Hi, I have a similar problem. Not too much load I think. Only some big rsync running (heavy NET and HDD load) and some normal work on desktop (desktop was slow)... My dist is Sid architecture i386, kernel is amd64. Linux bobek 2.6.37-2-amd64 #1 SMP Sun Feb 27 12:32:01 UTC 2011 x86_64 GNU/Linux Five times the message block: Mar 17 13:30:46 bobek kernel: [18580.109862] kworker/0:0: page allocation failure. order:0, mode:0x4020 Mar 17 13:30:46 bobek kernel: [18580.109871] Pid: 0, comm: kworker/0:0 Tainted: P 2.6.37-2-amd64 #1 Mar 17 13:30:46 bobek kernel: [18580.109875] Call Trace: Mar 17 13:30:46 bobek kernel: [18580.109878] <IRQ> [<ffffffff810bb259>] ? __alloc_pages_nodemask+0x6a6/0x72c Mar 17 13:30:46 bobek kernel: [18580.109897] [<ffffffff810e3b7d>] ? alloc_pages_current+0x9f/0xc2 Mar 17 13:30:46 bobek kernel: [18580.109903] [<ffffffff810eb09d>] ? new_slab+0x60/0x1ab Mar 17 13:30:46 bobek kernel: [18580.109909] [<ffffffff810eb829>] ? __slab_alloc+0x274/0x335 Mar 17 13:30:46 bobek kernel: [18580.109915] [<ffffffff8125fc4c>] ? __netdev_alloc_skb+0x15/0x2f Mar 17 13:30:46 bobek kernel: [18580.109921] [<ffffffff8125fc4c>] ? __netdev_alloc_skb+0x15/0x2f Mar 17 13:30:46 bobek kernel: [18580.109926] [<ffffffff810ebcc9>] ? __kmalloc_node_track_caller+0xcc/0x12a Mar 17 13:30:46 bobek kernel: [18580.109932] [<ffffffff8125f4c7>] ? __alloc_skb+0x72/0x12e Mar 17 13:30:46 bobek kernel: [18580.109937] [<ffffffff8125fc4c>] ? __netdev_alloc_skb+0x15/0x2f Mar 17 13:30:46 bobek kernel: [18580.109992] [<ffffffffa021680a>] ? tg3_alloc_rx_skb+0x93/0x119 [tg3] Mar 17 13:30:46 bobek kernel: [18580.110010] [<ffffffffa021b718>] ? tg3_poll_work+0x427/0xa94 [tg3] Mar 17 13:30:46 bobek kernel: [18580.110028] [<ffffffffa021beb2>] ? tg3_poll+0x8f/0x1a8 [tg3] Mar 17 13:30:46 bobek kernel: [18580.110035] [<ffffffff8121e9d2>] ? mix_pool_bytes_extract+0x59/0x154 Mar 17 13:30:46 bobek kernel: [18580.110041] [<ffffffff81269bdc>] ? net_rx_action+0xa8/0x206 Mar 17 13:30:46 bobek kernel: [18580.110049] [<ffffffff8104ca5d>] ? __do_softirq+0xcf/0x1b6 Mar 17 13:30:46 bobek kernel: [18580.110055] [<ffffffff81091507>] ? handle_IRQ_event+0xf4/0x10a Mar 17 13:30:46 bobek kernel: [18580.110061] [<ffffffff8100a91c>] ? call_softirq+0x1c/0x30 Mar 17 13:30:46 bobek kernel: [18580.110066] [<ffffffff8100beff>] ? do_softirq+0x3f/0x79 Mar 17 13:30:46 bobek kernel: [18580.110072] [<ffffffff8104c8f5>] ? irq_exit+0x36/0x79 Mar 17 13:30:46 bobek kernel: [18580.110077] [<ffffffff8100b65a>] ? do_IRQ+0x9f/0xb5 Mar 17 13:30:46 bobek kernel: [18580.110084] [<ffffffff8131a3d3>] ? ret_from_intr+0x0/0x11 Mar 17 13:30:46 bobek kernel: [18580.110087] <EOI> [<ffffffffa04a006a>] ? acpi_idle_enter_simple+0xd4/0x106 [processor] Mar 17 13:30:46 bobek kernel: [18580.110114] [<ffffffffa04a0063>] ? acpi_idle_enter_simple+0xcd/0x106 [processor] Mar 17 13:30:46 bobek kernel: [18580.110121] [<ffffffff8124fd66>] ? cpuidle_idle_call+0xa2/0x108 Mar 17 13:30:46 bobek kernel: [18580.110127] [<ffffffff81008bcb>] ? cpu_idle+0xb2/0x124 Mar 17 13:30:46 bobek kernel: [18580.110132] [<ffffffff813132bc>] ? start_secondary+0x1e5/0x1eb Mar 17 13:30:46 bobek kernel: [18580.110136] Mem-Info: Mar 17 13:30:46 bobek kernel: [18580.110139] Node 0 DMA per-cpu: Mar 17 13:30:46 bobek kernel: [18580.110143] CPU 0: hi: 0, btch: 1 