From: Pekka Enberg <penberg@kernel.org>
To: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: Michal Hocko <mhocko@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
linux-parisc@vger.kernel.org, Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards
Date: Tue, 19 Apr 2011 20:05:27 +0300 [thread overview]
Message-ID: <BANLkTimYrD_Sby_u-fPSwn-RJJyEVavU5w@mail.gmail.com> (raw)
In-Reply-To: <1303228009.3171.18.camel@mulgrave.site>
On Tue, Apr 19, 2011 at 6:46 PM, James Bottomley
<James.Bottomley@hansenpartnership.com> wrote:
> It compiles OK, but crashes on boot in fsck. The crash is definitely mm
> but looks to be a slab problem (it's a null deref on a spinlock in
> add_partial(), which seems unrelated to this patch).
>
> [ 15.628000] sd 1:0:2:0: [sdc] Attached SCSI disk
> done.
> [ 16.632000] EXT3-fs: barriers not enabled
> [ 16.640000] kjournald starting. Commit interval 5 seconds
> [ 16.640000] EXT3-fs (sda3): mounted filesystem with ordered data mode
> Begin: Running /scripts/local-bottom ... done.
> done.
> Begin: Running /scripts/init-bottom ... done.
> INIT: version 2.88 booting
> Setting hostname to 'ion'...done.
> Starting the hotplug events dispatcher: udevd[ 22.008000] udev[211]: starting version 164
> .
> Synthesizing the initial hotplug events...done.
> Waiting for /dev to be fully populated...done.
> Activating swap:swapon on /dev/sda2
> swapon: /dev/sda2: found swap signature: version 1, page-size 4, same byte order
> swapon: /dev/sda2: pagesize=4096, swapsize=1028157440, devsize=1028160000
> [ 28.780000] Adding 1004056k swap on /dev/sda2. Priority:-1 extents:1 across:1004056k
> .
> Will now check root file system:fsck from util-linux-ng 2.17.2
> [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a -C0 /dev/sda3
> /dev/sda3 has been mounted 37 times without being checked, check forced.
> [ 257.192000] Backtrace:=========== \ 42.8%
> [ 257.192000] [<0000000040214f78>] add_partial+0x28/0x98
> [ 257.192000] [<0000000040217ff8>] __slab_free+0x1d0/0x1d8
> [ 257.192000] [<000000004021825c>] kmem_cache_free+0xc4/0x128
> [ 257.192000] [<00000000401fd1a4>] remove_vma+0x8c/0xc0
> [ 257.192000] [<00000000401fd3a8>] exit_mmap+0x1d0/0x220
> [ 257.192000] [<0000000040156514>] mmput+0xd4/0x200
> [ 257.192000] [<000000004015c7b8>] exit_mm+0x100/0x2c0
> [ 257.192000] [<000000004015ef40>] do_exit+0x778/0x9d8
> [ 257.192000] [<000000004015f1ec>] do_group_exit+0x4c/0xe0
> [ 257.192000] [<000000004015f298>] sys_exit_group+0x18/0x28
> [ 257.192000] [<0000000040106034>] syscall_exit+0x0/0x14
> [ 257.192000]
> [ 257.192000]
> [ 257.192000] Kernel Fault: Code=26 regs=00000040bf1807d0 (Addr=0000000000000000)
> [ 257.192000]
> [ 257.192000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
> [ 257.192000] PSW: 00001000000001001111000000001110 Not tainted
