This is still reproducible with these updates installed:
linux-image-2.6.28-13-generic
linux-backports-modules-2.6.28-13-generic
Simply do: cat /dev/sda > /dev/null
And get:
Jun 18 21:38:09 cheren kernel: [146818.176740] swapper: page allocation
failure. order:1, mode:0x4020
Jun 18 21:38:09 cheren kernel: [146818.176748] Pid: 0, comm: swapper Tainted: G
W 2.6.28-13-generic #44-Ubuntu
Jun 18 21:38:09 cheren kernel: [146818.176752] Call Trace:
Jun 18 21:38:09 cheren kernel: [146818.176765] [<c04fca36>] ? printk+0x18/0x1a
Jun 18 21:38:09 cheren kernel: [146818.176773] [<c0194287>]
__alloc_pages_internal+0x387/0x490
Jun 18 21:38:09 cheren kernel: [146818.176780] [<c01943e1>]
__get_free_pages+0x21/0x40
Jun 18 21:38:09 cheren kernel: [146818.176787] [<c01b8c2e>]
__kmalloc_track_caller+0xee/0xf0
Jun 18 21:38:09 cheren kernel: [146818.176806] [<faaf1dde>] ?
ath_rxbuf_alloc+0x2e/0x80 [ath9k]
Jun 18 21:38:09 cheren kernel: [146818.176814] [<c0427ecd>]
__alloc_skb+0x4d/0x110
Jun 18 21:38:09 cheren kernel: [146818.176830] [<faaf1dde>]
ath_rxbuf_alloc+0x2e/0x80 [ath9k]
Jun 18 21:38:09 cheren kernel: [146818.176846] [<faaf2215>]
ath_rx_tasklet+0x345/0x6c0 [ath9k]
Jun 18 21:38:09 cheren kernel: [146818.176854] [<c0119a73>] ?
lapic_next_event+0x13/0x20
Jun 18 21:38:09 cheren kernel: [146818.176870] [<faaef8e6>]
ath9k_tasklet+0x76/0xb0 [ath9k]
Jun 18 21:38:09 cheren kernel: [146818.176878] [<c013ed18>]
tasklet_action+0x78/0x100
Jun 18 21:38:09 cheren kernel: [146818.176884] [<c013f197>]
__do_softirq+0x97/0x170
Jun 18 21:38:09 cheren kernel: [146818.176891] [<c011c7df>] ?
ack_apic_level+0x6f/0x290
Jun 18 21:38:09 cheren kernel: [146818.176897] [<c013f2cd>]
do_softirq+0x5d/0x60
Jun 18 21:38:09 cheren kernel: [146818.176903] [<c013f445>] irq_exit+0x55/0x90
Jun 18 21:38:09 cheren kernel: [146818.176910] [<c0106853>] do_IRQ+0x83/0xa0
Jun 18 21:38:09 cheren kernel: [146818.176915] [<c01051f3>]
common_interrupt+0x23/0x30
Jun 18 21:38:09 cheren kernel: [146818.176923] [<c0319467>] ?
