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Opened 3 years ago

Last modified 3 years ago

#18226 new defect

swapper: page allocation failure: order:0, mode:0x200020

Reported by: anonymous Owned by: developers
Priority: normal Milestone: Barrier Breaker 14.07
Component: base system Version: Trunk
Keywords: Cc:

Description

TL-MR3220 v1 with swap partition on usb stick (a fast one), under load (downloading one torrent at about 500KB/s) the system logged the following (sometimes under the same load it crashes):

Oct 26 00:21:20 2014 kern.warn kernel: [49226.900000]   node 0: slabs: 0, objs: 0, free: 0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] swapper: page allocation failure: order:0, mode:0x200020
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.10.49 #3
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Stack : 00000000 00000000 00000000 00000000 803bce76 00000032 8033f578 00000000
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]         802f5b44 8033f9a3 00000000 803b3a00 8033f578 00000000 00000000 00000000
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]         00000000 80290d44 00000000 801f39b0 00000006 80341274 802f71d4 8032fb3c
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]         00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]         00000000 00000000 00000000 00000000 00000000 00000000 00000000 8032fac8
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]         ...
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Call Trace:
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<80235a38>] show_stack+0x48/0x70
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<802a0650>] warn_alloc_failed+0x108/0x12c
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<80081e48>] __alloc_pages_nodemask+0x3a0/0x634
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<801c7ce8>] new_slab+0xb0/0x2b8
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<8028f94c>] __slab_alloc.isra.73.constprop.77+0x1f4/0x400
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<80198bc4>] kmem_cache_alloc+0x3c/0xec
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<800e7000>] build_skb+0x44/0xc8
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<800bb164>] ag71xx_poll+0x364/0x5e4
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<801c2aac>] net_rx_action+0x10c/0x1e0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<8008f698>] __do_softirq+0xd0/0x1bc
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<8011f8bc>] do_softirq+0x48/0x68
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<8017ee00>] irq_exit+0x54/0x70
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<80060830>] ret_from_irq+0x0/0x4
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<80060a80>] __r4k_wait+0x20/0x40
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<800f96c4>] cpu_startup_entry+0xa4/0x104
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] [<8034c918>] start_kernel+0x394/0x3ac
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Mem-Info:
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Normal per-cpu:
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] CPU    0: hi:    0, btch:   1 usd:   0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] active_anon:734 inactive_anon:790 isolated_anon:0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]  active_file:593 inactive_file:970 isolated_file:0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]  unevictable:0 dirty:1 writeback:728 unstable:0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]  free:94 slab_reclaimable:607 slab_unreclaimable:2453
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]  mapped:186 shmem:0 pagetables:41 bounce:0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]  free_cma:0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Normal free:376kB min:1000kB low:1248kB high:1500kB active_anon:2936kB inactive_anon:3160kB active_file:2372kB inactive_file:3880kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:32768kB managed:28592kB mlocked:0kB dirty:4kB writeback:2912kB mapped:744kB shmem:0kB slab_reclaimable:2428kB slab_unreclaimable:9812kB kernel_stack:280kB pagetables:164kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimablSun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] lowmem_reserve[]: 0 0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Normal: 0*4kB 35*8kB (R) 0*16kB 1*32kB (R) 1*64kB (R) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 376kB
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] 2326 total pagecache pages
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] 763 pages in swap cache
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Swap cache stats: add 171387, delete 170624, find 121681/133150
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Free swap  = 323248kB
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] Total swap = 327676kB
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000] SLUB: Unable to allocate memory on node -1 (gfp=0x20)
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]   cache: files_cache, object size: 192, buffer size: 192, default order: 0, min order: 0
Sun Oct 26 00:21:20 2014 kern.warn kernel: [49227.160000]   node 0: slabs: 0, objs: 0, free: 0
Sun Oct 26 00:21:20 2014 kern.info kernel: [49227.430000] eth0: out of memory
Sun Oct 26 00:21:20 2014 kern.info kernel: [49227.540000] eth0: out of memory

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Change History (1)

comment:1 Changed 3 years ago by anonymous

"page allocation failure" search results - OpenWrt trac

Looks like an Out-Of-Memory (OOM) situation.

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