F20: yum update does not automatically update grub2

Michael Schwendt mschwendt at gmail.com
Tue Dec 24 09:12:46 UTC 2013

On Mon, 23 Dec 2013 19:25:49 -0600, Ranjan Maitra wrote:

> ### BEGIN /etc/grub.d/10_linux ###
> menuentry 'Fedora, with Linux 3.11.10-301.fc20.x86_64' --class fedora
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'gnulinux-3.11.10-301.fc20.x86_64-advanced-f96397ae-311d-4826-8fb0-6a0fe710dd9c' { load_video
> set gfxpayload=keep insmod gzio
> 	insmod part_msdos
> 	insmod ext2
> 	set root='hd0,msdos1'
> 	if [ x$feature_platform_search_hint = xy ]; then
> 	  search --no-floppy --fs-uuid --set=root
> --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1
> --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1'
> 54f94607-a593-4d5c-b03a-356574992f4e else search --no-floppy --fs-uuid
> --set=root 54f94607-a593-4d5c-b03a-356574992f4e fi
> linux	/vmlinuz-3.11.10-301.fc20.x86_64 resume=/dev/sda2
> root=/dev/sda3 ro vconsole.font=latarcyrheb-sun16  nomodeset rhgb
> quiet } 

There is no "initrd" parameter for this first boot entry!
What are the contents of the /boot directory?

If the initramfs image file for this kernel is missing, it's no surprise that
grubby doesn't recognise this boot menu entry. The image may be regenerated
using "dracut" (see "man dracut").

That it refers to the root device with UUID and /dev/sda3 is strange, too.

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