acpi_idle_enter_bm+0x269/0x2b8
Jun 18 21:38:09 cheren kernel: [146818.176930] [<c040b44f>]
cpuidle_idle_call+0x6f/0xd0
Jun 18 21:38:09 cheren kernel: [146818.176936] [<c010285d>] cpu_idle+0x6d/0xd0
Jun 18 21:38:09 cheren kernel: [146818.176943] [<c04ed07e>] rest_init+0x4e/0x60
Jun 18 21:38:09 cheren kernel: [146818.176947] Mem-Info:
Jun 18 21:38:09 cheren kernel: [146818.176950] DMA per-cpu:
Jun 18 21:38:09 cheren kernel: [146818.176954] CPU 0: hi: 0, btch: 1
usd: 0
Jun 18 21:38:09 cheren kernel: [146818.176958] CPU 1: hi: 0, btch: 1
usd: 0
Jun 18 21:38:09 cheren kernel: [146818.176962] Normal per-cpu:
Jun 18 21:38:09 cheren kernel: [146818.176965] CPU 0: hi: 186, btch: 31
usd: 152
Jun 18 21:38:09 cheren kernel: [146818.176970] CPU 1: hi: 186, btch: 31
usd: 20
Jun 18 21:38:09 cheren kernel: [146818.176973] HighMem per-cpu:
Jun 18 21:38:09 cheren kernel: [146818.176976] CPU 0: hi: 42, btch: 7
usd: 1
Jun 18 21:38:09 cheren kernel: [146818.176980] CPU 1: hi: 42, btch: 7
usd: 7
Jun 18 21:38:09 cheren kernel: [146818.176987] Active_anon:78037
active_file:23834 inactive_anon:80474
Jun 18 21:38:09 cheren kernel: [146818.176990] inactive_file:47545
unevictable:472 dirty:2 writeback:9 unstable:0
Jun 18 21:38:09 cheren kernel: [146818.176992] free:2087 slab:8851
mapped:18148 pagetables:1366 bounce:0
Jun 18 21:38:09 cheren kernel: [146818.177000] DMA free:3472kB min:64kB
low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:4080kB
inactive_file:1000kB unevictable:0kB present:15764kB pages_scanned:0
all_unreclaimable? no
Jun 18 21:38:09 cheren kernel: [146818.177006] lowmem_reserve[]: 0 861 998 998
Jun 18 21:38:09 cheren kernel: [146818.177018] Normal free:3804kB min:3720kB
low:4648kB high:5580kB active_anon:275500kB inactive_anon:275604kB
active_file:66808kB inactive_file:163320kB unevictable:32kB present:881880kB
pages_scanned:0 all_unreclaimable? no
Jun 18 21:38:09 cheren kernel: [146818.177025] lowmem_reserve[]: 0 0 1101 1101
Jun 18 21:38:09 cheren kernel: [146818.177036] HighMem free:1072kB min:136kB
low:284kB high:432kB active_anon:36648kB inactive_anon:46292kB
active_file:24448kB inactive_file:25860kB unevictable:1856kB present:141040kB
pages_scanned:0 all_unreclaimable? no
Jun 18 21:38:09 cheren kernel: [146818.177042] lowmem_reserve[]: 0 0 0 0
Jun 18 21:38:09 cheren kernel: [146818.177050] DMA: 0*4kB 0*8kB 1*16kB 0*32kB
0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3472kB
Jun 18 21:38:09 cheren kernel: [146818.177071] Normal: 781*4kB 0*8kB 0*16kB
0*32kB 1*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3828kB
Jun 18 21:38:09 cheren kernel: [146818.177090] HighMem: 190*4kB 25*8kB 3*16kB
0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1072kB
Jun 18 21:38:09 cheren kernel: [146818.177110] 84195 total pagecache pages
Jun 18 21:38:09 cheren kernel: [146818.177114] 10773 pages in swap cache
Jun 18 21:38:09 cheren kernel: [146818.177118] Swap cache stats: add 79428,
delete 68655, find 515556/516918
Jun 18 21:38:09 cheren kernel: [146818.177122] Free swap = 1116652kB
Jun 18 21:38:09 cheren kernel: [146818.177125] Total swap = 1391000kB
Jun 18 21:38:09 cheren kernel: [146818.180680] 261840 pages RAM
Jun 18 21:38:09 cheren kernel: [146818.180680] 35538 pages HighMem
Jun 18 21:38:09 cheren kernel: [146818.180680] 13659 pages reserved
Jun 18 21:38:09 cheren kernel: [146818.180680] 100919 pages shared
Jun 18 21:38:09 cheren kernel: [146818.180680] 193996 pages non-shared
Jun 18 21:38:10 cheren kernel: [146819.200699] cat: page allocation failure.
order:1, mode:0x4020
Jun 18 21:38:10 cheren kernel: [146819.200707] Pid: 23931, comm: cat Tainted: G
W 2.6.28-13-generic #44-Ubuntu
Jun 18 21:38:10 cheren kernel: [146819.200711] Call Trace:
Jun 18 21:38:10 cheren kernel: [146819.200723] [<c04fca36>] ? printk+0x18/0x1a
Jun 18 21:38:10 cheren kernel: [146819.200732] [<c0194287>]
__alloc_pages_internal+0x387/0x490
Jun 18 21:38:10 cheren kernel: [146819.200739] [<c01943e1>]
__get_free_pages+0x21/0x40
Jun 18 21:38:10 cheren kernel: [146819.200746] [<c01b8c2e>]
__kmalloc_track_caller+0xee/0xf0
Jun 18 21:38:10 cheren kernel: [146819.200764] [<faaf1dde>] ?