> [ 257.192000] r00-03 000000ff0804f00e 0000000040769e40 0000000040214f78 0000000000000000
> [ 257.192000] r04-07 0000000040746e40 0000000000000001 0000004080ded370 0000000000000001
> [ 257.192000] r08-11 0000000040654150 0000000000000000 0000000000000001 0000000000000001
> [ 257.192000] r12-15 0000000000000000 00000000ffffffff 0000000000000024 0000000000000000
> [ 257.192000] r16-19 00000000fb4ead9c 00000000fb4eac54 0000000000000000 0000000000000000
> [ 257.192000] r20-23 000000000800000e 0000000000000001 000000007bbb7180 00000000401fd1a4
> [ 257.192000] r24-27 0000000000000001 0000004080ded370 0000000000000000 0000000040746e40
> [ 257.192000] r28-31 000000007ec0a908 00000040bf1807a0 00000040bf1807d0 0000000000000016
> [ 257.192000] sr00-03 00000000002d9000 0000000000000000 0000000000000000 00000000002d9000
> [ 257.192000] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 257.192000]
> [ 257.192000] IASQ: 0000000000000000 0000000000000000 IAOQ: 000000004011bbc0 000000004011bbc4
> [ 257.192000] IIR: 0f4015dc ISR: 0000000000000000 IOR: 0000000000000000
> [ 257.192000] CPU: 0 CR30: 00000040bf180000 CR31: fffffff0f0e098e0
> [ 257.192000] ORIG_R28: 0000000040769e40
> [ 257.192000] IAOQ[0]: _raw_spin_lock+0x0/0x20
> [ 257.192000] IAOQ[1]: _raw_spin_lock+0x4/0x20
> [ 257.192000] RP(r2): add_partial+0x28/0x98
> [ 257.192000] Backtrace:
> [ 257.192000] [<0000000040214f78>] add_partial+0x28/0x98
> [ 257.192000] [<0000000040217ff8>] __slab_free+0x1d0/0x1d8
> [ 257.192000] [<000000004021825c>] kmem_cache_free+0xc4/0x128
> [ 257.192000] [<00000000401fd1a4>] remove_vma+0x8c/0xc0
> [ 257.192000] [<00000000401fd3a8>] exit_mmap+0x1d0/0x220
> [ 257.192000] [<0000000040156514>] mmput+0xd4/0x200
> [ 257.192000] [<000000004015c7b8>] exit_mm+0x100/0x2c0
> [ 257.192000] [<000000004015ef40>] do_exit+0x778/0x9d8
> [ 257.192000] [<000000004015f1ec>] do_group_exit+0x4c/0xe0
> [ 257.192000] [<000000004015f298>] sys_exit_group+0x18/0x28
> [ 257.192000] [<0000000040106034>] syscall_exit+0x0/0x14
> [ 257.192000]
> [ 257.192000] Kernel panic - not syncing: Kernel Fault
> [ 257.192000] Backtrace:
> [ 257.192000] [<000000004011f984>] show_stack+0x14/0x20
> [ 257.192000] [<000000004011f9a8>] dump_stack+0x18/0x28
> [ 257.192000] [<000000004015946c>] panic+0xd4/0x368
> [ 257.192000] [<0000000040120024>] parisc_terminate+0x14c/0x170
> [ 257.192000] [<000000004012059c>] handle_interruption+0x2ac/0x8f8
> [ 257.192000] [<000000004011bbc0>] _raw_spin_lock+0x0/0x20
> [ 257.192000]
> [ 257.192000] Rebooting in 5 seconds..
>
> It seems to be a random intermittent mm crash because the next reboot
> crashed with the same trace but after the fsck had completed and the
> third came up to the login prompt.
Looks like a genuine SLUB problem on parisc. Christoph?
