From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Nick Piggin <npiggin@suse.de>,
Andrea Arcangeli <aarcange@redhat.com>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
sgunderson@bigfoot.com, hannes@cmpxchg.org
Subject: Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA
Date: Thu, 8 Apr 2010 23:00:36 +0200 [thread overview]
Message-ID: <20100408210035.GA25834@a1.tnic> (raw)
In-Reply-To: <alpine.LFD.2.00.1004080706500.3586@i5.linux-foundation.org>
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, Apr 08, 2010 at 07:11:11AM -0700
> [ The patch below also makes it warn once and return SIGBUS for the case
> where there is no anon_vma. I decided I still want to hear about it if
> there might be some path that tries to insert a vma on its own ]
And this happens quite often - I changed the WARN_ONCE to WARN and can't
start kvm, iceowl (mozilla calendar) and the console-kit-daemon craps up
upon boot too:
[ 55.814570] ------------[ cut here ]------------
[ 55.814623] WARNING: at mm/memory.c:3110 handle_mm_fault+0x43/0x66a()
[ 55.814648] Hardware name: System Product Name
[ 55.814671] Mapping with no anon_vma
[ 55.814693] Modules linked in: powernow_k8 cpufreq_ondemand cpufreq_powersave cpufreq_userspace freq_table cpufreq_conservative binfmt_misc kvm_amd kvm ipv6 vfat fat dm_crypt dm_mod 8250_pnp 8250 edac_core ohci_hcd serial_core k10temp pcspkr
[ 55.815249] Pid: 1936, comm: console-kit-dae Not tainted 2.6.34-rc3-00290-g2156db9-dirty #8
[ 55.815290] Call Trace:
[ 55.815327] [<ffffffff81037ea8>] warn_slowpath_common+0x7c/0x94
[ 55.815362] [<ffffffff81037f17>] warn_slowpath_fmt+0x41/0x43
[ 55.815391] [<ffffffff810b856a>] handle_mm_fault+0x43/0x66a
[ 55.815420] [<ffffffff8101f392>] do_page_fault+0x30b/0x32d
[ 55.815452] [<ffffffff810615ce>] ? put_lock_stats+0xe/0x27
[ 55.815483] [<ffffffff81062a55>] ? lock_release_holdtime+0x104/0x109
[ 55.815518] [<ffffffff813f93e3>] ? error_sti+0x5/0x6
[ 55.815553] [<ffffffff813f7dd2>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[ 55.815585] [<ffffffff813f91ff>] page_fault+0x1f/0x30
[ 55.815613] ---[ end trace fa59f67cbfeeca44 ]---
[ 60.801651] ------------[ cut here ]------------
[ 60.801672] WARNING: at mm/memory.c:3110 handle_mm_fault+0x43/0x66a()
[ 60.801681] Hardware name: System Product Name
[ 60.801689] Mapping with no anon_vma
[ 60.801702] Modules linked in: powernow_k8 cpufreq_ondemand cpufreq_powersave cpufreq_userspace freq_table cpufreq_conservative binfmt_misc kvm_amd kvm ipv6 vfat fat dm_crypt dm_mod 8250_pnp 8250 edac_core ohci_hcd serial_core k10temp pcspkr
[ 60.802156] Pid: 2008, comm: iceowl-bin Tainted: G W 2.6.34-rc3-00290-g2156db9-dirty #8
[ 60.802169] Call Trace:
[ 60.802181] [<ffffffff81037ea8>] warn_slowpath_common+0x7c/0x94
[ 60.802191] [<ffffffff81037f17>] warn_slowpath_fmt+0x41/0x43
[ 60.802203] [<ffffffff810b856a>] handle_mm_fault+0x43/0x66a
[ 60.802213] [<ffffffff8101f392>] do_page_fault+0x30b/0x32d
[ 60.802225] [<ffffffff810615ce>] ? put_lock_stats+0xe/0x27
[ 60.802235] [<ffffffff81062a55>] ? lock_release_holdtime+0x104/0x109
