From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753491AbdGCLdG (ORCPT ); Mon, 3 Jul 2017 07:33:06 -0400 Received: from smtp2.it.da.ut.ee ([193.40.5.67]:33994 "EHLO smtp2.it.da.ut.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753364AbdGCLdC (ORCPT ); Mon, 3 Jul 2017 07:33:02 -0400 Date: Mon, 3 Jul 2017 14:32:57 +0300 (EEST) From: Meelis Roos To: Thomas Gleixner cc: Borislav Petkov , Linux Kernel list , x86@kernel.org Subject: Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 In-Reply-To: Message-ID: References: <20170626105348.ozsfb3u24va3mnfz@pd.tnic> <20170627222626.opk2qkfj4wcue6bf@pd.tnic> User-Agent: Alpine 2.20 (LRH 67 2015-01-07) 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 > On Wed, 28 Jun 2017, Meelis Roos wrote: > > > On Tue, Jun 27, 2017 at 06:49:14PM +0300, Meelis Roos wrote: > > > > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has > > > > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 > > > > > > was the first kernel after 4.11 that I tried and the problem happened > > > > > > while compiling next kernel from git. > > > > > > > > > > I can't reproduce this in a guest. Can you send .config please? > > > > > > > > Here it is. > > > > > > Thanks. > > > > > > So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I > > > either can't reproduce in the guest or I need to try linux-next. Well, > > > tomorrow... > > > > I verified that when running 4.11.0, make clean && make -j2 finishes > > successfully. > > > > Will start bisecting. > > Any update on this? Still bisecting. There are actually 3 failure modes: 1. these messages 2. just reboot 3. hang with task hung timeout ot startup or shutdown (during reboot) - 3 of these so far. I have tried bisecting 1 and 2 together. So far I have this: git bisect start # bad: [a090bd4ff8387c409732a8e059fbf264ea0bdd56] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net git bisect bad a090bd4ff8387c409732a8e059fbf264ea0bdd56 # good: [a351e9b9fc24e982ec2f0e76379a49826036da12] Linux 4.11 git bisect good a351e9b9fc24e982ec2f0e76379a49826036da12 # good: [4c174688ee92805aa5df6e06e5b625a3286e415c] Merge tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace git bisect good 4c174688ee92805aa5df6e06e5b625a3286e415c # good: [36c344f3f1ffc0b1b20abd237b7401dc6687ee8f] Merge tag 'kvm-arm-for-v4.12-round2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD git bisect good 36c344f3f1ffc0b1b20abd237b7401dc6687ee8f # good: [ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus git bisect good ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36 # bad: [cdbe0206783b4e86abb0150303f137e448b5e531] Merge tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux git bisect bad cdbe0206783b4e86abb0150303f137e448b5e531 # bad: [16d95c43965d287987505bbd875e59e5b3c9b131] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace git bisect bad 16d95c43965d287987505bbd875e59e5b3c9b131 # good: [a34ab101a9d27a2995142b47f9857fb46fcb072a] Merge tag 'drm-fixes-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux git bisect good a34ab101a9d27a2995142b47f9857fb46fcb072a # bad: [cd636458904a04de2349c728323c5d2af1203bdf] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input git bisect bad cd636458904a04de2349c728323c5d2af1203bdf # skip: [6b402bdfdbafce241cb6789ae38d94f45641078c] Merge tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply git bisect skip 6b402bdfdbafce241cb6789ae38d94f45641078c # good: [c67c06939ee4a24fcad1235dd9632153533fdd4d] power: supply: max17042_battery: Use sign_extend32 instead of DIY code git bisect good c67c06939ee4a24fcad1235dd9632153533fdd4d # good: [917362135b8a5c0680acf08807e9fc6179eb6c79] power: supply: max17042_battery: Add default platform_data fallback data git bisect good 917362135b8a5c0680acf08807e9fc6179eb6c79 # good: [2be83da85a64773efaa407639de81bd1377f880e] thermal: devfreq_cooling: add new interface for direct power read git bisect good 2be83da85a64773efaa407639de81bd1377f880e # good: [a6128f47f7940d8388ca7c8623fbe24e52f8fae6] Merge branches 'thermal-core' and 'thermal-intel' into next git bisect good a6128f47f7940d8388ca7c8623fbe24e52f8fae6 # bad: [deac8429d62ca19c1571853e2a18f60e760ee04c] Merge tag 'sound-fix-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound git bisect bad deac8429d62ca19c1571853e2a18f60e760ee04c Additionally, 6a776e47a045 seems to be bad (just had failure during complation). Some something between a6128f47f7940d8388ca7c8623fbe24e52f8fae6 and 6a776e47a045 it seems. -- Meelis Roos (mroos@linux.ee)