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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5701C433F5 for ; Thu, 28 Apr 2022 17:20:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244399AbiD1RYG (ORCPT ); Thu, 28 Apr 2022 13:24:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243792AbiD1RX7 (ORCPT ); Thu, 28 Apr 2022 13:23:59 -0400 Received: from mail-oi1-x22e.google.com (mail-oi1-x22e.google.com [IPv6:2607:f8b0:4864:20::22e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85C5D56C38 for ; Thu, 28 Apr 2022 10:20:43 -0700 (PDT) Received: by mail-oi1-x22e.google.com with SMTP id z8so6049042oix.3 for ; Thu, 28 Apr 2022 10:20:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=Roq2TCNlJolW+UNGrAsJqI9FsrN5b4UJAlTVqbM92fs=; b=PFo432YB6aB7og9Pl+768H0A9ltaAWWrfDSkWWaDjyVEmziI63ElFUQA2fRMj6l7ca BuKmd4xxMv0EzvOKhz2vM5qKY41bX9wADrMLECFXaK3CS7lhrdAnXYWLnRVniYUQMmSp x2uCAfsw/pRUHmUNxFoVDvANp9bi4IJZHfy+too5yy7TmQHmWqUiOJ4VWz/DjkF8KZza BOrAohEZLNhjvA4e3oeMrM4/Gs5yy2gz5DCixCeRCN7CX2OYrSG1ALq5xP9kx63s/bon FMSCiBzAfVXKRJWkVe4hTF4WVMtfO96DEEkvJfb2ZrL+Ta1OjzWGWY+KQh/ZTS5nV5Tt PVqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mime-version:content-disposition; bh=Roq2TCNlJolW+UNGrAsJqI9FsrN5b4UJAlTVqbM92fs=; b=zwQFQaLtYb1+S6aq6cwmFw8EPqTFPAl3jr0xRCz54Uc8BTGoDVSTq9gtnsxw5t1xsD t1jm9KMqdga9+FFXQip1aM03GED2E+XEFWpeYwsqLDNMoVQq1vqi2U4PcxD4CkEYqU7e 79jxOdxUYD53IQ4pqCMLTtoXoIpfE3dvTH4YV/7y6CPId+EdfI8FAqq2d92F9GWcBkNo oiCyB3Sz03D7UujlJSjh++6YXQo1iL8mJeYaCL5m9ugDG19MKpShjr75ji+DrKhaQZH8 3zz22jcxjp1T3eTFw+bK3bdl9DPpGHnYQXJ6mVLpzNG1+UIK+3NeLaKyca0I2j7mUG+x 1sCw== X-Gm-Message-State: AOAM533f0GjeBFKRKvIPg6cFWnyeWLqip8fdBh7Vsis+isyiv8nSztxV pJJ5/N5aV3mmd/4NBRXGqwsiAdlszIw= X-Google-Smtp-Source: ABdhPJxPmVkGJKeOhYQ1A3We1mDVJUUXz7Ce+75s2hBRU8b1P+KEVABho3wAZYykpnnyL4cgJFnuZQ== X-Received: by 2002:a05:6808:159d:b0:325:7b4d:e28f with SMTP id t29-20020a056808159d00b003257b4de28fmr4403448oiw.223.1651166442913; Thu, 28 Apr 2022 10:20:42 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id dw40-20020a056870772800b000e686d1387csm2071296oab.22.2022.04.28.10.20.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Apr 2022 10:20:41 -0700 (PDT) Sender: Guenter Roeck Date: Thu, 28 Apr 2022 10:20:40 -0700 From: Guenter Roeck To: Andrew Morton Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Liam R. Howlett" Subject: Re: [PATCH] mapletree-vs-khugepaged Message-ID: <20220428172040.GA3623323@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 27, 2022 at 03:10:45PM -0700, Andrew Morton wrote: > Fix mapletree for patch series "Make khugepaged collapse readonly FS THP > more consistent", v3. > > Cc: Liam R. Howlett > Signed-off-by: Andrew Morton This patch causes all my sparc64 boot tests to fail. Bisect and crash logs attached. Guenter --- [ 12.624703] Unable to handle kernel paging request at virtual address 0e00000000000000 [ 12.624793] tsk->{mm,active_mm}->context = 0000000000000005 [ 12.624823] tsk->{mm,active_mm}->pgd = fffff800048b8000 [ 12.624849] \|/ ____ \|/ [ 12.624849] "@'/ .. \`@" [ 12.624849] /_| \__/ |_\ [ 12.624849] \__U_/ [ 12.624874] init(1): Oops [#1] [ 12.625194] CPU: 0 PID: 1 Comm: init Not tainted 5.18.0-rc4-next-20220428 #1 [ 12.625421] TSTATE: 0000009911001606 TPC: 00000000005e6330 TNPC: 00000000005e6334 Y: 00000000 Not tainted [ 12.625455] TPC: [ 12.625503] g0: 0000000000619a00 g1: 0000000000000000 g2: fffff8000488b200 g3: 0000000000000000 [ 12.625537] g4: fffff8000414a9a0 g5: fffff8001dd3e000 g6: fffff8000414c000 g7: 0000000000000000 [ 12.625569] o0: 0000000000000000 o1: 0000000000000000 o2: 0000000001167b68 o3: 0000000000f51bb8 [ 12.625601] o4: fffff80100301fff o5: fffff8000414fc20 sp: fffff8000414f341 ret_pc: 00000000005e6310 [ 12.625630] RPC: [ 12.625692] l0: fffff8000488b260 l1: 000000000000008b l2: fffff80100302000 l3: 0000000000000000 [ 12.625725] l4: fffff80100301fff l5: 0000000000000000 l6: 30812c2a1dd8556f l7: fffff8000414b438 [ 12.625762] i0: fffff800044f58a0 i1: fffff801001ec000 i2: 0e00000000000000 i3: 0000000000000075 [ 12.625795] i4: 0000000000000000 i5: fffff8000414fde0 i6: fffff8000414f461 i7: 00000000005e6c58 [ 12.625833] I7: [ 12.625906] Call Trace: [ 12.626006] [<00000000005e6c58>] do_mmap+0x378/0x500 [ 12.626092] [<00000000005bdc98>] vm_mmap_pgoff+0x78/0x100 [ 12.626112] [<00000000005e3d24>] ksys_mmap_pgoff+0x164/0x1c0 [ 12.626129] [<0000000000406294>] linux_sparc_syscall+0x34/0x44 [ 12.626198] Disabling lock debugging due to kernel taint [ 12.626286] Caller[00000000005e6c58]: do_mmap+0x378/0x500 [ 12.626335] Caller[00000000005bdc98]: vm_mmap_pgoff+0x78/0x100 [ 12.626354] Caller[00000000005e3d24]: ksys_mmap_pgoff+0x164/0x1c0 [ 12.626371] Caller[0000000000406294]: linux_sparc_syscall+0x34/0x44 [ 12.626390] Caller[fffff8010001d88c]: 0xfffff8010001d88c [ 12.626537] Instruction DUMP: [ 12.626567] a6100008 [ 12.626678] 02c68006 [ 12.626685] 01000000 [ 12.626690] [ 12.626696] 80a04012 [ 12.626701] 22600077 [ 12.626707] c25ea088 [ 12.626712] 22c4c00a [ 12.626717] f277a7c7 [ 12.626728] [ 12.627169] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 --- # bad: [bdc61aad77faf67187525028f1f355eff3849f22] Add linux-next specific files for 20220428 # good: [af2d861d4cd2a4da5137f795ee3509e6f944a25b] Linux 5.18-rc4 git bisect start 'HEAD' 'v5.18-rc4' # good: [a6ffa4aa7e81a54632f3370f4c93fce603160192] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git git bisect good a6ffa4aa7e81a54632f3370f4c93fce603160192 # good: [cd63f17e3bb63006f9f88bf7f5947b8e1601bcd9] Merge branch 'edac-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git git bisect good cd63f17e3bb63006f9f88bf7f5947b8e1601bcd9 # good: [cee7bbed3e5cc089b5c364ac8ad4a186c2a28bb6] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git git bisect good cee7bbed3e5cc089b5c364ac8ad4a186c2a28bb6 # good: [d5a23156ea99f10b584221893a6a7d6f6554cde8] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git git bisect good d5a23156ea99f10b584221893a6a7d6f6554cde8 # good: [2f1fde90d983bc404503100c9c4bbbf1e191bcf4] selftests: cgroup: fix alloc_anon_noexit() instantly freeing memory git bisect good 2f1fde90d983bc404503100c9c4bbbf1e191bcf4 # good: [fca1db6ff251278c532231552e840c7dc36dfa76] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git git bisect good fca1db6ff251278c532231552e840c7dc36dfa76 # good: [40b39116fe8e6fb66e3166ea40138eec506dfd91] perf: use VMA iterator git bisect good 40b39116fe8e6fb66e3166ea40138eec506dfd91 # bad: [33ef257872566922df2b6bcfdb5330b2388aef53] Docs/{ABI,admin-guide}/damon: update for fixed virtual address ranges monitoring git bisect bad 33ef257872566922df2b6bcfdb5330b2388aef53 # good: [2d8640f244c1ea6c40acde911d339dabc2ac765d] mm/oom_kill: use maple tree iterators instead of vma linked list git bisect good 2d8640f244c1ea6c40acde911d339dabc2ac765d # good: [49d281fa016f2906346f1707e5059b6f7674a948] mm/mmap.c: pass in mapping to __vma_link_file() git bisect good 49d281fa016f2906346f1707e5059b6f7674a948 # bad: [778ae6914961a857596ccdddb69f34ad1d597cd0] selftets/damon/sysfs: test existence and permission of avail_operations git bisect bad 778ae6914961a857596ccdddb69f34ad1d597cd0 # bad: [14031cb11d7f48cc0cb19084537e378fa8ce020d] mm/damon/core: add a function for damon_operations registration checks git bisect bad 14031cb11d7f48cc0cb19084537e378fa8ce020d # bad: [41fd8be857ee43f2f466fca7c2b66fea39f6540d] mapletree-vs-khugepaged git bisect bad 41fd8be857ee43f2f466fca7c2b66fea39f6540d # first bad commit: [41fd8be857ee43f2f466fca7c2b66fea39f6540d] mapletree-vs-khugepaged