Public bug reported:
I'm running a Hardy Server, installed fresh with the released CD image
and uptodate
# uname -a
Linux gaia 2.6.24-16-server #1 SMP Thu Apr 10 13:15:38 UTC 2008 x86_64 GNU/Linux
# free
total used free shared buffers cached
Mem: 4024616 3979444 45172 0 127884 3471348
-/+ buffers/cache: 380212 3644404
Swap: 5855568 296 5855272
# uptime
12:22:01 up 22 days, 21:51, 1 user, load average: 0.12, 0.06, 0.01
Today I have noticed the following messages in the log:
[767123.639086] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.639093] Pid: 2625, comm: md1_raid5 Not tainted 2.6.24-16-server #1
[767123.639095]
[767123.639096] Call Trace:
[767123.639097] <IRQ> [<ffffffff8028c08d>] __alloc_pages+0x2fd/0x3d0
[767123.639135] [<ffffffff8028b48e>] __get_free_pages+0xe/0x40
[767123.639139] [<ffffffff803e95db>] __alloc_skb+0x7b/0x160
[767123.639145] [<ffffffff803ea37b>] __netdev_alloc_skb+0x2b/0x50
[767123.639157] [<ffffffff881b8c6e>] :e1000:e1000_alloc_rx_buffers+0x17e/0x3b0
[767123.639164] [<ffffffff881b5dad>] :e1000:e1000_intr+0xad/0x140
[767123.639177] [<ffffffff881b9904>] :e1000:e1000_clean_rx_irq+0x324/0x590
[767123.639194] [<ffffffff881b6609>] :e1000:e1000_clean+0x69/0x250
[767123.639201] [<ffffffff803f1538>] net_rx_action+0x128/0x230
[767123.639209] [<ffffffff80243dc5>] __do_softirq+0x75/0xe0
[767123.639216] [<ffffffff8020d50c>] call_softirq+0x1c/0x30
[767123.639219] [<ffffffff8020ed25>] do_softirq+0x35/0x90
[767123.639222] [<ffffffff80243d48>] irq_exit+0x88/0x90
[767123.639225] [<ffffffff8020ef70>] do_IRQ+0x80/0x100
[767123.639229] [<ffffffff8020c891>] ret_from_intr+0x0/0xa
[767123.639231] <EOI> [<ffffffff803decf0>] pci_conf1_read+0x0/0x100
[767123.639244] [<ffffffff80470b88>] _spin_unlock_irqrestore+0x8/0x10
[767123.639267] [<ffffffff8812801a>] :scsi_mod:scsi_dispatch_cmd+0x18a/0x2e0
[767123.639280] [<ffffffff8812ed75>] :scsi_mod:scsi_request_fn+0x225/0x3d0
[767123.639288] [<ffffffff803430ce>] __make_request+0xde/0x680
[767123.639291] [<ffffffff8033d9cb>] elv_next_request+0x5b/0x1f0
[767123.639299] [<ffffffff8033f9f6>] generic_make_request+0x1e6/0x3e0
[767123.639314] [<ffffffff880c2d0a>] :raid456:handle_stripe5+0xa4a/0x1680
[767123.639322] [<ffffffff80235f06>] try_to_wake_up+0x66/0x3c0
[767123.639340] [<ffffffff8807fe50>] :md_mod:md_thread+0x0/0x100
[767123.639346] [<ffffffff880c539d>] :raid456:handle_stripe+0x2d/0x1090
[767123.639349] [<ffffffff802325bd>] __dequeue_entity+0x3d/0x50
[767123.639357] [<ffffffff8046ede0>] thread_return+0x3a/0x59a
[767123.639370] [<ffffffff8807fe50>] :md_mod:md_thread+0x0/0x100
[767123.639376] [<ffffffff880c6744>] :raid456:raid5d+0x344/0x460
[767123.639390] [<ffffffff8807fe50>] :md_mod:md_thread+0x0/0x100
[767123.639397] [<ffffffff8807fe80>] :md_mod:md_thread+0x30/0x100
[767123.639401] [<ffffffff80254200>] autoremove_wake_function+0x0/0x30
[767123.639409] [<ffffffff8807fe50>] :md_mod:md_thread+0x0/0x100
[767123.639413] [<ffffffff80253e3b>] kthread+0x4b/0x80
[767123.639417] [<ffffffff8020d198>] child_rip+0xa/0x12
[767123.639426] [<ffffffff80253df0>] kthread+0x0/0x80
[767123.639428] [<ffffffff8020d18e>] child_rip+0x0/0x12
[767123.639432]
[767123.639433] Mem-info:
[767123.639434] Node 0 DMA per-cpu:
[767123.639437] CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0,
