硬件:R410 E5606*2 4G*6 Hynix 4GB18-H9

系統:centos5.5

服務器半天左右就會死機一次

tail /var/log/messages

Nov 25 09:28:20 c1g kernel: Machine check events logged

Nov 25 09:33:20 c1g kernel: Machine check events logged

Nov 25 09:38:20 c1g kernel: Machine check events logged

Nov 25 09:43:20 c1g kernel: Machine check events logged

Nov 25 09:48:20 c1g kernel: Machine check events logged

Nov 25 09:53:20 c1g kernel: Machine check events logged

Nov 25 10:03:20 c1g kernel: Machine check events logged

Nov 25 10:08:20 c1g kernel: Machine check events logged

Nov 25 10:13:20 c1g kernel: Machine check events logged

Nov 25 10:18:20 c1g kernel: Machine check events logged

Nov 25 10:23:20 c1g kernel: Machine check events logged

Nov 25 10:28:20 c1g kernel: Machine check events logged

Nov 25 10:44:46 c1g syslogd 1.4.1: restart.

tail -n100 /var/log/mcelog

HARDWARE ERROR. This is *NOT* a software problem!

Please contact your hardware vendor

CPU 2 BANK 8 TSC 69cd4ba150c [at 2128 Mhz 0 days 0:56:56 uptime (unreliable)]

MISC c1ac44000081282 ADDR 5fa5c8580

MCG status:

MCi status:

Error overflow

MCi_MISC register valid

MCi_ADDR register valid

MCA: MEMORY CONTROLLER RD_CHANNELunspecified_ERR

Transaction: Memory read error

STATUS cc0001800001009f MCGSTATUS 0

MCE 2

HARDWARE ERROR. This is *NOT* a software problem!

Please contact your hardware vendor

CPU 6 BANK 8 TSC 69cd4ba18ca [at 2128 Mhz 0 days 0:56:56 uptime (unreliable)]

MISC c1ac44000081282 ADDR 5fa5c8580

MCG status:

MCi status:

Error overflow

MCi_MISC register valid

MCi_ADDR register valid

MCA: MEMORY CONTROLLER RD_CHANNELunspecified_ERR

Transaction: Memory read error

STATUS cc0001800001009f MCGSTATUS 0

MCE 3

HARDWARE ERROR. This is *NOT* a software problem!

Please contact your hardware vendor

CPU 4 BANK 8 TSC 69cd4ba1595 [at 2128 Mhz 0 days 0:56:56 uptime (unreliable)]

MISC c1ac44000081282 ADDR 5fa5c8580

MCG status:

MCi status:

Error overflow

MCi_MISC register valid

MCi_ADDR register valid

MCA: MEMORY CONTROLLER RD_CHANNELunspecified_ERR

Transaction: Memory read error

STATUS cc0001800001009f MCGSTATUS 0

日志中記錄了內存出錯,原來有24G內存拔掉了一根4G后問題沒有再出現.

總結

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