Software :: GRUB Read Error After Upgrade To Grub2?
Mar 19, 2010
I have a Debian Lenny box with two hard drives in it (no dual boot; /home and /var are on the second drive). This machine was working fine until earlier this week when I ran an upgrade and restarted it. I think during this upgrade Grub got upgraded to Grub2, and now when I try to reboot I just get this:
Code:
GRUB Read Error
Hitting Enter yields Operating System Not found. This is it, I can't get into the grub screen to enter the boot command or anything. I booted the machine into the rescue environment on the Install CD, and was able to mount all the file systems and chroot in. I tried reinstalling grub2, but this did not help. I ran fsck on my /boot file system, but it appears fine. The boot partition is also marked with a bootable flag in fdisk. I did try to downgrade back to grub1.5 which, while it didn't given an error did hang shortly after it loaded.
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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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Jun 21, 2010
I have been running a dual boot XP and Ubuntu 8.04 on two separate hard drives for a while now without any problems. I used the method posted http://ubuntuforums.org/showthread.p...light=dualboot. I will be upgrading to 10.4 soon (probably after the re-spin in July) and was wondering if I will have problems after upgrading dual booting.
I do not know if while upgrading Grub remains or if Grub2 tries to overwrite. I have read that Grub2 will try to install onto all partitions and hard drives in a fresh install but do not know about upgrading. If it does try I think I need to put it in hda,1 which is the primary drive where Ubuntu is located.
This is not something I have been able to find the answer to with google. I also have Kubuntu on the system which I can change with session manager and am not sure what will happen to that once I upgrade Ubuntu.
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May 21, 2011
I moved from 8.04.2 to 10.04.2 and tried to upgrade from GRUB Legacy to Grub2. I must have made a mis-step somewhere in the process as on boot it now tells me
Code:
GRUB Loading stage1.5.
GRUB Loading,
Error 15
_
Is there a nuke from orbit, no finesse way of just ripping all the existing GRUB mess out and installing GRUB2 from Boot disk? for instance should I be just be able to boot with a LIVE CD mount the primary disk of this machine and enter the below in a terminal without messing up any further?
Code:
sudo grub-install --root-directory=/media/PRIMARY_DISK /dev/sda
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Jul 24, 2010
yestoday,after I upgrade,unable to boot windows xp. if I use grub ,windows xp can boot up.but now I want to use grub2, boot info script's results.txt is at below.
Boot Info Script 0.55 dated February 15th, 2010
Boot Info Summary: => Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #6 for /boot/grub.
sda1:
File system: vfat
Boot sector type: Fat16
Boot sector info: No errors found in the Boot Parameter Block.
[Code]....
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Apr 20, 2011
I have an old computer that I use for trying out software and other things before putting them on my newer machine so as to avoid irreparable damage. The machine has 2 hard discs; the first disc contains Windows and I wanted to use the second disc for Linux. I installed Fedora 14 on the second disc and followed this with Ubuntu 10.10.
After I installed Fedora I re-booted and had a choice between booting into Windows or Fedora. After adding Ubuntu I assumed that Grub2 would pick up both Windows and Fedora and add them to the grub menu but instead, the grub menu only contained the options to boot Fedora or Ubuntu. I tried running 'sudo update-grub' but got the following message:
"cannot access /var/lib/os-prober/mount/boot
Boot: No such file or directory"
When I had a look in /os-prober all that was there was a file called 'labels' and when I opened it it consisted of the one line "Fedora 1" It looks to me, who doesn't know a lot about grub2, that something is missing from grub and had wondered whether to re-install it or whether doing so would be jumping out of the frying pan into the fire.
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Jan 6, 2010
I am having trouble upgrading from old grub to grub-pc. I have a clean install of 9.10 on a system with a new ASUS motherboard with Nvidia RAID configured as RAID 0.Although I read the page on SATA pseudo-RAID, this doesn't seem to apply, as both 9.10 and Windows XP installed cleanly without any additional drivers required.I did notice that contrary to the documentation, 9.10 installed with grub v0.97, not the new one as claimed. It is working fine, but just to be ornery, I'm trying to upgrade to the new one, and this is where I ran into trouble.Whenever I try to run grub-upgrade, I get an error from grub-probe that 'no mapping exists for' my raid partition. Apparently grub-probe can deal with the device, but not with the fs_uuid, as follows:
twescott@latitude:~$ sudo grub-probe -t device /boot/grub
/dev/mapper/nvidia_fcacbeib5
twescott@latitude:~$ sudo grub-probe -t fs_uuid /boot/grub
grub-probe: error: no mapping exists for `nvidia_fcacbeib5'
The system seems to be recognizing the RAID with no problems, as in:
twescott@latitude:~$ sudo blkid
/dev/mapper/nvidia_fcacbeib1: UUID="28D83EB2D83E7DDE" TYPE="ntfs"
/dev/mapper/nvidia_fcacbeib2: UUID="4344165e-07c3-4da6-b640-da9bf964a74e" TYPE="swap"
/dev/sda: TYPE="nvidia_raid_member"
[code]....
