F20: yum update does not automatically update grub2

Ranjan Maitra maitra.mbox.ignored at inbox.com
Sun Dec 22 22:04:47 UTC 2013

On Sun, 22 Dec 2013 22:47:05 +0100 Michael Schwendt
<mschwendt at gmail.com> wrote:

> On Sun, 22 Dec 2013 15:26:32 -0600, Ranjan Maitra wrote:
> > I removed the new kernel, updated grub2-mkconfig and rebooted into the
> > old kernel. Does this not bring it back to the old setup (before
> > installation of the new kernel). Or if your question was if the problem
> > is reproducible in the sense that grub does not automatically update
> > after a yum update (or downdate) of the kernel, then the answer is yes.
> Great! Then you can try running the kernel package's %posttrans scriptlet
> commands manually and try to determine which part fails. Here it calls
> the kernel-install shell script:
>   # rpm -q --scripts kernel|tail -2
>   posttrans scriptlet (using /bin/sh):
>   /bin/kernel-install add 3.12.5-302.fc20.x86_64 /boot/vmlinuz-3.12.5-302.fc20.x86_64 || exit $?

OK, thanks! I am not sure I understood this correctly, but here is what
I did:

sudo yum update -y (this brings back the new kernel and installs it).

rpm -q --scripts kernel|tail -2
posttrans scriptlet (using /bin/sh):
/bin/kernel-install add
3.12.5-302.fc20.x86_64 /boot/vmlinuz-3.12.5-302.fc20.x86_64 || exit $?

So, this appears to match whatever you have written above. Now what
should I do?

> > In /etc/grub2.cfg as in:
> > 
> > linux   /vmlinuz-3.11.10-301.fc20.x86_64 resume=/dev/sda2
> > root=/dev/sda3 ro vconsole.font=latarcyrheb-sun16  nomodeset rhgb quiet
> > 
> > Is this not the right place to have done it?
> /etc/sysconfig/grub is the file to edit, since grub.cfg may be overwritten
> (e.g. when running grub2-mkconfig), and if you are not careful when
> editing the symlink, it will be replaced with a file and disconnected from
> its target.

So, add this resume=/dev/sda2 to the stuff on  GRUB_CMDLINE_LINUX ? Any
way to do this without the hardcoding for resume?

Thanks again!

This perhaps needs also to be added onto the heplful bug report in: 



Thanks again!

> # file /etc/grub2.cfg 
> /etc/grub2.cfg: symbolic link to `../boot/grub2/grub.cfg'
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