Ubuntu :: Computer Not Booting After Interrupted Distro Upgrade
Jun 9, 2011
My distribution upgrade got interrupted in a hard way and when I start the computer I get some errors:
Code:
kernel panic - not syncing: VFS: unable to mount root on block 0, 0
or sth like this and a few more errors. Can't look the exact message as I am writing from the liveCD. On Gparted the boot looks normal and it is said that it's mounted but there is no mount point. There are things on the hard drive that I must save.
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Nov 28, 2010
The computer crashed during an update and "An error occurred". The following details are provided:
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.
E: _cache->open() failed, please report."
So,
"michael@freegeek:~$ sudo dpkg --configure -a
[sudo] password for michael:
dpkg: parse error, in file '/var/lib/dpkg/updates/0117' near line 0:
field name '
michael@freegeek:~$"
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May 7, 2011
My laptop is sadly rather elderly and the battery is broken, so if it is unplugged it loses power and immediately turns off. Unfortunately I managed to accidentally do exactly this in the middle of upgrading from Lucid to Natty. I turned the computer back on, some automated disk checks were run, and I'm now apparently using Maverick.
Launching Update Manager, I get the following message:
"Not all updates can be installed
Run a partial upgrade, to install as many updates as possible.
This can be caused by:
*A previous upgrade which didn't complete
*Problems with some of the installed software
*Unofficial software packages not provided by Ubuntu
*Normal changes of a pre-release version of Ubuntu"
Clicking the "Partial Upgrade" option, the system starts to upgrade but exits with the following in the Terminal:
"dpkg: parse error, in file '/var/lib/dpkg/updates/0121' near line 42 package 'texlive-xetex':
duplicate value for 'Status' field"
Basically I have no idea what to do from here. The functions that I need from my computer are working (internet, music player) and I don't really need much more than that but I'd rather it was working. Also I can't install any updates or upgrade to Natty until this is solved.
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Dec 4, 2010
Had a working WinXp/Karmic dual boot system. Tried to upgrade Karmic to Lucid and my daughter rebooted the system during the upgrade. I decided to do a fresh install of ubuntu, leaving Windows in place and it succeeded until the end when it said it could install the bootloader, so I proceeded without. I meant to say "it said it couldn't install the bootloader, so I proceeded without.
On booting, Grub drops to the command line.
I get grub>, not grub-rescue>
I did ls in grub and it showed the partitions I expected
/sda5 is /boot
/sda6 is /swap
/sda7 is /
/sda8 is /home
I tried to follow the grub2 command line manual by entering
Code:
set root=(hd0,7) (success)
linux /boot/vmlinuz-2.6.32-24-generic root=/dev/sda7 ro (failed - couldn't find file)
so I'm now a bit stuck.
Here are my bootinfo_script results (by the way, sdb is just an e-SATA hard disc with nothing installed on it, I don't know why bootinfo thinks Windows is there. Windows is on /sda2 with some sort of backup/recovery partition on /sda1)
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
partition #7 for /boot/grub.
=> Windows is installed in the MBR of /dev/sdb .....
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Oct 13, 2010
Originally posted in Launchpad yesterday [Question #129083]:
Quote: System froze in mid-upgrade from 10.04 to 10.10 and now fails to boot, giving a 'general error mounting filesystems' message when loading [in either normal or recovery mode.] However, the boot menu remains accessible with the F8 key and is functional.
While in the 10.10 Live CD, using the chroot method in the grub2 help proved unsuccessful and returned this pastebinned result. The system is 10.04 64-bit running an nvidia card and sporadically froze with increasing frequency. No resolution to the freezing could be found online, which seemed associated with any of nvidia, usb, flash or even firefox. Can someone suggest an alternative to restore to bootable condition and resume upgrade without having to reinstall and wipe the drive? I also followed the copy alternative to the chroot method in the grub2 help and still get the same core dump for chroot and device not found error for upgrade-grub as posted in pastebin. I'm still running off of the 64-bit 10.10 Live CD.
