I just upgraded from lucid to 10.10. After the reboot, I can only see recovery mode entries in grub.I tried
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update-grub and update-burg
( i think i had burg installed) both to no avail. I also tried re-installing grub onto my main ssd hd, with the command
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grub-install /dev/sda
nothing there either.
I decided to go ahead and upgrade my 9.10 amd64 to 10.04 ( a little late in the game I know, but I liked Karmic) Well I goofed when prompted to upgrade grub. After reading some other posts about various grub issues, I did the Boot Info Script (results posted below).
Code:
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
[code].....
I have a external usb with a Ubuntu OS on it that I was able to boot into and do some digging. When I upgraded I selected the NTFS partition instead of the actual /boot partition and jacked it all up. Im currently downloading the 10.04 liveCD to repair the grub on the /boot after I repair the MBR on the NTFS partition. Hopefully I can attempt to repair my Linux partitions by reinstalling the Grub that is on the 10.04 liveCD WITHOUT formatting my current partitions and still be able to keep all my current configurations.
I have Karmic installed, but still using old grub from Jaunty. I decided to get rid of my Vista dual boot so I used gparted, deleted the partitions and moved and enlarged my Ubuntu ones. Grub then didn't work, presumably because I deleted the MBR. I then installed Opensuse 11.2, which I assume still uses old grub too. This gave an Opensuse option which worked, and a Karmic option which took me to the Karmic bootloader, but Karmic did not load. I then tried some instructions to repair grub using the Ubuntu installer, installing grub to my extended partition. This tells me there is no operating system found. I then tried following the instructions at [URL].
My fdisk -l looks like:
dev/sda4 * Extended partition
dev/sda5 Ubuntu /
dev/sda6 Ubuntu /home
[Code].....
I decided to upgrade finally. It didn't go smoothly and right now I'm not really sure what is going on. During the install when it was scanning my disks it threw a timeout error but continued anyway. I completed the install but one thing that seemed odd to me is that I wasn't asked about packages or anything and it never prompted me for any other CDs. I wasn't sure what was going on. I did a re-install but same results.
So I figured fine I'll just configure things myself. I went to mount my other partitions and was unable to. I'm not sure what was done but I've not been able to get to my old data. I'm not even sure where to start because things are so different. I ran fdisk -l and I see these devices:
/dev/sda
/dev/sdb
/dev/dm-0
/dev/dm-1
Under /dev/sda It shows /dev/sda1 but tells me that partition 1 does not end on cylinder boundary it then shows /dev/sda2. This has a System of Linux LVM. Same with my /dev/sdb1. I am guessing this is where my 2 old partitions went. I looked up LVM which I didn't know anything about before. Previously I was about to mount my partitions directly so I'm pretty sure they were not LVM. So somehow these got converted?
I don't know what /dev/dm-0 and /dev/dm-1 are but I do get errors on them:
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1 doesn't contain a valid partition table
Right now I'm trying to simply get to my data once again or determine if it's unrecoverable. At this point I'm at a loss as to how to proceed. I know I didn't tell the install to format anything other than the first partition. Oh and after the two Fedora installs I did take a peek at Unbuntu. I started that install and it told me that the partition I was installing on was too small. So I canceled it. It showed the other partitions but I could see no way to read them.
Took an FC12 system to FC13 via 'preupgrade'There was a REALLY old version of gimp-print-cups in RPM, and the installer announced "a fatal error occurred". However, everything else seemed to download properly and I allowed the upgrader to reboot the system.
a) grub boots the kernel, then the kernel can't find root and panics. It does this because it can't root file system with root=UUID= kernel option. If I manually tweek the grub line to use root=/dev/sdx, kernel finds its root and boots up to the next problem.
b) GUI environment not launched. Init scripts die on "error loading modules.dep". Sure enough - one is not there. Ran "depmod" to generate it ,and rebooted. System reboots into GUI, where I login to find the next problem.
c) Evolution won't start. Reason turns out the evolution-data-server from FC12 is still present. Did a check on just how many other FC12 RPM's are present: 1100. Yeah - over 1000. About 850 of the FC12 RPM's also had FC13 replacements installed. Did an "rpm -e" on these. Also had to do some remove action on mkinitrd, nash, plymouth-scripts-0.8.0, and parted-1.9.0 as there are replacements for these utilities under different package names. That cleaned up the system some, to present me with the next problem.
d) yum package repository still linked into FC12. Removed fedora-release-12-2.noarch and then I could "yum install" evolution and a few other packages properly.
I've done one other FC12->FC13 upgrade today, and that went flawlessly. So, I think in general the upgrade works fine. It just looks like if preupgrade finds anything amiss, it doesn't take care of a lot of things and generally leaves you with an unbootable mess to clean up.
I have a real love/hate relationship with Ubuntu. A few weeks back my Windows XP crashed and I had to take it to a tech to have my drive wiped and the operating system reinstalled. Just when I got XP back up and working perfectly someone told me to try Ubuntu. I made the Ubuntu 10.10 boot installation disc and installed it. Although I partitioned the drive during the install I was never able to reboot to Windows and thus lost all the files and programs I had just finished installing.
Okay. long story short: I got used to running Ubuntu and started to like it. Then this morning I was prompted to upgrade to Natty 11.04. After the install I got a message about being low on utilities and to boot in the Ubuntu Classic mode, which I was not able to do.
So now my machine is virtually non-functional. It won't run any programs but sometimes if I'm lucky I can get the computer to shut off without pulling the plug from the wall. I think I just need to wipe the drive and start over. Can someone tell me how to do this using DOS without having to make another long trip to my tech? Luckily I have a Windows XP laptop to use to access this forum.