I'm thinking the problem may be in my grub device.map file, which only lists the SATA raw device aliases, but I may be completely wrong:
twescott@latitude:~$ cat /boot/grub/device.map
(hd0) /dev/sda
(hd1) /dev/sdb
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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 6, 2011
How do I fix this error
Error: fd0 read error
Debian squeeze install, two hard drives, one partition on each which make up a software raid1.
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Mar 27, 2010
I'm using the Live CD and have followed steps to recover grub2 after XP install. (damn Windows)!
Upon rebooting I get the grub> prompt with no where to go. Upon installing grub via the Live CD I get this:
Quote:
Update:
When I do this link, upon doing the
Quote:
I get this:
Quote:
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Sep 12, 2010
So my hard drive crashed. (i was running Linux 10.4)so i put in another hard drive, installed Ubuntu 10.4, and on boot up i get that error. I've tried reinstalling it with the server edition. different hard drives. all I get is that message.
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Feb 9, 2010
Ubuntu OS it appear Grub Loading Stage 1.5Read Error
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Jan 21, 2010
In general I love Ubuntu Karmic, and think it's the most polished Gnome distro out there, but since installing it on my laptop alongside Fedora I haven't been able to boot into the latter.
I know that I could fix it by adding an entry into the 40_custom file, but wonder if there's a simpler fix.
The command
Quote:
sudo update-grub
actually finds and lists the Fedora Constantine kernel, but it still doesn't appear in the bootloader menu. Before I delve around and break something, does this mean that there's a line commented out in one of the config files?
I'm not going to slag off Grub 2 because I can see that it has clear benefits, especially for power users, and I don't mind change if it brings clear benefits. So long, /boot/grub/menu.lst.
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Apr 5, 2010
I'm playing with Fedora 12 and can't get GRUB to work. To boot, I've been using GRUB4DOS. While that works fine, I'd like to figure out what's wrong with regular GRUB 0.97. After the initial installation, GRUB came up on reboot, but it was broken -- it couldn't read the config file apparently, and no commands would work correctly. So I attempted to reinstall grub via the grub prompt. No matter what I do, or which hard disk I install GRUB on, I get "Error 18". I tried using the "grub-install" command as well as the prompt, and that did the same thing.
My system here is an ASUS M4A785TD-M EVO mo/bo. I've got four hard drives. Two 1TB SATA drives and a couple of PATA drives (300 and 500GB) on a Si608 controller card. Using the BIOS "BBS" boot menu, I can boot NTLDR and BOOTMGR off active partitions on any of the drives (with proper Boot.ini modifications to handle the change in drive order). GRUB4DOS works as well, and will boot Fedora 12 correctly off any of them (with proper menu.lst ministrations). But GRUB 0.97 that comes with Fedora just refuses to do anything other than say "Error 18".
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Jul 14, 2011
This morning I ran an upgrade which upgraded the kernel from 2.6.35-28 to 2.6.35-30 on my Maverick system. I then departed for a meeting and came back to discover that my system had rebooted itself and only booted into an initramfs prompt.
Rebooting again shows a very brief flashing message of "error: unknown filesystem" alongside a few other errors I cannot read in the 1/4 second the error lasts on screen before the grub prompt. Neither kernel boot nor recovery mode options take me anywhere except to the initramfs prompt. I have searched and found a few threads on similar issues, but they all involve different fixes and suggest causes (such as dual booting on an ntfs drive, which I do not do) such that I am unsure where to go from here.
