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SubjectRe: Kernel 2.6.38.6 page allocation failure (ixgbe)
From
Hi,

after enlarging vm.min_free_kbytes to 524288 we survived almost a
week, but today i got this again:

May 16 09:18:13 os03 kernel: [331036.332001] kworker/0:1: page
allocation failure. order:2, mode:0x4020
May 16 09:18:13 os03 kernel: [331036.332005] Pid: 0, comm: kworker/0:1
Tainted: P W 2.6.38.6-1.fits.3.el6.x86_64 #1
May 16 09:18:13 os03 kernel: [331036.332009] Call Trace:
May 16 09:18:13 os03 kernel: [331036.332011] <IRQ>
[<ffffffff81108ce7>] ? __alloc_pages_nodemask+0x6f7/0x8a0
May 16 09:18:13 os03 kernel: [331036.332024] [<ffffffff81146cd2>] ?
kmalloc_large_node+0x62/0xb0
May 16 09:18:13 os03 kernel: [331036.332028] [<ffffffff8114becb>] ?
__kmalloc_node_track_caller+0x15b/0x1d0
May 16 09:18:13 os03 kernel: [331036.332033] [<ffffffff814b06ed>] ?
ip_rcv+0x23d/0x310
May 16 09:18:13 os03 kernel: [331036.332038] [<ffffffff81466f74>] ?
__netdev_alloc_skb+0x24/0x50
May 16 09:18:13 os03 kernel: [331036.332042] [<ffffffff81466713>] ?
__alloc_skb+0x83/0x170
May 16 09:18:13 os03 kernel: [331036.332045] [<ffffffff81466f74>] ?
__netdev_alloc_skb+0x24/0x50
May 16 09:18:13 os03 kernel: [331036.332054] [<ffffffffa0170217>] ?
ixgbe_alloc_rx_buffers+0x2b7/0x370 [ixgbe]
May 16 09:18:13 os03 kernel: [331036.332059] [<ffffffff8108d29d>] ?
sched_clock_cpu+0xcd/0x110
May 16 09:18:13 os03 kernel: [331036.332063] [<ffffffff81474840>] ?
napi_skb_finish+0x50/0x70
May 16 09:18:13 os03 kernel: [331036.332069] [<ffffffffa0172678>] ?
ixgbe_clean_rx_irq+0x828/0x890 [ixgbe]
May 16 09:18:13 os03 kernel: [331036.332076] [<ffffffffa01747cf>] ?
ixgbe_clean_rxtx_many+0x10f/0x220 [ixgbe]
May 16 09:18:13 os03 kernel: [331036.332080] [<ffffffff81474eb2>] ?
net_rx_action+0x102/0x2a0
May 16 09:18:13 os03 kernel: [331036.332084] [<ffffffff8106b745>] ?
__do_softirq+0xb5/0x210
May 16 09:18:13 os03 kernel: [331036.332089] [<ffffffff810c7ca4>] ?
handle_IRQ_event+0x54/0x180
May 16 09:18:13 os03 kernel: [331036.332094] [<ffffffff8100cf3c>] ?
call_softirq+0x1c/0x30
May 16 09:18:13 os03 kernel: [331036.332097] [<ffffffff8100e975>] ?
do_softirq+0x65/0xa0
May 16 09:18:13 os03 kernel: [331036.332100] [<ffffffff8106b605>] ?
irq_exit+0x95/0xa0
May 16 09:18:13 os03 kernel: [331036.332105] [<ffffffff8154a276>] ?
do_IRQ+0x66/0xe0
May 16 09:18:13 os03 kernel: [331036.332108] [<ffffffff81542a53>] ?
ret_from_intr+0x0/0x15
May 16 09:18:13 os03 kernel: [331036.332110] <EOI>
[<ffffffff812db311>] ? intel_idle+0xc1/0x120
May 16 09:18:13 os03 kernel: [331036.332116] [<ffffffff812db2f4>] ?
intel_idle+0xa4/0x120
May 16 09:18:13 os03 kernel: [331036.332121] [<ffffffff8143bca5>] ?
cpuidle_idle_call+0xb5/0x240
May 16 09:18:13 os03 kernel: [331036.332125] [<ffffffff8100aa87>] ?
cpu_idle+0xb7/0x110
May 16 09:18:13 os03 kernel: [331036.332129] [<ffffffff81538ffe>] ?
start_secondary+0x21f/0x221
May 16 09:18:13 os03 kernel: [331036.332131] Mem-Info:
May 16 09:18:13 os03 kernel: [331036.332132] Node 0 DMA per-cpu:
May 16 09:18:13 os03 kernel: [331036.332135] CPU 0: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332137] CPU 1: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332140] CPU 2: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332142] CPU 3: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332144] CPU 4: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332146] CPU 5: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332148] CPU 6: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332150] CPU 7: hi: 0, btch:
1 usd: 0
May 16 09:18:13 os03 kernel: [331036.332152] Node 0 DMA32 per-cpu:
May 16 09:18:13 os03 kernel: [331036.332155] CPU 0: hi: 186, btch:
31 usd: 163
May 16 09:18:13 os03 kernel: [331036.332157] CPU 1: hi: 186, btch:
31 usd: 31
May 16 09:18:13 os03 kernel: [331036.332159] CPU 2: hi: 186, btch:
31 usd: 182
May 16 09:18:13 os03 kernel: [331036.332162] CPU 3: hi: 186, btch:
31 usd: 37
May 16 09:18:13 os03 kernel: [331036.332164] CPU 4: hi: 186, btch:
31 usd: 13
May 16 09:18:13 os03 kernel: [331036.332166] CPU 5: hi: 186, btch:
31 usd: 180
May 16 09:18:13 os03 kernel: [331036.332168] CPU 6: hi: 186, btch:
31 usd: 159
May 16 09:18:13 os03 kernel: [331036.332170] CPU 7: hi: 186, btch:
31 usd: 180
May 16 09:18:13 os03 kernel: [331036.332172] Node 0 Normal per-cpu:
May 16 09:18:13 os03 kernel: [331036.332174] CPU 0: hi: 186, btch:
31 usd: 156
May 16 09:18:13 os03 kernel: [331036.332177] CPU 1: hi: 186, btch:
31 usd: 160
May 16 09:18:13 os03 kernel: [331036.332179] CPU 2: hi: 186, btch:
31 usd: 163
May 16 09:18:13 os03 kernel: [331036.332181] CPU 3: hi: 186, btch:
31 usd: 168
May 16 09:18:13 os03 kernel: [331036.332183] CPU 4: hi: 186, btch:
31 usd: 163
May 16 09:18:13 os03 kernel: [331036.332185] CPU 5: hi: 186, btch:
31 usd: 180
May 16 09:18:13 os03 kernel: [331036.332187] CPU 6: hi: 186, btch:
31 usd: 156
