Ubuntu :: Sporadic Grub Error 18 Prevents Boot
May 12, 2010
In the past month or two I've run into a strange problem where Grub gives error 18 "Selected cylinder exceeds maximum supported by BIOS". Strange because:
1) after a few tries it mysteriously starts working again without any change on my part
2) I am not running a dual boot system, which seems to be the usual cause of this problem
3) though I have SATA hard drives, I have the RAID capabilities disabled in the BIOS, which can also apparently lead to this problem.
I'm currently running lucid but it also happened once before I upgraded. It seemed to start happening not too long after I installed a new 1TB drive, though that drive is only mounted under /mnt/backup, and not anywhere else of importance, so it may be a coincidence.
Here are some specs on my machine:
BIOS is ALive NF6G-VSTA P1.80
I have 2 SATA drives (no IDE drives except DVD-ROM):
/dev/sda is a 200GB Samsung drive with two partitions
- sda1 is about 197GB and includes / (including /boot)
- sda2 is about 3GB of swap
/dev/sdb is a 1TB Western Digital Drive
- 1 partition mounted at /mnt/backup
If the problem is that I don't have a separate partition for /boot, shouldn't the error show up every time I boot, not just once in a while?
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Jun 21, 2010
I just replaced the HD in my computer with a larger one (1tb) and installed Ubuntu Lucid 64bit onto two partitions (100gb for / and the rest for /home). I rebooted and it loaded up fine. Did some stuff, had to restart (NVidia drivers) and it stopped at a GRUB rescue prompt, reporting the error "Error : Out of Disk". So I rebooted again and it worked no problem. But since then, every second bootup or so delivers this error, while other times it loads Ubuntu fine. I've tried running update-grub a few times and this always seems to work. But ultimately, the problem never goes away. I also had a look at this [URL] But it seems the advice given to change the 10_linux file must be only for an earlier version of GRUB2 as the file on my machine is very different.
EDIT: I've attached the output of a Boot Info Script that I got here: [URL]
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Dec 17, 2010
After a stint of using Ubuntu exclusively, I'm trying to install Windows 7 again. However, when I select boot from CD/DVD in the boot menu, I just get the GRUB menu.
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Jul 8, 2011
I am new to Linux. I have installed RHEL 5.4 on my PC with preloaded Windows XP.
Windows was set as the first boot kernel. So if i do not choose which OS to be loaded it will load Windows by Default.
Today I got an error saying GRub Loading Stage2 read error.
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May 16, 2011
we have an oracle application server on red hat 4.6 upon booting it comes up with error: attempting boot from hard drive (c GRUB)
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Dec 16, 2010
I updated yesterday and now when I start my laptop it goes in to grub rescue mode. I have booted from a 'live cd' and thought I could repair grub from there. In gparted however the partition with ubuntu (sda1) is seen as unknown file system, in terminal when I list the partition table it shows up as FAT16 type. When I try a grub-install it gives this error message:
[Code]....
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Feb 1, 2010
I put my two SATA hard drives in a new computer (new mb, cpu, no pci SATA adapter, built-in nVidia graphics), and I thought everything was going well. The Mythbuntu logo came up, but the bar at the bottom did not move. It eventually dropped me out to a (initramfs) prompt.
When I used the recovery mode, this is where it had problems:
[ 4.756000]ata1:SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 5.068000]ata2:SATA link down (SSTatus 0 SControl 300)
[ 5.552000]ata3:SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 5.864000]ata4:SATA link down (SSTatus 0 SControl 300)
[Code]....
I had a SATA PCI card in my old computer, would adding that to the new system make it work? Is there someway to update the UUID numbers (I think I have done this before).
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Aug 7, 2009
It seems today's kernel update has given a few people some difficulty - but my symptoms seem pretty unique.
* I go through GRUB normally. I 'esc' out of plymouth, and watch my services start. I get message 'mdadm: No arrays found in config file'. Don't remember seeing this before, don't have any RAID devices.
* Next, my file-system gets re-mounted in read-write mode (don't know if this is normal or not). Then, my services begin to start-up. My last service is 'crond'. All services start normally. When it gets to 'crond' the [OK] status is never reported. Visually, the screen flickers a few times, stops, then nothing happens. I can type characters though, and they do show up.
* If I then shutdown my computer by pressing the power button, the shutdown procedure begins. 'crond' shuts down successfully (indicating it started just fine), and the computer goes down normally.
* I don't believe this is an NVIDIA issue. I rescue-moded and changed my XORG.conf to the basic VESA driver to eliminate this possibility.
* Worst of all -- No older kernels work now either. They behave in the same way. When I try to boot to other run-levels, no luck either. This tempts me to think the problem might be file-system related and the re-generation of grub.conf threw something off?
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Apr 7, 2010
after doing an upgrade to 10.4 and updating grub I get this message. how do I address this
[Code]...
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Oct 15, 2010
Following the instructions, I get to a little after "setting software channels" and a blcr-dkms_0.8.2-13 blacklist error pops-up and ends the installation.
