rehl4.7在DL580机器上频繁死机

简介:
客户的一台HP的DL580上装了RHEL4.7的系统,老是死机,最近发作的频率越来越高了,800的电话打的都烦了,都没给出个解决方案,主板BIOS也刷了,日志也收集了,就是没解决方案,让人都烦死了。。。。
 
下面是本机的一些日志和内核版本,请大家指点下,谢谢了

Last login: Mon Apr 19 17:22:28 2010 from 172.32.34.210
[root@RIS01 ~]# uname -a
Linux RIS01 2.6.9-78.ELsmp #1 SMP Wed Jul 9 15:39:47 EDT 2008 i686 i686 i386 GNU/Linux
[root@RIS01 ~]# vi /var/log/messages
Apr 18 04:02:05 RIS01 syslogd 1.4.1: restart.
Apr 18 04:02:05 RIS01 snmpd[16283]: Cannot find module (DISMAN-EVENT-MIB): At line 0 in (none)
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: Parsing printall[24082]: as a type was unsucessful
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: Parsing printall[24082]: as a type was unsucessful
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: listening for subagents on port 25375
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: sent ColdStarts on ports 25376 to 25393
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 1 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 2 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 3 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 5 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 6 handler has disconnected
"/var/log/messages" [converted] 1076L, 80476C
Apr 18 04:02:05 RIS01 syslogd 1.4.1: restart.
Apr 18 04:02:05 RIS01 snmpd[16283]: Cannot find module (DISMAN-EVENT-MIB): At line 0 in (none)
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: Parsing printall[24082]: as a type was unsucessful
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: Parsing printall[24082]: as a type was unsucessful
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: listening for subagents on port 25375
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: sent ColdStarts on ports 25376 to 25393
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 1 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 2 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 3 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 5 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 6 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 8 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: NET-SNMP version 5.1.2
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 9 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 10 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 11 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 14 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 15 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 16 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 21 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 22 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 23 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  1 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  2 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  3 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  5 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  6 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  8 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB  9 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 10 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 11 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 14 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 15 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 16 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 21 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 22 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 23 will be sent on port 25376 to hp Advanced Server Management_Peer
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 18 handler has disconnected
Apr 18 04:02:05 RIS01 snmpd[16283]: cmaX: subMIB 18 will be sent on port 25393 to cpqnicd
Apr 18 04:02:12 RIS01 snmpd[16283]: Received SNMP packet(s) from 127.0.0.1
Apr 19 11:09:37 RIS01 sshd(pam_unix)[9544]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.32.34.210  user=root
Apr 19 11:09:43 RIS01 sshd(pam_unix)[9544]: session opened for user root by (uid=0)
Apr 19 11:12:13 RIS01 sshd(pam_unix)[9544]: session closed for user root
Apr 19 11:44:05 RIS01 syslogd 1.4.1: restart.
Apr 19 11:44:05 RIS01 syslog: syslogd startup succeeded
Apr 19 11:44:05 RIS01 kernel: klogd 1.4.1, log source = /proc/kmsg started.
Apr 19 11:44:05 RIS01 kernel: Linux version 2.6.9-78.ELsmp ( brewbuilder@hs20-bc2-3.build.redhat.com) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Wed Jul 9 15:39:47 EDT 2008
Apr 19 11:44:05 RIS01 kernel: BIOS-provided physical RAM map:
Apr 19 11:44:05 RIS01 kernel: ********************************************************
Apr 19 11:44:05 RIS01 kernel: * This system has more than 16 Gigabyte of memory.     *
Apr 19 11:44:05 RIS01 kernel: * It is recommended that you read the release notes    *
Apr 19 11:44:05 RIS01 kernel: * that accompany your copy of Red Hat Enterprise Linux *
Apr 19 11:44:05 RIS01 kernel: * about the recommended kernel for such configurations *
Apr 19 11:44:05 RIS01 kernel: ********************************************************
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 0000000000000000 - 000000000009e000 (usable)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
Apr 19 11:44:05 RIS01 syslog: klogd startup succeeded
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 0000000000100000 - 00000000cfd43000 (usable)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000cfd43000 - 00000000cfd4c000 (ACPI data)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000cfd4c000 - 00000000cfd4d000 (usable)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000cfd4d000 - 00000000d0000000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000fec00000 - 00000000fed00000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 00000000ffc00000 - 0000000100000000 (reserved)
Apr 19 11:44:05 RIS01 kernel:  BIOS-e820: 0000000100000000 - 000000042ffff000 (usable)
Apr 19 11:44:05 RIS01 kernel: 16255MB HIGHMEM available.
Apr 19 11:44:05 RIS01 kernel: 896MB LOWMEM available.
