关于dell服务器系统错误日志的解决方案
系统:CentOS 6.2 X86_64 内核:2.6.32-220.el6.x86_64 硬件:Dell PowerEdge R420 CPU:Intel(R) Xeon(R) CPU E5-2420 0 @ 1.90GHz 详细错误信息如下: WARNING: at drivers/pci/intr_remapping.c:715 enable_intr_remapping+0×73/0x2af() (Not tainted) Hardware name: PowerEdge R420 Your BIOS has requested that x2apic be disabled. This will leave your machine vulnerable to irq-injection attacks. Use ‘intremap=no_x2apic_optout’ to override BIOS request. 解决: 因ROM默认情况下不使用x2apic 1.忽略 2.使用’intremap=no_x2apic_optout’ 内核选项进行启动 如: # vim /boot/grub/grub.conf title CentOS (2.6.32-220.el6.x86_64) root (hd0,0) kernel /vmlinuz-2.6.32-220.el6.x86_64 ro root=/dev/mapper/VolGroup00-LogVol00_root rd_NO_LUKS rd_LVM_LV=VolGroup00/LogVol01_swap LANG=en_US.UTF-8 rd_NO_MD quiet SYSFONT=latarcyrheb-sun16 rhgb crashkernel=auto rd_LVM_LV=VolGroup00/LogVol00_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM intremap=no_x2apic_optout #添加该参数,重启服务器解决 initrd /initramfs-2.6.32-220.el6.x86_64.img |