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Date: Sun, 17 Feb 2008 13:20:59 +0000 From: "Daniel J Blueman" <daniel.blueman@...il.com> To: "Linux Kernel" <linux-kernel@...r.kernel.org> Subject: Re: [2.6.25-rc2, 2.6.24-rc8] page allocation failure... I'm still hitting this with e1000e on 2.6.25-rc2, 10 times again. It's clearly non-fatal, but then do we expect it to occur? Daniel --- [dmesg] [ 1250.822786] swapper: page allocation failure. order:3, mode:0x4020 [ 1250.822786] Pid: 0, comm: swapper Not tainted 2.6.25-rc2-119 #2 [ 1250.822786] [ 1250.822786] Call Trace: [ 1250.822786] <IRQ> [<ffffffff8025fe9e>] __alloc_pages+0x34e/0x3a0 [ 1250.822786] [<ffffffff8048c6df>] ? __netdev_alloc_skb+0x1f/0x40 [ 1250.822786] [<ffffffff8027acc2>] __slab_alloc+0x102/0x3d0 [ 1250.822786] [<ffffffff8048c6df>] ? __netdev_alloc_skb+0x1f/0x40 [ 1250.822786] [<ffffffff8027b8cb>] __kmalloc_track_caller+0x7b/0xc0 [ 1250.822786] [<ffffffff8048b74f>] __alloc_skb+0x6f/0x160 [ 1250.822786] [<ffffffff8048c6df>] __netdev_alloc_skb+0x1f/0x40 [ 1250.822786] [<ffffffff8042652d>] e1000_alloc_rx_buffers+0x1ed/0x260 [ 1250.822786] [<ffffffff80426b5a>] e1000_clean_rx_irq+0x22a/0x330 [ 1250.822786] [<ffffffff80422981>] e1000_clean+0x1e1/0x540 [ 1250.822786] [<ffffffff8024b7a5>] ? tick_program_event+0x45/0x70 [ 1250.822786] [<ffffffff804930ba>] net_rx_action+0x9a/0x150 [ 1250.822786] [<ffffffff802336b4>] __do_softirq+0x74/0xf0 [ 1250.822786] [<ffffffff8020c5fc>] call_softirq+0x1c/0x30 [ 1250.822786] [<ffffffff8020eaad>] do_softirq+0x3d/0x80 [ 1250.822786] [<ffffffff80233635>] irq_exit+0x85/0x90 [ 1250.822786] [<ffffffff8020eba5>] do_IRQ+0x85/0x100 [ 1250.822786] [<ffffffff8020a5b0>] ? mwait_idle+0x0/0x50 [ 1250.822786] [<ffffffff8020b981>] ret_from_intr+0x0/0xa [ 1250.822786] <EOI> [<ffffffff8020a5f5>] ? mwait_idle+0x45/0x50 [ 1250.822786] [<ffffffff80209a92>] ? enter_idle+0x22/0x30 [ 1250.822786] [<ffffffff8020a534>] ? cpu_idle+0x74/0xa0 [ 1250.822786] [<ffffffff80527825>] ? rest_init+0x55/0x60 [ 1250.822786] [ 1250.822786] Mem-info: [ 1250.822786] DMA per-cpu: [ 1250.822786] CPU 0: hi: 0, btch: 1 usd: 0 [ 1250.822786] CPU 1: hi: 0, btch: 1 usd: 0 [ 1250.822786] DMA32 per-cpu: [ 1250.822786] CPU 0: hi: 186, btch: 31 usd: 179 [ 1250.822786] CPU 1: hi: 186, btch: 31 usd: 159 [ 1250.822786] Active:59792 inactive:67236 dirty:4775 writeback:4779 unstable:0 [ 1250.822786] free:2232 slab:122927 mapped:3846 pagetables:715 bounce:0 [ 1250.822786] DMA free:3984kB min:36kB low:44kB high:52kB active:4kB inactive:560kB present:10076kB pages_scanned:0 all_unreclaimable? no [ 1250.822786] lowmem_reserve[]: 0 992 992 992 [ 1250.822786] DMA32 free:4944kB