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Date: Tue, 17 Nov 2009 22:22:07 GMT
From: bugzilla-daemon@...zilla.kernel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 14562] On umount warn in page_alloc.c:1751
__alloc_pages_slowpath
http://bugzilla.kernel.org/show_bug.cgi?id=14562
Francis Russell <francis+lkbt@...hartedbackwaters.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |francis+lkbt@...hartedbackw
| |aters.co.uk
--- Comment #4 from Francis Russell <francis+lkbt@...hartedbackwaters.co.uk> 2009-11-17 22:22:01 ---
Hi there,
I also have this warning. It seems to occur only when mounting or remounting an
ext4 partition using the auto_da_alloc ext4 mount option. Without this option,
the warning doesn't occur. I'm using x86_64 Debian testing with a 2.6.31.6
kernel compiled from vanilla kernel.org sources running an a Samsung R560
laptop. This is what I see in the syslog:
Nov 17 22:03:41 callisto kernel: [ 19.128673] WARNING: at
mm/page_alloc.c:1751 __alloc_pages_nodemask+0x174/0x592()
Nov 17 22:03:41 callisto kernel: [ 19.152057] Hardware name: R560
Nov 17 22:03:41 callisto kernel: [ 19.175684] Modules linked in: ext4 jbd2
crc16 fuse coretemp loop btusb bluetooth arc4 ecb snd_hda_codec_nvhdmi
snd_hda_codec_realtek iwlagn iwlcore snd_hda_intel joydev snd_hda_codec
snd_hwdep snd_pcm_oss snd_mixer_oss led_class snd_pcm snd_seq_dummy snd_seq_oss
mac80211 snd_seq_midi snd_rawmidi sg snd_seq_midi_event snd_seq snd_timer
snd_seq_device cfg80211 snd i2c_i801 sr_mod soundcore uhci_hcd rfkill i2c_core
psmouse cdrom intel_agp snd_page_alloc ehci_hcd sky2 evdev serio_raw video
battery pcspkr output button ac aes_x86_64 aes_generic xts gf128mul dm_crypt
dm_mod sd_mod crc_t10dif fan ahci ext3 jbd mbcache
Nov 17 22:03:41 callisto kernel: [ 19.255394] Pid: 1553, comm: mount Not
tainted 2.6.31.6 #1
Nov 17 22:03:41 callisto kernel: [ 19.282323] Call Trace:
Nov 17 22:03:41 callisto kernel: [ 19.308744] [<ffffffff810a7e87>] ?
__alloc_pages_nodemask+0x174/0x592
Nov 17 22:03:41 callisto kernel: [ 19.335479] [<ffffffff810412da>]
warn_slowpath_common+0x77/0xa4
Nov 17 22:03:41 callisto kernel: [ 19.361993] [<ffffffff81041316>]
warn_slowpath_null+0xf/0x11
Nov 17 22:03:41 callisto kernel: [ 19.388272] [<ffffffff810a7e87>]
__alloc_pages_nodemask+0x174/0x592
Nov 17 22:03:41 callisto kernel: [ 19.414627] [<ffffffff8105de26>] ?
getnstimeofday+0x57/0xb3
Nov 17 22:03:41 callisto kernel: [ 19.441186] [<ffffffff810a830e>]
__get_free_pages+0x12/0x4f
Nov 17 22:03:41 callisto kernel: [ 19.467454] [<ffffffff810ccff2>]
__kmalloc+0x45/0x132
Nov 17 22:03:41 callisto kernel: [ 19.493497] [<ffffffff8117703e>]
match_number+0x35/0x98
Nov 17 22:03:41 callisto kernel: [ 19.519417] [<ffffffff811770cc>]
match_int+0xb/0xd
Nov 17 22:03:41 callisto kernel: [ 19.545047] [<ffffffffa0382a1b>]
parse_options+0x61b/0x73e [ext4]
Nov 17 22:03:41 callisto kernel: [ 19.570632] [<ffffffff810f30da>] ?
__wait_on_buffer+0x1f/0x21
Nov 17 22:03:41 callisto kernel: [ 19.596161] [<ffffffff810f3101>] ?
wait_on_buffer+0x25/0x29
Nov 17 22:03:41 callisto kernel: [ 19.621468] [<ffffffffa0383411>]
ext4_fill_super+0x368/0x20c2 [ext4]
Nov 17 22:03:41 callisto kernel: [ 19.646600] [<ffffffff81176135>] ?
snprintf+0x59/0x5b
Nov 17 22:03:41 callisto kernel: [ 19.671431] [<ffffffff8117063b>] ?
kobject_get+0x1a/0x22
Nov 17 22:03:41 callisto kernel: [ 19.696013] [<ffffffff810f7b54>] ?
__blkdev_get+0x2a7/0x35a
Nov 17 22:03:41 callisto kernel: [ 19.720428] [<ffffffff812ca16a>] ?
down_write+0x19/0x1d
Nov 17 22:03:41 callisto kernel: [ 19.744514] [<ffffffff810d5bc7>]
get_sb_bdev+0x119/0x162
Nov 17 22:03:41 callisto kernel: [ 19.768211] [<ffffffffa03830a9>] ?
ext4_fill_super+0x0/0x20c2 [ext4]
Nov 17 22:03:41 callisto kernel: [ 19.791875] [<ffffffffa0380df3>]
ext4_get_sb+0x13/0x15 [ext4]
Nov 17 22:03:41 callisto kernel: [ 19.815571] [<ffffffff810d57fa>]
vfs_kern_mount+0x99/0x11d
Nov 17 22:03:41 callisto kernel: [ 19.839280] [<ffffffff810d58db>]
do_kern_mount+0x47/0xe7
Nov 17 22:03:41 callisto kernel: [ 19.862943] [<ffffffff810ea17f>]
do_mount+0x74b/0x7b9
Nov 17 22:03:41 callisto kernel: [ 19.886475] [<ffffffff810a830e>] ?
__get_free_pages+0x12/0x4f
Nov 17 22:03:41 callisto kernel: [ 19.910076] [<ffffffff810ea26d>]
sys_mount+0x80/0xc3
Nov 17 22:03:41 callisto kernel: [ 19.933491] [<ffffffff8104c3d3>] ?
sys_rt_sigprocmask+0x54/0xcf
Nov 17 22:03:41 callisto kernel: [ 19.956952] [<ffffffff8100baeb>]
system_call_fastpath+0x16/0x1b
Nov 17 22:03:41 callisto kernel: [ 19.980419] ---[ end trace 7a506926f0515111
]---
Nov 17 22:03:41 callisto kernel: [ 20.060709] EXT4-fs (dm-3): barriers
enabled
Nov 17 22:03:41 callisto kernel: [ 20.100150] kjournald2 starting: pid 1579,
dev dm-3:8, commit interval 5 seconds
Nov 17 22:03:41 callisto kernel: [ 20.124074] EXT4-fs (dm-3): internal
journal on dm-3:8
Nov 17 22:03:41 callisto kernel: [ 20.147399] EXT4-fs (dm-3): delayed
allocation enabled
Nov 17 22:03:41 callisto kernel: [ 20.147616] EXT4-fs: file extents enabled
Nov 17 22:03:41 callisto kernel: [ 20.148116] EXT4-fs: mballoc enabled
Nov 17 22:03:41 callisto kernel: [ 20.148127] EXT4-fs (dm-3): mounted
filesystem with ordered data mode
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