From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38FEDC282C0 for ; Fri, 25 Jan 2019 08:19:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0759F21A4C for ; Fri, 25 Jan 2019 08:19:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548404370; bh=jOWDWPkMATJ24cGjzeElRqh7q+TN7loeAHTcumrgJvY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=0MFH9YLYVJMFtd0iCNDcZU13B+iDyYDx+lVR8BQvWLURUDNg6zizOAEbY4rXUI5w9 SlCuafNd8I5gtVW8B33TDNgmCUUYuC/hcz5nOOg/WpJFmEVrAsWh+QZnhT0N/+/FXT kv0PlrUwSd5TsoclGOMACES0IkjVoshqjNWjTA1I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728848AbfAYIT2 (ORCPT ); Fri, 25 Jan 2019 03:19:28 -0500 Received: from mx2.suse.de ([195.135.220.15]:48188 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726607AbfAYIT1 (ORCPT ); Fri, 25 Jan 2019 03:19:27 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3101DAFF0; Fri, 25 Jan 2019 08:19:26 +0000 (UTC) Date: Fri, 25 Jan 2019 09:19:24 +0100 From: Michal Hocko To: Linus Torvalds Cc: robert shteynfeld , Mikhail Zaslonko , Linux List Kernel Mailing , Gerald Schaefer , Mikhail Gavrilov , Dave Hansen , Alexander Duyck , Andrew Morton , Pavel Tatashin , Steven Sistare , Daniel Jordan , Bob Picco Subject: Re: kernel panic due to https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2830bf6f05fb3e05bc4743274b806c821807a684 Message-ID: <20190125081924.GF3560@dhcp22.suse.cz> References: <20190125073704.GC3560@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190125073704.GC3560@dhcp22.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 25-01-19 08:37:04, Michal Hocko wrote: > On Fri 25-01-19 17:48:32, Linus Torvalds wrote: > > [ Just adding a lot of other people to the cc ] > > > > Robert, could you add a dmesg of a successful boot to that bugzilla, > > or just as an attachement in email to this group of people.. > > > > This looks to be with the Fedora kernel config. Two people reporting > > it, it looks like similar machines. > > > > I assume it's some odd memory sizing detail that happens to trigger a > > particular case. > > Quite possible. Forgot to ask. Can we get a dmesg with 2830bf6f05fb ("mm, memory_hotplug: initialize struct pages for the full memory section") reverted and memblock=debug kernel command line parameter? -- Michal Hocko SUSE Labs