The first time I attempted to install the OS I got to a blank screen with a cursor (But the install completed sucessfully)On my second Attempt i managed to get to grub-rescue.Basically I created a new partition for the OS, it was an ext4 filesystem, and the mount point was "/" it was a primary partition. Then I created a swap area. The boot went to my External HDD. And upon restarting and booting into grub-rescue.The third time I can't exactly remember what happened but my hdd didn't even appear in my boot option list.
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I installed 10.04 clean on the PC.Not other operating system.It booted to Ubuntu fine after the install and all appeared to be working fine.Used the upgrade manager to install the upgrades to the basic system.I had not yet loaded in any non-ubuntu or medibuntu repositories so this was the first, basic upgrade.After the upgrade,I can no longer boot to Ubuntu but boot to a grub prompt instead.I presume this is a recover prompt. How do I "recover" and continue booting to Ubuntu?
View 8 Replies View RelatedOKI am loading 9.10 (K or U, makes no difference). This installs 2-6-31.14. Eventually I am unable to dissuade APT from upgrading to Grub 1.97 beta4. One of two things can happen.
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When I upgraded my system for the first time, I got a message asking me to decide between a few menu items for configuring grub-pc. When I chose to keep the current version installed, GRUB booted to a CLI. What menu item should I choose?
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View 1 Replies View RelatedI keep finding the same fixes on the web and they are not working. What I have/what I did: I have a dual boot PC. HD0 was XP. HD1 Kubuntu 10.04. I upgraded XP to Win 7. This jacked my Grub up, now all I can load is Win 7. I don't see the Grub menu anymore. I've been trying to reinstall Grub using varoius web pages like: [URL]
They seem to all be telling me the same thing but not working. I boot into a liveCD. I have to sudo apt-get install grub then I can do sudo grub. I follow the instructions:
sudo grub
> root (hd0,0)
> setup (hd0)
I get "Error 17: Cannot mount selected partition".
Now if I'm understanding this right the reason for that is. HD0,0 is my first HD first partition (which is Win 7), and grub doesn't like windows. I tried swapping it out so it reads:
sudo grub
> root (hd1,0)
> setup (hd1)
I then quit and reboot. Win 7 loads. I don't see Grub.I am using 2 separate hard drives?
After upgrading from Ubuntu 9.10 to 10.04, windows XP boot option is missing from the boot loader window. The laptop has two ntfs partitions - one for windows recovery and the other one for XP. The recovery option is available in the boot loader. But XP is missing. I tried several suggestions from different forums but to no vail. Can somebody help ? The output of boot_info-script follows:
[Code]...
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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skip grub and go strait to ubuntu
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Toshiba L505-10M with dual boot W7/U 10.10 500 GB HD & 6 GB RAM
Yesterday all my troubles seemed so far away, because I've been using working system with Windows 7 & Ubuntu 10.10, but last night I decided to update to 11.04 from update manager. So, when upgrade was done, I rebooted and saw something like this:
"grub_env_export not found
grub rescue > "
Do I have a problem with MBR? Will it help, if I load from Ubuntu live cd and try to reinstall grub?
The day that the upgrade came out (not beta, the true release) I upgraded via the Update Manager. The upgrade went great until it asked me to reset to finalize. Upon doing that, I was greeted with a less than friendly grub-rescue> screen. The materials I currently have at my disposal are a 10.10 installation disc, and an 8.04 installation disc, and a rescatux disc (super grub) that seems to yield an error upon any of the four options presented... how can I use these (both have Live CD) to fix the grub...
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Importantly - both Win7 and Ubuntu still work fine, so it could be worse, but clearly something is not right in GRUB.
I could solve this by wiping Ubuntu and reinstalling from the Live CD, but that teaches me nothing, so I would like to get to the bottom of the problem.
The following is what I get if I try to update grub:
jez@jez-laptop:~$ sudo update-grub
[sudo] password for jez:
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.38-8-generic
Found initrd image: /boot/initrd.img-2.6.38-8-generic
Found linux image: /boot/vmlinuz-2.6.32-25-generic
Found initrd image: /boot/initrd.img-2.6.32-25-generic
Found memtest86+ image: /boot/memtest86+.bin
Found Windows Recovery Environment (loader) on /dev/sda1
Found Windows 7 (loader) on /dev/sda2
error: syntax error.
error: Incorrect command.
error: syntax error.
error: line no: 153
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.
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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Noticed other users have been directed to run the boot info script, so here are the results from that.
Quote:
I have two instances of Kubuntu 9.10 (Karmic) I have installed grub2 and all seems OK except for a small bug with update-grub which I have a workaround for. Reported elsewhere
The working system is on /dev/sda7 My copy for testing is on /dev/sda5 gparted flags /dev/sda1 as "boot" and that partition has temp files only. update-grub found my test system on sda5 OK. I would like to upgrade 9.10 on /dev/sda5 to 10.04 (Lucid) as a trial as I had problems with this upgrade on my working system (sda7) and had to recover from a backup image - hence the test system on sda5
I would like advice on what happens to grub2 and MBR which I assume is on sda1 when I do this upgrade. I expect that the upgrade will change grub (in MBR?) to use sda5 instead of sda7 as the main grub filesystem. If not, then all is fine and I carry on as usual.
If not then how to I re-instate my working grub (/boot/grub/*) to sda7 (my working system) as far as the bootloader in MBR is concerned. Is it simply a case of backup and then re-install MBR after the upgrade? Or is there a better way or have I misunderstood something?