Apr 19 11:44:05 RIS01 kernel: found SMP MP-table at 000f4fa0
Apr 19 11:44:05 RIS01 kernel: Using x86 segment limits to approximate NX protection
Apr 19 11:44:05 RIS01 kernel: DMI 2.5 present.
Apr 19 11:44:05 RIS01 kernel: Using APIC driver default
Apr 19 11:44:05 RIS01 kernel: ServerWorks chipset detected. Disabling timer routing over 8254.
Apr 19 11:44:05 RIS01 kernel: ACPI: PM-Timer IO Port: 0x908
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #0 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #8 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x10] lapic_id[0x10] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #16 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x18] lapic_id[0x18] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #24 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #1 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #9 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x11] lapic_id[0x11] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #17 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x19] lapic_id[0x19] enabled)
Apr 19 11:44:05 RIS01 irqbalance: irqbalance startup succeeded
Apr 19 11:44:05 RIS01 kernel: Processor #25 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #2 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x0a] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #10 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x12] lapic_id[0x12] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #18 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x1a] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #26 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #3 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x0b] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #11 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x13] lapic_id[0x13] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #19 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x1b] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #27 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #4 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x0c] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #12 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x14] lapic_id[0x14] enabled)
Apr 19 11:44:05 RIS01 multipathd: multipathd startup succeeded
Apr 19 11:44:05 RIS01 kernel: Processor #20 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x1c] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #28 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #5 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x0d] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #13 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x15] lapic_id[0x15] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #21 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x1d] enabled)
Apr 19 11:44:05 RIS01 kernel: Processor #29 7:13 APIC version 20
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] disabled)
Apr 19 11:44:05 RIS01 last message repeated 7 times
Apr 19 11:44:05 RIS01 kernel: ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
Apr 19 11:44:05 RIS01 kernel: Enabling APIC mode:  Flat.  Using 0 I/O APICs
Apr 19 11:44:05 RIS01 kernel: Overriding APIC driver with bigsmp
Apr 19 11:44:05 RIS01 kernel: ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
Apr 19 11:44:05 RIS01 multipathd: error calling out /sbin/scsi_id -g -u -s /block/cciss!c0d0
Apr 19 11:44:05 RIS01 kernel: IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
Apr 19 11:44:05 RIS01 kernel: ACPI: IOAPIC (id[0x02] address[0xfec80000] gsi_base[24])
Apr 19 11:44:05 RIS01 kernel: IOAPIC[1]: apic_id 2, version 32, address 0xfec80000, GSI 24-47
Apr 19 11:44:05 RIS01 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
Apr 19 11:44:05 RIS01 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
Apr 19 11:44:05 RIS01 multipathd: mpath0: event checker started
Apr 19 11:44:05 RIS01 kernel: ACPI: HPET id: 0x8086a201 base: 0xfed00000
Apr 19 11:44:05 RIS01 kernel: Using ACPI (MADT) for SMP configuration information
Apr 19 11:44:05 RIS01 kernel: Allocating PCI resources starting at d1000000 (gap: d0000000:10000000)
Apr 19 11:44:05 RIS01 portmap: portmap startup succeeded
Apr 19 11:44:05 RIS01 kernel: Built 1 zonelists
Apr 19 11:44:05 RIS01 kernel: Kernel command line: ro root=LABEL=/ rhgb quiet
Apr 19 11:44:05 RIS01 kernel: Initializing CPU#0
Apr 19 11:44:05 RIS01 kernel: CPU 0 irqstacks, hard=c0403000 soft=c03e3000
Apr 19 11:44:05 RIS01 kernel: PID hash table entries: 4096 (order: 12, 65536 bytes)
Apr 19 11:44:05 RIS01 kernel: Console: colour VGA+ 80x25
Apr 19 11:44:05 RIS01 kernel: Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Apr 19 11:44:05 RIS01 kernel: Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Apr 19 11:44:05 RIS01 kernel: Memory: 16629284k/17563644k available (1925k kernel code, 144196k reserved, 787k data, 192k init, 15856908k highmem)
Apr 19 11:44:05 RIS01 kernel: Using HPET for base-timer
Apr 19 11:44:05 RIS01 kernel: Using HPET for gettimeofday
Apr 19 11:44:05 RIS01 kernel: Detected 2400.211 MHz processor.
Apr 19 11:44:05 RIS01 kernel: Using hpet for high-res timesource
Apr 19 11:44:05 RIS01 kernel: Calibrating delay using timer specific routine.. 4803.33 BogoMIPS (lpj=2401666)
Apr 19 11:44:05 RIS01 kernel: Security Scaffold v1.0.0 initialized
Apr 19 11:44:05 RIS01 kernel: SELinux:  Initializing.
