We use Apache and OCFS2 on 3 servers and at least 2 of them are reporting those swapper page allocation failures.
Machines are HP DL380 G5 with 8GB RAM (DIMM and FB-DIMM on different machines) and OCFS2 on a qlogic fiber attached MSA storage. Example from one machine: Linux web2 2.6.24-24-server #1 SMP Wed Apr 15 16:36:01 UTC 2009 i686 GNU/Linux swapper: page allocation failure. order:1, mode:0x4020 Pid: 0, comm: swapper Not tainted 2.6.24-24-server #1 [<c01785ab>] __alloc_pages+0x2ab/0x380 [<c02dbb89>] ip_local_deliver_finish+0xf9/0x210 [<c0196226>] __slab_alloc+0x186/0x4a0 [<c0197446>] __kmalloc_track_caller+0x106/0x110 [<c02b4d32>] __netdev_alloc_skb+0x22/0x50 [<c02b4d32>] __netdev_alloc_skb+0x22/0x50 [<c02b4125>] __alloc_skb+0x55/0x120 [<c02b4d32>] __netdev_alloc_skb+0x22/0x50 [<f89592c1>] bnx2_poll+0x6f1/0xd10 [bnx2] [<c012d974>] load_balance_fair+0xc4/0x100 [<f8958c00>] bnx2_poll+0x30/0xd10 [bnx2] [<f8958e15>] bnx2_poll+0x245/0xd10 [bnx2] [<c014c024>] getnstimeofday+0x34/0xf0 [<c02bb7ed>] net_rx_action+0x12d/0x210 [<c01498f8>] ktime_get+0x18/0x40 [<c0136e42>] __do_softirq+0x82/0x110 [<c0136f25>] do_softirq+0x55/0x60 [<c013720d>] irq_exit+0x6d/0x80 [<c010a930>] do_IRQ+0x40/0x70 [<c014989e>] ktime_get_ts+0x1e/0x60 [<c0108def>] common_interrupt+0x23/0x28 [<c01062e6>] mwait_idle_with_hints+0x46/0x60 [<c01066c3>] cpu_idle+0x73/0xd0 ======================= 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 Normal per-cpu: CPU 0: Hot: hi: 186, btch: 31 usd: 176 Cold: hi: 62, btch: 15 usd: 57 CPU 1: Hot: hi: 186, btch: 31 usd: 149 Cold: hi: 62, btch: 15 usd: 50 HighMem per-cpu: CPU 0: Hot: hi: 186, btch: 31 usd: 53 Cold: hi: 62, btch: 15 usd: 14 CPU 1: Hot: hi: 186, btch: 31 usd: 181 Cold: hi: 62, btch: 15 usd: 11 Active:486821 inactive:222382 dirty:1086 writeback:43 unstable:0 free:1236121 slab:125422 mapped:5242 pagetables:1068 bounce:0 DMA free:3508kB min:68kB low:84kB high:100kB active:4kB inactive:0kB present:16256kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 873 8874 8874 Normal free:122668kB min:3744kB low:4680kB high:5616kB active:85852kB inactive:111552kB present:894080kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 64008 64008 HighMem free:4818308kB min:512kB low:9096kB high:17684kB active:1861428kB inactive:777976kB present:8193024kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 137*4kB 48*8kB 32*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3492kB Normal: 30507*4kB 1*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 122628kB HighMem: 6664*4kB 14962*8kB 19387*16kB 19951*32kB 10681*64kB 4402*128kB 1783*256kB 819*512kB 323*1024kB 200*2048kB 210*4096kB = 4818304kB Swap cache: add 1, delete 0, find 0/0, race 0+0 Free swap = 1951884kB Total swap = 1951888kB Free swap: 1951884kB 2293759 pages of RAM 2064383 pages of HIGHMEM 216253 reserved pages 341800 pages shared 1 pages swap cached 1086 pages dirty 43 pages writeback 5242 pages mapped 125038 pages slab 1068 pages pagetables -- swapper: page allocation failure https://bugs.launchpad.net/bugs/296275 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs