Infrastructure Software

Hello,

I am relatively newbie at Solaris OS and before day, my server goes unexpectedly down. After issue I got following messages from /var/adm/messages log:

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May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu7]/thread=fffffe800070ac60:
May 9 03:29:13 server1 genunix: [ID 843051 kern.info] NOTICE: SUNW-MSG-ID: SUNOS-8000-0G, TYPE: Error, VER: 1, SEVERITY: Major
May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu2]/thread=fffffe80004fdc60:
May 9 03:29:13 server1 genunix: [ID 663943 kern.notice] Unrecoverable Machine-Check Exception
May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu6]/thread=fffffe80006a5c60:
May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu4]/thread=fffffe80005c7c60:
May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu0]/thread=fffffe8000005c60:
May 9 03:29:13 server1 unix: [ID 836849 kern.notice]
May 9 03:29:13 server1 ^Mpanic[cpu1]/thread=fffffe800042ac60:
May 9 03:29:13 server1 genunix: [ID 663943 kern.notice] Unrecoverable Machine-Check Exception
May 9 03:29:13 server1 unix: [ID 100000 kern.notice]
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042aab0 unix:cmi_mca_panic+1e ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042aae0 unix:cmi_mca_trap+13d ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042aaf0 unix:mcetrap+17e ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042abe0 unix:i86_mwait+d ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042ac20 unix:cpu_idle_mwait+125 ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042ac40 unix:idle+89 ()
May 9 03:29:13 server1 genunix: [ID 655072 kern.notice] fffffe800042ac50 unix:thread_start+8 ()
May 9 03:29:13 server1 unix: [ID 100000 kern.notice]
May 9 03:29:13 server1 genunix: [ID 672855 kern.notice] syncing file systems...
May 9 03:29:14 server1 genunix: [ID 904073 kern.notice] done
May 9 03:29:15 server1 genunix: [ID 111219 kern.notice] dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
May 9 03:30:38 server1 genunix: [ID 100000 kern.notice]
May 9 03:30:38 server1 genunix: [ID 665016 kern.notice] ^M100% done: 656785 pages dumped,
May 9 03:30:38 server1 genunix: [ID 851671 kern.notice] dump succeeded
....
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I don't know how to determine from mdb/logs/.... what cause server crash...

Could someone help me with this please?


info about my system:
platform: SUN FIRE X4150
SunOS 5.10 Generic_142910-17

Many thanks