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Feb 6, 2010
not sure what happened, yesterday i installed the new kernel and played around a bit by uninstalling some older kernels. Everything was fine but now i cant boot into ubuntu any more. I have a Dual boot and Grub let me boot into windows. for linux grub gave error 17 (if i remember correctly).o i popped in the LiveCD and tryed gparted to check for errors (nothing changed). I tried rewriting grub from the live cd and that made matters worse.
Code:
grub> find /boot/grub/stage1
find /boot/grub/stage1
[code]....
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Mar 23, 2009
I changed something in the BIOS which causes a kernel panic, if my card is installed (Ultra ATA/133 PCI-to-ATA Host Controller). I had it working fine til a month ago, when I installed some Linux on a HD on that card. That booted fine too, and I did some disk switching. Still all was well, but yesterday I tried to boot XP (2nd IDE master)(GRUB is Ubuntu/2nd IDE slave), and XP wouldn't load. I clicked here, and clicked there, and now XP and Ubuntu boot, ONLY if the RAIDbus card is Out. Put the card in, and I get a kernel panic/lockup. This HAS to be a BIOS function - nothing is different on the disks, including GRUB menu.
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Sep 4, 2010
I installed Ubuntu 10.04 LTS on a machine with 8.04 LTS, and have dualboot between those i system.The problem is when a start a get a message:'Boot error'If I hit 'Esc' I get to the Grub -meny and can boot as normal.
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May 21, 2011
Ubuntu 9.10 was set up to handle the booting selection - previously I thought it was xp but Ubuntu 9.10 "did" it. The system started out as a xp / ubuntu 9.10 dual boot on a 400gb drive. xp has 210gb, ub has 80 and their is a 100gb shared storage. Xp was installed first and then I followed a guide over at linuxconfig.org to get ub installed so that I could select which OS was wanted at boot. Ubuntu manages the boot up menu (Went back to look at my notes from the original setup) The owner tried to update to ub 11.04 and afterall was said and done the machine now boots to the message
error file not found grub rescue I can't say if 11.04 was properly installed or not. Ask whatever you like and I'll give the best answer I can. I think the xp install is okay but I can't say for certain as I don't know how to boot it outside the bootmanager at startup. Data has been saved so if I have to blow it all away and start over I can but I'm hoping I won't have to.
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Apr 30, 2010
After upgrading to 10.04 from 9.10 Win7 wouldn't startup any more. So I tried this HowTo: [URL] to restore Grub2. But now each time I boot up I get this two lines: error file not found grub rescue> I have NO idea what to do.
[Code]...
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Jun 17, 2010
I'm trying to fix the partitions on my laptop. how it was setup before I made the change:
[code]...
I shrunk the windows partition to about 150 gigs, and used the unallocated 25 or gigs and formatted it as ext4 and copied dev/sda1 to it. Now I have all the same as above now with
[code]...
I had two installations of ubuntu and deleted the sda1 partition. Now I get a GRUB Error 17 when I boot. I'm in a live CD and I have access to a console, how can I reconfigure GRUB?
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Sep 4, 2010
Edit: This is somewhat inaccurate, please see post #16 on page 2 for my actual situation
I'm more than a little confused by this. A little while back I had to reinstall my machine because I had a hard disk failure and I replaced my primary drive.Everything went perfectly smoothly, but then a couple of weeks after that when I rebooted, it dumped my into the grub rescue console
Code:
error: out of disk.
grub rescue>
So, I found a solution to the problem on these forums, rebooted perfectly fine, and thought everything was fine. Until the next time I rebooted, when it happened again. And now, every single time I reboot, I get the same issue.I have to do the following, each and every time I want to reboot - and i'm at a loss to explain why grub is borking itself every time.Boot off a live cd.Open a konsole window
Code:
sudo su -
mount /dev/sda6 /mnt
mount /dev/sda1 /mnt/boot
mount --bind /dev /mnt/dev
[code]....
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Feb 13, 2010
I used proprietary software (acronis trueimage) to clone an Opensuse 11.1 machine, onto another machine with somewhat distinct hardware (different motherboard, less memory). I expected to have to change entries in /boot/grub/menu.lst, /etc/fstab, etc. I was told a good way to do this was to use the Opensuse DVD's "repair installed system" feature.
When I ran the repair, I was informed that "bootloader configuration file contains errors". I attempted to re-install the bootloader, but received this unhelpful error: "An error occurred during boot loader installation. Retry boot loader configuration?". When I boot the system, I just see the text "GRUB ", followed by a flashing underscore character.
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Jun 10, 2010
i tried to download the nvidia driver for a custom version of opensuse 11.1 but it comes up with an error after i fill in the server name and directory on server which prevents the installation. help!
the error is: ERROR! A valid domain name consists of components seperated by dots. Each component contains letters, digits, numbers, and hyphens. A hyphen may not start or end a component and the last component may not begin with a digit. A valid IP address consists of four integers in the range of 0-255 seperated by dots.
however, i have not got a domain name or an ip filled in. the download website (Nvidia Installer HOWTO for SUSE LINUX users) did not provide either. i dont know why it wont work without them.