[ 60.802268] [<ffffffff813f93e3>] ? error_sti+0x5/0x6
[ 60.802279] [<ffffffff813f7dd2>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[ 60.802290] [<ffffffff813f91ff>] page_fault+0x1f/0x30
[ 60.802305] ---[ end trace fa59f67cbfeeca45 ]---
[ 92.123350] ------------[ cut here ]------------
[ 92.123402] WARNING: at kernel/sched.c:3555 add_preempt_count+0x9c/0xcb()
[ 92.123428] Hardware name: System Product Name
[ 92.123451] Modules linked in: powernow_k8 cpufreq_ondemand cpufreq_powersave cpufreq_userspace freq_table cpufreq_conservative binfmt_misc kvm_amd kvm ipv6 vfat fat dm_crypt dm_mod 8250_pnp 8250 edac_core ohci_hcd serial_core k10temp pcspkr
[ 92.123902] Pid: 2111, comm: kvm Tainted: G W 2.6.34-rc3-00290-g2156db9-dirty #8
[ 92.123940] Call Trace:
[ 92.123973] [<ffffffff81037ea8>] warn_slowpath_common+0x7c/0x94
[ 92.124002] [<ffffffff81037ed4>] warn_slowpath_null+0x14/0x16
[ 92.124031] [<ffffffff8102d5d8>] add_preempt_count+0x9c/0xcb
[ 92.124061] [<ffffffff813f7ee9>] _raw_spin_lock_nest_lock+0x21/0x7a
[ 92.124090] [<ffffffff810bc079>] ? mm_take_all_locks+0xf9/0x150
[ 92.124118] [<ffffffff810bc079>] mm_take_all_locks+0xf9/0x150
[ 92.124146] [<ffffffff810cc48d>] ? do_mmu_notifier_register+0xd3/0x19d
[ 92.124174] [<ffffffff810cc495>] do_mmu_notifier_register+0xdb/0x19d
[ 92.124202] [<ffffffff810cc57c>] mmu_notifier_register+0x13/0x15
[ 92.124256] [<ffffffffa00c67e3>] kvm_dev_ioctl+0x2c8/0x495 [kvm]
[ 92.124318] [<ffffffff810e24ff>] vfs_ioctl+0x32/0xa6
[ 92.124357] [<ffffffff810e2a91>] do_vfs_ioctl+0x495/0x4db
[ 92.124390] [<ffffffff813f93e3>] ? error_sti+0x5/0x6
[ 92.124425] [<ffffffff813f8fad>] ? retint_swapgs+0xe/0x13
[ 92.124458] [<ffffffff810e2b1e>] sys_ioctl+0x47/0x6a
[ 92.124498] [<ffffffff810021db>] system_call_fastpath+0x16/0x1b
[ 92.124527] ---[ end trace fa59f67cbfeeca46 ]---
[ 92.213834] ------------[ cut here ]------------
[ 92.213888] WARNING: at mm/memory.c:3110 handle_mm_fault+0x43/0x66a()
[ 92.213913] Hardware name: System Product Name
[ 92.213937] Mapping with no anon_vma
[ 92.213959] Modules linked in: powernow_k8 cpufreq_ondemand cpufreq_powersave cpufreq_userspace freq_table cpufreq_conservative binfmt_misc kvm_amd kvm ipv6 vfat fat dm_crypt dm_mod 8250_pnp 8250 edac_core ohci_hcd serial_core k10temp pcspkr
[ 92.214529] Pid: 2111, comm: kvm Tainted: G W 2.6.34-rc3-00290-g2156db9-dirty #8
[ 92.214571] Call Trace:
[ 92.214612] [<ffffffff81037ea8>] warn_slowpath_common+0x7c/0x94
[ 92.214647] [<ffffffff81037f17>] warn_slowpath_fmt+0x41/0x43
[ 92.214683] [<ffffffff810b856a>] handle_mm_fault+0x43/0x66a
[ 92.214718] [<ffffffff8101f392>] do_page_fault+0x30b/0x32d
[ 92.214751] [<ffffffff810be3ab>] ? do_mmap_pgoff+0x290/0x2f3
[ 92.214787] [<ffffffff813f93e3>] ? error_sti+0x5/0x6
[ 92.214821] [<ffffffff81062b97>] ? trace_hardirqs_off_caller+0x1f/0xa9
[ 92.214857] [<ffffffff813f7dd2>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[ 92.214896] [<ffffffff813f91ff>] page_fault+0x1f/0x30
[ 92.214928] ---[ end trace fa59f67cbfeeca47 ]---
--
Regards/Gruss,
Boris.