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next prev parent reply other threads:[~2011-04-19 17:05 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-15 13:51 [PATCH] mm: make expand_downwards symmetrical to expand_upwards Michal Hocko
2011-04-18 3:00 ` Hugh Dickins
2011-04-18 10:01 ` [PATCH v2] " Michal Hocko
2011-04-18 20:56 ` Andrew Morton
[not found] ` <20110419091022.GA21689@tiehlicka.suse.cz>
2011-04-19 11:09 ` [PATCH followup] mm: get rid of CONFIG_STACK_GROWSUP || CONFIG_IA64 Michal Hocko
2011-04-20 0:33 ` KOSAKI Motohiro
2011-04-20 6:59 ` Michal Hocko
2011-04-20 7:08 ` KOSAKI Motohiro
2011-04-26 7:59 ` Michal Hocko
2011-04-19 11:10 ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards Michal Hocko
2011-04-19 15:46 ` James Bottomley
2011-04-19 16:06 ` [PATCH v3] mm: make expand_downwards symmetrical to John David Anglin
2011-04-19 16:59 ` James Bottomley
2011-04-19 16:07 ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards James Bottomley
2011-04-19 17:05 ` Pekka Enberg [this message]
2011-04-19 17:11 ` James Bottomley
2011-04-19 17:15 ` Christoph Lameter
2011-04-19 17:48 ` James Bottomley
2011-04-19 18:10 ` Christoph Lameter
2011-04-19 18:20 ` James Bottomley
2011-04-19 18:35 ` Christoph Lameter
2011-04-19 19:49 ` James Bottomley
2011-04-19 20:56 ` Christoph Lameter
2011-04-19 21:21 ` James Bottomley
2011-04-19 21:39 ` Christoph Lameter
2011-04-19 21:48 ` James Bottomley
2011-04-19 21:58 ` Christoph Lameter
2011-04-20 1:23 ` KOSAKI Motohiro
2011-04-20 2:48 ` James Bottomley
2011-04-20 2:57 ` KOSAKI Motohiro
2011-04-20 13:50 ` Christoph Lameter
2011-04-21 13:32 ` Tejun Heo
2011-04-20 5:53 ` Pekka Enberg
2011-04-20 7:15 ` KOSAKI Motohiro
2011-04-20 7:34 ` Pekka Enberg
2011-04-20 8:40 ` KOSAKI Motohiro
2011-04-20 16:32 ` James Bottomley
2011-04-20 16:50 ` Christoph Lameter
2011-04-20 18:09 ` James Bottomley
2011-04-20 21:18 ` David Rientjes
2011-04-20 22:15 ` James Bottomley
2011-04-20 23:12 ` David Rientjes
2011-04-21 13:16 ` KOSAKI Motohiro
2011-04-21 16:37 ` James Bottomley
2011-04-21 18:33 ` Christoph Lameter
2011-04-21 18:45 ` Dave Hansen
2011-04-22 18:19 ` James Bottomley
2011-04-22 20:24 ` Dave Hansen
2011-04-22 20:35 ` James Bottomley
2011-04-22 21:33 ` James Bottomley
2011-04-23 18:34 ` [PATCH] convert parisc to sparsemem (was Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards) James Bottomley
2011-04-24 16:27 ` John David Anglin
2011-04-26 0:32 ` KOSAKI Motohiro
2011-04-27 16:36 ` Dave Hansen
2011-04-21 20:05 ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards James Bottomley
2011-04-21 21:07 ` Christoph Lameter
2011-04-21 21:22 ` James Bottomley
2011-04-21 19:33 ` David Rientjes
2011-04-22 0:34 ` KOSAKI Motohiro
2011-04-21 13:03 ` KOSAKI Motohiro
2011-04-21 19:38 ` David Rientjes
2011-04-21 20:02 ` Christoph Lameter
2011-04-21 21:19 ` David Rientjes
2011-04-21 21:24 ` James Bottomley
2011-04-21 21:34 ` David Rientjes
2011-04-21 21:49 ` James Bottomley
2011-04-21 22:12 ` David Rientjes
2011-04-22 8:02 ` Pekka Enberg
2011-04-22 13:49 ` James Bottomley
2011-04-22 17:00 ` Pekka Enberg
2011-04-22 17:03 ` James Bottomley
2011-04-21 21:41 ` [patch] mm: always set nodes with regular memory in N_NORMAL_MEMORY David Rientjes
2011-04-22 0:36 ` KOSAKI Motohiro
2011-04-20 21:05 ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards David Rientjes
2011-04-20 11:20 ` Matthew Wilcox
2011-04-20 11:28 ` Pekka Enberg
2011-04-20 14:15 ` James Bottomley
2011-04-20 14:50 ` Christoph Lameter
2011-04-20 15:02 ` James Bottomley
2011-04-20 15:22 ` Christoph Lameter
2011-04-20 19:25 ` Matthew Wilcox
2011-04-20 21:42 ` David Rientjes
2011-04-21 16:06 ` James Bottomley
2011-04-21 22:19 ` David Rientjes
2011-04-21 22:31 ` James Bottomley
2011-04-20 13:58 ` Christoph Lameter
2011-04-20 21:34 ` David Rientjes
2011-04-20 14:07 ` Christoph Lameter
2011-04-20 2:33 ` James Bottomley
2011-04-19 17:12 ` Christoph Lameter
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