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Feb 15, 2010
Here the other day, I decided to try out 10.04 Alpha. But after I had done it, I weren't able to boot Vista anymore. When I choose it in the grub boot loader, it changes to only showing the word "GRUB", and nothing more happens. As a desperate attempt to fix it, and because I weren't happy using the Alpha, I then decided to switch back to 9.10, but the problem with booting Vista persists.
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Jul 5, 2010
Here is my current setup for my laptop: I dual boot Windows Vista and Ubuntu 9.04. Vista is on the laptop's HDD while Ubuntu is on an external USB HDD. When turning my laptop on, if the external hard drive is either not on or disconnected, I get "Error 21" and nothing happens. Normally this wouldn't be a problem, but when I need to take my laptop somewhere where I do not have access to my external HDD, it is rendered completely useless. So is it possible to set up GRUB (or possibly another bootloader) to boot regardless of whether or not it detects the drive Ubuntu is installed on?
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Jul 8, 2010
then my computer starts black window opens error: no such partition grub rescue>
[Code]....
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Jul 30, 2010
I have an IBM T60 which already had Windows 7 and Ubuntu 10.04 running fine in dual boot. For work reasons, I also needed Windows XP, so I started to install it last night. The install didn't work because of lacking SATA drivers, but when I tried to reboot my computer, GRUB was giving an error. [grub rescue>] Rebooted with the live CD and attempted to reinstall GRUB, but I still get the same error when I restart. I reinstalled GRUB with the directions from here: [URL]...
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Sep 10, 2010
I just installed Ubuntu on a computer but it can't boot, it ends with a greb-rescue error.
What shall I do? Here's my fstab and my sudo blkid. I did an ubuntu side installation with xp.
Le FSTAB
# /etc/fstab: static file system information.
# Use 'blkid -o value -s UUID' to print the universally unique identifier for a device; this may be used with UUID= as a more robust way to name devices that works even if disks are added and removed. See fstab(5).
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda5 during installation
UUID=3a307ad3-99a9-4301-8ad0-f601ef9d157c / ext4 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
UUID=5b3ff501-f07c-4c2e-ac2d-a238b599cbe2 none swap sw 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
SUDO BLKID:
/dev/sda1: LABEL="System" UUID="26AC3F75AC3F3E9D" TYPE="ntfs"
/dev/sda6: UUID="5b3ff501-f07c-4c2e-ac2d-a238b599cbe2" TYPE="swap"
/dev/loop0: TYPE="squashfs"
/dev/sda5: UUID="3a307ad3-99a9-4301-8ad0-f601ef9d157c" TYPE="ext4"
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Jan 15, 2011
I was trying to install Backtrack - Ubuntu dual boot with ubuntu pre-installed. I created another partition for backtrack but now grub doesn't point to the correct file in order to start Ubuntu, and so only backtrack starts. How can I correct it? I am able to mount my Ubuntu Partition and the files at /boot/ (in the ubuntu partition) mentioned at menu.lst at /boot/grub/ on the backtrack partition seem to exist... Does anybody know what should I do? (e.g. point menu.lst to the /dev/sda1/boot/IMAGES or something?)
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May 6, 2011
I am persuaded now (too late) that I need to invest in a robust backup scheme.
I had refit dual-booting snow leopard and ubuntu 10.10.
I tried to upgrade to 11.04 and it got stuck on bootup after the upgrade.
So I went into disk utility and deleted what I thought were all partitions except the mac one. I rebooted, and now I get the grub no partition error.
Did I delete my mac partition? I don't think that I did. How do I boot back into mac os x? Using the option key on bootup no longer shows a mac disk and inserting the mac os x system cd doesn't show any options either.
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May 7, 2011
I did an upgrade and now getting grub error 15 file not found on boot, memtest runs ok. any help would be appreciated. system information is listed below:
Find /grub/stage1
hd(1,0)
Menu.lst
[code]....
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Jul 10, 2010
I installed GRUB 2 for someone, and I made a mistake, and did not specify the right place (/dev/sda3 for me) when it asked. Now I can't do anything. I can't boot GRUB, can't do nothing.
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May 13, 2010
On boot I'm getting
GRUB error 17
on a Windows vista dual boot with mandriva 2010, and I'm using a mandriva LiveCD.
fdisk -l
I see other posts asking for output of grub files in /etc/ none found on my kit, closest I see is
other posts reference this block of cmds to which I need to perserve my dual boot so uncertain how to proceed
How do I make sense of output of fdisk shown above to issue above block of cmds ? Am familiar with unix as a software developer, not sysadmin
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Apr 10, 2010
I have a SONY VAIO CW26 laptop. I got a Windows-7 version prepacked with the laptop.I installed Ubuntu Karmic 9.10 over a new partition that i created using the inbuiltfacility in windows7. Both the operatings systems i.e windows7 and ubuntu karmic 9.1 were working nicely.Today i created 2 more partition within the partition inside windows.Once I rebooted after creation of the new partitions my laptop is just showing a black screen with following message.
GRUB loading.
error: unknown filesystem
grub rescue>_
[code]....
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