Apr 19 11:44:05 RIS01 kernel: selinux_register_security:  Registering secondary module capability
Apr 19 11:44:05 RIS01 kernel: Capability LSM initialized as secondary
Apr 19 11:44:05 RIS01 kernel: Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Apr 19 11:44:05 RIS01 kernel: monitor/mwait feature present.
Apr 19 11:44:05 RIS01 kernel: using mwait in idle threads.
Apr 19 11:44:05 RIS01 rpc.statd[29770]: Version 1.0.6 Starting
Apr 19 11:44:05 RIS01 kernel: CPU: L1 I cache: 32K, L1 D cache: 32K
Apr 19 11:44:05 RIS01 kernel: CPU: L2 cache: 3072K
Apr 19 11:44:05 RIS01 kernel: CPU: L3 cache: 12288K
Apr 19 11:44:05 RIS01 kernel: CPU0: Physical Processor ID: 0
Apr 19 11:44:05 RIS01 kernel: CPU0: Processor Core ID: 0
Apr 19 11:44:05 RIS01 kernel: CPU0: Initial APIC ID: 0
Apr 19 11:44:05 RIS01 kernel: Intel machine check architecture supported.
Apr 19 11:44:05 RIS01 kernel: Intel machine check reporting enabled on CPU#0.
Apr 19 11:44:05 RIS01 kernel: Enabling fast FPU save and restore... done.
Apr 19 11:44:05 RIS01 nfslock: rpc.statd startup succeeded
Apr 19 11:44:05 RIS01 kernel: Enabling unmasked SIMD FPU exception support... done.
Apr 19 11:44:05 RIS01 kernel: Checking 'hlt' instruction... OK.
Apr 19 11:44:05 RIS01 kernel: CPU0: Intel(R) Xeon(R) CPU           E7450  @ 2.40GHz stepping 01
Apr 19 11:44:05 RIS01 kernel: per-CPU timeslice cutoff: 35097.46 usecs.
Apr 19 11:44:05 RIS01 kernel: task migration cache decay timeout: 35 msecs.
Apr 19 11:44:05 RIS01 kernel: Leaving ESR disabled.
Apr 19 11:44:05 RIS01 kernel: Booting processor 1/8 eip 3000
Apr 19 11:44:05 RIS01 kernel: CPU 1 irqstacks, hard=c0404000 soft=c03e4000
Apr 19 11:44:05 RIS01 kernel: Initializing CPU#1
Apr 19 11:44:05 RIS01 kernel: Leaving ESR disabled.
Apr 19 11:44:05 RIS01 kernel: Calibrating delay using timer specific routine.. 4800.30 BogoMIPS (lpj=2400152)
Apr 19 11:44:05 RIS01 kernel: monitor/mwait feature present.
Apr 19 11:44:05 RIS01 kernel: CPU: L1 I cache: 32K, L1 D cache: 32K
Apr 19 11:44:05 RIS01 kernel: CPU: L2 cache: 3072K
Apr 19 11:44:05 RIS01 kernel: CPU: L3 cache: 12288K
Apr 19 11:44:05 RIS01 kernel: CPU1: Physical Processor ID: 1
Apr 19 11:44:05 RIS01 kernel: CPU1: Processor Core ID: 8
Apr 19 11:44:05 RIS01 kernel: CPU1: Initial APIC ID: 8
Apr 19 11:44:05 RIS01 kernel: Intel machine check architecture supported.
Apr 19 11:44:05 RIS01 kernel: Intel machine check reporting enabled on CPU#1.
Apr 19 11:44:05 RIS01 kernel: CPU1: Intel(R) Xeon(R) CPU           E7450  @ 2.40GHz stepping 01
Apr 19 11:44:05 RIS01 kernel: Booting processor 2/16 eip 3000
Apr 19 11:44:05 RIS01 kernel: CPU 2 irqstacks, hard=c0405000 soft=c03e5000
Apr 19 11:44:05 RIS01 kernel: Initializing CPU#2
Apr 19 11:44:05 RIS01 kernel: Leaving ESR disabled.
Apr 19 11:44:05 RIS01 kernel: Calibrating delay using timer specific routine.. 4800.41 BogoMIPS (lpj=2400205)
Apr 19 11:44:05 RIS01 kernel: monitor/mwait feature present.
Apr 19 11:44:05 RIS01 kernel: CPU: L1 I cache: 32K, L1 D cache: 32K
Apr 19 11:44:05 RIS01 kernel: CPU: L2 cache: 3072K
Apr 19 11:44:05 RIS01 kernel: CPU: L3 cache: 12288K
Apr 19 11:44:05 RIS01 kernel: CPU2: Physical Processor ID: 2
Apr 19 11:44:05 RIS01 kernel: CPU2: Processor Core ID: 16
Apr 19 11:44:05 RIS01 kernel: CPU2: Initial APIC ID: 16
Apr 19 11:44:05 RIS01 kernel: Intel machine check architecture supported.
