Grub Error Collection [Part 7] [POST GRUB QUESTIONS HERE!]

fsudler · n00b Joined: 21 Oct 2006 Posts: 11

changed my grub.conf to the following, to no avail... same problem.

yabbadabbadont · Posted: Sun Oct 22, 2006 12:18 am Post subject:

I assume that you just made some typos in the grub.conf when you posted it, as it is incorrect from the example I gave.

Try installing grub into the mbr of hda as well with "grub-install /dev/hda". You were correct to change the hd0 and hd1 references to match what was in device.map.
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fsudler · n00b Joined: 21 Oct 2006 Posts: 11

if I install to /dev/hda will that affect win-doze?

and yes, I just noticed my grub.conf was pasted incorrectly.

yabbadabbadont · Posted: Sun Oct 22, 2006 12:50 am Post subject:

Installing to /dev/hda only replaces the MBR on the windows drive. It doesn't affect windows itself. If you are actually getting to the grub command line though, then I don't think you really need to do that. (I re-read your posts since I made that suggestion) What is the exact error message that grub prints when it drops you to the grub command prompt?
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fsudler · n00b Joined: 21 Oct 2006 Posts: 11

No error msg what-so-ever. Just straight to the command line. Here's the odd thing. I will type in the following and it gets me running.

yngwin · Posted: Sun Oct 22, 2006 1:45 pm Post subject:

That looks to me like grub is installed in the right place, but it can't find it's grub.conf. I'd suggest to reinstall grub to the same place, and make sure that root(x,x) points to the partition that has the grub.conf (your /boot partition).
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nixnut · Posted: Mon Oct 23, 2006 4:46 pm Post subject:

Merged some posts above.
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fsudler · n00b Joined: 21 Oct 2006 Posts: 11

piotrwoj · n00b Joined: 29 Sep 2006 Posts: 9

Grub2 (next generation) solve a lot of problems.
http://www.gnu.org/software/grub/grub-2-download.en.html
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sceptiq · Tux's lil' helper Joined: 29 Nov 2004 Posts: 103

Salut,

Im trying to use the fallback option on my root server...
I tested it at home and i failed, I defined a fallback Kernel, made an error in the default "kernel" option
an made a restart. Booting fails and it stops witch "Press any key to continue..." ...the fallback kernel never gets used
so this option is not really usefull for a root-server...

So my question is there a way to disable the Press any key to continue..." question?

thx

UPs sry should be moved to the grub thread

nixnut · Posted: Fri Oct 27, 2006 1:04 pm Post subject:

merged above post here.
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Guar0x · Posted: Thu Nov 02, 2006 6:34 am Post subject: Blur after booting

Hello, im new to Linux and Gentoo.

I had a problem earlier with Error 15 of grub, it turns out that grub was using different numbers for my hard disks, i had /boot in /dev/hdb1 so i put in grub root (hd1,0) and i got the error(i noticed because it said systemfile is fat and it's supposed to be ext2), when i changed it to (hd0,0) it got fixed. As it said in the first post of the grub errors at the end of error 15 it says "It may also be possible that grub uses other numbers for your drives than your kernel. So although it may be hda it could be that it is not hd0. However usually this is not the case." so after a couple hours of looking through posts, took a break and then i saw the 'fat' thing. Fresh eyes heheheheh.

But then i had a blackscreen after boot, so I read that i had to remove the vga= command from the grub.conf file. Now comes the problem, grub screen appears (and it's blurry but i can read it) I select the option i have for gentoo, then it starts loading a lot of things, but every character is really really blurry. finally it stops and it's waiting for me to do something, after a while i figured out that i needed to put the password, so I do and then all i see is (text all over but blurry) and something red and something blue at the start of line, which i guess is the prompt where i can keep doing the installation steps which would be 11. Finalizing your Gentoo Installation 11.a. User Administration from the handbook (which i have followed to the best of my abilities).

