
12-19-2009, 07:23 AM
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Junior Guru Wannabe
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Join Date: Nov 2004
Posts: 46
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What means ? [oopscheck] KERNEL Oops on name.domain.com !!!
Hello,
I have this email periodically for 2 weeks , what does it mean ?
It's not SPAM message the header source mention that it's originated from server .
The repaired lines is increasing with each new email.
Code:
[oopscheck] KERNEL Oops on name.domain.com !!!
IMPORTANT: Do not ignore this email.
Your kernel had an Oops!
This is the result of bad hardware or a kernel bug.
Your system may continue to function as normal, however there is a good chance bad things are happening right now.
Bad things include: files disappearing, daemons crashing,
complete server crashs, disk corruption and many others.
You might want to check your RAM with memtest86 as this is usually the cause of the problem.
http://www.memtest86.com/
The Oops is below:
EIP: 0060:[<c04e9baf>] CPU: 0
EIP is at delay_tsc+0xb/0x13
EFLAGS: 00000283 Not tainted (2.6.18-128.1.10.el5 #1)
EAX: 0ce4dd12 EBX: 0023a03a ECX: 0ce47ce7 EDX: 006c1893
ESI: c232b000 EDI: 000018fa EBP: 00000000 DS: 007b ES: 007b
CR0: 8005003b CR2: b7fae0a0 CR3: 0072e000 CR4: 000006d0 [<c04e9be0>] __delay+0x6/0x7 [<f88bb663>] WaitForDoorbellInt+0x58/0x95 [mptbase] [<f88bb8d3>] mpt_handshake_req_reply_wait+0x1af/0x3d0 [mptbase] [<f88bc35b>] SendIocInit+0x2c5/0x3b1 [mptbase] [<f88bfdf5>] mpt_do_ioc_recovery+0xf48/0xfa7 [mptbase] [<c05aeecd>] sock_def_readable+0xf/0x5b [<c042bea4>] lock_timer_base+0x15/0x2f [<c042bfb5>] __mod_timer+0x99/0xa3 [<c05ada9b>] sk_reset_timer+0xc/0x16 [<c05e0174>] tcp_rcv_established+0x74e/0x7c6 [<c05e50aa>] tcp_v4_do_rcv+0x25/0x2b6 [<f8b29076>] ipt_hook+0x17/0x1d [iptable_filter] [<c041dab2>] enqueue_task+0x29/0x39 [<c041db0c>] __activate_task+0x4a/0x59 [<c041e3cd>] try_to_wake_up+0x3e6/0x3f0 [<c0405946>] common_interrupt+0x1a/0x20 [<c041e3cd>] try_to_wake_up+0x3e6/0x3f0 [<c04369da>] hrtimer_wakeup+0x0/0x18 [<f88b06f5>] mptsas_ioc_reset+0xd/0x69 [mptsas] [<f88bff3a>] mpt_HardResetHandler+0xe6/0x163 [mptbase] [<f88bffb7>] mpt_timer_expired+0x0/0x4e [mptbase] [<f88bffd9>] mpt_timer_expired+0x22/0x4e [mptbase] [<c042c13f>] run_timer_softirq+0xfb/0x151 [<c0428bd3>] __do_softirq+0x87/0x114 [<c04073eb>] do_softirq+0x52/0x9c [<c04059d7>] apic_timer_interrupt+0x1f/0x24 [<c0403ce7>] mwait_idle+0x25/0x38 [<c0403ca8>] cpu_idle+0x9f/0xb9 [<c06f59ee>] start_kernel+0x379/0x380 =======================
TCP: Treason uncloaked! Peer 78.38.86.5:50392/80 shrinks window 750601395:750601483. Repaired.
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TCP: Treason uncloaked! Peer 80.135.206.122:1158/80 shrinks window 2384828248:2384839864. Repaired.
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TCP: Treason uncloaked! Peer 87.183.205.116:50905/80 shrinks window 1725733011:1725748983. Repaired.
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TCP: Treason uncloaked! Peer 80.135.169.216:1515/80 shrinks window 988880686:988895086. Repaired.
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TCP: Treason uncloaked! Peer 58.147.143.116:10336/80 shrinks window 631804891:631804892. Repaired.
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TCP: Treason uncloaked! Peer 87.237.225.114:65419/80 shrinks window 1930831260:1930831261. Repaired.
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TCP: Treason uncloaked! Peer 82.116.151.254:58989/80 shrinks window 489264936:489264937. Repaired.
Thanks for help
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12-19-2009, 07:34 AM
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Web Hosting Master
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Join Date: Aug 2007
Location: Alblasserdam
Posts: 2,646
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An oops is a deviation from correct behavior of the Linux kernel which produces a certain error log. The better-known kernel panic condition results from many kinds of oops, but others may allow continued operation with compromised reliability. The term does not stand for anything, other than a simple mistake.
When the kernel detects a problem, it prints an oops message and kills any offending process. The message is used by Linux kernel engineers to debug the condition which created the oops and fix the programming error which caused it.
Once a system has experienced an oops, some internal resources may no longer be in service. Even if the system appears to work correctly, undesirable side effects may have resulted from the active task being killed. A kernel oops often leads on to a kernel panic once the system attempts to use resources which have been lost.
Source: wikipedia 
__________________
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Last edited by 24x7group; 12-19-2009 at 07:38 AM.
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12-19-2009, 07:37 AM
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Junior Guru Wannabe
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Join Date: Nov 2004
Posts: 46
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Quote:
Originally Posted by ServerBoost
According to some searches in google it is memory related.
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No, I use iptables only.
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12-19-2009, 07:39 AM
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Web Hosting Master
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Join Date: Aug 2007
Location: Alblasserdam
Posts: 2,646
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Read above my last reply, most likely there is something wrong with the hardware on your server.
Is your kernel updated to the latest version also?
__________________
█ Instant Dedicated - The Netherlands ( Europe): Get online, in no time! IPV4 + IPV6 Support!
█ Hosted in a TIER III datacenter with 100% power uptime in 2012-2013: • Instant Dedicated Servers •
█ Connectivity: Transit: Level3, Telia, NTT, TInet, ... + Peering: AMS-IX, DE-CIX, LINX, PLIX, ECIX, BNIX, BIX, NYIIX, ...
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12-19-2009, 07:52 AM
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Junior Guru Wannabe
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Join Date: Nov 2004
Posts: 46
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Quote:
Originally Posted by ServerBoost
Read above my last reply, most likely there is something wrong with the hardware on your server.
Is your kernel updated to the latest version also?
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Yes it seems to be updated ...
Thanks for your help
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12-19-2009, 08:04 AM
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Web Hosting Master
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Join Date: Aug 2007
Location: Alblasserdam
Posts: 2,646
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Then I'd look further at the hardware. Maybe ask your provider to change memory, see if that makes a difference.
__________________
█ Instant Dedicated - The Netherlands ( Europe): Get online, in no time! IPV4 + IPV6 Support!
█ Hosted in a TIER III datacenter with 100% power uptime in 2012-2013: • Instant Dedicated Servers •
█ Connectivity: Transit: Level3, Telia, NTT, TInet, ... + Peering: AMS-IX, DE-CIX, LINX, PLIX, ECIX, BNIX, BIX, NYIIX, ...
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