/boot: how do I change the current kernel? Post: 302755121

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Operating Systems Linux Slackware /boot: how do I change the current kernel? Post 302755121 by stf92 on Saturday 12th of January 2013 01:06:34 AM

01-12-2013

Registered User

I did switch to a generic kernel, and the OS is booted fine (I had to add an initrd, besides). But lilo's menu screen shows garbage. Everything in the screen looks well save for a letter U printed within the red box. At this time, lilo is waiting keyboard input, I mean lilo has the control (of course lilo calls some BIOS routines). So, what has the kernel to do with all this? How can the fact of having changed the kernel produce this effect? Something is wrong in the code in the MBR and the other sectors that contain lilo's bootloader. Is there a way to check this code? Or check the BIOS?

---------- Post updated at 03:06 AM ---------- Previous update was at 02:18 AM ----------

I think the letter U has been printed by lilo as an indicator, but I do not know what it means. The red box menu has two entries, 'slack14' and 'xp'. The 'U' is beside 'slack14'. Does anybody know it's meaning?

stf92

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LEARN ABOUT CENTOS

grub2-bios-setup

GRUB-BIOS-SETUP(3)					     Library Functions Manual						GRUB-BIOS-SETUP(3)

NAME

       grub-bios-setup -- Set up images to boot from a device.

SYNOPSIS

       grub-bios-setup [-a | --allow-floppy] [-b | --boot-image=FILE]
			[-c | --core-image=FILE] [-d | --directory=DIR]
			[-f | --force] [-m | --device-map=FILE]
			[-s | --skip-fs-probe] [-v | --verbose] DEVICE

DESCRIPTION

       You should not normally run this program directly.  Use grub-install instead.

OPTIONS

       --allow-floppy
	      Make  the device also bootable as a floppy.  This option is the default for /dev/fdX devices.  Some BIOSes will not boot images cre-
	      ated with this option.

       --boot-image=FILE
	      Use FILE as the boot image.  The default value is boot.img.

       --core-image=FILE
	      Use FILE as ther core image.  The default value is core.img.

       --directory=DIR
	      Use GRUB files in the directory DIR.  The default value is /boot/grub.

       --force
	      Install even if problems are detected.

       --device-map=FILE
	      Use FILE as the device map.  The default value is /boot/grub/device.map .

       --skip-fs-probe
	      Do not probe DEVICE for filesystems.

       --verbose
	      Print verbose messages.

SEE ALSO

       info grub

								  Wed Feb 26 2014						GRUB-BIOS-SETUP(3)

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