May 16 09:18:13 os03 kernel: [331036.332189] CPU 7: hi: 186, btch:
31 usd: 182
May 16 09:18:13 os03 kernel: [331036.332195] active_anon:389538
inactive_anon:91572 isolated_anon:0
May 16 09:18:13 os03 kernel: [331036.332196] active_file:2597361
inactive_file:2476894 isolated_file:0
May 16 09:18:13 os03 kernel: [331036.332198] unevictable:123699
dirty:66164 writeback:11426 unstable:0
May 16 09:18:13 os03 kernel: [331036.332199] free:254614
slab_reclaimable:53393 slab_unreclaimable:15304
May 16 09:18:13 os03 kernel: [331036.332201] mapped:1251 shmem:91580
pagetables:1404 bounce:0
May 16 09:18:13 os03 kernel: [331036.332203] Node 0 DMA free:15852kB
min:328kB low:408kB high:492kB active_anon:0kB inactive_anon:0kB
active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:15660kB mlocked:0kB dirty:0kB writeback:0kB
mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
May 16 09:18:13 os03 kernel: [331036.332214] lowmem_reserve[]: 0 2991
24201 24201
May 16 09:18:13 os03 kernel: [331036.332217] Node 0 DMA32
free:426948kB min:64764kB low:80952kB high:97144kB
active_anon:135484kB inactive_anon:0kB active_file:1133516kB
inactive_file:1093352kB unevictable:49788kB isolated(anon):0kB
isolated(file):0kB present:3063392kB mlocked:0kB dirty:110436kB
writeback:284kB mapped:432kB shmem:0kB slab_reclaimable:46680kB
slab_unreclaimable:5268kB kernel_stack:152kB pagetables:324kB
unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0
all_unreclaimable? no
May 16 09:18:13 os03 kernel: [331036.332229] lowmem_reserve[]: 0 0 21210 21210
May 16 09:18:13 os03 kernel: [331036.332232] Node 0 Normal
free:575656kB min:459188kB low:573984kB high:688780kB
active_anon:1422668kB inactive_anon:366288kB active_file:9255928kB
inactive_file:8814224kB unevictable:445008kB isolated(anon):0kB
isolated(file):0kB present:21719040kB mlocked:0kB dirty:154220kB
writeback:45420kB mapped:4572kB shmem:366320kB
slab_reclaimable:166892kB slab_unreclaimable:55948kB
kernel_stack:3928kB pagetables:5292kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
May 16 09:18:13 os03 kernel: [331036.332245] lowmem_reserve[]: 0 0 0 0
May 16 09:18:13 os03 kernel: [331036.332248] Node 0 DMA: 1*4kB 1*8kB
0*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB
3*4096kB = 15852kB
May 16 09:18:13 os03 kernel: [331036.332256] Node 0 DMA32: 55808*4kB
24890*8kB 3*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB 1*4096kB = 426496kB
May 16 09:18:13 os03 kernel: [331036.332264] Node 0 Normal: 142372*4kB
49*8kB 67*16kB 48*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB 1*4096kB = 576648kB
May 16 09:18:13 os03 kernel: [331036.332272] 5289868 total pagecache pages
May 16 09:18:13 os03 kernel: [331036.332274] 0 pages in swap cache


Is there any way to further identify which is causing this bug? Any
help appreciated.

Greetings Stefan

On Tue, May 10, 2011 at 9:06 PM, Brandeburg, Jesse
<jesse.brandeburg@intel.com> wrote:
> Adding e1000-devel, our list for the out-of-tree ixgbe driver (the issue is reported below to be in both upstream and out-of-tree)
>
> do you have jumbo frames enabled?
>
> -----Original Message-----
> From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org] On Behalf Of Stefan Majer
> Sent: Tuesday, May 10, 2011 9:03 AM
> To: netdev@vger.kernel.org
> Subject: Kernel 2.6.38.6 page allocation failure (ixgbe)
>
> Hi,
>
> im running 4 nodes with ceph on top of btrfs with a dualport Intel
> X520 10Gb Ethernet Card with the latest 3.3.9 ixgbe driver.
> during benchmarks i get the following stack.
> I can easily reproduce this by simply running rados bench from a fast
> machine using this 4 nodes as ceph cluster.
> We saw this with stock ixgbe driver from 2.6.38.6 and with the latest
> 3.3.9 ixgbe.
> This kernel is tainted because we use fusion-io iodrives as journal
> devices for btrfs.
>
> Any hints to nail this down are welcome.
>
> Greetings Stefan Majer
>
> May 10 15:26:40 os02 kernel: [ 3652.485219] cosd: page allocation
> failure. order:2, mode:0x4020
> May 10 15:26:40 os02 kernel: [ 3652.485223] kswapd0: page allocation
> failure. order:2, mode:0x4020
> May 10 15:26:40 os02 kernel: [ 3652.485228] Pid: 57, comm: kswapd0
> Tainted: P        W   2.6.38.6-1.fits.1.el6.x86_64 #1
> May 10 15:26:40 os02 kernel: [ 3652.485230] Call Trace:
> May 10 15:26:40 os02 kernel: [ 3652.485232]  <IRQ>
> [<ffffffff81108ce7>] ? __alloc_pages_nodemask+0x6f7/0x8a0
> May 10 15:26:40 os02 kernel: [ 3652.485247]  [<ffffffff814b0ad0>] ?
> ip_local_deliver+0x80/0x90
> May 10 15:26:40 os02 kernel: [ 3652.485250] cosd: page allocation
> failure. order:2, mode:0x4020
> May 10 15:26:40 os02 kernel: [ 3652.485256]  [<ffffffff81146cd2>] ?
> kmalloc_large_node+0x62/0xb0
> May 10 15:26:40 os02 kernel: [ 3652.485259] Pid: 1849, comm: cosd
> Tainted: P        W   2.6.38.6-1.fits.1.el6.x86_64 #1
> May 10 15:26:40 os02 kernel: [ 3652.485261] Call Trace:
> May 10 15:26:40 os02 kernel: [ 3652.485264]  [<ffffffff8114becb>] ?
