Prezados,
possuo um servidor que tinha o Red Hat 9 instalado rodando proxy e named. Eventualmente este servidor travava. Acabei por instalar o Mandrake 10 neste servidor e a instabilidade diminuiu, no entanto eventualmente o mesmo trava, mas em algumas ocasi�es surgem mensagens de "kernel BUG", que ora matam o squid (mas ele volta automaticamente) e ora matam o named (que n�o volta automaticamente). Quando o servidor trava completamente, nada � logado.
Envio abaixo a transcri��o das mensagens obtidas.
Ser� um problema de hardware? Este server possui duas placas de rede 3Com 905 e um onboard Sis que n�o � utilizada.
Mais uma vez grato,
Bruno
==================================================================
Apr 14 13:40:37 server kernel: ------------[ cut here ]------------
Apr 14 13:40:37 server kernel: kernel BUG at net/core/dev.c:1207!
Apr 14 13:40:37 server kernel: invalid operand: 0000 [#2]
Apr 14 13:40:37 server kernel: CPU: 0
Apr 14 13:40:37 server kernel: EIP: 0060:[skb_checksum_help+27/144] Not tainted VLI
Apr 14 13:40:37 server kernel: EIP: 0060:[<c0260b5b>] Not tainted VLI
Apr 14 13:40:37 server kernel: EFLAGS: 00010212
Apr 14 13:40:37 server kernel: EIP is at skb_checksum_help+0x1b/0x90
Apr 14 13:40:37 server kernel: eax: 00000046 ebx: c6ad8ec0 ecx: 03587e70 edx: cb24a7c0
Apr 14 13:40:37 server kernel: esi: c3618010 edi: cb9d8000 ebp: cbc31be4 esp: cbc31bd8
Apr 14 13:40:37 server kernel: ds: 007b es: 007b ss: 0068
Apr 14 13:40:37 server kernel: Process named (pid: 1029, threadinfo=cbc30000 task=cc0c9340)
Apr 14 13:40:37 server kernel: Stack: c3618010 00000003 cb9d8000 cbc31c04 c0269f41 c6ad8ec0 00000000 cb24a7c0
Apr 14 13:40:37 server kernel: c3618010 00000040 c6ad8ec0 cbc31c48 c027c3bd 00000002 00000003 c6ad8ec0
Apr 14 13:40:37 server kernel: 00000000 cb9d8000 c027c810 80000000 00000014 00000040 c6b9fe80 00000000
Apr 14 13:40:37 server kernel: Call Trace:
Apr 14 13:40:37 server kernel: [nf_hook_slow+161/240] nf_hook_slow+0xa1/0xf0
Apr 14 13:40:37 server kernel: [<c0269f41>] nf_hook_slow+0xa1/0xf0
Apr 14 13:40:37 server kernel: [ip_push_pending_frames+845/1040] ip_push_pending_frames+0x34d/0x410
Apr 14 13:40:37 server kernel: [<c027c3bd>] ip_push_pending_frames+0x34d/0x410
Apr 14 13:40:37 server kernel: [dst_output+0/48] dst_output+0x0/0x30
Apr 14 13:40:37 server kernel: [<c027c810>] dst_output+0x0/0x30
Apr 14 13:40:37 server kernel: [udp_push_pending_frames+417/624] udp_push_pending_frames+0x1a1/0x270
Apr 14 13:40:37 server kernel: [<c02982c1>] udp_push_pending_frames+0x1a1/0x270
Apr 14 13:40:37 server kernel: [udp_sendmsg+1424/1632] udp_sendmsg+0x590/0x660
Apr 14 13:40:37 server kernel: [<c0298970>] udp_sendmsg+0x590/0x660
Apr 14 13:40:37 server kernel: [inet_sendmsg+58/80] inet_sendmsg+0x3a/0x50
Apr 14 13:40:37 server kernel: [<c029f9ca>] inet_sendmsg+0x3a/0x50
Apr 14 13:40:37 server kernel: [sock_sendmsg+129/176] sock_sendmsg+0x81/0xb0
Apr 14 13:40:37 server kernel: [<c0259491>] sock_sendmsg+0x81/0xb0
