centos 6.4 不能正常启动怎么解决? - V2EX
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webjin
V2EX    Linux

centos 6.4 不能正常启动怎么解决?

  •  
  •   webjin Mar 10, 2014 6485 views
    This topic created in 4431 days ago, the information mentioned may be changed or developed.
    centos 6.4 不能正常启动怎么解决?百度了好久
    原因是这样的 我执行了 yum update -y结果把内核也升级了到6.5,然后每次启动的时候他都不能正常启动,然后接显示器一看,卡在选择内核版本里面 .要按键盘选择内核版本才能进入这好蛋疼~
    8 replies    1970-01-01 08:00:00 +08:00
    11138
        1
    11138  
       Mar 10, 2014   1
    学习一下grub
    /boot/grub/grub.conf
    ksex
        2
    ksex  
       Mar 10, 2014
    vansje
        3
    vansje  
       Mar 10, 2014
    楼主您好,我遇到过跟您类似的情况,我是通过备份怒重要数据然后进行重装一遍系统,

    懒得折腾。
    webjin
        4
    webjin  
    OP
       Mar 10, 2014
    刀片机也是这样,不是卡在选择内核版本画面,而是重启了之后没反应。
    webjin
        5
    webjin  
    OP
       Mar 10, 2014
    # grub.conf generated by anaconda
    #
    # Note that you do not have to rerun grub after making changes to this file
    # NOTICE: You have a /boot partition. This means that
    # all kernel and initrd paths are relative to /boot/, eg.
    # root (hd0,0)
    # kernel /vmlinuz-version ro root=/dev/mapper/VolGroup-lv_root
    # initrd /initrd-[generic-]version.img
    #boot=/dev/sda
    default=0
    timeout=5
    splashimage=(hd0,0)/grub/splash.xpm.gz
    hiddenmenu
    title CentOS (2.6.32-431.5.1.el6.x86_64)
    root (hd0,0)
    kernel /vmlinuz-2.6.32-431.5.1.el6.x86_64 ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFOnT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=VolGroup/lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
    initrd /initramfs-2.6.32-431.5.1.el6.x86_64.img
    title CentOS (2.6.32-358.el6.x86_64)
    root (hd0,0)
    kernel /vmlinuz-2.6.32-358.el6.x86_64 ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFOnT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=VolGroup/lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
    initrd /initramfs-2.6.32-358.el6.x86_64.img
    yanqian
        6
    yanqian  
       Mar 10, 2014
    看到default是0, 那么5秒 timeout后应该自动启动这个“CentOS (2.6.32-431.5.1.el6.x86_64)”才对,实际上不是么?
    webjin
        7
    webjin  
    OP
       Mar 10, 2014
    @yanqian 实际上不是,是直接reboot就起不来。好像这内核没把信号发射给硬件起来。 因为reboot还先得调用shutdown 不晓得reboot -r参数可以起来吗?现在不敢试了,因为上机柜很麻烦。
    sunocean
        8
    sunocean  
       Mar 11, 2014
    在虚拟机是试一下能否重现这个过程,如果重现不了话问题解决的最简单方式就是楼上@vansje 说的
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