2009/10/28 Marcelo Gondim <gondim@linuxinfo.com.br>
Pessoal volta e meia estou tendo esse problema em um servidor meu CentOS 5.4
que é o Firewall da rede onde o tráfego gira em torno dos 45Mbps
diariamente. Alguém já passou por esses erros e teve alguma solução?

Oct 25 09:40:19 zeus kernel: Pid: 20444, comm:             iptables
Oct 25 09:40:19 zeus kernel: EIP: 0060:[<f8d9c4f5>] CPU: 2
Oct 25 09:40:19 zeus kernel: EIP is at ipt_do_table+0xa2/0x2c9 [ip_tables]
Oct 25 09:40:19 zeus kernel:  EFLAGS: 00200246    Not tainted
(2.6.18-164.el5PAE #1)
Oct 25 09:40:19 zeus kernel: EAX: 00000098 EBX: f4519820 ECX: 00000000 EDX:
ed7a9301
Oct 25 09:40:19 zeus kernel: ESI: f946d688 EDI: f8d4d86c EBP: c073ff04 DS:
007b ES: 007b
Oct 25 09:40:19 zeus kernel: CR0: 8005003b CR2: 101c0024 CR3: 0365ff80 CR4:
000006f0
Oct 25 09:40:19 zeus kernel:  [<f8d4d017>] ipt_route_hook+0x17/0x1c
[iptable_mangle]
Oct 25 09:40:19 zeus kernel:  [<c05d0230>] nf_iterate+0x30/0x61
Oct 25 09:40:19 zeus kernel:  [<c05d920b>] ip_finish_output+0x0/0x1db
Oct 25 09:40:19 zeus kernel:  [<c05d0356>] nf_hook_slow+0x3a/0x90
Oct 25 09:40:20 zeus kernel:  [<c05d920b>] ip_finish_output+0x0/0x1db
Oct 25 09:40:21 zeus kernel:  [<c05da4dc>] ip_output+0x82/0x266
Oct 25 09:40:21 zeus kernel:  [<c05d920b>] ip_finish_output+0x0/0x1db
Oct 25 09:40:22 zeus kernel:  [<c05d6d02>] ip_forward+0x1f4/0x24a
Oct 25 09:40:22 zeus kernel:  [<c05d5b2a>] ip_rcv+0x47f/0x4b9
Oct 25 09:40:23 zeus kernel:  [<c05ba688>] netif_receive_skb+0x34c/0x370
Oct 25 09:40:23 zeus kernel:  [<f8a4b74d>] rtl8169_rx_interrupt+0x463/0x472
[r8169]
Oct 25 09:40:24 zeus kernel:  [<f8a4ced3>] rtl8169_poll+0x38/0x1b9 [r8169]
Oct 25 09:40:24 zeus kernel:  [<c05c91ac>] __qdisc_run+0x13e/0x1d3
Oct 25 09:40:25 zeus kernel:  [<c05bc4c4>] net_rx_action+0x9c/0x1a7
Oct 25 09:40:25 zeus kernel:  [<c04292fb>] __do_softirq+0x87/0x114
Oct 25 09:40:26 zeus kernel:  [<c04073bb>] do_softirq+0x52/0x9c
Oct 25 09:40:29 zeus kernel:  [<c04059d7>] apic_timer_interrupt+0x1f/0x24
Oct 25 09:40:31 zeus kernel:  [<f8d9b14a>] get_counters+0x7b/0xb5
[ip_tables]
Oct 25 09:40:32 zeus kernel:  [<f8d9bf0c>] do_ipt_set_ctl+0x254/0x600
[ip_tables]
Oct 25 09:40:33 zeus kernel:  [<c0415a86>] do_flush_tlb_all+0x0/0x5a
Oct 25 09:40:34 zeus kernel:  [<c0415a86>] do_flush_tlb_all+0x0/0x5a
Oct 25 09:40:37 zeus kernel:  [<c05d0c28>] nf_sockopt+0xac/0xda
Oct 25 09:40:40 zeus kernel:  [<c05d0c7a>] nf_setsockopt+0x11/0x16
Oct 25 09:40:43 zeus kernel:  [<c05db6f6>] ip_setsockopt+0x9f1/0xa10
Oct 25 09:40:45 zeus kernel:  [<c04059d7>] apic_timer_interrupt+0x1f/0x24
Oct 25 09:40:47 zeus kernel:  [<c045953b>]
get_page_from_freelist+0x2bf/0x370
Oct 25 09:40:50 zeus kernel:  [<c0459643>] __alloc_pages+0x57/0x297
Oct 25 09:40:53 zeus kernel:  [<c04674a6>] anon_vma_prepare+0x11/0xa5
Oct 25 09:40:55 zeus kernel:  [<c0461af6>] __handle_mm_fault+0x7a2/0xcfe
Oct 25 09:40:57 zeus kernel:  [<c0463f5a>] vma_adjust+0x19d/0x37b
Oct 25 09:40:58 zeus kernel:  [<c05b2983>] sock_common_setsockopt+0x12/0x16
Oct 25 09:40:59 zeus kernel:  [<c05b1044>] sys_setsockopt+0x76/0x95
Oct 25 09:41:00 zeus kernel:  [<c05b232e>] sys_socketcall+0x15c/0x19e
Oct 25 09:41:01 zeus kernel:  [<c0404f17>] syscall_call+0x7/0xb
Oct 25 09:41:03 zeus kernel:  =======================

