20120106090314.2780d53a@notabene.brown> In-Reply-To: <4F046C42.30903@canonical.com> References: <1599287628.20120103171351@eikelenboom.it> <20120103190754.GA27651@phenom.dumpdata.com> <1325632188.3037.59.camel@work-vm> <20120104113155.27bf6e46@notabene.brown> <1325638380.3037.69.camel@work-vm> <20120104122040.5a0fa6a3@notabene.brown> <4F046C42.30903@canonical.com> X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.7; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id q05M3dlV022375 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Wed, 04 Jan 2012 16:12:02 +0100 Stefan Bader wrote: > Neil, this variation would also keep the kernel from crashing in my test > environment. What do you think of that? Hi Stefan, That patch moves the call out of common code into device-specific code. As my device doesn't have a 'cmos' rtc it wouldn't run at all for me. I think we need to get __rtc_read_alarm() to return an error if the alarm time is before the clock time. Thanks, NeilBrown -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBTwYeIjnsnt1WYoG5AQKZpw/9GAU05e5BPzZRF8ShqzEJyUUmYnHHQF7A pZ2S1v7ihnWaEdK6bSdVfzwJpmdQOzNlJMjlLgh3BSZJRdHJtWKgPsZB46lyekYU 3j2KoBtXuzC5jY1HVLi8SMtwpPNJ3s4IcFTa2a5qhqfYCugzv7vWbxA/JTKpJtnB 2jYoBQyJ3W/dM4It2CXx/vouFUka/VtZ9AaMxCo+2c5LZaBXwgaodP9p6WQjyUTj WASbNcIlUMEuI+fIYMh1SztWoBh4S0x8e7v1wIQluwCtb2zSEz9iIaf+oM1n/9jM adMsrBhC6E+WZinijw/qTBWhLSR0uwfh16DLloqPh1BRq8PqLjXMt/zoAWgBh1uP AKAZTYBzU4k8H0ies1F8Pc2LaX8b5py3I12Yk9u24F2G+RsF2GPJ3zUlnoD/YNaS iBvoVbLlJLJ7l5OyoO1w6NnkWYzocXkV4K5NMdjABsbZATWuYZHMwgv+AAS2zXME pffr6iyI4jI2TPFBRYIsbxIR0YjjqCVlwAGktVXAcYqppAO9itfwDtMKPTpmpvcd rINnMbA4YGDEKo7htPAT5NiXZmGOIRvfAY2yd1dQdFlUhzGEA8uvYV8c1QScWqor Gk0GThP5MSLJclg0kuWeRsVjeMKmKfzV+lcnw3Wx9s55RULff0HXM51Eyl4L+xtd H8hLwRsN96I= =UCTt -----END PGP SIGNATURE----- {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I