> __kmalloc_node_track_caller+0x15b/0x1d0
> May 10 15:26:40 os02 kernel: [ 3652.485266]  <IRQ>
> [<ffffffff81466f74>] ? __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.485274]  [<ffffffff81108ce7>] ?
> __alloc_pages_nodemask+0x6f7/0x8a0
> May 10 15:26:40 os02 kernel: [ 3652.485277]  [<ffffffff81466713>] ?
> __alloc_skb+0x83/0x170
> May 10 15:26:40 os02 kernel: [ 3652.485281]  [<ffffffff814b0ad0>] ?
> ip_local_deliver+0x80/0x90
> May 10 15:26:40 os02 kernel: [ 3652.485283]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.485287]  [<ffffffff81146cd2>] ?
> kmalloc_large_node+0x62/0xb0
> May 10 15:26:40 os02 kernel: [ 3652.485297]  [<ffffffffa005d9aa>] ?
> ixgbe_alloc_rx_buffers+0x9a/0x450 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.485300]  [<ffffffff8114becb>] ?
> __kmalloc_node_track_caller+0x15b/0x1d0
> May 10 15:26:40 os02 kernel: [ 3652.485305]  [<ffffffff812b79e0>] ?
> swiotlb_map_page+0x0/0x110
> May 10 15:26:40 os02 kernel: [ 3652.485308]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.485315]  [<ffffffffa0060930>] ?
> ixgbe_poll+0x1140/0x1670 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.485318]  [<ffffffff81466713>] ?
> __alloc_skb+0x83/0x170
> May 10 15:26:40 os02 kernel: [ 3652.485323]  [<ffffffff810f33eb>] ?
> perf_pmu_enable+0x2b/0x40
> May 10 15:26:40 os02 kernel: [ 3652.485326]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.485330]  [<ffffffff81474eb2>] ?
> net_rx_action+0x102/0x2a0
> May 10 15:26:40 os02 kernel: [ 3652.485336]  [<ffffffffa005d9aa>] ?
> ixgbe_alloc_rx_buffers+0x9a/0x450 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.485341]  [<ffffffff8106b745>] ?
> __do_softirq+0xb5/0x210
> May 10 15:26:40 os02 kernel: [ 3652.485344]  [<ffffffff81474840>] ?
> napi_skb_finish+0x50/0x70
> May 10 15:26:40 os02 kernel: [ 3652.485348]  [<ffffffff810c7ca4>] ?
> handle_IRQ_event+0x54/0x180
> May 10 15:26:40 os02 kernel: [ 3652.485354]  [<ffffffffa0060930>] ?
> ixgbe_poll+0x1140/0x1670 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.485357]  [<ffffffff8106b7bd>] ?
> __do_softirq+0x12d/0x210
> May 10 15:26:40 os02 kernel: [ 3652.485360]  [<ffffffff810f33eb>] ?
> perf_pmu_enable+0x2b/0x40
> May 10 15:26:40 os02 kernel: [ 3652.485364]  [<ffffffff8100cf3c>] ?
> call_softirq+0x1c/0x30
> May 10 15:26:40 os02 kernel: [ 3652.485367]  [<ffffffff81474eb2>] ?
> net_rx_action+0x102/0x2a0
> May 10 15:26:40 os02 kernel: [ 3652.485369]  [<ffffffff8100e975>] ?
> do_softirq+0x65/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485372]  [<ffffffff8106b745>] ?
> __do_softirq+0xb5/0x210
> May 10 15:26:40 os02 kernel: [ 3652.485375]  [<ffffffff8106b605>] ?
> irq_exit+0x95/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485379]  [<ffffffff810c7ca4>] ?
> handle_IRQ_event+0x54/0x180
> May 10 15:26:40 os02 kernel: [ 3652.485383]  [<ffffffff8154a276>] ?
> do_IRQ+0x66/0xe0
> May 10 15:26:40 os02 kernel: [ 3652.485386]  [<ffffffff8106b7bd>] ?
> __do_softirq+0x12d/0x210
> May 10 15:26:40 os02 kernel: [ 3652.485389]  [<ffffffff81542a53>] ?
> ret_from_intr+0x0/0x15
> May 10 15:26:40 os02 kernel: [ 3652.485391]  <EOI>
> [<ffffffff8100cf3c>] ? call_softirq+0x1c/0x30
> May 10 15:26:40 os02 kernel: [ 3652.485397]  [<ffffffff81110a54>] ?
> shrink_inactive_list+0x164/0x460
> May 10 15:26:40 os02 kernel: [ 3652.485400]  [<ffffffff8100e975>] ?
> do_softirq+0x65/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485404]  [<ffffffff8153facc>] ?
> schedule+0x44c/0xa10
> May 10 15:26:40 os02 kernel: [ 3652.485407]  [<ffffffff8106b605>] ?
> irq_exit+0x95/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485412]  [<ffffffff81109b1a>] ?
> determine_dirtyable_memory+0x1a/0x30
> May 10 15:26:40 os02 kernel: [ 3652.485416]  [<ffffffff8154a276>] ?
> do_IRQ+0x66/0xe0
> May 10 15:26:40 os02 kernel: [ 3652.485419]  [<ffffffff81111453>] ?
> shrink_zone+0x3d3/0x530
> May 10 15:26:40 os02 kernel: [ 3652.485422]  [<ffffffff81542a53>] ?
> ret_from_intr+0x0/0x15
> May 10 15:26:40 os02 kernel: [ 3652.485423]  <EOI>
> [<ffffffff81074a4a>] ? del_timer_sync+0x3a/0x60
> May 10 15:26:40 os02 kernel: [ 3652.485430]  [<ffffffff812a774d>] ?
> copy_user_generic_string+0x2d/0x40
> May 10 15:26:40 os02 kernel: [ 3652.485435]  [<ffffffff811054a5>] ?
> zone_watermark_ok_safe+0xb5/0xd0
> May 10 15:26:40 os02 kernel: [ 3652.485439]  [<ffffffff810ff351>] ?
> iov_iter_copy_from_user_atomic+0x101/0x170
> May 10 15:26:40 os02 kernel: [ 3652.485442]  [<ffffffff81112a69>] ?
> kswapd+0x889/0xb20
> May 10 15:26:40 os02 kernel: [ 3652.485457]  [<ffffffffa026c91d>] ?
