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Re: grub

Dne, 04. 01. 2011 13:12:52 je John Lindsay napisal(a):

Recently I had to do a reboot. I get the following 'grub' screen


title        Debian GNU/Linux, kernel 2.6.26-2-686
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.26-2-686 root=/dev/hda1 ro quiet
initrd        /boot/initrd.img-2.6.26-2-686

title        Debian GNU/Linux, kernel 2.6.26-2-686 (single-user mode)
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.26-2-686 root=/dev/hda1 ro single
initrd        /boot/initrd.img-2.6.26-2-686

title        Debian GNU/Linux, kernel 2.6.26-1-686
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.26-1-686 root=/dev/hda1 ro quiet
initrd        /boot/initrd.img-2.6.26-1-686

title        Debian GNU/Linux, kernel 2.6.26-1-686 (single-user mode)
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.26-1-686 root=/dev/hda1 ro single
initrd        /boot/initrd.img-2.6.26-1-686

title        Debian GNU/Linux, kernel 2.6.24-1-686
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.24-1-686 root=/dev/hda1 ro quiet
initrd        /boot/initrd.img-2.6.24-1-686

title        Debian GNU/Linux, kernel 2.6.24-1-686 (single-user mode)
root        (hd0,0)
kernel        /boot/vmlinuz-2.6.24-1-686 root=/dev/hda1 ro single
initrd        /boot/initrd.img-2.6.24-1-686
If I allow it to select default the computer seems to go into a loop. If I select any of the alternate except the very last option it seems to loop ie continuous reboot. Something has gone wrong but I don't know what -- if I put the # sign in front of all lines except the last set will that then become default and boot only kernel 2.6.24-1-686(single user mode)? I really don't want to play with grub but if I have a long power outage and the computer shuts down and I'm not around the darn thing will just reboot continuously and my wife who also uses this computer will have words to say about my choice of OS's. 

John
Grub has a command for setting the default stanza to boot (please google for that; it also may be dependent upon the version of Grub you're using). You just have to insert that command into your menu.lst (or grub.cfg -- again depending upon the version of Grub you're using). That said, however, the thing to do is track down why all the other entries are broken, what is the reason for the continuous loops, and what update (or other cause) brought it about. Installed new kernel recently? Updated the initrd? Modified partitions? Updated Grub? Changed Xorg.conf and/or installed new video driver? It could be anything of these, or something completely different... 

--
Cheerio,
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