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Old 03-15-2003, 08:09 PM   #1
mbatalla82
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Registered: Mar 2003
Posts: 9

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GRUB black screen


I have a dual boot system with XP and Redhat 8.0.
I have the XP bootloader on the MBR, and then GRUB on the linux partition.
It was working fine before, but i don't know if I changed anything, or whatever, but now whenever i choose to boot into RH, i get a black screen with the word GRUB. I have checked grub.conf and it looks ok, but can't get it to boot. Here is my grub.conf and my partition table.
Any ideas? Thanks a lot.


[root@localhost boot]# fdisk -l

Disk /dev/hda: 255 heads, 63 sectors, 2432 cylinders
Units = cylinders of 16065 * 512 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1 1020 8193118+ b Win95 FAT32
/dev/hda2 1413 2432 8193150 f Win95 Ext'd (LBA)
/dev/hda4 1021 1412 3148740 83 Linux
/dev/hda5 1413 2432 8193118+ b Win95 FAT32

Partition table entries are not in disk order

----------------------
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that
# all kernel and initrd paths are relative to /, eg.
# root (hd0,3)
# kernel /boot/vmlinuz-version ro root=/dev/hda4
# initrd /boot/initrd-version.img
#boot=/dev/hda4
default=0
timeout=10
splashimage=(hd0,3)/boot/grub/splash.xpm.gz
title Red Hat Linux (2.4.18-24.8.0)
root (hd0,3)
kernel /boot/vmlinuz-2.4.18-24.8.0 ro root=/dev/hda4 hdc=ide-scsi
initrd /boot/initrd-2.4.18-24.8.0.img
title Red Hat Linux (2.4.18-14)
root (hd0,3)
kernel /boot/vmlinuz-2.4.18-14 ro root=/dev/hda4 hdc=ide-scsi
initrd /boot/initrd-2.4.18-14.img
title DOS
rootnoverify (hd0,0)
chainloader +1


--------------------
 
Old 03-16-2003, 04:56 AM   #2
rch
Member
 
Registered: Feb 2003
Location: Santa Clara,CA
Distribution: Mandriva
Posts: 909

Rep: Reputation: 48
Re: GRUB black screen

Quote:
Originally posted by mbatalla82
I have a dual boot system with XP and Redhat 8.0.
I have the XP bootloader on the MBR, and then GRUB on the linux partition.
It was working fine before, but i don't know if I changed anything, or whatever, but now whenever i choose to boot into RH, i get a black screen with the word GRUB. I have checked grub.conf and it looks ok, but can't get it to boot. Here is my grub.conf and my partition table.
Any ideas? Thanks a lot.


[root@localhost boot]# fdisk -l

Disk /dev/hda: 255 heads, 63 sectors, 2432 cylinders
Units = cylinders of 16065 * 512 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1 1020 8193118+ b Win95 FAT32
/dev/hda2 1413 2432 8193150 f Win95 Ext'd (LBA)
/dev/hda4 1021 1412 3148740 83 Linux
/dev/hda5 1413 2432 8193118+ b Win95 FAT32

Partition table entries are not in disk order

----------------------
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that
# all kernel and initrd paths are relative to /, eg.
# root (hd0,3)
# kernel /boot/vmlinuz-version ro root=/dev/hda4
# initrd /boot/initrd-version.img
#boot=/dev/hda4
default=0
timeout=10
splashimage=(hd0,3)/boot/grub/splash.xpm.gz
title Red Hat Linux (2.4.18-24.8.0)
root (hd0,3)
kernel /boot/vmlinuz-2.4.18-24.8.0 ro root=/dev/hda4 hdc=ide-scsi
initrd /boot/initrd-2.4.18-24.8.0.img
title Red Hat Linux (2.4.18-14)
root (hd0,3)
kernel /boot/vmlinuz-2.4.18-14 ro root=/dev/hda4 hdc=ide-scsi
initrd /boot/initrd-2.4.18-14.img
title DOS
rootnoverify (hd0,0)
chainloader +1


--------------------
do you use nt boot loader to boot into linux?
 
Old 03-16-2003, 11:00 AM   #3
mbatalla82
LQ Newbie
 
Registered: Mar 2003
Posts: 9

Original Poster
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yes, i have the NT (XP) bootloader on the MBR, and from that i go to grub on the linux partition
 
Old 03-17-2003, 09:24 AM   #4
rch
Member
 
Registered: Feb 2003
Location: Santa Clara,CA
Distribution: Mandriva
Posts: 909

Rep: Reputation: 48
Quote:
Originally posted by mbatalla82
yes, i have the NT (XP) bootloader on the MBR, and from that i go to grub on the linux partition
well i think that you should try again to install lilo on your linux partition
copy the bootsector with dd to windows partition
reedit boot.ini
and reboot
i think it should work
(incidentally i tried once this approach booting through nt boot loader - the bad thing about using this approach is that every time you change some partition you have to redo everything- so isn't lilo/grub on the mbr a better idea)
keep posted
 
Old 03-17-2003, 03:58 PM   #5
mbatalla82
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Registered: Mar 2003
Posts: 9

Original Poster
Rep: Reputation: 0
Thanks a lot....that did.
I forgot about a kernel update that I told the Red Hat updater thing to do. That was what messed it up.
 
  


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