Am 09.04.2013 00:00, schrieb Jeffrey Bastian:
> On Mon, Apr 08, 2013 at 04:03:47PM -0500, Jeffrey Bastian wrote:
>> I removed my initramfs-0-rescue-* file because I didn't know what it was
>> and no rpm claimed to own it. How do I get it back? I've tried running
>> dracut with various options and it doesn't regenerate the image.
>
> Attempting to answer my own question... I'm not sure if this is the
> correct way, but I tried running this:
>
> /etc/kernel/postinst.d/51-dracut-rescue-postinst.sh $(uname -r) \
> /boot/initramfs-$(uname -r)*
>
> And now I have rescue files again:
>
> # ls -latr /boot/*0-rescue*
> -rw-------. 1 root root 27496022 Apr 8 16:46 /boot/initramfs-0-rescue-...img
> -rw-------. 1 root root 7860871 Apr 8 16:46 /boot/vmlinuz-0-rescue-...
>
>
> Is dracut supposed to run the /etc/kernel/postinst.d/* scripts
> automatically? I ran dracut through 'bash -x' and strace and it didn't
> appear to even look in /etc/kernel/postinst.d
>
>
> The reason I removed the file in the first place is because grub2-mkconfig
> generates a not-very-descriptive entry in the menu. My grub.cfg now has this:
> menuentry 'Fedora, with Linux 0-rescue-344...c20' ... {
>
> Furthermore, my system is set up to dual boot between Fedora 17 and 19
> Alpha, and now grub2-mkconfig has set this rescue image as the default
> kernel for F17.
> menuentry 'Fedora release 17 (Beefy Miracle)' ... {
> ...
> linux /vmlinuz-0-rescue-344...
> }
>
> That seems a little strange to me.
>
> Jeff
>
/etc/kernel/postinst.d/* scripts are called by new-kernel-pkg, which is called
in the kernel.spec, when you install a kernel.
new-kernel-pkg uses grubby to generate a grub config.
grub2-mkconfig destroys anything grubby has setup.
Well, we could patch grub2-mkconfig to recognize the rescue image, but we should
better concentrate to make grub2-mkconfig obsolete and integrate the bootloader
spec.
http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
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