Hello, I am using SuSE 9.2 Pro with kernel uname -a: Linux 2.6.8-24.11-smp #1 SMP Fri Jan 14 13:01:26 UTC 2005 x86_64 x86_64 x86_64 GNU/Linux Intel(R) Xeon(TM) CPU 2.80GHz 2 GB RAM 1 GB SWAP and these strange kernel messages keep appearing:: it is a high load machine with iptables running. The /proc/net/ip_conntrack number keeps running higher and does not get less. After a while the maximum is reached. th e only way to solve this is stop iptables, unload the ip modules from the kernel, load them again and start iptables again. Then the messages will not come again. Could it be a kernel bug??? dmesg: swapper: page allocation failure. order:1, mode:0x20 Call Trace:<IRQ> <ffffffff8015ecef>{__alloc_pages+1135} <ffffffff8015e830>{__get_free_pages+16} <ffffffff80162676>{kmem_getpages+38} <ffffffff8031e3ea>{tcp_v4_route_req+250} <ffffffff80162a99>{cache_alloc_refill+665} <ffffffff80162c46>{kmem_cache_alloc+54} <ffffffff802e2f0a>{sk_alloc+58} <ffffffff80323d99>{tcp_create_openreq_child+41} <ffffffff803229e7>{tcp_v4_syn_recv_sock+87} <ffffffff80323b7e>{tcp_check_req+606} <ffffffff8030b4dc>{ip_finish_output+508} <ffffffff80308b90>{ip_dst_output+0} <ffffffff8030b668>{ip_output+216} <ffffffff80308bc8>{ip_dst_output+56} <ffffffff80132f9b>{recalc_task_prio+635} <ffffffff80308b90>{ip_dst_output+0} <ffffffff80132f9b>{recalc_task_prio+635} <ffffffff80133c91>{activate_task+129} <ffffffff80137a89>{autoremove_wake_function+9} <ffffffff80132633>{__wake_up_common+67} <ffffffff80132c13>{__wake_up+67} <ffffffff802e2344>{sock_def_readable+68} <ffffffff80320b79>{tcp_v4_do_rcv+233} <ffffffffa017b034>{:ipt_state:match+36} <ffffffff803214cb>{tcp_v4_rcv+1835} <ffffffff80305fb9>{ip_local_deliver_finish+297} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff803062fe>{ip_local_deliver+622} <ffffffff8030592e>{ip_rcv_finish+574} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff80305e34>{ip_rcv+1188} <ffffffff802e9749>{netif_receive_skb+729} <ffffffffa00e9c9c>{:e1000:e1000_clean+1820} <ffffffff802e85b4>{net_rx_action+132} <ffffffff8013dca1>{__do_softirq+113} <ffffffff8013dd55>{do_softirq+53} <ffffffff80113e3f>{do_IRQ+335} <ffffffff8010f540>{mwait_idle+0} <ffffffff80110cf5>{ret_from_intr+0} <EOI> <ffffffff8010f596>{mwait_idle+86} <ffffffff8010f9ea>{cpu_idle+26} <ffffffff804e971a>{start_kernel+490} <ffffffff804e91e0>{_sinittext+480} swapper: page allocation failure. order:1, mode:0x20 Call Trace:<IRQ> <ffffffff8015ecef>{__alloc_pages+1135} <ffffffff8015e830>{__get_free_pages+16} <ffffffff80162676>{kmem_getpages+38} <ffffffff8031e3ea>{tcp_v4_route_req+250} <ffffffff80162a99>{cache_alloc_refill+665} <ffffffff80162c46>{kmem_cache_alloc+54} <ffffffff802e2f0a>{sk_alloc+58} <ffffffff80323d99>{tcp_create_openreq_child+41} <ffffffff803229e7>{tcp_v4_syn_recv_sock+87} <ffffffff80323b7e>{tcp_check_req+606} <ffffffff8030b4dc>{ip_finish_output+508} <ffffffff80308b90>{ip_dst_output+0} <ffffffff8030b668>{ip_output+216} <ffffffff80308bc8>{ip_dst_output+56} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff80308b90>{ip_dst_output+0} <ffffffff8013340a>{task_rq_lock+74} <ffffffff80133f9b>{try