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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,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 766A5C6783C for ; Fri, 12 Oct 2018 12:35:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35BEF20644 for ; Fri, 12 Oct 2018 12:35:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 35BEF20644 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728531AbeJLUHb (ORCPT ); Fri, 12 Oct 2018 16:07:31 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58776 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728131AbeJLUHb (ORCPT ); Fri, 12 Oct 2018 16:07:31 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 9CF2480A55; Fri, 12 Oct 2018 14:35:12 +0200 (CEST) Date: Fri, 12 Oct 2018 14:35:12 +0200 From: Pavel Machek To: Ingo Molnar Cc: Thomas Gleixner , sfr@canb.auug.org.au, kernel list , mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org Subject: Re: -next20181010,1011 regression: thinkpad x60 (32 bit) dies during boot. Message-ID: <20181012123512.GA5565@amd> References: <20181010195920.GA13860@amd> <20181010200331.GA13975@amd> <20181011180328.GA6740@amd> <20181012102459.GA4469@amd> <20181012105254.GA114888@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tKW2IUtsqtDRztdT" Content-Disposition: inline In-Reply-To: <20181012105254.GA114888@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --tKW2IUtsqtDRztdT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > > > Problem is still there in today's next. > > >=20 > > > So what came in between -next20181005 and the first bad one? kernel/s= ched/* > > > being the first place to look at. > >=20 > > kernel/sched does not seem to contain anything too scary. > >=20 > > I know that -next20181005 works ok, and I know -next20181010 is > > bad. Is there easy way to bisect using that information? I can do > > bisect between -next and mainline, but that's a lot of patches and > > thus not much fun :-(. > >=20 > > In the meantime, I reproduced the failure with T40p. Is there someone > > with working x86-32 in -next? >=20 > Does latest -tip fail too? If yes then I suspect bisection would be neede= d. I already started bisect on -next (T40p is my test machine, so bisect is not that bad). The log so far is: Pavel # bad: [771b65e89c8a51d611b8049718693a4202e4f732] Add linux-next specific f= iles for 20181011 # good: [7876320f88802b22d4e2daf7eb027dd14175a0f8] Linux 4.19-rc4 git bisect start '771b65e89c8a51d611b8049718693a4202e4f732' '7876320f88802b= 22d4e2daf7eb027dd14175a0f8' # good: [43faff25da004eabce691268da34065b3690f5ca] Merge remote-tracking br= anch 'net-next/master' git bisect good 43faff25da004eabce691268da34065b3690f5ca # good: [3e2beb7db82a880319aa2f0dcafa820f3f5206d3] Merge remote-tracking br= anch 'spi/for-next' git bisect good 3e2beb7db82a880319aa2f0dcafa820f3f5206d3 # bad: [74411e5fd30ae540491c4d6142af6ee6b2b22f09] Merge remote-tracking bra= nch 'char-misc/char-misc-next' git bisect bad 74411e5fd30ae540491c4d6142af6ee6b2b22f09 # bad: [c810d907775aa2aa753e836a122613fd2416b14d] Merge remote-tracking bra= nch 'kvm/linux-next' git bisect bad c810d907775aa2aa753e836a122613fd2416b14d # good: [fac07d2ba7b2764e3002ff9bc7861742a84a2ef6] Merge branch 'perf/core' git bisect good fac07d2ba7b2764e3002ff9bc7861742a84a2ef6 # bad: [d74865bd3996c7a6f3e8ce6e626c1fe474e39494] Merge branch 'x86/mm' git bisect bad d74865bd3996c7a6f3e8ce6e626c1fe474e39494 # good: [dcd2d0cece1608b2be9184786c900807ec947076] Merge branch 'x86/asm' git bisect good dcd2d0cece1608b2be9184786c900807ec947076 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --tKW2IUtsqtDRztdT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlvAlQAACgkQMOfwapXb+vI5TwCgxLNHJzccyZBJsrW4UByfgsCB 7d0An0OTtR9pVNdAVRiAl06WrecE6J8D =R5nQ -----END PGP SIGNATURE----- --tKW2IUtsqtDRztdT--