Apr 14 13:40:37 server kernel: [sock_recvmsg+136/192] sock_recvmsg+0x88/0xc0
Apr 14 13:40:37 server kernel: [<c0259548>] sock_recvmsg+0x88/0xc0
Apr 14 13:40:37 server kernel: [__wake_up_common+38/80] __wake_up_common+0x26/0x50
Apr 14 13:40:37 server kernel: [<c011ff06>] __wake_up_common+0x26/0x50
Apr 14 13:40:37 server kernel: [__wake_up+17/32] __wake_up+0x11/0x20
Apr 14 13:40:37 server kernel: [<c011ff41>] __wake_up+0x11/0x20
Apr 14 13:40:37 server kernel: [move_addr_to_kernel+66/128] move_addr_to_kernel+0x42/0x80
Apr 14 13:40:37 server kernel: [<c0258fa2>] move_addr_to_kernel+0x42/0x80
Apr 14 13:40:37 server kernel: [verify_iovec+81/208] verify_iovec+0x51/0xd0
Apr 14 13:40:37 server kernel: [<c025e0c1>] verify_iovec+0x51/0xd0
Apr 14 13:40:37 server kernel: [sys_sendmsg+458/720] sys_sendmsg+0x1ca/0x2d0
Apr 14 13:40:37 server kernel: [<c025a96a>] sys_sendmsg+0x1ca/0x2d0
Apr 14 13:40:37 server kernel: [recalc_task_prio+156/512] recalc_task_prio+0x9c/0x200
Apr 14 13:40:37 server kernel: [<c011ed3c>] recalc_task_prio+0x9c/0x200
Apr 14 13:40:37 server kernel: [schedule_timeout+160/176] schedule_timeout+0xa0/0xb0
Apr 14 13:40:37 server kernel: [<c012a3b0>] schedule_timeout+0xa0/0xb0
Apr 14 13:40:37 server kernel: [queue_me+89/112] queue_me+0x59/0x70
Apr 14 13:40:37 server kernel: [<c01336d9>] queue_me+0x59/0x70
Apr 14 13:40:37 server kernel: [try_to_wake_up+149/320] try_to_wake_up+0x95/0x140
Apr 14 13:40:37 server kernel: [<c011ef35>] try_to_wake_up+0x95/0x140
Apr 14 13:40:37 server kernel: [__wake_up_common+38/80] __wake_up_common+0x26/0x50
Apr 14 13:40:37 server kernel: [<c011ff06>] __wake_up_common+0x26/0x50
Apr 14 13:40:37 server kernel: [__wake_up+17/32] __wake_up+0x11/0x20
Apr 14 13:40:37 server kernel: [<c011ff41>] __wake_up+0x11/0x20
Apr 14 13:40:37 server kernel: [wake_futex+44/112] wake_futex+0x2c/0x70
Apr 14 13:40:37 server kernel: [<c013341c>] wake_futex+0x2c/0x70
Apr 14 13:40:37 server kernel: [futex_wake+122/176] futex_wake+0x7a/0xb0
Apr 14 13:40:37 server kernel: [<c01334da>] futex_wake+0x7a/0xb0
Apr 14 13:40:37 server kernel: [sys_socketcall+160/480] sys_socketcall+0xa0/0x1e0
Apr 14 13:40:37 server kernel: [<c025ad20>] sys_socketcall+0xa0/0x1e0
Apr 14 13:40:37 server kernel: [sysenter_past_esp+82/121] sysenter_past_esp+0x52/0x79
Apr 14 13:40:37 server kernel: [<c010afa9>] sysenter_past_esp+0x52/0x79
Apr 14 13:40:37 server kernel:
Apr 14 13:40:37 server kernel: Code: a8 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 57 56 53 8b 5d 08 8b 4b 20 8b b3 a0 00 00 00 29 f1 8b 43 64 39 c1 7e 08 <0f> 0b b7 04 64 ac 30 c0 29 c8 6a 00 50 51 53 e8 01 cf ff ff 8b
==========================================================================================================
Apr 14 21:09:43 server kernel: invalid operand: 0000 [#3]
Apr 14 21:09:43 server kernel: CPU: 0
Apr 14 21:09:43 server squid[1293]: Squid Parent: child process 20183 exited due to signal 11
Apr 14 21:09:43 server kernel: EIP: 0060:[__crc_serial8250_resume_port+1601939/3500414] Not tainted VLI
