[mdlug] Server stability
Brian
brian at dangerbacon.com
Wed Jun 10 15:08:11 EDT 2009
Is it possible that the machine is overheating?
Also looks like it saved a core file. LKCD produces a human readable
analysis.* file that might give you some clues.
On 6/10/09, Michael ORourke <mrorourke at earthlink.net> wrote:
> Lugnuts,
>
> I've got a server that is experiencing some stability issues.
> The server was built with CentOS 5.2 i386 and has been patched recently.
> It's running Oracle XE, tomcat, httpd, and some java. But when I put any
> load on the system, it just spontaneously reboots. Any thoughts and/or
> suggestions?
> Would we be better off reloading this box with an x86_64 bit version of
> CentOS?
> Here is some info on the server...
>
> --kernel
> [root at patchserv proc]# uname -a
> Linux patchserv.xxxxxxxxxxxxxxxxxx.xxx 2.6.18-128.1.6.el5PAE #1 SMP Wed Apr
> 1 10:02:22 EDT 2009 i686 i686 i386 GNU/Linux
>
> --memory info (8GB RAM)
> [root at patchserv log]# cat /proc/meminfo
> MemTotal: 8178228 kB
> MemFree: 300404 kB
> Buffers: 43884 kB
> Cached: 6252688 kB
> SwapCached: 44140 kB
> Active: 3276088 kB
> Inactive: 4392996 kB
> HighTotal: 7470840 kB
> HighFree: 17988 kB
> LowTotal: 707388 kB
> LowFree: 282416 kB
> SwapTotal: 2031608 kB
> SwapFree: 1987468 kB
> Dirty: 136 kB
> Writeback: 0 kB
> AnonPages: 1267384 kB
> Mapped: 684764 kB
> Slab: 144172 kB
> PageTables: 50672 kB
> NFS_Unstable: 0 kB
> Bounce: 0 kB
> CommitLimit: 6120720 kB
> Committed_AS: 3973640 kB
> VmallocTotal: 116728 kB
> VmallocUsed: 3900 kB
> VmallocChunk: 112712 kB
> HugePages_Total: 0
> HugePages_Free: 0
> HugePages_Rsvd: 0
> Hugepagesize: 2048 kB
>
> --processor info (8 CPUs)
> processor : 7
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 2.80GHz
> stepping : 8
> cpu MHz : 2793.483
> cache size : 2048 KB
> physical id : 1
> siblings : 4
> core id : 1
> cpu cores : 2
> apicid : 7
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
> constant_tsc pni monitor ds_cpl est cid cx16 xtpr lahf_lm
> bogomips : 5586.43
>
> --recent reboots (not user initiated)
> [root at patchserv log]# last | grep reboot
> reboot system boot 2.6.18-128.1.6.e Wed Jun 10 07:42 (06:50)
> reboot system boot 2.6.18-128.1.6.e Wed Jun 10 07:33 (00:04)
> reboot system boot 2.6.18-128.1.6.e Tue Jun 9 01:12 (1+06:24)
> reboot system boot 2.6.18-128.1.6.e Tue Jun 9 01:03 (00:04)
> reboot system boot 2.6.18-128.1.6.e Tue Jun 9 00:26 (00:41)
> reboot system boot 2.6.18-128.1.6.e Tue Jun 9 00:18 (00:03)
>
> --/var/log/messages around the time of the last reboot...
> Jun 10 07:33:26 patchserv kernel: ADDRCONF(NETDEV_CHANGE): eth0: link
> becomes ready
> Jun 10 07:33:26 patchserv kernel: ADDRCONF(NETDEV_UP): eth1: link is not
> ready
> Jun 10 07:37:30 patchserv kdump: saved a vmcore to
> /var/crash/2009-06-10-07:33
> Jun 10 07:37:31 patchserv shutdown[3048]: shutting down for system reboot
> Jun 10 07:37:31 patchserv init: Switching to runlevel: 6
> Jun 10 07:37:32 patchserv rpc.statd[2983]: Caught signal 15, un-registering
> and exiting.
> Jun 10 07:37:32 patchserv portmap[3087]: connect from 127.0.0.1 to
> unset(status): request from unprivileged port
> Jun 10 07:37:33 patchserv auditd[2888]: The audit daemon is exiting.
> Jun 10 07:37:33 patchserv kernel: audit(1244633853.205:5): audit_pid=0
> old=2888 by auid=4294967295
> Jun 10 07:37:33 patchserv kernel: Kernel logging (proc) stopped.
> Jun 10 07:37:33 patchserv kernel: Kernel log daemon terminating.
> Jun 10 07:37:34 patchserv exiting on signal 15
> Jun 10 07:42:29 patchserv syslogd 1.4.1: restart.
> Jun 10 07:42:29 patchserv kernel: klogd 1.4.1, log source = /proc/kmsg
> started.
> Jun 10 07:42:29 patchserv kernel: Linux version 2.6.18-128.1.6.el5PAE
> (mockbuild at builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat
> 4.1.2-44)) #1 SMP Wed Apr 1 10:02:22 EDT 2009
> Jun 10 07:42:29 patchserv kernel: BIOS-provided physical RAM map:
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 0000000000000000 -
> 00000000000a0000 (usable)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 0000000000100000 -
> 00000000bffc0000 (usable)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000bffc0000 -
> 00000000bffcfc00 (ACPI data)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000bffcfc00 -
> 00000000bffff000 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000e0000000 -
> 00000000fec90000 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000fed00000 -
> 00000000fed00400 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000fee00000 -
> 00000000fee10000 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000000ffb00000 -
> 0000000100000000 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 0000000100000000 -
> 00000001ffffe000 (usable)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 00000001ffffe000 -
> 0000000200000000 (reserved)
> Jun 10 07:42:29 patchserv kernel: BIOS-e820: 0000000200000000 -
> 0000000240000000 (usable)
> Jun 10 07:42:29 patchserv kernel: 8320MB HIGHMEM available.
> Jun 10 07:42:29 patchserv kernel: 896MB LOWMEM available.
> Jun 10 07:42:29 patchserv kernel: found SMP MP-table at 000fe710
> Jun 10 07:42:29 patchserv kernel: NX (Execute Disable) protection: active
> Jun 10 07:42:29 patchserv kernel: DMI 2.3 present.
> Jun 10 07:42:29 patchserv kernel: Using APIC driver default
> Jun 10 07:42:29 patchserv kernel: ACPI: PM-Timer IO Port: 0x808
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #0 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x06]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #6 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #2 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #4 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x05] lapic_id[0x01]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #1 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x06] lapic_id[0x07]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #7 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x07] lapic_id[0x03]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #3 15:4 APIC version 20
> Jun 10 07:42:29 patchserv kernel: ACPI: LAPIC (acpi_id[0x08] lapic_id[0x05]
> enabled)
> Jun 10 07:42:29 patchserv kernel: Processor #5 15:4 APIC version 20
>
> Thanks,
> Mike
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--
Sent from my mobile device
Brian
"It's not stupid, it's advaaanced!" - Tallest Purple
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