min:4008kB low:5008kB high:6012kB active:239164kB inactive:268384kB present:1015936kB pages_scanned:0 all_unreclaimable? no [ 1250.822786] lowmem_reserve[]: 0 0 0 0 [ 1250.822786] DMA: 6*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3984kB [ 1250.822786] DMA32: 836*4kB 148*8kB 18*16kB 0*32kB 1*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5008kB [ 1250.822786] 88530 total pagecache pages [ 1250.822786] Swap cache: add 33, delete 32, find 0/0 [ 1250.822786] Free swap = 248872kB [ 1250.822786] Total swap = 248996kB [ 1250.822786] Free swap: 248872kB [ 1250.822786] 261600 pages of RAM [ 1250.822786] 5448 reserved pages [ 1250.822786] 55715 pages shared [ 1250.822786] 1 pages swap cached On Feb 14, 2008 8:40 PM, Daniel J Blueman <daniel.blueman@...il.com> wrote: > One of my x86-64 (1GB) systems experienced order 1 page alloc failure > after ~4 days of uptime and 9 times again in the hours since. > > I understand the behaviour is that the reclaim kthread should have had > a couple of free pages around for this type allocation, but obviously > didn't (a number of times). > > What other information may help with this? > > Daniel > > --- dmesg > swapper: page allocation failure. order:1, mode:0x4020 > Pid: 0, comm: swapper Not tainted 2.6.24-rc8-117 #1 > > Call Trace: > <IRQ> [<ffffffff80258696>] __alloc_pages+0x336/0x390 > [<ffffffff8047e677>] __netdev_alloc_skb+0x17/0x40 > [<ffffffff80272825>] __slab_alloc+0x145/0x3d0 > [<ffffffff8047e677>] __netdev_alloc_skb+0x17/0x40 > [<ffffffff80273526>] __kmalloc_track_caller+0xf6/0x100 > [<ffffffff8047d8cf>] __alloc_skb+0x6f/0x150 > [<ffffffff8047e677>] __netdev_alloc_skb+0x17/0x40 > [<ffffffff8040b3aa>] e1000_alloc_rx_buffers+0x17a/0x3a0 > [<ffffffff804b2643>] ip_local_deliver_finish+0x83/0x1a0 > [<ffffffff8040c00d>] e1000_clean_rx_irq+0x34d/0x550 > [<ffffffff8040b031>] e1000_intr_msi+0x81/0x110 > [<ffffffff8024e5f4>] handle_IRQ_event+0x34/0x70 > [<ffffffff80250229>] handle_edge_irq+0xc9/0x150 > [<ffffffff8020eeab>] do_IRQ+0x7b/0x100 > [<ffffffff8020ad80>] mwait_idle+0x0/0x50 > [<ffffffff8020c011>] ret_from_intr+0x0/0xa > <EOI> [<ffffffff802197a0>] lapic_next_event+0x0/0x10 > [<ffffffff8020adc2>] mwait_idle+0x42/0x50 > [<ffffffff8020ad05>] cpu_idle+0x75/0xa0 > [<ffffffff806a8b3a>] start_kernel+0x25a/0x2e0 > [<ffffffff806a8117>] _sinittext+0x117/0x120 > > Mem-info: > DMA per-cpu: > CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 > CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 > DMA32 per-cpu: > CPU 0: Hot: hi: 186, btch: 31 usd: 155 Cold: hi: 62, btch: 15 usd: 60 > CPU 1: Hot: hi: 186, btch: 31 usd: 14 Cold: hi: 62, btch: 15 usd: 42 > Active:114794 