> btrfs_copy_from_user+0xcd/0x130 [btrfs]
> May 10 15:26:40 os02 kernel: [ 3652.485460]  [<ffffffff811121e0>] ?
> kswapd+0x0/0xb20
> May 10 15:26:40 os02 kernel: [ 3652.485472]  [<ffffffffa026d844>] ?
> __btrfs_buffered_write+0x1a4/0x330 [btrfs]
> May 10 15:26:40 os02 kernel: [ 3652.485476]  [<ffffffff810862b6>] ?
> kthread+0x96/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485479]  [<ffffffff8117151f>] ?
> file_update_time+0x5f/0x170
> May 10 15:26:40 os02 kernel: [ 3652.485482]  [<ffffffff8100ce44>] ?
> kernel_thread_helper+0x4/0x10
> May 10 15:26:40 os02 kernel: [ 3652.485493]  [<ffffffffa026dc08>] ?
> btrfs_file_aio_write+0x238/0x4e0 [btrfs]
> May 10 15:26:40 os02 kernel: [ 3652.485496]  [<ffffffff81086220>] ?
> kthread+0x0/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.485507]  [<ffffffffa026d9d0>] ?
> btrfs_file_aio_write+0x0/0x4e0 [btrfs]
> May 10 15:26:40 os02 kernel: [ 3652.485511]  [<ffffffff8100ce40>] ?
> kernel_thread_helper+0x0/0x10
> May 10 15:26:40 os02 kernel: [ 3652.485515]  [<ffffffff81158ff3>] ?
> do_sync_readv_writev+0xd3/0x110
> May 10 15:26:40 os02 kernel: [ 3652.485516] Mem-Info:
> May 10 15:26:40 os02 kernel: [ 3652.485519]  [<ffffffff81163d42>] ?
> path_put+0x22/0x30
> May 10 15:26:40 os02 kernel: [ 3652.485521] Node 0 DMA per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485525]  [<ffffffff812584a3>] ?
> selinux_file_permission+0xf3/0x150
> May 10 15:26:40 os02 kernel: [ 3652.485528] CPU    0: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485530] CPU    1: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485534]  [<ffffffff81251583>] ?
> security_file_permission+0x23/0x90
> May 10 15:26:40 os02 kernel: [ 3652.485535] CPU    2: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485538] CPU    3: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485542]  [<ffffffff81159f14>] ?
> do_readv_writev+0xd4/0x1e0
> May 10 15:26:40 os02 kernel: [ 3652.485544] CPU    4: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485547] CPU    5: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485550]  [<ffffffff81540d91>] ?
> mutex_lock+0x31/0x60
> May 10 15:26:40 os02 kernel: [ 3652.485552] CPU    6: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485554] CPU    7: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485557]  [<ffffffff8115a066>] ?
> vfs_writev+0x46/0x60
> May 10 15:26:40 os02 kernel: [ 3652.485558] Node 0 DMA32 per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485562]  [<ffffffff8115a1a1>] ?
> sys_writev+0x51/0xc0
> May 10 15:26:40 os02 kernel: [ 3652.485564] CPU    0: hi:  186, btch:
> 31 usd: 144
> May 10 15:26:40 os02 kernel: [ 3652.485567] CPU    1: hi:  186, btch:
> 31 usd: 198
> May 10 15:26:40 os02 kernel: [ 3652.485571]  [<ffffffff8100c002>] ?
> system_call_fastpath+0x16/0x1b
> May 10 15:26:40 os02 kernel: [ 3652.485573] CPU    2: hi:  186, btch:
> 31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.485574] Mem-Info:
> May 10 15:26:40 os02 kernel: [ 3652.485576] CPU    3: hi:  186, btch:
> 31 usd: 171
> May 10 15:26:40 os02 kernel: [ 3652.485578] Node 0 CPU    4: hi:  186,
> btch:  31 usd: 159
> May 10 15:26:40 os02 kernel: [ 3652.485581] DMA per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485582] CPU    5: hi:  186, btch:
> 31 usd:  69
> May 10 15:26:40 os02 kernel: [ 3652.485585] CPU    0: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485587] CPU    6: hi:  186, btch:
> 31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.485589] CPU    1: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485591] CPU    7: hi:  186, btch:
> 31 usd: 184
> May 10 15:26:40 os02 kernel: [ 3652.485593] CPU    2: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485594] Node 0 CPU    3: hi:    0,
> btch:   1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485597] Normal per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485598] CPU    4: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485600] CPU    0: hi:  186, btch:
> 31 usd: 100
> May 10 15:26:40 os02 kernel: [ 3652.485602] CPU    5: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485604] CPU    1: hi:  186, btch:
> 31 usd:  47
> May 10 15:26:40 os02 kernel: [ 3652.485606] CPU    6: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485608] CPU    2: hi:  186, btch:
> 31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.485610] CPU    7: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.485612] CPU    3: hi:  186, btch:
> 31 usd: 140
> May 10 15:26:40 os02 kernel: [ 3652.485614] Node 0 CPU    4: hi:  186,
> btch:  31 usd: 177
> May 10 15:26:40 os02 kernel: [ 3652.485617] DMA32 per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485618] CPU    5: hi:  186, btch:
> 31 usd:  77
> May 10 15:26:40 os02 kernel: [ 3652.485621] CPU    0: hi:  186, btch:
> 31 usd: 144
> May 10 15:26:40 os02 kernel: [ 3652.485623] CPU    6: hi:  186, btch:
> 31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.485625] CPU    1: hi:  186, btch:
> 31 usd: 198
