failed yum update, new kernel won't boot

[Fred Smith]

On Thu, Jan 22, 2015 at 12:39:01PM +0800, Jean Jacques wrote:
>    what version?

the original posting said: 3.14.27-100
> 
>    2015-01-22 12:36 GMT+08:00 Chris Murphy <[1]lists at colorremedies.com>:
> 
>      On Wed, Jan 21, 2015 at 6:12 PM, Fred Smith
>      <[2]fredex at fcshome.stoneham.ma.us> wrote:
>      > I tried "yum reinstall" for all the kernel bits of the latest
>      (non-
>      > working) kernel, and it said "not available" for all but (I think
>      > it was) headers. What does "not available" mean here? I mean, it
>      had
>      > just downloaded for installation a little while before, they've
>      > disappeared in the meantime?
>      It might be helpful to include the exact actual error message.
>      Pretty
>      good chance these days the filesystem is OK if the system boots, but
>      it's not a half bad idea to force an fsck after such an event. Then:
>      yum clean all
>      yum remove bad-kernel
>      yum update
>      If it fails on boot again, then you'll need to get more info from
>      the
>      failed boot if you want to use this kernel. Editing that kernel's
>      grub
>      menu entry, and removing boot parameters 'rhgb quiet' should help
>      expose what the problem is. If not, then it gets a bit more
>      involved.
>      --
>      Chris Murphy
>      --
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> References
> 
>    1. mailto:lists at colorremedies.com
>    2. mailto:fredex at fcshome.stoneham.ma.us
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-- 
---- Fred Smith -- fredex at fcshome.stoneham.ma.us -----------------------------
                    The Lord detests the way of the wicked 
                  but he loves those who pursue righteousness.
----------------------------- Proverbs 15:9 (niv) -----------------------------