How to solve boot problems with Ubuntu after kernel upgrade

Discussion in 'all things UNIX' started by Mrkvonic, Sep 5, 2009.

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  1. Mrkvonic

    Mrkvonic Linux Systems Expert

    Joined:
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    Hi all,

    This may not apply to any of you guys here, but if you encounter a strange problem where initrd.img fails to be rebuilt properly after a kernel update and you end up missing the right modules for your hardware, resulting in a failed boot and dropping down to busybox shell in initramfs, then read on:

    http://www.dedoimedo.com/computers/ubuntu-initrd-bug.html


    Super geeky, but who knows, some of you may need it.

    Regards,
    Mrk
     
  2. tlu

    tlu Guest

    Thanks, Mrk, very useful! I haven't run into this problem so far - but who knows ... ;)
     
  3. Mrkvonic

    Mrkvonic Linux Systems Expert

    Joined:
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    There's always the first time. I've seen quite a few threads on Ubuntu forums with people complaining about this. Hopefully, it should help.

    Oh, there's an official bug, too.

    Cheers,
    Mrk
     
  4. lotuseclat79

    lotuseclat79 Registered Member

    Joined:
    Jun 16, 2005
    Posts:
    5,390
    Hi Mrk,

    Have you heard about KSplice, i.e. adds kernel security updates without having to reboot the Ubuntu kernel. Here is a link from Ars Technica:
    Ksplice: Update computers without rebooting

    -- Tom
     
  5. Mrkvonic

    Mrkvonic Linux Systems Expert

    Joined:
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    Started playing with it ... nothing major.
    Will get to it eventually ...
    Mrk
     
  6. steve161

    steve161 Registered Member

    Joined:
    Nov 22, 2006
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    Location:
    New York
    Thanks Mrk. Have saved the article since I have been upgrading the kernel on Jaunty up to 2.6.31-1. Since I have been playing around with kernel upgrades I really haven't had any major problems, but it is good to have some documentation handy just in case. By the way, 2.6.31 is rockin' here.
     
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