Hi,
i have a problem about kernel i see these logs in var/log/messages and when this
happens no connections can be done( ftp, ssh,) except for http. I increase the
number of "/proc/sys/net/ipv4/ip_conntrack_max" as i also have the error
"ip_conntrack: table full, dropping packet."
memory usage:
total used free shared buffers cached
Mem: 2075484 2023540 51944 0 16692 1328864
-/+ buffers/cache: 677984 1397500
Swap: 1048568 72 1048496
load average: 0.24, 0.16, 0.24
Error:
Jul 8 10:24:29 kibele kernel: BUG: soft lockup - CPU#3 stuck for 10s!
[ksoftirqd/3:12]
Jul 8 10:24:29 kibele kernel:
Jul 8 10:24:29 kibele kernel: Pid: 12, comm: ksoftirqd/3
Jul 8 10:24:29 kibele kernel: EIP: 0060:[<c0607707>] CPU: 3
Jul 8 10:24:29 kibele kernel: EIP is at __write_lock_failed+0xf/0x20
Jul 8 10:24:29 kibele kernel: EFLAGS: 00000287 Not tainted
(2.6.18-92.1.6.el5 #1)
Jul 8 10:24:29 kibele kernel: EAX: f8a42500 EBX: f8a42500 ECX: eba68e80 EDX:
00000003
Jul 8 10:24:29 kibele kernel: ESI: ed1283f0 EDI: c0724f00 EBP: 0000ea60 DS:
007b ES: 007b
Jul 8 10:24:29 kibele kernel: CR0: 8005003b CR2: 088a7000 CR3: 0a612000 CR4:
000006d0
Jul 8 10:24:29 kibele kernel: [<c0609896>] _write_lock_bh+0x18/0x1a
Jul 8 10:24:29 kibele kernel: [<f8a37be1>] __ip_ct_refresh_acct+0x26/0x129
[ip_conntrack]
Jul 8 10:24:29 kibele kernel: [<f8a3a297>] tcp_packet+0x988/0x9b9
[ip_conntrack]
Jul 8 10:24:29 kibele kernel: [<f8a3776e>] __ip_conntrack_find+0xd/0xb8
[ip_conntrack]
Jul 8 10:24:47 kibele kernel: [<f8a3912c>] ip_conntrack_in+0x340/0x424
[ip_conntrack]
Jul 8 10:24:47 kibele kernel: [<c05c5000>] rt_garbage_collect+0x60/0x293
Jul 8 10:24:47 kibele kernel: [<c05c40e4>] nf_iterate+0x30/0x61
Jul 8 10:24:47 kibele kernel: [<c05cb670>] dst_output+0x0/0x7
Jul 8 10:24:47 kibele kernel: [<c05c420a>] nf_hook_slow+0x3a/0x90
Jul 8 10:24:47 kibele kernel: [<c05cb670>] dst_output+0x0/0x7
Jul 8 10:24:47 kibele kernel: [<c05cdc66>] ip_build_and_send_pkt+0x1c2/0x1e6
Jul 8 10:24:47 kibele kernel: [<c05cb670>] dst_output+0x0/0x7
Jul 8 10:24:47 kibele kernel: [<c05dee2a>] tcp_v4_send_synack+0x96/0xe4
Jul 8 10:24:47 kibele kernel: [<c05e0e35>] tcp_v4_conn_request+0x39b/0x3e6
Jul 8 10:24:47 kibele kernel: [<c05d9529>] tcp_rcv_state_process+0x5d/0xcc5
Jul 8 10:24:47 kibele kernel: [<c05dface>] tcp_v4_do_rcv+0x274/0x2bc
Jul 8 10:24:47 kibele kernel: [<c05e1d7a>] tcp_v4_rcv+0x8dd/0x92f
Jul 8 10:24:47 kibele kernel: [<c05c8fd4>] ip_local_deliver_finish+0x0/0x197
Jul 8 10:24:47 kibele kernel: [<c05c982b>] ip_local_deliver+0x159/0x202
Jul 8 10:24:47 kibele kernel: [<c05c9698>] ip_rcv+0x475/0x4af
Jul 8 10:24:47 kibele kernel: [<c05aeee2>] netif_receive_skb+0x2b1/0x325
Jul 8 10:24:47 kibele kernel: [<f893cea9>] tg3_poll+0x581/0x7c0 [tg3]
Jul 8 10:24:47 kibele kernel: [<c05b0882>] net_rx_action+0x92/0x175
Jul 8 10:24:47 kibele kernel: [<c042a77a>] __do_softirq+0x5a/0xbb
Jul 8 10:24:47 kibele kernel: [<c0407461>] do_softirq+0x52/0x9d
Jul 8 10:24:47 kibele kernel: [<c042a647>] ksoftirqd+0x0/0xd9
Jul 8 10:24:47 kibele kernel: [<c042a6b6>] ksoftirqd+0x6f/0xd9
Jul 8 10:24:47 kibele kernel: [<c0435ebd>] kthread+0xc0/0xeb
Jul 8 10:24:47 kibele kernel: [<c0435dfd>] kthread+0x0/0xeb
Jul 8 10:24:47 kibele kernel: [<c0405c3b>] kernel_thread_helper+0x7/0x10
Jul 8 10:24:47 kibele kernel: =======================
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