inactive:53917 dirty:8137 writeback:5025 unstable:0 > free:3549 slab:79629 mapped:4643 pagetables:1017 bounce:0 > DMA free:3968kB min:40kB low:48kB high:60kB active:72kB inactive:120kB > present:10236kB pages_scanned:0 all_unreclaimable? no > lowmem_reserve[]: 0 992 992 992 > DMA32 free:10228kB min:4008kB low:5008kB high:6012kB active:459104kB > inactive:215548kB present:1015936kB pages_scanned:0 all_unreclaimable? > no > lowmem_reserve[]: 0 0 0 0 > DMA: 324*4kB 0*8kB 1*16kB 1*32kB 1*64kB 0*128kB 0*256kB 1*512kB > 0*1024kB 1*2048kB 0*4096kB = 3968kB > DMA32: 2378*4kB 1*8kB 1*16kB 1*32kB 0*64kB 1*128kB 0*256kB 1*512kB > 0*1024kB 0*2048kB 0*4096kB = 10208kB > Swap cache: add 750, delete 488, find 196/269, race 0+0 > Free swap = 247720kB > Total swap = 248996kB > Free swap: 247720kB > 261600 pages of RAM > 5401 reserved pages > 55912 pages shared > 262 pages swap cached > > --- /proc/slabinfo > slabinfo - version: 2.1 > # name <active_objs> <num_objs> <objsize> <objperslab> > <pagesperslab> : tunables <limit> <batchcount> <sharedfactor> : > slabdata <active_slabs> <num_slabs> <sharedavail> > rpc_inode_cache 10 10 768 5 1 : tunables 0 0 > 0 : slabdata 2 2 0 > xt_hashlimit 0 0 88 46 1 : tunables 0 0 > 0 : slabdata 0 0 0 > nf_conntrack_expect 18 18 224 18 1 : tunables 0 > 0 0 : slabdata 1 1 0 > nf_conntrack 63 70 280 14 1 : tunables 0 0 > 0 : slabdata 5 5 0 > cfq_io_context 77 78 152 26 1 : tunables 0 0 > 0 : slabdata 3 3 0 > cfq_queue 89 90 136 30 1 : tunables 0 0 > 0 : slabdata 3 3 0 > bsg_cmd 0 0 312 13 1 : tunables 0 0 > 0 : slabdata 0 0 0 > mqueue_inode_cache 9 9 832 9 2 : tunables 0 0 > 0 : slabdata 1 1 0 > xfs_inode 186190 186984 512 8 1 : tunables 0 0 > 0 : slabdata 23373 23373 0 > xfs_efi_item 22 22 352 11 1 : tunables 0 0 > 0 : slabdata 2 2 0 > xfs_efd_item 22 22 360 11 1 : tunables 0 0 > 0 : slabdata 2 2 0 > xfs_buf_item 58 66 184 22 1 : tunables 0 0 > 0 : slabdata 3 3 0 > xfs_da_state 16 16 488 8 1 : tunables 0 0 > 0 : slabdata 2 2 0 > xfs_vnode 186180 186865 576 7 1 : tunables 0 0 > 0 : slabdata 26695 26695 0 > nfsd4_delegations 461 465 272 15 1 : tunables 0 0 > 0 : slabdata 31 31 0 > nfsd4_stateowners 45 45 424 9 1 : tunables 0 0 > 0 : slabdata 5 5 0 > isofs_inode_cache 0 0 576 7 1 : tunables 0 0 > 0 : slabdata 0 0 0 > ext2_inode_cache 0 0 672 6 1 : tunables 0 0 > 0 : slabdata 0 0 0 > journal_handle 340 340 24 170 1 : tunables 0 0 > 0 : slabdata 2 2 0 > journal_head 85 126 96 42 1 : tunables 0 0 > 0 : slabdata 3 3 0 > revoke_table 512 512 16 256 1 : tunables 0 0 > 0 : slabdata 2 2 0 > revoke_record 256 256 32 128 1 : tunables 0 0 > 0 : slabdata 2 2 0 > ext4_inode_cache 0 0 736 5 1 : tunables 0 0 > 0 : slabdata 0 0 0 > ext3_inode_cache 5322 5940 688 11 2 : tunables 0 0 > 0 : slabdata 540 540 0 > kioctx 50 60 384 10 1 : tunables 0 0 > 0 : slabdata 6 6 0 > fasync_cache 340 340 24 170 1 : tunables 0 0 > 0 : slabdata 2 2 0 > shmem_inode_cache 831 835 720 5 1 : tunables 0 0 > 0 : slabdata 167 167 0 > nsproxy 146 146 56 73 1 : tunables 0 0 > 0 : slabdata 2 2 0 > ip_dst_cache 132 132 320 12 1 : tunables 0 0 > 0 : slabdata 11 11 0 > TCP 26 30 1600 5 2 : tunables 0 0 > 0 : slabdata 6 6 0 > eventpoll_pwq 544 560 72 56 1 : tunables 0 0 > 0 : slabdata 10 10 0 > scsi_io_context 0 0 112 36 1 : tunables 0 0 > 0 : slabdata 0 0 0 > blkdev_queue 12 12 1648 4 2 : tunables 0 0 > 0 : slabdata 3 3 0 > blkdev_requests 36 42 288 14 1 : tunables 0 0 > 0 : slabdata 3 3 0 > sock_inode_cache 84 90 640 6 1 : tunables 0 0 > 0 : slabdata 15 15 0 > skbuff_fclone_cache 20 27 448 9 1 : tunables 0 > 0 0 : slabdata 3 3 0 > file_lock_cache 501 506 184 22 1 : tunables 0 0 > 0 : slabdata 23 23 0 > Acpi-Parse 204 204 40 102 1 : tunables 0 0 > 0 : slabdata 2 2 0 > proc_inode_cache 385 392 560 7 1 : tunables 0 0 > 0 : slabdata 56 56 0 > sigqueue 50 50 160 25 1 : tunables 0 0 > 0 : slabdata 2 2 0 > radix_tree_node 13307 16590 560 7 1 : tunables 0 0 > 0 : slabdata 2370 2370 0 > bdev_cache 12 15 768 5 1 : tunables 0 0 > 0 : slabdata 3 3 0 > sysfs_dir_cache 4641 4641 80 51 1 : tunables 0 0 > 0 : slabdata 91 91 0 > inode_cache 71 91 528 7 1 : tunables 0 0 > 0 : slabdata 13 13 0 > dentry 95161 97780 200 20 1 : tunables 0 0 > 0 : slabdata 4889 4889 0 > names_cache 8 8 4096 2 2 : tunables 0 0 > 0 : slabdata 4 4 0 > idr_layer_cache 137 140 536 7 1 : tunables 0 0 > 0 : slabdata 20 20 0 > buffer_head 58093 59748 104 39 1 : tunables 0 0 > 0 : slabdata 1532 1532 0 > mm_struct 64 70 768 5 1 : tunables 0 0 > 0 : slabdata 14 14 0 > vm_area_struct 2462 2592 168 24 1 : tunables 0 0 > 0 : slabdata 108 108 0 > files_cache 75 88 704 11 2 : tunables 0 0 > 0 : slabdata 8 8 0 > signal_cache 109 117 832 9 2 : tunables 0 0 > 0 : slabdata 13 13 0 > sighand_cache 88 90 2112 3 2 : tunables 0 0 > 0 : slabdata 30 30 0 > task_struct 102 108 1808 4 2 : tunables 0 0 > 0 : slabdata 27 27 0 > anon_vma 806 896 32 128 1 : tunables 0 0 > 0 : slabdata 7 7 0 > pid_namespace 0 0 2104 3 2 : tunables 0 0 > 0 : slabdata 0 0 0 > kmalloc-2048 592 624 2048 4 2 : tunables 0 0 > 0 : slabdata 156 156 0 > kmalloc-1024 267 276 1024 4 1 : tunables 0 0 > 0 : slabdata 69 69 0 > kmalloc-512 213 232 512 8 1 : tunables 0 0 > 0 : slabdata 29 29 0 > kmalloc-256 524 656 256 16 1 : tunables 0 0 > 0 : slabdata 41 41 0 > kmalloc-128 932 1152 128 32 1 : tunables 0 0 > 0 : slabdata 36 36 0 > kmalloc-64 27166 