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Apr 2, 2010
I installed debian 5.0.4 server on a PC that has both IDE and SATA controllers. I used an IDE HD to install the OS. The input device was a USB DVD unit. The IDE drive showed as /dev/hda and the 4 SATA HDs showed as /dev/sda1, /dev/sda2, /dev/sda3 and /dev/sda4. After the OS was installed the reboot started which brought up an error: GRUB GRUB Read Error
I then disconnected the SATA HDs and rebooted successfully. So no PROBLEMS with just the IDE drive connected, grub works fine. If I reconnect the SATA HDs though grub fails with:
GRUB GRUB Read Error
The problem originated when the installation got to the GRUB implementation. Here the installer engine asked me If I wanted GRUB to be installed on the MBR, to which I said YES. The installer had listed the IDE drive (/dev/hda) before the SATA drives (/dev/sda, /dev/sdb, /dev/sdc, /dev/sdd). After the installation finished and the machine was restarted, BIOS looked at the SATA drives first could not find the grub stages and it displayed an "Read Error".
After realising what was happening I looked at the BIOS settings to see if the HD booting sequence could be altered. The BIOS did indeed list the 4 SATA drives first and the IDE HD last. BUT it would not let me alter the booting sequence. So I was stuck with what the BIOS doing. So I decided I take the IDE drive out and create a 20G partition on the first SATA to accommodate the OS. So now everything works OK.
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Jan 13, 2010
I am trying to install Ubuntu on a nvidia board which, based on the forums I have perused, is a FAKERaid chipset. Originally I tried to install according to https://help.ubuntu.com/community/FakeRaidHowto to no avail. I gave up and am resorting to breaking down my raid setup (thus losing my Windows XP installation) and using Linux's software raid (which seems to be the recommended method) with the Alternate CD install.
I went in to the bios and completely disabled my board's RAID function. I then followed the instructions here: https://help.ubuntu.com/community/In...n/SoftwareRAID , except it popped up with a window advising me "one or more serial ATA RAID configurations have been found. Do you wish to activate these RAID devices?" which that page didn't mention. I believe I selected "Yes". Setting up the partitions I made (from beginning of disk to end of disk) a RAID1 200MB /boot partition, a RAID0 / partition (90GB?), free space not set up in RAID (approx 20GB for each SATA drive to later install Windows on [if that's even possible]) & then the SWAP partition 2GB at the end of one of the disks (is it OK that this one wasn't in RAID?).
The installation completed, as far as I can tell, without a hitch. Except also of note: my network card doesn't work in the installer (gives an error message about unable to configure dhcp) so i'm not connected to the internet. Then I restart and the following appears: grub loading: error: biosdisk read error. Followed by what appears to be the Ubuntu loading splash (just a small white shape in the middle of the screen), and then:
[Code]....
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Apr 15, 2010
I just installed Ubuntu 10.4 beta. The installation is fine, but grub2 isn't loading Linux. Instead of booting into the OS, I get the message: No such disk grub rescue >I have two hard drives: /dev/sda and /dev/sdb. Ubuntu is the only OS and is located on /dev/sda1. I ran the "boot info" script and include the results here. One problem I see is that I have grub2 on the MDRs of both /dev/sda and /dev/sdb. BTW: From the Live CD, I can select boot into hard drive and Ubuntu will start up just fine. I can also use "Super Grub" CD and everything loads fine.
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Sep 26, 2010
I have had it with the frustration of trying to figure out how to successfully install grub on my own, so I am hitting the forums. What can you tell me about installing grub/grub2 (whichever is best -- I want something that works) to my single hard drive computer. Operating systems: Windows XP, xUbuntu 9.10 Hard drive: Samsung SATA 2, 1 TB Desired result: Menu that loads upon boot so that I can select which OS I would like to load without inserting media device or disk.
I thought this individual had the most straight forward and thorough tutorial (of any I have seen) on the subject but precluded at least one thing for me that I cannot afford to ignore: I don't seem to have a "stage1" that can be loaded by the grub shell. Trying to find it in /boot/grub/stage1 in the grub shell, I get... "Error 15: File not found" What I do have in that directory is 'grubenv'. When I boot up, it loads grub, but it comes up with an error message saying, "File not found". Then, all I get is the 'grub rescue' prompt: "grub rescue>".
Obviously, after spending hours on this thing, this is not the whole story. But there have been so many attempts to try fix it with one thing or another, that I cannot easily relate them all, if I could even remember each one.
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May 2, 2010
I've installed grub2 on 10.04, when I restarted I selected that option in the menu that seems to go for testing the chainloader. The system seemed to start ok, so I ran upgrade-from-grub-legacy. Now it's asking me for "GRUB install devices" and listing my hard drive (/dev/sda) and the 5 partitions on it as possible options. Which should I choose? I have Linux and Windoze running on this desktop,
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Feb 28, 2011
I have an old BIOS (only 149 GB detected in 160 GB drive). I have installed very few OS as a result - Windows in first 80 GB , 2 distros (20 GB each) in next 40 MB which is within the 149 GB. On issue of "update-grub" grub seems to detect all OS and generates grub.cfg. But on boot , one distro does not appear in the menu.