> May 10 15:26:40 os02 kernel: [ 3652.485627] CPU    7: hi:  186, btch:
> 31 usd:  68
> May 10 15:26:40 os02 kernel: [ 3652.485629] CPU    2: hi:  186, btch:
> 31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.485634] active_anon:255806
> inactive_anon:19454 isolated_anon:0
> May 10 15:26:40 os02 kernel: [ 3652.485636]  active_file:420093
> inactive_file:5180559 isolated_file:0
> May 10 15:26:40 os02 kernel: [ 3652.485637]  unevictable:50582
> dirty:314034 writeback:8484 unstable:0
> May 10 15:26:40 os02 kernel: [ 3652.485639]  free:30074
> slab_reclaimable:35739 slab_unreclaimable:13526
> May 10 15:26:40 os02 kernel: [ 3652.485641]  mapped:3440 shmem:51
> pagetables:1342 bounce:0
> May 10 15:26:40 os02 kernel: [ 3652.485643] CPU    3: hi:  186, btch:
> 31 usd: 171
> May 10 15:26:40 os02 kernel: [ 3652.485644] Node 0 CPU    4: hi:  186,
> btch:  31 usd: 159
> May 10 15:26:40 os02 kernel: [ 3652.485652] DMA free:15852kB min:12kB
> low:12kB high:16kB active_anon:0kB inactive_anon:0kB active_file:0kB
> inactive_file:0kB unevictable:0kB isolated(anon):0kB
> isolated(file):0kB present:15660kB mlocked:0kB dirty:0kB writeback:0kB
> mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
> kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB
> writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
> May 10 15:26:40 os02 kernel: [ 3652.485659] CPU    5: hi:  186, btch:
> 31 usd:  69
> May 10 15:26:40 os02 kernel: [ 3652.485661] lowmem_reserve[]:CPU    6:
> hi:  186, btch:  31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.485663]  0CPU    7: hi:  186,
> btch:  31 usd: 184
> May 10 15:26:40 os02 kernel: [ 3652.485665]  2991Node 0  24201Normal per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.485668]  24201CPU    0: hi:  186,
> btch:  31 usd: 100
> May 10 15:26:40 os02 kernel: [ 3652.485671]
> May 10 15:26:40 os02 kernel: [ 3652.485672] CPU    1: hi:  186, btch:
> 31 usd:  47
> May 10 15:26:40 os02 kernel: [ 3652.485674] Node 0 CPU    2: hi:  186,
> btch:  31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.485682] DMA32 free:85748kB
> min:2460kB low:3072kB high:3688kB active_anon:20480kB
> inactive_anon:5268kB active_file:151588kB inactive_file:2645188kB
> unevictable:72kB isolated(anon):0kB isolated(file):0kB
> present:3063392kB mlocked:0kB dirty:210820kB writeback:0kB
> mapped:648kB shmem:0kB slab_reclaimable:28400kB
> slab_unreclaimable:2152kB kernel_stack:520kB pagetables:100kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.485690] CPU    3: hi:  186, btch:
> 31 usd: 140
> May 10 15:26:40 os02 kernel: [ 3652.485691] lowmem_reserve[]:CPU    4:
> hi:  186, btch:  31 usd: 177
> May 10 15:26:40 os02 kernel: [ 3652.485693]  0CPU    5: hi:  186,
> btch:  31 usd:  77
> May 10 15:26:40 os02 kernel: [ 3652.485696]  0CPU    6: hi:  186,
> btch:  31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.485698]  21210CPU    7: hi:  186,
> btch:  31 usd:  68
> May 10 15:26:40 os02 kernel: [ 3652.485701]  21210active_anon:255806
> inactive_anon:19454 isolated_anon:0
> May 10 15:26:40 os02 kernel: [ 3652.485705]  active_file:420093
> inactive_file:5180559 isolated_file:0
> May 10 15:26:40 os02 kernel: [ 3652.485706]  unevictable:50582
> dirty:314034 writeback:8484 unstable:0
> May 10 15:26:40 os02 kernel: [ 3652.485707]  free:30074
> slab_reclaimable:35739 slab_unreclaimable:13526
> May 10 15:26:40 os02 kernel: [ 3652.485708]  mapped:3440 shmem:51
> pagetables:1342 bounce:0
> May 10 15:26:40 os02 kernel: [ 3652.485709]
> May 10 15:26:40 os02 kernel: [ 3652.485710] Node 0 Node 0 DMA
> free:15852kB min:12kB low:12kB high:16kB active_anon:0kB
> inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
> isolated(anon):0kB isolated(file):0kB present:15660kB mlocked:0kB
> dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB
> slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB
> bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
> May 10 15:26:40 os02 kernel: [ 3652.485724] Normal free:18696kB
> min:17440kB low:21800kB high:26160kB active_anon:1002744kB
> inactive_anon:72548kB active_file:1528784kB inactive_file:18077048kB
> unevictable:202256kB isolated(anon):0kB isolated(file):0kB
> present:21719040kB mlocked:0kB dirty:1045316kB writeback:33936kB
> mapped:13112kB shmem:204kB slab_reclaimable:114556kB
> slab_unreclaimable:51952kB kernel_stack:3768kB pagetables:5268kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:32
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.485731]
> lowmem_reserve[]:lowmem_reserve[]: 0 0 2991 0 24201 0 24201 0
> May 10 15:26:40 os02 kernel: [ 3652.485737]
> May 10 15:26:40 os02 kernel: [ 3652.485738] Node 0 Node 0 DMA32
> free:85748kB min:2460kB low:3072kB high:3688kB active_anon:20480kB
> inactive_anon:5268kB active_file:151588kB inactive_file:2645188kB
> unevictable:72kB isolated(anon):0kB isolated(file):0kB
> present:3063392kB mlocked:0kB dirty:210820kB writeback:0kB
> mapped:648kB shmem:0kB slab_reclaimable:28400kB
> slab_unreclaimable:2152kB kernel_stack:520kB pagetables:100kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.485747] DMA:
> lowmem_reserve[]:1*4kB  01*8kB  00*16kB  212101*32kB  212101*64kB
> May 10 15:26:40 os02 kernel: [ 3652.485754] 1*128kB Node 0 1*256kB
> Normal free:18696kB min:17440kB low:21800kB high:26160kB
> active_anon:1002744kB inactive_anon:72548kB active_file:1528784kB
> inactive_file:18077048kB unevictable:202256kB isolated(anon):0kB
> isolated(file):0kB present:21719040kB mlocked:0kB dirty:1045316kB
> writeback:33936kB mapped:13112kB shmem:204kB slab_reclaimable:114556kB
> slab_unreclaimable:51952kB kernel_stack:3768kB pagetables:5268kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:32
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.485764] 0*512kB
> lowmem_reserve[]:1*1024kB  01*2048kB  03*4096kB  0= 15852kB
> May 10 15:26:40 os02 kernel: [ 3652.485771]  0Node 0
> May 10 15:26:40 os02 kernel: [ 3652.485773] DMA32: Node 0 59*4kB DMA:
> 125*8kB 1*4kB 66*16kB 1*8kB 80*32kB 0*16kB 188*64kB 1*32kB 51*128kB
> 1*64kB 15*256kB 1*128kB 40*512kB 1*256kB 31*1024kB 0*512kB 1*2048kB
> 1*1024kB 1*4096kB 1*2048kB = 85620kB
> May 10 15:26:40 os02 kernel: [ 3652.485789] 3*4096kB Node 0 = 15852kB
> May 10 15:26:40 os02 kernel: [ 3652.485791] Normal: Node 0 3930*4kB
> DMA32: 0*8kB 59*4kB 1*16kB 125*8kB 0*32kB 66*16kB 0*64kB 80*32kB
> 0*128kB 188*64kB 1*256kB 51*128kB 1*512kB 15*256kB 0*1024kB 40*512kB
> 1*2048kB 31*1024kB 0*4096kB 1*2048kB = 18552kB
> May 10 15:26:40 os02 kernel: [ 3652.485807] 1*4096kB 5651289 total
> pagecache pages
> May 10 15:26:40 os02 kernel: [ 3652.485809] = 85620kB
> May 10 15:26:40 os02 kernel: [ 3652.485810] 0 pages in swap cache
> May 10 15:26:40 os02 kernel: [ 3652.485811] Node 0 Swap cache stats:
> add 0, delete 0, find 0/0
> May 10 15:26:40 os02 kernel: [ 3652.485814] Normal: Free swap  = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.485815] 3930*4kB Total swap = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.485817] 0*8kB 1*16kB 0*32kB 0*64kB
> 0*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 18552kB
> May 10 15:26:40 os02 kernel: [ 3652.485822] 5651289 total pagecache pages
> May 10 15:26:40 os02 kernel: [ 3652.485823] 0 pages in swap cache
> May 10 15:26:40 os02 kernel: [ 3652.485824] Swap cache stats: add 0,
> delete 0, find 0/0
> May 10 15:26:40 os02 kernel: [ 3652.485825] Free swap  = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.485826] Total swap = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.486439] kworker/0:1: page
> allocation failure. order:2, mode:0x4020
> May 10 15:26:40 os02 kernel: [ 3652.486443] Pid: 0, comm: kworker/0:1
> Tainted: P        W   2.6.38.6-1.fits.1.el6.x86_64 #1
> May 10 15:26:40 os02 kernel: [ 3652.486446] Call Trace:
> May 10 15:26:40 os02 kernel: [ 3652.486448]  <IRQ>
> [<ffffffff81108ce7>] ? __alloc_pages_nodemask+0x6f7/0x8a0
> May 10 15:26:40 os02 kernel: [ 3652.486459]  [<ffffffff814b0ad0>] ?
> ip_local_deliver+0x80/0x90
> May 10 15:26:40 os02 kernel: [ 3652.486464]  [<ffffffff81146cd2>] ?
> kmalloc_large_node+0x62/0xb0
> May 10 15:26:40 os02 kernel: [ 3652.486468]  [<ffffffff8114becb>] ?
> __kmalloc_node_track_caller+0x15b/0x1d0
> May 10 15:26:40 os02 kernel: [ 3652.486473]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.486476]  [<ffffffff81466713>] ?
> __alloc_skb+0x83/0x170
> May 10 15:26:40 os02 kernel: [ 3652.486479]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3652.486489]  [<ffffffffa005d9aa>] ?
> ixgbe_alloc_rx_buffers+0x9a/0x450 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.486494]  [<ffffffff81474840>] ?
> napi_skb_finish+0x50/0x70
> May 10 15:26:40 os02 kernel: [ 3652.486501]  [<ffffffffa0060930>] ?
> ixgbe_poll+0x1140/0x1670 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3652.486506]  [<ffffffff81013379>] ?
> sched_clock+0x9/0x10
> May 10 15:26:40 os02 kernel: [ 3652.486510]  [<ffffffff81474eb2>] ?
> net_rx_action+0x102/0x2a0
> May 10 15:26:40 os02 kernel: [ 3652.486514]  [<ffffffff8106b745>] ?
> __do_softirq+0xb5/0x210
> May 10 15:26:40 os02 kernel: [ 3652.486520]  [<ffffffff8108aec4>] ?
> hrtimer_interrupt+0x134/0x240
> May 10 15:26:40 os02 kernel: [ 3652.486523]  [<ffffffff8100cf3c>] ?
> call_softirq+0x1c/0x30
> May 10 15:26:40 os02 kernel: [ 3652.486526]  [<ffffffff8100e975>] ?
> do_softirq+0x65/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.486529]  [<ffffffff8106b605>] ?
> irq_exit+0x95/0xa0
> May 10 15:26:40 os02 kernel: [ 3652.486533]  [<ffffffff8154a360>] ?
> smp_apic_timer_interrupt+0x70/0x9b
> May 10 15:26:40 os02 kernel: [ 3652.486536]  [<ffffffff8100c9f3>] ?
> apic_timer_interrupt+0x13/0x20
> May 10 15:26:40 os02 kernel: [ 3652.486538]  <EOI>
> [<ffffffff812db311>] ? intel_idle+0xc1/0x120
> May 10 15:26:40 os02 kernel: [ 3652.486544]  [<ffffffff812db2f4>] ?
> intel_idle+0xa4/0x120
> May 10 15:26:40 os02 kernel: [ 3652.486549]  [<ffffffff8143bca5>] ?
> cpuidle_idle_call+0xb5/0x240
> May 10 15:26:40 os02 kernel: [ 3652.486554]  [<ffffffff8100aa87>] ?
> cpu_idle+0xb7/0x110
> May 10 15:26:40 os02 kernel: [ 3652.486558]  [<ffffffff81538ffe>] ?
> start_secondary+0x21f/0x221
> May 10 15:26:40 os02 kernel: [ 3652.486561] Mem-Info:
> May 10 15:26:40 os02 kernel: [ 3652.486562] Node 0 DMA per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.486564] CPU    0: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486567] CPU    1: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486569] CPU    2: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486571] CPU    3: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486573] CPU    4: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486575] CPU    5: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486578] CPU    6: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486580] CPU    7: hi:    0, btch:
>  1 usd:   0
> May 10 15:26:40 os02 kernel: [ 3652.486581] Node 0 DMA32 per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.486584] CPU    0: hi:  186, btch:
> 31 usd: 144
> May 10 15:26:40 os02 kernel: [ 3652.486586] CPU    1: hi:  186, btch:
> 31 usd: 198
> May 10 15:26:40 os02 kernel: [ 3652.486588] CPU    2: hi:  186, btch:
> 31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.486590] CPU    3: hi:  186, btch:
> 31 usd: 172
> May 10 15:26:40 os02 kernel: [ 3652.486593] CPU    4: hi:  186, btch:
> 31 usd: 159
> May 10 15:26:40 os02 kernel: [ 3652.486595] CPU    5: hi:  186, btch:
> 31 usd:  69
> May 10 15:26:40 os02 kernel: [ 3652.486597] CPU    6: hi:  186, btch:
> 31 usd: 180
> May 10 15:26:40 os02 kernel: [ 3652.486599] CPU    7: hi:  186, btch:
> 31 usd: 184
> May 10 15:26:40 os02 kernel: [ 3652.486601] Node 0 Normal per-cpu:
> May 10 15:26:40 os02 kernel: [ 3652.486603] CPU    0: hi:  186, btch:
> 31 usd: 162
> May 10 15:26:40 os02 kernel: [ 3652.486605] CPU    1: hi:  186, btch:
> 31 usd:  47
> May 10 15:26:40 os02 kernel: [ 3652.486608] CPU    2: hi:  186, btch:
> 31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.486610] CPU    3: hi:  186, btch:
> 31 usd: 141
> May 10 15:26:40 os02 kernel: [ 3652.486612] CPU    4: hi:  186, btch:
> 31 usd: 177
> May 10 15:26:40 os02 kernel: [ 3652.486614] CPU    5: hi:  186, btch:
> 31 usd:  77
> May 10 15:26:40 os02 kernel: [ 3652.486616] CPU    6: hi:  186, btch:
> 31 usd: 168
> May 10 15:26:40 os02 kernel: [ 3652.486618] CPU    7: hi:  186, btch:
> 31 usd: 174
> May 10 15:26:40 os02 kernel: [ 3652.486624] active_anon:255806
> inactive_anon:19454 isolated_anon:0
> May 10 15:26:40 os02 kernel: [ 3652.486625]  active_file:420093
> inactive_file:5180745 isolated_file:0
> May 10 15:26:40 os02 kernel: [ 3652.486627]  unevictable:50582
> dirty:314470 writeback:8484 unstable:0
> May 10 15:26:40 os02 kernel: [ 3652.486628]  free:29795
> slab_reclaimable:35739 slab_unreclaimable:13526
> May 10 15:26:40 os02 kernel: [ 3652.486629]  mapped:3440 shmem:51
> pagetables:1342 bounce:0
> May 10 15:26:40 os02 kernel: [ 3652.486631] Node 0 DMA free:15852kB
> min:12kB low:12kB high:16kB active_anon:0kB inactive_anon:0kB
> active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB
> isolated(file):0kB present:15660kB mlocked:0kB dirty:0kB writeback:0kB
> mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
> kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB
> writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
> May 10 15:26:40 os02 kernel: [ 3652.486642] lowmem_reserve[]: 0 2991 24201 24201
> May 10 15:26:40 os02 kernel: [ 3652.486645] Node 0 DMA32 free:85748kB
> min:2460kB low:3072kB high:3688kB active_anon:20480kB
> inactive_anon:5268kB active_file:151588kB inactive_file:2645188kB
> unevictable:72kB isolated(anon):0kB isolated(file):0kB
> present:3063392kB mlocked:0kB dirty:210820kB writeback:0kB
> mapped:648kB shmem:0kB slab_reclaimable:28400kB
> slab_unreclaimable:2152kB kernel_stack:520kB pagetables:100kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.486657] lowmem_reserve[]: 0 0 21210 21210
> May 10 15:26:40 os02 kernel: [ 3652.486660] Node 0 Normal free:17580kB
> min:17440kB low:21800kB high:26160kB active_anon:1002744kB
> inactive_anon:72548kB active_file:1528784kB inactive_file:18077792kB
> unevictable:202256kB isolated(anon):0kB isolated(file):0kB
> present:21719040kB mlocked:0kB dirty:1047060kB writeback:33936kB
> mapped:13112kB shmem:204kB slab_reclaimable:114556kB
> slab_unreclaimable:51952kB kernel_stack:3768kB pagetables:5268kB
> unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:64
> all_unreclaimable? no
> May 10 15:26:40 os02 kernel: [ 3652.486673] lowmem_reserve[]: 0 0 0 0
> May 10 15:26:40 os02 kernel: [ 3652.486675] Node 0 DMA: 1*4kB 1*8kB
> 0*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB
> 3*4096kB = 15852kB
> May 10 15:26:40 os02 kernel: [ 3652.486684] Node 0 DMA32: 59*4kB
> 125*8kB 66*16kB 80*32kB 188*64kB 51*128kB 15*256kB 40*512kB 31*1024kB
> 1*2048kB 1*4096kB = 85620kB
> May 10 15:26:40 os02 kernel: [ 3652.486692] Node 0 Normal: 3705*4kB
> 12*8kB 16*16kB 4*32kB 1*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB
> 0*4096kB = 18180kB
> May 10 15:26:40 os02 kernel: [ 3652.486700] 5651289 total pagecache pages
> May 10 15:26:40 os02 kernel: [ 3652.486702] 0 pages in swap cache
> May 10 15:26:40 os02 kernel: [ 3652.486704] Swap cache stats: add 0,
> delete 0, find 0/0
> May 10 15:26:40 os02 kernel: [ 3652.486705] Free swap  = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.486707] Total swap = 1048572kB
> May 10 15:26:40 os02 kernel: [ 3652.562795] 6291440 pages RAM
> May 10 15:26:40 os02 kernel: [ 3652.562798] 108688 pages reserved
> May 10 15:26:40 os02 kernel: [ 3652.562799] 5429575 pages shared
> May 10 15:26:40 os02 kernel: [ 3652.562801] 783596 pages non-shared
> May 10 15:26:40 os02 kernel: [ 3652.651570] 6291440 pages RAM
> May 10 15:26:40 os02 kernel: [ 3652.651572] 108688 pages reserved
> May 10 15:26:40 os02 kernel: [ 3652.651573] 5430055 pages shared
> May 10 15:26:40 os02 kernel: [ 3652.651575] 782974 pages non-shared
> May 10 15:26:40 os02 kernel: [ 3652.721553] 6291440 pages RAM
> May 10 15:26:40 os02 kernel: [ 3652.721555] 108688 pages reserved
> May 10 15:26:40 os02 kernel: [ 3652.721556] 5430961 pages shared
> May 10 15:26:40 os02 kernel: [ 3652.721557] 781496 pages non-shared
> May 10 15:26:40 os02 kernel: [ 3654.349865] Pid: 1846, comm: cosd
> Tainted: P        W   2.6.38.6-1.fits.1.el6.x86_64 #1
> May 10 15:26:40 os02 kernel: [ 3654.358792] Call Trace:
> May 10 15:26:40 os02 kernel: [ 3654.361519]  <IRQ>
> [<ffffffff81108ce7>] ? __alloc_pages_nodemask+0x6f7/0x8a0
> May 10 15:26:40 os02 kernel: [ 3654.369495]  [<ffffffff814b0ad0>] ?