Apr 19 11:44:05 RIS01 kernel: Intel machine check reporting enabled on CPU#2.
Apr 19 11:44:05 RIS01 kernel: CPU2: Intel(R) Xeon(R) CPU           E7450  @ 2.40GHz stepping 01
Apr 19 11:44:05 RIS01 kernel: Booting processor 3/24 eip 3000
Apr 19 11:44:05 RIS01 kernel: CPU 3 irqstacks, hard=c0406000 soft=c03e6000
Apr 19 11:44:05 RIS01 kernel: Initializing CPU#3
Apr 19 11:44:05 RIS01 kernel: Leaving ESR disabled.
Apr 19 11:44:05 RIS01 kernel: Calibrating delay using timer specific routine.. 4800.24 BogoMIPS (lpj=2400123)
Apr 19 11:44:06 RIS01 kernel: monitor/mwait feature present.
Apr 19 11:44:06 RIS01 kernel: CPU: L1 I cache: 32K, L1 D cache: 32K
Apr 19 11:44:06 RIS01 kernel: CPU: L2 cache: 3072K
Apr 19 11:44:06 RIS01 kernel: CPU: L3 cache: 12288K
Apr 19 11:44:06 RIS01 kernel: CPU3: Physical Processor ID: 3
Apr 19 11:44:06 RIS01 kernel: CPU3: Processor Core ID: 24
Apr 19 11:44:06 RIS01 kernel: CPU3: Initial APIC ID: 24
Apr 19 11:44:06 RIS01 kernel: Intel machine check architecture supported.
Apr 19 11:44:06 RIS01 kernel: Intel machine check reporting enabled on CPU#3.
Apr 19 11:44:06 RIS01 kernel: CPU3: Intel(R) Xeon(R) CPU           E7450  @ 2.40GHz stepping 01
Apr 19 11:44:06 RIS01 kernel: Booting processor 4/1 eip 3000
Apr 19 11:44:06 RIS01 kernel: CPU 4 irqstacks, hard=c0407000 soft=c03e7000
Apr 19 11:44:06 RIS01 kernel: Initializing CPU#4
Apr 19 11:44:06 RIS01 kernel: Leaving ESR disabled.
Apr 19 11:44:06 RIS01 kernel: Calibrating delay using timer specific routine.. 4800.37 BogoMIPS (lpj=2400185)
Apr 19 11:44:06 RIS01 kernel: monitor/mwait feature present.
Apr 19 11:44:06 RIS01 kernel: CPU: L1 I cache: 32K, L1 D cache: 32K
Apr 19 11:44:06 RIS01 kernel: CPU: L2 cache: 3072K
Apr 19 11:44:06 RIS01 kernel: CPU: L3 cache: 12288K
Apr 19 11:44:06 RIS01 kernel: CPU4: Physical Processor ID: 0
Apr 19 11:44:06 RIS01 kernel: CPU4: Processor Core ID: 1
Apr 19 11:44:06 RIS01 kernel: CPU4: Initial APIC ID: 1
Apr 19 11:44:06 RIS01 kernel: Intel machine check architecture supported.
Apr 19 11:44:06 RIS01 kernel: Intel machine check reporting enabled on CPU#4.
Apr 19 11:44:06 RIS01 kernel: CPU4: Intel(R) Xeon(R) CPU           E7450  @ 2.40GHz stepping 01
Apr 19 11:44:06 RIS01 kernel: Booting processor 5/9 eip 3000
Apr 19 11:44:06 RIS01 kernel: CPU 5 irqstacks, hard=c0408000 soft=c03e8000
Apr 19 11:44:06 RIS01 kernel: Initializing CPU#5
本文转自你是路人甲还是霍元甲博客51CTO博客,原文链接http://blog.51cto.com/world77/300943如需转载请自行联系原作者

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存储 缓存 固态存储
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Linux 测试技术 Shell
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引子 曾经搞过一个尴尬的案例。排查过一个CPU打满的问题。因为问题是在凌晨出现,而且非常随机。所以我们就准备了一个脚本,用来捕获占用CPU高的线程。但尴尬的是,问题复现了,我们的脚本偏偏在问题复现的时候,没有记录。
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CPU 漏洞补丁对内核性能影响:4.15 比 4.11 快 7-9%
知名Linux Kernel维护成员Greg Kroah-Hartman今天分享了一些非常有趣的细节–在Linux内核打上Meltdown和Spectre漏洞补丁之后的性能影响。根据Google+博文显示,最近发布的Linux Kernel 4.15的速度要比4.11快7-9%;在激活内核页表隔离(KPTI)情况下速度仅比4.11慢了1-2%。
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