Im guessing it has something to do with my video card, which is ATI X800XL 256mb PCIe.
it's an AMD 64 X2 4200 if it matters.... ASUS A8N-SLI Deluxe.

I read a post where someone had the same problem but when he replied after, all he said was "dont worry i got it fixed" and he didnt say how.

My kernel is set to everything i could think of that would help the hardware i have (i mainly noticed some options for PCIe and dual core and some other options that the wiki had for installing ati drivers, which i did but apparently it didnt really work) maybe it's something i need to emerge, or i dont know, you guys know more than me.

Thanks in advance.

Daniel

NeddySeagoon · Posted: Thu Nov 02, 2006 2:46 pm Post subject:

Guar0x,

Welcome to gentoo.

I'm glad to hear you are over your grub problems and are able to boot.

For some users, having the wrong splashimage line makes a mess of things.
Boot normally, log in as root, then type the command reset and press the return key.

That should reset your console and may be fix the blurring.
If so, check your splashimage in grub.conf. Comment the line out and see if that fixes it.

If you can't see what you are doing, boot with the liveCD, mount your root and boot partitions.
grub.conf is then at /mnt/gentoo/boot/grub/grub.conf and can be edited directy with the command

Guar0x · Posted: Thu Nov 02, 2006 6:01 pm Post subject:

NeddySeagoon · Posted: Thu Nov 02, 2006 6:34 pm Post subject:

Guar0x,

Grub has done its stuff and loaded your kernel.
The kernel has mounted your root filesystem, so your root= statement must be right.

This

Guar0x · Posted: Thu Nov 02, 2006 7:00 pm Post subject:

That was it, my fstab was wrong, when i edited it i didnt see there were lines with /dev/ROOT /dev/BOOT and such, so i just commented them out with # and it boots ok, now im gonna keep working on the handbook and finish the installation.

Thank you!!

NeddySeagoon · Posted: Thu Nov 02, 2006 7:08 pm Post subject:

Guar0x,

You shouldn't do that. You need to change the words in capital letters to your actual partition names
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Guar0x · Posted: Thu Nov 02, 2006 7:23 pm Post subject:

i had already done that. my fstab was like this

NeddySeagoon · Posted: Thu Nov 02, 2006 7:53 pm Post subject:

Guar0x,

Ah ok - thats another way to get it right.
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Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

CZAirwolfOC · n00b Joined: 08 Nov 2006 Posts: 32

I have problem with grub. Using 965 chipset (Gigabyte DS4) with JMicron PATA. Harddisk and CD are PATA.
With standard AMD64 miniISO and "all-generic-ide irqpoll" is HDD identified as hdj...

HDD>
part1-5 Win partitions (4 is extended for 5,6,7)
hdj6 ext3
hdj7 swap

Grub errors for root(hd0,0) - no block device or hd(10,0) syntax error
Lilo dont want work with this kernel.

Using miniISO with JMicron support (taken from Unsuported HW)>

HDD identified as /dev/sda>
Grub error> /dev/sda6 is unknown partition 0x7...
Lilo> able to write to MBR hurrraaah...but cant find root after boot with kernel from miniISO - i found JMicron disabled in kernel messages...

Need help setting boot...i will test evening my other compiled kernel with all needed drivers in, but still need boot help...

Crooksey · Posted: Wed Nov 08, 2006 11:50 am Post subject:

Post how you set up your hardrives in detail and also the copy of grub.conf or lilo.conf, so we can see if things are right there.

NeddySeagoon · Posted: Wed Nov 08, 2006 8:29 pm Post subject:

CZAirwolfOC,

Welcome to Gentoo.

If you have a single PATA drive, it will be root (hd0... to grub.
You need to tell grub root (hd0,5) where it asks for the partition for its files. As you have no seperate /boot, /boot is a directory on your /dev/hdj6.

Since your drive IS PATA, not SATA, it will appear to the kernel as /dev/hdX something so your root filesystem is at /dev/hdX6
I guess X will be either a or j
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

CZAirwolfOC · n00b Joined: 08 Nov 2006 Posts: 32