Apr 14 21:09:43 server kernel: EIP: 0060:[<c738fdcd>] Not tainted VLI
Apr 14 21:09:43 server kernel: EFLAGS: 00010203
Apr 14 21:09:43 server kernel: EIP is at 0xc738fdcd
Apr 14 21:09:43 server kernel: eax: 1277472a ebx: 28e104d5 ecx: fe993641 edx: c738fdb0
Apr 14 21:09:43 server kernel: esi: c04134e1 edi: 00000291 ebp: 00005000 esp: c738fd9c
Apr 14 21:09:43 server kernel: ds: 007b es: 007b ss: 0068
Apr 14 21:09:43 server kernel: Process squid (pid: 20183, threadinfo=c738e000 task=cb0e0140)
Apr 14 21:09:43 server kernel: Stack: c01eee83 c738fdb0 c04134e8 425f0647 000b50d7 49d4b3c8 fe993641 02915000
Apr 14 21:09:43 server kernel: c3a08027 c980f320 49d4b3c8 c2d425cc c738feac c029058e 49d4b3c8 fe993641
Apr 14 21:09:43 server kernel: 00000291 00005000 fe993641 50002238 00000000 fe993641 c2d4266c c2d425cc
Apr 14 21:09:43 server kernel: Call Trace:
Apr 14 21:09:43 server kernel: [secure_tcp_sequence_number+131/192] secure_tcp_sequence_number+0x83/0xc0
Apr 14 21:09:43 server kernel: [<c01eee83>] secure_tcp_sequence_number+0x83/0xc0
Apr 14 21:09:43 server kernel: [tcp_v4_connect+1294/1584] tcp_v4_connect+0x50e/0x630
Apr 14 21:09:43 server kernel: [<c029058e>] tcp_v4_connect+0x50e/0x630
Apr 14 21:09:43 server kernel: [inet_stream_connect+279/432] inet_stream_connect+0x117/0x1b0
Apr 14 21:09:43 server kernel: [<c029f767>] inet_stream_connect+0x117/0x1b0
Apr 14 21:09:43 server kernel: [sys_connect+95/128] sys_connect+0x5f/0x80
Apr 14 21:09:43 server kernel: [<c025a2ff>] sys_connect+0x5f/0x80
Apr 14 21:09:43 server kernel: [sprintf+20/32] sprintf+0x14/0x20
Apr 14 21:09:43 server kernel: [<c01c43e4>] sprintf+0x14/0x20
Apr 14 21:09:43 server kernel: [tcp_setsockopt+136/1648] tcp_setsockopt+0x88/0x670
Apr 14 21:09:43 server kernel: [<c0283008>] tcp_setsockopt+0x88/0x670
Apr 14 21:09:43 server kernel: [inet_setsockopt+35/48] inet_setsockopt+0x23/0x30
Apr 14 21:09:43 server kernel: [<c029ef53>] inet_setsockopt+0x23/0x30
Apr 14 21:09:43 server kernel: [sys_setsockopt+72/128] sys_setsockopt+0x48/0x80
Apr 14 21:09:43 server kernel: [<c025a6a8>] sys_setsockopt+0x48/0x80
Apr 14 21:09:43 server kernel: [sys_setsockopt+86/128] sys_setsockopt+0x56/0x80
Apr 14 21:09:43 server kernel: [<c025a6b6>] sys_setsockopt+0x56/0x80
Apr 14 21:09:43 server kernel: [sys_socketcall+402/480] sys_socketcall+0x192/0x1e0
Apr 14 21:09:43 server kernel: [<c025ae12>] sys_socketcall+0x192/0x1e0
Apr 14 21:09:43 server kernel: [sys_fcntl64+66/128] sys_fcntl64+0x42/0x80
Apr 14 21:09:43 server kernel: [<c01633d2>] sys_fcntl64+0x42/0x80
Apr 14 21:09:43 server kernel: [sysenter_past_esp+82/121] sysenter_past_esp+0x52/0x79
Apr 14 21:09:43 server kernel: [<c010afa9>] sysenter_past_esp+0x52/0x79
Apr 14 21:09:43 server kernel:
Apr 14 21:09:43 server kernel: Code: 38 c7 e8 34 41 c0 47 06 5f 42 d7 50 0b 00 c8 b3 d4 49 41 36 99 fe 00 50 91 02 27 80 a0 c3 20 f3 80 c9 c8 b3 d4 49 cc 25 d4 c2 ac <fe> 38 c7 8e 05 29 c0 c8 b3 d4 49 41 36 99 fe 91 02 00 00 00 50
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