_to_wake_up+747} <ffffffff8030ad6b>{ip_queue_xmit+1211} <ffffffff8013340a>{task_rq_lock+74} <ffffffff8013340a>{task_rq_lock+74} <ffffffff80132633>{__wake_up_common+67} <ffffffff80132c13>{__wake_up+67} <ffffffff80312996>{tcp_ack_saw_tstamp+22} <ffffffff80314d90>{tcp_ack+1040} <ffffffff80320b79>{tcp_v4_do_rcv+233} <ffffffffa017b034>{:ipt_state:match+36} <ffffffff803214cb>{tcp_v4_rcv+1835} <ffffffff80305fb9>{ip_local_deliver_finish+297} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff803062fe>{ip_local_deliver+622} <ffffffff8030592e>{ip_rcv_finish+574} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff80305e34>{ip_rcv+1188} <ffffffff802e9749>{netif_receive_skb+729} <ffffffffa00e9c9c>{:e1000:e1000_clean+1820} <ffffffff80133c91>{activate_task+129} <ffffffff80133f9b>{try_to_wake_up+747} <ffffffff802e85b4>{net_rx_action+132} <ffffffff8013dca1>{__do_softirq+113} <ffffffff8013dd55>{do_softirq+53} <ffffffff80113e3f>{do_IRQ+335} <ffffffff8010f540>{mwait_idle+0} <ffffffff80110cf5>{ret_from_intr+0} <EOI> <ffffffff8010f596>{mwait_idle+86} <ffffffff8010f9ea>{cpu_idle+26} <ffffffff804e971a>{start_kernel+490} <ffffffff804e91e0>{_sinittext+480} swapper: page allocation failure. order:1, mode:0x20 Call Trace:<IRQ> <ffffffff8015ecef>{__alloc_pages+1135} <ffffffff8015e830>{__get_free_pages+16} <ffffffff80162676>{kmem_getpages+38} <ffffffff8031e3ea>{tcp_v4_route_req+250} <ffffffff80162a99>{cache_alloc_refill+665} <ffffffff80162c46>{kmem_cache_alloc+54} <ffffffff802e2f0a>{sk_alloc+58} <ffffffff80323d99>{tcp_create_openreq_child+41} <ffffffff803229e7>{tcp_v4_syn_recv_sock+87} <ffffffff80323b7e>{tcp_check_req+606} <ffffffff8030b4dc>{ip_finish_output+508} <ffffffff80308b90>{ip_dst_output+0} <ffffffff8030b668>{ip_output+216} <ffffffff80308bc8>{ip_dst_output+56} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff80308b90>{ip_dst_output+0} <ffffffff80132f9b>{recalc_task_prio+635} <ffffffff80133c91>{activate_task+129} <ffffffff8013340a>{task_rq_lock+74} <ffffffff80132633>{__wake_up_common+67} <ffffffff80313e1b>{tcp_fastretrans_alert+859} <ffffffff8031536d>{tcp_ack+2541} <ffffffff80320b79>{tcp_v4_do_rcv+233} <ffffffffa017b034>{:ipt_state:match+36} <ffffffff803214cb>{tcp_v4_rcv+1835} <ffffffff80305fb9>{ip_local_deliver_finish+297} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff80305e90>{ip_local_deliver_finish+0} <ffffffff803062fe>{ip_local_deliver+622} <ffffffff8030592e>{ip_rcv_finish+574} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff802f3a43>{nf_hook_slow+195} <ffffffff803056f0>{ip_rcv_finish+0} <ffffffff80305e34>{ip_rcv+1188} <ffffffff802e9749>{netif_receive_skb+729} <ffffffffa00e9c9c>{:e1000:e1000_clean+1820} <ffffffff80132c13>{__wake_up+67} <ffffffff802e85b4>{net_rx_action+132} <ffffffff8013dca1>{__do_softirq+113} <ffffffff8013dd55>{do_softirq+53} <ffffffff80113e3f>{do_IRQ+335} <ffffffff8010f540>{mwait_idle+0} <ffffffff80110cf5>{ret_from_intr+0} <EOI> <ffffffff8010f596>{mwait_idle+86} <ffffffff8010f9ea>{cpu_idle+26} <ffffffff804e971a>{start_kernel+490} <ffffffff804e91e0>{_sinittext+480} - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html