kern.log errors
Just notice these errors in kern.log. What does this means?
Thanks
Apr 16 12:06:46 sirius kernel: nginx: page allocation failure: order:4, mode:0x20
Apr 16 12:06:46 sirius kernel: Pid: 4368, comm: nginx Not tainted 3.0.18-linode43 #1
Apr 16 12:06:46 sirius kernel: Call Trace:
Apr 16 12:06:46 sirius kernel: [<c01962b8>] ? warn_alloc_failed+0x98/0x100
Apr 16 12:06:46 sirius kernel: [<c0196b40>] ? __alloc_pages_nodemask+0x410/0x680
Apr 16 12:06:46 sirius kernel: [<c06d5e21>] ? _raw_spin_unlock_irqrestore+0x11/0x20
Apr 16 12:06:46 sirius kernel: [<c0599702>] ? __nf_ct_refresh_acct+0xc2/0xd0
Apr 16 12:06:46 sirius kernel: [<c01be243>] ? T.837+0xb3/0x2e0
Apr 16 12:06:46 sirius kernel: [<c01be6b6>] ? cache_alloc_refill+0x246/0x290
Apr 16 12:06:46 sirius kernel: [<c01be7bd>] ? __kmalloc+0xbd/0xd0
Apr 16 12:06:46 sirius kernel: [<c055027e>] ? pskb_expand_head+0x12e/0x210
Apr 16 12:06:46 sirius kernel: [<c01bd921>] ? kmem_cache_free+0x41/0x60
Apr 16 12:06:46 sirius kernel: [<c067b32d>] ? packet_rcv_spkt+0xfd/0x140
Apr 16 12:06:46 sirius kernel: [<c05507dd>] ? __pskb_pull_tail+0x4d/0x2b0
Apr 16 12:06:46 sirius kernel: [<c061d9c3>] ? ipv4_confirm+0xf3/0x1b0
Apr 16 12:06:46 sirius kernel: [<c05591bd>] ? dev_hard_start_xmit+0x1dd/0x3e0
Apr 16 12:06:46 sirius kernel: [<c05dde70>] ? ip_finish_output2+0x260/0x260
Apr 16 12:06:46 sirius kernel: [<c05dde70>] ? ip_finish_output2+0x260/0x260
Apr 16 12:06:46 sirius kernel: [<c056d582>] ? sch_direct_xmit+0xb2/0x170
Apr 16 12:06:46 sirius kernel: [<c05594b9>] ? dev_queue_xmit+0xf9/0x320
Apr 16 12:06:46 sirius kernel: [<c05ddfab>] ? ip_finish_output+0x13b/0x300
Apr 16 12:06:46 sirius kernel: [<c05de21a>] ? ip_output+0xaa/0xe0
Apr 16 12:06:46 sirius kernel: [<c05dd3b8>] ? ip_local_out+0x18/0x20
Apr 16 12:06:46 sirius kernel: [<c05f0d85>] ? tcp_transmit_skb+0x385/0x670
Apr 16 12:06:46 sirius kernel: [<c05f37c5>] ? tcp_write_xmit+0x1e5/0x4f0
Apr 16 12:06:46 sirius kernel: [<c0106404>] ? check_events+0x8/0xc
Apr 16 12:06:46 sirius kernel: [<c05f3afd>] ? tcp_push_one+0x2d/0x40
Apr 16 12:06:46 sirius kernel: [<c05e6b20>] ? tcp_sendmsg+0xa40/0xb50
Apr 16 12:06:46 sirius kernel: [<c054f4b8>] ? skb_dequeue+0x48/0x70
Apr 16 12:06:46 sirius kernel: [<c063c1c5>] ? unix_stream_recvmsg+0x4c5/0x5c0
Apr 16 12:06:46 sirius kernel: [<c0604bc7>] ? inet_sendmsg+0x47/0xb0
Apr 16 12:06:46 sirius kernel: [<c0547cfe>] ? sock_aio_write+0x11e/0x170
Apr 16 12:06:46 sirius kernel: [<c0547be0>] ? sock_aio_dtor+0x10/0x10
Apr 16 12:06:46 sirius kernel: [<c01c6cd6>] ? do_sync_readv_writev+0xb6/0xf0
Apr 16 12:06:46 sirius kernel: [<c01c6f56>] ? rw_verify_area+0x66/0x120
Apr 16 12:06:46 sirius kernel: [<c01c745a>] ? do_readv_writev+0xaa/0x1a0
Apr 16 12:06:46 sirius kernel: [<c0547be0>] ? sock_aio_dtor+0x10/0x10
Apr 16 12:06:46 sirius kernel: [<c0159b03>] ? getnstimeofday+0x43/0x100
Apr 16 12:06:46 sirius kernel: [<c01c758e>] ? vfs_writev+0x3e/0x60