Oct 25 19:46:49 zeus kernel: eth1: Detected Tx Unit Hang:
Oct 25 19:46:49 zeus kernel:   TDH                  <c6>
Oct 25 19:46:49 zeus kernel:   TDT                  <b2>
Oct 25 19:46:49 zeus kernel:   next_to_use          <b2>
Oct 25 19:46:49 zeus kernel:   next_to_clean        <c6>
Oct 25 19:46:49 zeus kernel: buffer_info[next_to_clean]:
Oct 25 19:46:49 zeus kernel:   time_stamp           <21abe5d>
Oct 25 19:46:49 zeus kernel:   next_to_watch        <c6>
Oct 25 19:46:49 zeus kernel:   jiffies              <21ac5c8>
Oct 25 19:46:49 zeus kernel:   next_to_watch.status <0>
Oct 25 19:46:51 zeus kernel: eth1: Detected Tx Unit Hang:
Oct 25 19:46:51 zeus kernel:   TDH                  <d1>
Oct 25 19:46:51 zeus kernel:   TDT                  <b2>
Oct 25 19:46:51 zeus kernel:   next_to_use          <b2>
Oct 25 19:46:51 zeus kernel:   next_to_clean        <d1>
Oct 25 19:46:51 zeus kernel: buffer_info[next_to_clean]:
Oct 25 19:46:51 zeus kernel:   time_stamp           <21abe5f>
Oct 25 19:46:51 zeus kernel:   next_to_watch        <d1>
Oct 25 19:46:51 zeus kernel:   jiffies              <21acd98>
Oct 25 19:46:51 zeus kernel:   next_to_watch.status <0>
Oct 25 19:47:19 zeus kernel: eth1: Detected Tx Unit Hang:
Oct 25 19:47:19 zeus kernel:   TDH                  <95>
Oct 25 19:47:19 zeus kernel:   TDT                  <81>
Oct 25 19:47:19 zeus kernel:   next_to_use          <81>
Oct 25 19:47:19 zeus kernel:   next_to_clean        <95>
Oct 25 19:47:19 zeus kernel: buffer_info[next_to_clean]:
Oct 25 19:47:19 zeus kernel:   time_stamp           <21b327b>
Oct 25 19:47:19 zeus kernel:   next_to_watch        <95>
Oct 25 19:47:19 zeus kernel:   jiffies              <21b3af8>
Oct 25 19:47:19 zeus kernel:   next_to_watch.status <0>
Oct 25 19:47:21 zeus kernel: eth1: Detected Tx Unit Hang:
Oct 25 19:47:21 zeus kernel:   TDH                  <a7>
Oct 25 19:47:21 zeus kernel:   TDT                  <93>
Oct 25 19:47:21 zeus kernel:   next_to_use          <93>
Oct 25 19:47:21 zeus kernel:   next_to_clean        <a7>
Oct 25 19:47:21 zeus kernel: buffer_info[next_to_clean]:
Oct 25 19:47:21 zeus kernel:   time_stamp           <21b3280>
Oct 25 19:47:21 zeus kernel:   next_to_watch        <a7>
Oct 25 19:47:21 zeus kernel:   jiffies              <21b42c8>
Oct 25 19:47:21 zeus kernel:   next_to_watch.status <0>

Sugestões:

https://bugzilla.redhat.com/show_bug.cgi?id=513350
https://bugzilla.redhat.com/show_bug.cgi?id=436966
https://bugzilla.redhat.com/show_bug.cgi?id=499355


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