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Dec 20, 2010
After one year of squeeze use without problem (and without upgrade) on a laptop and I decided to upgrade everything today. During the upgrade, I was asked what partition grub should handle. There was 2 choices /dev/sda and /dev/sda1. I checked only the last one and this is I think the source of my problem.
Now restarting the system, grub fails and reports
Entering rescue mode... error: the symbol `grub_xputs` not found and leave a useless prompt grub rescue>
I don't have a rescue cd at hand right now. I have a usb key with some old version of eeebuntu (my laptop is not a eeepc) and surprisingly I can boot on it.
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Jun 20, 2010
I'm running Ubuntu 9.10 and did an upgrade yesterday via the Update Manager. Just installed all proposed upgrades. After rebooting, my newest kernel throws an error 16: inconsistent filesystem structure. When I select my previous kernel from the GRUB, no problems. How do I debug this error? Or better yet, how do I fix it?
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Oct 10, 2010
After upgrading to 10.10 (from 10.04) GRUB has started behaving very oddly. Sometime it work properly, just as usual, sometimes when I select a linux entry from the menu I get an error 16 or 18, sometimes I get an error 16 or 18 before getting to the grub menu, and sometimes the menu does not load at all, instead I am presented with a command prompt (i can then load the menu using the configfile command)
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Mar 21, 2010
I have tried to upgrade to 10.4 LTS it crashed I use dual booting whenever I try to start the computer it goes in to grub rescue > I have used wubi to install the dul booting, now I can not get into my window nor ubuntu. what can I do ?
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Nov 17, 2010
yesterday i upgraded Ubuntu 10.04 to 10.10. During installation i also upgraded grub to version 2. It said that there were two options that i could choose to boot and i choose both. Installation finished with out a hitch. When i attempted restart my laptop i got this message:
error: no such device: 12631218-8ac6-4505-b4cb-a66a1de1814f
grub rescue>
I tried the command help and received a message saying that the help command was not recognized. So i then gave Google a bit of a work out and have tried reinstalling grub and manually coping the grub files all to no avail. The problem i believe stems from how i have Ubuntu installed. I have Ubuntu installed like an application on windows 7 on a separate partition on my hard drive. Looking back on it i'm not to sure why i choose that route, but that is how it is installed.
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May 22, 2010
I upgraded from 9.10 to 10.04. Previously, I had a dual booting system where GRUB allowed me to boot 9.10 or WinXP. I have two hard drives - an 80 GB drive with XP and a 1 TB drive with Ubuntu.
During the upgrade I chose to upgrade my GRUB version. I only selected to install grub on the Ubuntu drive. I didn't work - I couldn't even get GRUB to load. It just gave the error: the symbol 'grub_puts_' not found.
So I reconfigured GRUB and installed it on both drives. Now GRUB loads and I can boot 10.04 just fine, but I can no longer boot XP.
What command should I run to give you a glimpse of my system? Would that help diagnose this?
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Apr 11, 2011
My current setup was:
4 x 500 gb hard drives in (software / onboard controller) Raid 10 (1 +0) with Windows 7 x64 as the primary OS
1 500 gb hard drive with Ubuntu 10.10 installed
After upgrading to Ubuntu 11.04 Beta, I hit the Grub Error. I have removed the 5th HDD but still getting it on boot into Windows 7. I am currently in the process of copying all files from my raid via a 10.10 flash drive boot (fortunately was able to mount my raid's partitions).
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May 2, 2011
I tried upgrading to 11.04 this morning and after rebooting grub left me at the grub rescue> prompt with the message 'error: unknown filesystem'. I've tried purging and reinstalling grub using a live-cd but no joy.
Let me know what additional information to provide. EDIT: Here is the output from the Boot Info Script
[Code]...
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Jun 30, 2011
I have a system running om vmware esxi with suse 9.3 i did an inplace upgrade to 10.2. i got the follwoing error during upgrade error occurred while installing grub (version 0.97) error 21 disk cannot be found. I ignore this error and the upgrade went fine. after a reboot the server works pretty fine. Except one thing GRUB.. i cannot install it on this system. i want to install grub on this system.
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