Apr 16 12:06:46 sirius kernel: [<c01c76b1>] ? sys_writev+0x41/0xa0
Apr 16 12:06:46 sirius kernel: [<c06d6101>] ? syscall_call+0x7/0xb
Apr 16 12:06:46 sirius kernel: [<c06d0000>] ? init_intel+0xa6/0x294
Apr 16 12:06:46 sirius kernel: Mem-Info:
Apr 16 12:06:46 sirius kernel: DMA per-cpu:
Apr 16 12:06:46 sirius kernel: CPU 0: hi: 0, btch: 1 usd: 0
Apr 16 12:06:46 sirius kernel: CPU 1: hi: 0, btch: 1 usd: 0
Apr 16 12:06:46 sirius kernel: CPU 2: hi: 0, btch: 1 usd: 0
Apr 16 12:06:46 sirius kernel: CPU 3: hi: 0, btch: 1 usd: 0
Apr 16 12:06:46 sirius kernel: Normal per-cpu:
Apr 16 12:06:46 sirius kernel: CPU 0: hi: 186, btch: 31 usd: 111
Apr 16 12:06:46 sirius kernel: CPU 1: hi: 186, btch: 31 usd: 67
Apr 16 12:06:46 sirius kernel: CPU 2: hi: 186, btch: 31 usd: 182
Apr 16 12:06:46 sirius kernel: CPU 3: hi: 186, btch: 31 usd: 56
Apr 16 12:06:46 sirius kernel: active_anon:10700 inactive_anon:29098 isolated_anon:0
Apr 16 12:06:46 sirius kernel: active_file:38076 inactive_file:35029 isolated_file:0
Apr 16 12:06:46 sirius kernel: unevictable:0 dirty:482 writeback:0 unstable:0
Apr 16 12:06:46 sirius kernel: free:2977 slab_reclaimable:4893 slab_unreclaimable:2389
Apr 16 12:06:46 sirius kernel: mapped:8468 shmem:2455 pagetables:428 bounce:0
Apr 16 12:06:46 sirius kernel: DMA free:4728kB min:84kB low:104kB high:124kB active_anon:8kB inactive_anon:8kB active_file:404kB inactive_file:880kB unevictable:0kB isolated(an$
Apr 16 12:06:46 sirius kernel: lowmem_reserve[]: 0 500 500 500
Apr 16 12:06:46 sirius kernel: Normal free:7180kB min:2816kB low:3520kB high:4224kB active_anon:42792kB inactive_anon:116384kB active_file:151900kB inactive_file:139236kB unevi$
Apr 16 12:06:46 sirius kernel: lowmem_reserve[]: 0 0 0 0
Apr 16 12:06:46 sirius kernel: DMA: 227*4kB 166*8kB 86*16kB 31*32kB 2*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4732kB
Apr 16 12:06:46 sirius kernel: Normal: 1087*4kB 352*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 7180kB
Apr 16 12:06:46 sirius kernel: 79439 total pagecache pages
Apr 16 12:06:46 sirius kernel: 3875 pages in swap cache
Apr 16 12:06:46 sirius kernel: Swap cache stats: add 1933400, delete 1929525, find 34239926/34406559
Apr 16 12:06:46 sirius kernel: Free swap = 240336kB
Apr 16 12:06:46 sirius kernel: Total swap = 262140kB
Apr 16 12:06:46 sirius kernel: 133104 pages RAM
Apr 16 12:06:46 sirius kernel: 0 pages HighMem
Apr 16 12:06:46 sirius kernel: 6385 pages reserved
Apr 16 12:06:46 sirius kernel: 37715 pages shared
Apr 16 12:06:46 sirius kernel: 99726 pages non-shared</c06d0000></c06d6101></c01c76b1></c01c758e></c0159b03></c0547be0></c01c745a></c01c6f56></c01c6cd6></c0547be0></c0547cfe></c0604bc7></c063c1c5></c054f4b8></c05e6b20></c05f3afd></c0106404></c05f37c5></c05f0d85></c05dd3b8></c05de21a></c05ddfab></c05594b9></c056d582></c05dde70></c05dde70></c05591bd></c061d9c3></c05507dd></c067b32d></c01bd921></c055027e></c01be7bd></c01be6b6></c01be243></c0599702></c06d5e21></c0196b40></c01962b8>