next prev parent reply other threads:[~2010-04-08 21:08 UTC|newest]
Thread overview: 231+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 17:50 Linux 2.6.34-rc3 Linus Torvalds
2010-03-30 21:16 ` [Regression, post-rc2] Commit a5ee4eb7541 breaks OpenGL on RS780 (was: Re: Linux 2.6.34-rc3) Rafael J. Wysocki
2010-03-31 20:34 ` [stable] " Greg KH
2010-04-01 1:13 ` Rafael J. Wysocki
2010-04-01 2:19 ` Alex Deucher
2010-04-01 6:36 ` Clemens Ladisch
2010-04-01 15:01 ` Alex Deucher
2010-04-01 20:28 ` Rafael J. Wysocki
2010-04-01 20:39 ` Alex Deucher
2010-04-01 20:48 ` Rafael J. Wysocki
2010-04-01 21:00 ` Alex Deucher
2010-04-01 21:01 ` Alex Deucher
2010-04-01 21:08 ` Rafael J. Wysocki
2010-04-01 21:13 ` Alex Deucher
2010-04-01 21:46 ` Rafael J. Wysocki
2010-04-01 22:07 ` Alex Deucher
2010-04-01 23:20 ` Rafael J. Wysocki
2010-04-02 0:23 ` Linus Torvalds
2010-04-02 16:46 ` Rafael J. Wysocki
2010-04-03 18:08 ` Clemens Ladisch
2010-04-03 19:33 ` Rafael J. Wysocki
2010-04-01 16:29 ` Linus Torvalds
2010-04-01 17:07 ` Alex Deucher
2010-04-01 17:24 ` Linus Torvalds
2010-04-01 17:50 ` [Regression, post-rc2] Commit a5ee4eb7541 breaks OpenGL on RS780 Clemens Ladisch
2010-04-01 17:53 ` [Regression, post-rc2] Commit a5ee4eb7541 breaks OpenGL on RS780 (was: Re: Linux 2.6.34-rc3) Alex Deucher
2010-04-01 20:17 ` Linus Torvalds
2010-04-01 20:23 ` Alex Deucher
2010-04-01 19:46 ` Rafael J. Wysocki
2010-04-01 22:48 ` Jesse Barnes
2010-04-01 23:23 ` Rafael J. Wysocki
2010-04-02 17:59 ` Ugly rmap NULL ptr deref oopsie on hibernate (was " Borislav Petkov
2010-04-02 18:09 ` Linus Torvalds
2010-04-02 15:24 ` Andrew Morton
2010-04-02 18:37 ` Linus Torvalds
2010-04-02 22:01 ` Rik van Riel
2010-04-03 0:19 ` Linus Torvalds
2010-04-04 16:12 ` Minchan Kim
2010-04-04 17:24 ` Rik van Riel
2010-04-04 23:09 ` [PATCH] rmap: fix anon_vma_fork() memory leak Rik van Riel
2010-04-04 23:56 ` Minchan Kim
2010-04-05 15:37 ` Linus Torvalds
2010-04-05 15:48 ` Minchan Kim
2010-04-05 16:04 ` Rik van Riel
2010-04-05 16:13 ` [PATCH -v2] " Rik van Riel
2010-04-06 8:53 ` Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3) KOSAKI Motohiro
2010-04-06 10:09 ` KOSAKI Motohiro
2010-04-06 14:34 ` Rik van Riel
2010-04-06 14:38 ` Rik van Riel
2010-04-06 15:34 ` Minchan Kim
2010-04-06 15:40 ` Rik van Riel
2010-04-06 15:58 ` Minchan Kim
2010-04-06 15:55 ` Linus Torvalds
2010-04-06 16:23 ` Minchan Kim
2010-04-06 16:28 ` Linus Torvalds
2010-04-06 16:45 ` Minchan Kim
2010-04-06 16:53 ` Linus Torvalds
2010-04-06 17:04 ` Rik van Riel
2010-04-06 18:28 ` Linus Torvalds
2010-04-06 19:03 ` Andrew Morton
2010-04-06 19:10 ` Steinar H. Gunderson
2010-04-06 19:10 ` Linus Torvalds
2010-04-06 19:35 ` Linus Torvalds
2010-04-06 19:42 ` Borislav Petkov
2010-04-06 20:02 ` Linus Torvalds
2010-04-06 20:46 ` Steinar H. Gunderson
2010-04-06 20:56 ` Linus Torvalds
2010-04-06 21:05 ` Steinar H. Gunderson
2010-04-06 20:51 ` Borislav Petkov
2010-04-06 21:27 ` Linus Torvalds
2010-04-06 22:59 ` Borislav Petkov
2010-04-06 23:27 ` Linus Torvalds
2010-04-06 23:54 ` [PATCH] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA Rik van Riel
2010-04-07 7:00 ` KOSAKI Motohiro