ath_rxbuf_alloc+0x2e/0x80 [ath9k]
Jun 18 21:38:10 cheren kernel: [146819.200773] [<c0427ecd>]
__alloc_skb+0x4d/0x110
Jun 18 21:38:10 cheren kernel: [146819.200788] [<faaf1dde>]
ath_rxbuf_alloc+0x2e/0x80 [ath9k]
Jun 18 21:38:10 cheren kernel: [146819.200804] [<faaf2215>]
ath_rx_tasklet+0x345/0x6c0 [ath9k]
Jun 18 21:38:10 cheren kernel: [146819.200821] [<faaef8e6>]
ath9k_tasklet+0x76/0xb0 [ath9k]
Jun 18 21:38:10 cheren kernel: [146819.200828] [<c013ed18>]
tasklet_action+0x78/0x100
Jun 18 21:38:10 cheren kernel: [146819.200835] [<c013f197>]
__do_softirq+0x97/0x170
Jun 18 21:38:10 cheren kernel: [146819.200843] [<c011c7df>] ?
ack_apic_level+0x6f/0x290
Jun 18 21:38:10 cheren kernel: [146819.200849] [<c013f2cd>]
do_softirq+0x5d/0x60
Jun 18 21:38:10 cheren kernel: [146819.200855] [<c013f445>] irq_exit+0x55/0x90
Jun 18 21:38:10 cheren kernel: [146819.200861] [<c0106853>] do_IRQ+0x83/0xa0
Jun 18 21:38:10 cheren kernel: [146819.200868] [<c01051f3>]
common_interrupt+0x23/0x30
Jun 18 21:38:10 cheren kernel: [146819.200875] [<c01d007b>] ?
get_new_inode_fast+0x10b/0x120
Jun 18 21:38:10 cheren kernel: [146819.200882] [<c018e960>] ?
find_get_page+0x80/0xb0
Jun 18 21:38:10 cheren kernel: [146819.200889] [<c018fedf>]
do_generic_file_read+0x9f/0x4c0
Jun 18 21:38:10 cheren kernel: [146819.200895] [<c01903a3>]
generic_file_aio_read+0xa3/0x210
Jun 18 21:38:10 cheren kernel: [146819.200902] [<c018e4d0>] ?
file_read_actor+0x0/0xe0
Jun 18 21:38:10 cheren kernel: [146819.200909] [<c01bd551>]
do_sync_read+0xd1/0x110
Jun 18 21:38:10 cheren kernel: [146819.200917] [<c014ecb0>] ?
autoremove_wake_function+0x0/0x50
Jun 18 21:38:10 cheren kernel: [146819.200926] [<c02a9049>] ?
apparmor_file_permission+0x19/0x40
Jun 18 21:38:10 cheren kernel: [146819.200934] [<c028729f>] ?
security_file_permission+0xf/0x20
Jun 18 21:38:10 cheren kernel: [146819.200940] [<c01bd5e4>] ?
rw_verify_area+0x54/0xd0
Jun 18 21:38:10 cheren kernel: [146819.200946] [<c01bd12d>] ?
fsnotify_modify+0x6d/0x80
Jun 18 21:38:10 cheren kernel: [146819.200953] [<c01bdcd5>] vfs_read+0x95/0x100
Jun 18 21:38:10 cheren kernel: [146819.200958] [<c01bd480>] ?
do_sync_read+0x0/0x110
Jun 18 21:38:10 cheren kernel: [146819.200965] [<c01bddfd>] sys_read+0x3d/0x70
Jun 18 21:38:10 cheren kernel: [146819.200971] [<c0103f6b>]
sysenter_do_call+0x12/0x2f
Jun 18 21:38:10 cheren kernel: [146819.200978] [<c04f0000>] ?
