drbd0_worker: page allocation failure: order:5, mode:0x10
Pid: 1361, comm: drbd0_worker Tainted: G           O 3.2.0-0.bpo.1-amd64 #1
Call Trace:
? warn_alloc_failed+0x10a/0x11d
? __alloc_pages_direct_compact+0xa2/0x15c
? __alloc_pages_nodemask+0x6a6/0x731
? kmem_getpages+0x4b/0x107
? fallback_alloc+0x146/0x1e1
? kmem_cache_alloc_node_trace+0x97/0x115
? __alloc_skb+0x70/0x136
? sk_stream_alloc_skb+0x2a/0xdc
? tcp_sendmsg+0x1b9/0x757
? sock_sendmsg+0x83/0x9b
? release_sock+0x19/0x102
? kernel_sendmsg+0x31/0x3c
? sock_no_sendpage+0x84/0x91
? tcp_sendpage+0x49/0x432
? select_task_rq_fair+0x3c6/0x8c2
? inet_sendpage+0xa1/0xba
? _drbd_send_page+0xe0/0x16a [drbd]
? drbd_send_dblock+0x27d/0x32b [drbd]
? __req_mod+0x850/0x85f [drbd]
? w_send_dblock+0x26/0x3f [drbd]
? drbd_worker+0x23b/0x41a [drbd]
? drbd_thread_setup+0x12b/0x1cc [drbd]
? kernel_thread_helper+0x4/0x10
? _drbd_thread_stop+0x1f3/0x1f3 [drbd]
? gs_change+0x13/0x13
Mem-Info:
Node 0 DMA per-cpu:
CPU    0: hi:    0, btch:   1 usd:   0
CPU    1: hi:    0, btch:   1 usd:   0
CPU    2: hi:    0, btch:   1 usd:   0
CPU    3: hi:    0, btch:   1 usd:   0
CPU    4: hi:    0, btch:   1 usd:   0
CPU    5: hi:    0, btch:   1 usd:   0
CPU    6: hi:    0, btch:   1 usd:   0
CPU    7: hi:    0, btch:   1 usd:   0
Node 0 DMA32 per-cpu:
CPU    0: hi:  186, btch:  31 usd:   0
CPU    1: hi:  186, btch:  31 usd:   0
CPU    2: hi:  186, btch:  31 usd:   0
CPU    3: hi:  186, btch:  31 usd:   0
CPU    4: hi:  186, btch:  31 usd:   0
CPU    5: hi:  186, btch:  31 usd:   0
CPU    6: hi:  186, btch:  31 usd:   0
CPU    7: hi:  186, btch:  31 usd:   0
Node 0 Normal per-cpu:
CPU    0: hi:  186, btch:  31 usd:   0
CPU    1: hi:  186, btch:  31 usd:   0
CPU    2: hi:  186, btch:  31 usd: 185
CPU    3: hi:  186, btch:  31 usd:   0
CPU    4: hi:  186, btch:  31 usd:   0
CPU    5: hi:  186, btch:  31 usd:   8
CPU    6: hi:  186, btch:  31 usd:   0
CPU    7: hi:  186, btch:  31 usd:   0
Node 1 Normal per-cpu:
CPU    0: hi:  186, btch:  31 usd:   0
CPU    1: hi:  186, btch:  31 usd:   0
CPU    2: hi:  186, btch:  31 usd:   0
CPU    3: hi:  186, btch:  31 usd:   0
CPU    4: hi:  186, btch:  31 usd:   0
CPU    5: hi:  186, btch:  31 usd: 139
CPU    6: hi:  186, btch:  31 usd:  30
CPU    7: hi:  186, btch:  31 usd:   0
active_anon:36560 inactive_anon:4937 isolated_anon:0
 active_file:3222222 inactive_file:3142727 isolated_file:0
 unevictable:8819 dirty:22702 writeback:4268 unstable:0
 free:270716 slab_reclaimable:1314306 slab_unreclaimable:74476
 mapped:4805 shmem:7 pagetables:5456 bounce:0
Node 0 DMA free:15892kB min:124kB low:152kB high:184kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15668kB 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
lowmem_reserve[]: 0 3510 16135 16135
Node 0 DMA32 free:742404kB min:28480kB low:35600kB high:42720kB active_anon:1124kB inactive_anon:512kB active_file:64108kB inactive_file:49008kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3595040kB mlocked:0kB dirty:25284kB writeback:0kB mapped:28kB shmem:8kB slab_reclaimable:2502172kB slab_unreclaimable:139536kB kernel_stack:96kB pagetables:628kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:123 all_unreclaimable? no
lowmem_reserve[]: 0 0 12625 12625
Node 0 Normal free:142516kB min:102428kB low:128032kB high:153640kB active_anon:35512kB inactive_anon:6196kB active_file:5392588kB inactive_file:4641312kB unevictable:11304kB isolated(anon):0kB isolated(file):0kB present:12928000kB mlocked:11304kB dirty:1572kB writeback:0kB mapped:6952kB shmem:4kB slab_reclaimable:2190244kB slab_unreclaimable:122460kB kernel_stack:1088kB pagetables:2716kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:182052kB min:131108kB low:163884kB high:196660kB active_anon:109604kB inactive_anon:13040kB active_file:7432192kB inactive_file:7880204kB unevictable:23972kB isolated(anon):0kB isolated(file):0kB present:16547840kB mlocked:23972kB dirty:63952kB writeback:17072kB mapped:12240kB shmem:16kB slab_reclaimable:564808kB slab_unreclaimable:35908kB kernel_stack:1608kB pagetables:18480kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:35 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB 0*8kB 1*16kB 0*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15892kB
Node 0 DMA32: 31171*4kB 34060*8kB 14532*16kB 3125*32kB 198*64kB 1*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 743500kB
Node 0 Normal: 8296*4kB 3482*8kB 1444*16kB 242*32kB 752*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 142960kB
Node 1 Normal: 9286*4kB 6685*8kB 3069*16kB 888*32kB 154*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 182224kB
6368967 total pagecache pages
2339 pages in swap cache
Swap cache stats: add 212589, delete 210250, find 163645948/163674572
Free swap  = 7761768kB
Total swap = 7812092kB
8388592 pages RAM
150707 pages reserved
5641075 pages shared
2331070 pages non-shared