From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751917AbeA0EtC convert rfc822-to-8bit (ORCPT ); Fri, 26 Jan 2018 23:49:02 -0500 Received: from mout.gmx.net ([212.227.15.18]:55852 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751660AbeA0EtB (ORCPT ); Fri, 26 Jan 2018 23:49:01 -0500 Message-ID: <1517028522.10239.66.camel@gmx.de> Subject: Re: crash binary for latest unreleased kernel From: Mike Galbraith To: Randy Dunlap , Joe Smith , linux-kernel@vger.kernel.org Date: Sat, 27 Jan 2018 05:48:42 +0100 In-Reply-To: References: <1517027565.10239.61.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.20.5 Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT X-Provags-ID: V03:K0:T6Opl8HnKupJpZ5O6hc/kpXVWIgSxTaOYWt2Yj1ijpHz6tooXdL hnumsIU3P/hjglx/oa9oA9HcsfIUPcy1bvpmKitCxi/asR1VYWFZ+L6DFfRJyUUTknNcne/ WWehiiA3V9oQqOhtMnrkhmhrbxU1Hja/mx2oJqnvy4DgblhU5GLYahZu1iFgGVprIICkNOM wfiCqmOdE84UKM7Bwkjlg== X-UI-Out-Filterresults: notjunk:1;V01:K0:ohD0YuQ80lg=:tcyNK/tHcVowPVqf5rWoeB TTHqxc2auk7DoRGWg7nRdWBBRl7RX5C266zb6IkoP0xfpqYQslFDCwwu0EJ9MBUrsm037UHZY pf7IHRlwSQmYyP8sL435Pai1ZTuDa59sLVDpeJ2P2rjewV668kNnsJXbPTc+L3nzMQ2XkWi9N BNwCdLeBPqbkOU//rTwlDbwcoFrjar9JqM4k3ZvEBuRSo2DHZL7fyX1HVTMqIq0ZpYL8DG7MW DX5swPO67fAIizmArVso+rsW249bqXu0MmVMQ+IpE34HDv04MePnaAgVDyd+CskRJjwtlsGnZ 0c8YcFVairPjAUw+FIdDFMAJ5k6fT8QZVgW2spXER6Bd2EkF9PYx7HwvHdXnAgkUmC5A9lGLd iS1Vltl6EOrH00EnHZvH/5MAowRbO6Xmv11ZBcC6jS+TT2KEwQlfBche9soOtJ7R7aYUixqvM TN+hv4runOfNCVlNowKOU26rhZUDPcY1TGqzb0GcAfNlOIwYlVIwWhtQy6LVuEdpuo817JxKD /pXnzPBnjTSm/S6uXrxX7TMhCyW7LDrKYxAkGJ8lZVoRN6dp+55/vzK7gUkoImVljmz3oE5/y WLN22bNPdCjvPW89JUa4o6OWLICaSQsWtvjYZbAnEs1flG6tAFUP3YwgNzQgYYuAI6xIjhLE8 RIDyJbld5/XYwiE2eMR24DxBEBxtpN3GxPmRjt/tOokuHZrSMl+FFaBMz2RFCQw3MFKMqvwy3 pSVXA2EJkEWHBqOTG0dnO+upYSz/gkH1ZCRdsMXmHUFu6i8S5RskDhf/GdnlY7SfxKvH26vGk 7eF+C06h+6DKizgy6aXa5UmsQ8jtYJ2kRE1f/UGy5rY3WiCFoY= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-01-26 at 20:38 -0800, Randy Dunlap wrote: > On 01/26/2018 08:32 PM, Mike Galbraith wrote: > > On Fri, 2018-01-26 at 12:52 -0800, Joe Smith wrote: > >> Hi, > >> > >> I am doing development on the latest unreleased kernel on a system > >> running ubuntu 16.04. I can not get crash dump to be saved or use > >> crash on the live system. I have tried compiling crash on the system. > >> > >> What is the trick to do development on the latest kernel using a > >> system installed with old release. > > > > You have to either be motivated enough to fix crash and friends up as > > they get busted, or lazy enough to wait for maintainers to do so for > > you.  I've done a bit of both, but the later is my favorite :) > > :) > > Is it mostly structure updates or is it partly randomized layout of > structs? or something totally different? The stuff I've fixed up has been trivial renames and whatnot, operative word being trivial, easy to find based on gripage.  If I don't find it quickly, I usually decide to not need it _that_ badly, go with plan B. -Mike