usd: 0 Mar 17 13:30:46 bobek kernel: [18580.110148] CPU 1: hi: 0, btch: 1 usd: 0 Mar 17 13:30:46 bobek kernel: [18580.110150] Node 0 DMA32 per-cpu: Mar 17 13:30:46 bobek kernel: [18580.110155] CPU 0: hi: 186, btch: 31 usd: 41 Mar 17 13:30:46 bobek kernel: [18580.110159] CPU 1: hi: 186, btch: 31 usd: 51 Mar 17 13:30:46 bobek kernel: [18580.110169] active_anon:101261 inactive_anon:37651 isolated_anon:1 Mar 17 13:30:46 bobek kernel: [18580.110171] active_file:66626 inactive_file:263690 isolated_file:67 Mar 17 13:30:46 bobek kernel: [18580.110173] unevictable:932 dirty:179311 writeback:10721 unstable:0 Mar 17 13:30:46 bobek kernel: [18580.110174] free:2538 slab_reclaimable:24948 slab_unreclaimable:7017 Mar 17 13:30:46 bobek kernel: [18580.110176] mapped:12595 shmem:884 pagetables:1116 bounce:0 Mar 17 13:30:46 bobek kernel: [18580.110181] Node 0 DMA free:8032kB min:40kB low:48kB high:60kB active_anon:404kB inactive_anon:656kB active_file:180kB inactive_file:5236kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15684kB mlocked:0kB dirty:4932kB writeback:304kB mapped:0kB shmem:0kB slab_reclaimable:260kB slab_unreclaimable:1076kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Mar 17 13:30:46 bobek kernel: [18580.110200] lowmem_reserve[]: 0 2002 2002 2002 Mar 17 13:30:46 bobek kernel: [18580.110207] Node 0 DMA32 free:2120kB min:5704kB low:7128kB high:8556kB active_anon:404640kB inactive_anon:149948kB active_file:266324kB inactive_file:1049524kB unevictable:3728kB isolated(anon):4kB isolated(file):268kB present:2050652kB mlocked:3728kB dirty:712312kB writeback:42580kB mapped:50380kB shmem:3536kB slab_reclaimable:99532kB slab_unreclaimable:26992kB kernel_stack:2312kB pagetables:4464kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:6298 all_unreclaimable? no Mar 17 13:30:46 bobek kernel: [18580.110227] lowmem_reserve[]: 0 0 0 0 Mar 17 13:30:46 bobek kernel: [18580.110234] Node 0 DMA: 18*4kB 17*8kB 17*16kB 8*32kB 4*64kB 3*128kB 2*256kB 4*512kB 2*1024kB 1*2048kB 0*4096kB = 8032kB Mar 17 13:30:46 bobek kernel: [18580.110250] Node 0 DMA32: 224*4kB 35*8kB 21*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 2056kB Mar 17 13:30:46 bobek kernel: [18580.110266] 331842 total pagecache pages Mar 17 13:30:46 bobek kernel: [18580.110269] 11 pages in swap cache Mar 17 13:30:46 bobek kernel: [18580.110273] Swap cache stats: add 11, delete 0, find 1/1 Mar 17 13:30:46 bobek kernel: [18580.110276] Free swap = 4194256kB Mar 17 13:30:46 bobek kernel: [18580.110279] Total swap = 4194300kB Mar 17 13:30:46 bobek kernel: [18580.113853] 523850 pages RAM Mar 17 13:30:46 bobek kernel: [18580.113853] 8870 pages reserved Mar 17 13:30:46 bobek kernel: [18580.113853] 358499 pages shared Mar 17 13:30:46 bobek kernel: [18580.113853] 207857 pages non-shared Mar 17 13:30:46 bobek kernel: [18580.113853] SLUB: Unable to allocate memory on node -1 (gfp=0x20) Mar 17 13:30:46 bobek kernel: [18580.113853] cache: kmalloc-4096, object size: 4096, buffer size: 4096, default order: 3, min order: 0 Mar 17 13:30:46 bobek kernel: [18580.113853] node 0: slabs: 205, objs: 1605, free: 0 Attached is also atop log converted into ASCII (2 samples around a problem only). My hardware is Dell Latitude D830 notebook. -- Zito
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