Re: failed yum update, new kernel won't boot

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On Wed, Jan 21, 2015 at 09:36:48PM -0700, Chris Murphy wrote:
> On Wed, Jan 21, 2015 at 6:12 PM, Fred Smith
> <fredex@xxxxxxxxxxxxxxxxxxxxxx> 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

It's a little hard to get without writing down by hand, unless there's
a way I don't know of to get panic dumps written out to a network
drive.

there isn't really any distinct error message, just a panic dump
full of hexadecimal numbers.

> 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.

F19 uses grub2, I think? I gotta admit I don't know how to edit a grub2
configuration. I simply know it's completely different.

> 
> 
> -- 
> Chris Murphy
> -- 
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-- 
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
   "For the word of God is living and active. Sharper than any double-edged 
   sword, it penetrates even to dividing soul and spirit, joints and marrow; 
              it judges the thoughts and attitudes of the heart."  
---------------------------- Hebrews 4:12 (niv) ------------------------------
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