btch: 1 usd: 0
[767123.639439] CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0,
btch: 1 usd: 0
[767123.639441] Node 0 DMA32 per-cpu:
[767123.639443] CPU 0: Hot: hi: 186, btch: 31 usd: 157 Cold: hi: 62,
btch: 15 usd: 47
[767123.639445] CPU 1: Hot: hi: 186, btch: 31 usd: 158 Cold: hi: 62,
btch: 15 usd: 56
[767123.639447] Node 0 Normal per-cpu:
[767123.639449] CPU 0: Hot: hi: 186, btch: 31 usd: 122 Cold: hi: 62,
btch: 15 usd: 53
[767123.639451] CPU 1: Hot: hi: 186, btch: 31 usd: 125 Cold: hi: 62,
btch: 15 usd: 61
[767123.639454] Active:235802 inactive:704536 dirty:57799 writeback:398
unstable:0
[767123.639455] free:8556 slab:41592 mapped:2224 pagetables:783 bounce:0
[767123.639457] Node 0 DMA free:10984kB min:20kB low:24kB high:28kB active:0kB
inactive:0kB present:10480kB pages_scanned:0 all_unreclaimable? yes
[767123.639460] lowmem_reserve[]: 0 3479 3984 3984
[767123.639462] Node 0 DMA32 free:22844kB min:7044kB low:8804kB high:10564kB
active:765800kB inactive:2622836kB present:3562592kB pages_scanned:0
all_unreclaimable? no
[767123.639466] lowmem_reserve[]: 0 0 505 505
[767123.639468] Node 0 Normal free:396kB min:1020kB low:1272kB high:1528kB
active:177408kB inactive:195308kB present:517120kB pages_scanned:42
all_unreclaimable? no
[767123.639472] lowmem_reserve[]: 0 0 0 0
[767123.639474] Node 0 DMA: 2*4kB 4*8kB 2*16kB 3*32kB 3*64kB 3*128kB 4*256kB
2*512kB 2*1024kB 1*2048kB 1*4096kB = 10984kB
[767123.639480] Node 0 DMA32: 1358*4kB 1493*8kB 318*16kB 3*32kB 1*64kB 0*128kB
1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 22880kB
[767123.639485] Node 0 Normal: 3*4kB 0*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB
0*512kB 0*1024kB 0*2048kB 0*4096kB = 396kB
[767123.639491] Swap cache: add 276, delete 249, find 57/89, race 0+0
[767123.639493] Free swap = 5855244kB
[767123.639494] Total swap = 5855568kB
[767123.639495] Free swap: 5855244kB
[767123.671889] 1179648 pages of RAM
[767123.671899] 173494 reserved pages
[767123.671901] 577679 pages shared
[767123.671902] 27 pages swap cached
I have a bunch of these in my kernel message:
# dmesg | grep " page allocation failure"
[767123.639086] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.672072] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.706791] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.741755] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.774396] md1_raid5: page allocation failure. order:3, mode:0x4020
[767123.813286] nfsd: page allocation failure. order:3, mode:0x4020
[767123.872601] nfsd: page allocation failure. order:3, mode:0x4020
[767123.905695] nfsd: page allocation failure. order:3, mode:0x4020
[767123.938875] nfsd: page allocation failure. order:3, mode:0x4020
[767123.972098] nfsd: page allocation failure. order:3, mode:0x4020
[767126.210321] swapper: page allocation failure. order:3, mode:0x4020
[767129.017867] nfsd: page allocation failure. order:3, mode:0x4020
The filesystems are XFS over LVM over RAID5 and served out via NFS and SAMBA.
I can provide the full kernel log if need be.
** Affects: ubuntu
Importance: Undecided
Status: New
--
kernel OOM crash on lightly loaded server with 4GB of RAM
https://bugs.launchpad.net/bugs/231992
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