2010-04-07 14:48 ` Rik van Riel
2010-04-07 14:54 ` [PATCH -v2] " Rik van Riel
2010-04-07 15:30 ` Linus Torvalds
2010-04-07 15:52 ` Rik van Riel
2010-04-07 16:56 ` Linus Torvalds
2010-04-07 21:19 ` Linus Torvalds
2010-04-07 21:52 ` Rik van Riel
2010-04-07 22:09 ` Linus Torvalds
2010-04-07 22:15 ` Linus Torvalds
2010-04-08 0:38 ` Rik van Riel
2010-04-07 23:37 ` Linus Torvalds
2010-04-08 2:03 ` KOSAKI Motohiro
2010-04-08 2:33 ` Linus Torvalds
2010-04-08 5:47 ` Borislav Petkov
2010-04-08 14:11 ` Linus Torvalds
2010-04-08 18:25 ` Rik van Riel
2010-04-08 18:32 ` Linus Torvalds
2010-04-08 20:31 ` Borislav Petkov
2010-04-08 21:00 ` Borislav Petkov [this message]
2010-04-08 23:16 ` Linus Torvalds
2010-04-08 23:47 ` Borislav Petkov
2010-04-09 0:50 ` Linus Torvalds
2010-04-09 1:30 ` Borislav Petkov
2010-04-09 9:21 ` Borislav Petkov
2010-04-09 16:35 ` Linus Torvalds
2010-04-09 17:40 ` Borislav Petkov
2010-04-09 17:50 ` Linus Torvalds
2010-04-09 19:14 ` Borislav Petkov
2010-04-09 19:32 ` Linus Torvalds
2010-04-09 20:03 ` Rik van Riel
2010-04-09 20:43 ` Johannes Weiner
2010-04-09 20:57 ` Rik van Riel
2010-04-09 21:33 ` Borislav Petkov
2010-04-09 23:22 ` Linus Torvalds
2010-04-09 23:45 ` Rik van Riel
2010-04-10 0:03 ` Linus Torvalds
2010-04-10 0:11 ` Rik van Riel
2010-04-09 23:54 ` Johannes Weiner
2010-04-09 23:56 ` Linus Torvalds
2010-04-10 0:19 ` Rik van Riel
2010-04-10 0:31 ` Johannes Weiner
2010-04-10 0:32 ` Linus Torvalds
2010-04-10 7:27 ` Borislav Petkov
2010-04-10 11:26 ` Borislav Petkov
2010-04-10 14:45 ` Rik van Riel
2010-04-10 15:24 ` Linus Torvalds
2010-04-10 16:38 ` Borislav Petkov
2010-04-10 17:05 ` Linus Torvalds
2010-04-10 18:21 ` Linus Torvalds
2010-04-10 18:26 ` Linus Torvalds
2010-04-10 18:51 ` Borislav Petkov
2010-04-10 18:58 ` Borislav Petkov
2010-04-10 20:05 ` Linus Torvalds
2010-04-10 20:12 ` Linus Torvalds
2010-04-10 20:36 ` Borislav Petkov
2010-04-10 20:40 ` Linus Torvalds
2010-04-10 21:25 ` Borislav Petkov
2010-04-10 21:30 ` Linus Torvalds
2010-04-10 21:51 ` Borislav Petkov
2010-04-11 13:08 ` Borislav Petkov
2010-04-11 13:19 ` [PATCH 1/3] mm: make page freeing path RCU-safe Borislav Petkov
2010-04-11 13:19 ` [PATCH 2/3] mm: cleanup find_mergeable_anon_vma complexity Borislav Petkov
2010-04-11 13:19 ` [PATCH 3/3] mm: fixup vma_adjust Borislav Petkov
2010-04-11 13:25 ` [PATCH 2/3] mm: cleanup find_mergeable_anon_vma complexity Borislav Petkov
2010-04-11 17:07 ` [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA Linus Torvalds
2010-04-11 17:16 ` Linus Torvalds
2010-04-11 18:55 ` Borislav Petkov
2010-04-12 0:13 ` Linus Torvalds
2010-04-12 1:04 ` Linus Torvalds
2010-04-12 7:20 ` Borislav Petkov
2010-04-12 16:02 ` Linus Torvalds
2010-04-12 16:26 ` Linus Torvalds
2010-04-12 18:40 ` Rik van Riel
2010-04-12 19:00 ` Borislav Petkov
2010-04-12 19:17 ` Linus Torvalds
2010-04-12 20:22 ` [PATCH 1/4] Simplify and comment on anon_vma re-use for anon_vma_prepare() Linus Torvalds
2010-04-12 20:23 ` [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains Linus Torvalds
2010-04-12 20:23 ` [PATCH 3/4] anon_vma: clone the anon_vma chain in the right order Linus Torvalds