quirk_netmos+0xe/0xbb
Jun 18 21:38:10 cheren kernel: [146819.200982] Mem-Info:
Jun 18 21:38:10 cheren kernel: [146819.200985] DMA per-cpu:
Jun 18 21:38:10 cheren kernel: [146819.200989] CPU 0: hi: 0, btch: 1
usd: 0
Jun 18 21:38:10 cheren kernel: [146819.200993] CPU 1: hi: 0, btch: 1
usd: 0
Jun 18 21:38:10 cheren kernel: [146819.200997] Normal per-cpu:
Jun 18 21:38:10 cheren kernel: [146819.201001] CPU 0: hi: 186, btch: 31
usd: 141
Jun 18 21:38:10 cheren kernel: [146819.201009] CPU 1: hi: 186, btch: 31
usd: 136
Jun 18 21:38:10 cheren kernel: [146819.201013] HighMem per-cpu:
Jun 18 21:38:10 cheren kernel: [146819.201016] CPU 0: hi: 42, btch: 7
usd: 8
Jun 18 21:38:10 cheren kernel: [146819.201019] CPU 1: hi: 42, btch: 7
usd: 4
Jun 18 21:38:10 cheren kernel: [146819.201027] Active_anon:78044
active_file:21871 inactive_anon:80461
Jun 18 21:38:10 cheren kernel: [146819.201029] inactive_file:49326
unevictable:472 dirty:5 writeback:7 unstable:0
Jun 18 21:38:10 cheren kernel: [146819.201031] free:2577 slab:8456
mapped:17732 pagetables:1366 bounce:0
Jun 18 21:38:10 cheren kernel: [146819.201039] DMA free:3472kB min:64kB
low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:4080kB
inactive_file:1000kB unevictable:0kB present:15764kB pages_scanned:0
all_unreclaimable? no
Jun 18 21:38:10 cheren kernel: [146819.201045] lowmem_reserve[]: 0 861 998 998
Jun 18 21:38:10 cheren kernel: [146819.201057] Normal free:5804kB min:3720kB
low:4648kB high:5580kB active_anon:275528kB inactive_anon:275552kB
active_file:58956kB inactive_file:170404kB unevictable:32kB present:881880kB
pages_scanned:0 all_unreclaimable? no
Jun 18 21:38:10 cheren kernel: [146819.201064] lowmem_reserve[]: 0 0 1101 1101
Jun 18 21:38:10 cheren kernel: [146819.201075] HighMem free:1032kB min:136kB
low:284kB high:432kB active_anon:36648kB inactive_anon:46292kB
active_file:24448kB inactive_file:25900kB unevictable:1856kB present:141040kB
pages_scanned:0 all_unreclaimable? no
Jun 18 21:38:10 cheren kernel: [146819.201081] lowmem_reserve[]: 0 0 0 0
Jun 18 21:38:10 cheren kernel: [146819.201089] DMA: 0*4kB 0*8kB 1*16kB 0*32kB
0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3472kB
Jun 18 21:38:10 cheren kernel: [146819.201110] Normal: 1277*4kB 1*8kB 0*16kB
1*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 5788kB
Jun 18 21:38:10 cheren kernel: [146819.201129] HighMem: 176*4kB 25*8kB 3*16kB
0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1016kB
Jun 18 21:38:10 cheren kernel: [146819.201148] 84120 total pagecache pages
Jun 18 21:38:10 cheren kernel: [146819.201152] 10887 pages in swap cache
Jun 18 21:38:10 cheren kernel: [146819.201157] Swap cache stats: add 79545,
delete 68658, find 515556/516918
Jun 18 21:38:10 cheren kernel: [146819.201160] Free swap = 1116184kB
Jun 18 21:38:10 cheren kernel: [146819.201163] Total swap = 1391000kB
Jun 18 21:38:10 cheren kernel: [146819.207183] 261840 pages RAM
Jun 18 21:38:10 cheren kernel: [146819.207188] 35538 pages HighMem
Jun 18 21:38:10 cheren kernel: [146819.207192] 13659 pages reserved
Jun 18 21:38:10 cheren kernel: [146819.207195] 106498 pages shared
Jun 18 21:38:10 cheren kernel: [146819.207199] 187761 pages non-shared
...etc...etc...etc...
--
Heavy I/O causes page allocation failiure in ath9k module
https://bugs.launchpad.net/bugs/385048
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