> ip_local_deliver+0x80/0x90
> May 10 15:26:40 os02 kernel: [ 3654.376005]  [<ffffffff81146cd2>] ?
> kmalloc_large_node+0x62/0xb0
> May 10 15:26:40 os02 kernel: [ 3654.382703]  [<ffffffff8114becb>] ?
> __kmalloc_node_track_caller+0x15b/0x1d0
> May 10 15:26:40 os02 kernel: [ 3654.390464]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3654.397163]  [<ffffffff81466713>] ?
> __alloc_skb+0x83/0x170
> May 10 15:26:40 os02 kernel: [ 3654.403277]  [<ffffffff81466f74>] ?
> __netdev_alloc_skb+0x24/0x50
> May 10 15:26:40 os02 kernel: [ 3654.409970]  [<ffffffffa005d9aa>] ?
> ixgbe_alloc_rx_buffers+0x9a/0x450 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3654.417926]  [<ffffffff812b79e0>] ?
> swiotlb_map_page+0x0/0x110
> May 10 15:26:40 os02 kernel: [ 3654.424432]  [<ffffffffa0060930>] ?
> ixgbe_poll+0x1140/0x1670 [ixgbe]
> May 10 15:26:40 os02 kernel: [ 3654.431518]  [<ffffffff810f33eb>] ?
> perf_pmu_enable+0x2b/0x40
> May 10 15:26:40 os02 kernel: [ 3654.437924]  [<ffffffff81474eb2>] ?
> net_rx_action+0x102/0x2a0
> May 10 15:26:40 os02 kernel: [ 3654.444329]  [<ffffffff8106b745>] ?
> __do_softirq+0xb5/0x210
> May 10 15:26:40 os02 kernel: [ 3654.450541]  [<ffffffff810c7ca4>] ?
> handle_IRQ_event+0x54/0x180
> May 10 15:26:40 os02 kernel: [ 3654.457138]  [<ffffffff8106b7bd>] ?
> __do_softirq+0x12d/0x210
> May 10 15:26:40 os02 kernel: [ 3654.463446]  [<ffffffff8100cf3c>] ?
> call_softirq+0x1c/0x30
> May 10 15:26:40 os02 kernel: [ 3654.469562]  [<ffffffff8100e975>] ?
> do_softirq+0x65/0xa0
> May 10 15:26:40 os02 kernel: [ 3654.475484]  [<ffffffff8106b605>] ?
> irq_exit+0x95/0xa0
> May 10 15:26:40 os02 kernel: [ 3654.481218]  [<ffffffff8154a276>] ?
> do_IRQ+0x66/0xe0
> May 10 15:26:40 os02 kernel: [ 3654.486754]  [<ffffffff81542a53>] ?
> ret_from_intr+0x0/0x15
> May 10 15:26:40 os02 kernel: [ 3654.492867]  <EOI>
> [<ffffffff81286919>] ? __make_request+0x149/0x4c0
> May 10 15:26:40 os02 kernel: [ 3654.500061]  [<ffffffff812868e4>] ?
> __make_request+0x114/0x4c0
> May 10 15:26:41 os02 kernel: [ 3654.506565]  [<ffffffff812841bd>] ?
> generic_make_request+0x2fd/0x5e0
> May 10 15:26:41 os02 kernel: [ 3654.513649]  [<ffffffff8142742b>] ?
> dm_get_live_table+0x4b/0x60
> May 10 15:26:41 os02 kernel: [ 3654.520248]  [<ffffffff81427bc1>] ?
> dm_merge_bvec+0xc1/0x140
> May 10 15:26:41 os02 kernel: [ 3654.526555]  [<ffffffff81284526>] ?
> submit_bio+0x86/0x110
> May 10 15:26:41 os02 kernel: [ 3654.532574]  [<ffffffff8118deac>] ?
> dio_bio_submit+0xbc/0xc0
> May 10 15:26:41 os02 kernel: [ 3654.538881]  [<ffffffff8118df40>] ?
> dio_send_cur_page+0x90/0xc0
> May 10 15:26:41 os02 kernel: [ 3654.545478]  [<ffffffff8118dfd5>] ?
> submit_page_section+0x65/0x180
> May 10 15:26:41 os02 kernel: [ 3654.552370]  [<ffffffff8118e918>] ?
> __blockdev_direct_IO+0x678/0xb30
> May 10 15:26:41 os02 kernel: [ 3654.559454]  [<ffffffff81250eaf>] ?
> security_inode_getsecurity+0x1f/0x30
> May 10 15:26:41 os02 kernel: [ 3654.566924]  [<ffffffff8118c627>] ?
> blkdev_direct_IO+0x57/0x60
> May 10 15:26:41 os02 kernel: [ 3654.573414]  [<ffffffff8118b760>] ?
> blkdev_get_blocks+0x0/0xc0
> May 10 15:26:41 os02 kernel: [ 3654.579954]  [<ffffffff811008f2>] ?
> generic_file_direct_write+0xc2/0x190
> May 10 15:26:41 os02 kernel: [ 3654.587424]  [<ffffffff811715b6>] ?
> file_update_time+0xf6/0x170
> May 10 15:26:41 os02 kernel: [ 3654.594025]  [<ffffffff811023eb>] ?
> __generic_file_aio_write+0x32b/0x460
> May 10 15:26:41 os02 kernel: [ 3654.601494]  [<ffffffff8105c9e0>] ?
> wake_up_state+0x10/0x20
>
>
>
> and so on.
>
> --
> Stefan Majer
>
>
>
> --
> Stefan Majer
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
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>



--
Stefan Majer
--
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