2010-04-12 20:23 ` [PATCH 4/4] anonvma: when setting up page->mapping, we need to pick the _oldest_ anonvma Linus Torvalds
2010-04-12 21:03 ` Rik van Riel
2010-04-13 0:41 ` Johannes Weiner
2010-04-13 1:08 ` Linus Torvalds
2010-04-13 4:23 ` Minchan Kim
2010-04-13 4:26 ` Minchan Kim
2010-04-12 20:57 ` [PATCH 3/4] anon_vma: clone the anon_vma chain in the right order Rik van Riel
2010-04-13 0:18 ` Johannes Weiner
2010-04-13 4:16 ` Minchan Kim
2010-04-12 20:54 ` [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains Rik van Riel
2010-04-12 23:59 ` Johannes Weiner
2010-04-13 4:15 ` Minchan Kim
2010-04-12 20:54 ` [PATCH 1/4] Simplify and comment on anon_vma re-use for anon_vma_prepare() Rik van Riel
2010-04-12 23:54 ` Johannes Weiner
2010-04-13 4:04 ` Minchan Kim
2010-04-13 9:51 ` Peter Zijlstra
2010-04-12 21:50 ` [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA Borislav Petkov
2010-04-12 22:11 ` Linus Torvalds
2010-04-12 22:18 ` Linus Torvalds
2010-04-12 22:29 ` Borislav Petkov
2010-04-13 9:38 ` Borislav Petkov
2010-04-14 21:59 ` [PATCH] rmap: add exclusively owned pages to the newest anon_vma Rik van Riel
2010-04-14 23:20 ` Johannes Weiner
2010-04-15 8:34 ` Borislav Petkov
2010-04-15 16:02 ` Minchan Kim
2010-04-15 20:01 ` Linus Torvalds
2010-04-16 6:09 ` Felipe Balbi
2010-04-16 14:48 ` Linus Torvalds
2010-04-11 19:49 ` [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA Rik van Riel
2010-04-12 15:44 ` Linus Torvalds
2010-04-12 15:51 ` Rik van Riel
2010-04-11 21:45 ` Rik van Riel
2010-04-12 15:51 ` Linus Torvalds
2010-04-13 10:36 ` KOSAKI Motohiro
2010-04-10 20:24 ` Rik van Riel
2010-04-10 20:34 ` Linus Torvalds
2010-04-10 20:43 ` Rik van Riel
2010-04-10 20:32 ` Rik van Riel
2010-04-10 19:36 ` Rik van Riel
2010-04-12 14:40 ` Peter Zijlstra
2010-04-12 15:17 ` Minchan Kim
2010-04-12 15:33 ` Peter Zijlstra
2010-04-12 15:19 ` Rik van Riel
2010-04-12 16:01 ` Peter Zijlstra
2010-04-12 16:06 ` Rik van Riel
2010-04-12 16:46 ` Linus Torvalds
2010-04-12 18:40 ` Peter Zijlstra
2010-04-12 19:30 ` Peter Zijlstra
2010-04-12 19:44 ` Peter Zijlstra
2010-04-13 10:53 ` KOSAKI Motohiro
2010-04-13 11:30 ` Peter Zijlstra
2010-04-13 12:00 ` KOSAKI Motohiro
2010-04-14 14:27 ` Peter Zijlstra
2010-04-10 17:07 ` Borislav Petkov
2010-04-10 16:41 ` Linus Torvalds
2010-04-10 22:49 ` Johannes Weiner
2010-04-10 23:31 ` Linus Torvalds
2010-04-09 1:45 ` KOSAKI Motohiro
2010-04-07 15:55 ` Minchan Kim
2010-04-07 7:29 ` Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3) Borislav Petkov
2010-04-07 14:05 ` Paulo Marques
2010-04-07 14:13 ` Borislav Petkov
2010-04-06 23:37 ` Linus Torvalds
2010-04-06 23:22 ` Rik van Riel
2010-04-07 0:10 ` Linus Torvalds
2010-04-07 1:18 ` Rik van Riel
2010-04-07 7:22 ` Borislav Petkov
2010-04-07 10:09 ` Pekka Enberg
2010-04-07 10:12 ` KOSAKI Motohiro
2010-04-07 8:41 ` Peter Zijlstra
2010-04-07 8:36 ` Peter Zijlstra
2010-04-07 9:16 ` Johannes Weiner
2010-04-07 9:37 ` Peter Zijlstra
2010-04-07 14:12 ` Rik van Riel
2010-04-07 15:46 ` Linus Torvalds
2010-04-06 16:32 ` Linus Torvalds
2010-04-06 16:54 ` Minchan Kim
2010-04-07 8:37 ` Peter Zijlstra
2010-04-06 17:05 ` Borislav Petkov
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