31104 64 64 1 : tunables 0 0 > 0 : slabdata 486 486 0 > kmalloc-32 7180 10880 32 128 1 : tunables 0 0 > 0 : slabdata 85 85 0 > kmalloc-16 1886 2816 16 256 1 : tunables 0 0 > 0 : slabdata 11 11 0 > kmalloc-8 2538 2560 8 512 1 : tunables 0 0 > 0 : slabdata 5 5 0 > kmalloc-192 2205 2667 192 21 1 : tunables 0 0 > 0 : slabdata 127 127 0 > kmalloc-96 3024 3192 96 42 1 : tunables 0 0 > 0 : slabdata 76 76 0 > > --- /proc/meminfo > MemTotal: 1024796 kB > MemFree: 55160 kB > Buffers: 12856 kB > Cached: 315856 kB > SwapCached: 1052 kB > Active: 461848 kB > Inactive: 242108 kB > SwapTotal: 248996 kB > SwapFree: 247724 kB > Dirty: 28 kB > Writeback: 0 kB > AnonPages: 375348 kB > Mapped: 18200 kB > Slab: 248164 kB > SReclaimable: 230716 kB > SUnreclaim: 17448 kB > PageTables: 4032 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > CommitLimit: 761392 kB > Committed_AS: 541628 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 264820 kB > VmallocChunk: 34359473499 kB > > --- /proc/zoneinfo > Node 0, zone DMA > pages free 1259 > min 10 > low 12 > high 15 > scanned 0 (a: 2 i: 16) > spanned 4096 > present 2559 > nr_free_pages 1259 > nr_inactive 66 > nr_active 7 > nr_anon_pages 0 > nr_mapped 0 > nr_file_pages 73 > nr_dirty 0 > nr_writeback 0 > nr_slab_reclaimable 1296 > nr_slab_unreclaimable 65 > nr_page_table_pages 0 > nr_unstable 0 > nr_bounce 0 > nr_vmscan_write 787 > protection: (0, 992, 992, 992) > pagesets > cpu: 0 pcp: 0 > count: 0 > high: 0 > batch: 1 > cpu: 0 pcp: 1 > count: 0 > high: 0 > batch: 1 > vm stats threshold: 4 > cpu: 1 pcp: 0 > count: 0 > high: 0 > batch: 1 > cpu: 1 pcp: 1 > count: 0 > high: 0 > batch: 1 > vm stats threshold: 4 > all_unreclaimable: 0 > prev_priority: 12 > start_pfn: 0 > Node 0, zone DMA32 > pages free 12514 > min 1002 > low 1252 > high 1503 > scanned 0 (a: 0 i: 0) > spanned 257504 > present 253984 > nr_free_pages 12514 > nr_inactive 60499 > nr_active 115446 > nr_anon_pages 93837 > nr_mapped 4550 > nr_file_pages 82403 > nr_dirty 7 > nr_writeback 0 > nr_slab_reclaimable 56383 > nr_slab_unreclaimable 4290 > nr_page_table_pages 1008 > nr_unstable 0 > nr_bounce 0 > nr_vmscan_write 7348 > protection: (0, 0, 0, 0) > pagesets > cpu: 0 pcp: 0 > count: 102 > high: 186 > batch: 31 > cpu: 0 pcp: 1 > count: 64 > high: 62 > batch: 15 > vm stats threshold: 16 > cpu: 1 pcp: 0 > count: 102 > high: 186 > batch: 31 > cpu: 1 pcp: 1 > count: 65 > high: 62 > batch: 15 > vm stats threshold: 16 > all_unreclaimable: 0 > prev_priority: 12 > start_pfn: 4096 > -- > Daniel J Blueman > -- Daniel J Blueman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to 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