Skimming other "general error mounting filesystems" topics in this section, I realise I may have to bite the bullet and cut my losses, since those other users seemed to settle for a reinstall. Any final advice out there I can try out?
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Jan 6, 2010
I was in the process of upgrading my ubuntu system (probably the latest version, it was about a month ago) and my computer froze (it does that on occasion). I have looked around this site, and tried a few things. I assume I am supposed to use the command "sudo dpkg --configure -a" to fix it. The problem is that when I do that, I get the message "dpkg: unable to access dpkg status area: read-only file system". So, what do I do now? I definitely dont want to mess up my system, but I want to fix it.
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Apr 15, 2010
I am walking thin ice here: I have this ancient PC, that has so old BIOS who doesn't know how to boot from CD (but it has a CD drive). It has also floppy drive, but I don't have any floppies what to feed there, so for time being let's assume the floppy drive doesn't exist. It's got network PCMCIA card.
I have managed to install on it linux (there was Win98 before), it was quite a journey - I first installed boot manager (Smart Boot Manager) that would let to boot from CD (what a wonderful thing it is). That, in turn, let me install Damn Small Linux on the box.
But the story gets a bit sad here. Since I had to delete and reformat partitions, the MBR where there was Smart Boot Manager, was replaced by GRUB. As far as I know, GRUB, once it's loaded, does not give option to boot from CD. And I experience some strange problems when trying to install the Smart Boot Manager again (this time from linux) - even superuser gets "Permission denied" error message.
So basically now I have no way to install other Linux distro (Damn Small Linux is smart but with ugly looks. I want to try Xcfe-d DSL, wich comes under name Luitlinux.
So, my question is - is there any way how to boot from CD drive, or ISO image, without rebooting PC? If not, then the only alternative is to find a floppy and burn the Smart Boot Manager on it, boot from that floppy, and then boot from whatever CD.
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Apr 1, 2011
I have a computer with 2 HD. In one of them there are installed XP and F14. In the other there are several XP files and Mandriva (the last installed distro). At booting, the grub window I see is the Mandriva's one, where I can select F14 or XP. I should like to see at booting the Fedora's grub.conf window with selecting options for XP or Mandriva. How can I change this?
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Jan 31, 2010
I've been playing around with an old laptop and a hand full of Linux distros. I found that each Linux has a kernel "vmlinuz" and a initrd "initrd.gz" no matter how you boot the distro it uses these to files. I have CrunchBang Installed on my laptop I put a copy of the ubuntu live disk in the location
/home/user-pc/ubuntu/
I added a new boot option for grub It looks like this
Title Ubuntu
kernel /home/user-pc/ubuntu/casper/vmlinuz
initrd /home/user-pc/ubuntu/casper/initrd.gz
This boots like a normal cd only problem is while its booting it tells me it cant find the file System. This happened for every single Linux distro I tried to boot. Is there something I am missing here is there a way to tell the boot peramiter where the file system is I think what it means by file system is the "filesystem.squashfs" file.
I have 2 questions
1. Is there anyway to tell the grub loader that this is the file system. To make the live CD boot properly.
2. How do CD's work is it not the same?
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Apr 18, 2009
I had setup my system for triple boot with Windows, F10 & Suse. I had the Windows partition and then installed F10 setting up Grub to load the other two. All went fine and was able to choose to boot to Windows which worked. I then installed Suse, choosing the bootloader to be on the partition for Suse. This installed fine and can now choose to boot into Suse which works. F10 still works as expected, but when I choose to boot Windows, I just end up with a Grub command line. I can't see how the Windows partition could have been affected. I can still see all the files in there, but it just wont boot.
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This is not really a Linux issue but does anyone know how I can 'repair' this Windows partition without affecting any other partitions. I don't have a Windows install CD. If I boot off FreeDOS, is there a command to repair the 'bootability' of the Windows partition only?
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May 4, 2010
I ask to linux experts if it is possible to easily create a base debian distro that allows wireless networking and synaptic utility (and the basical tools) aimed at booting very fast, from hard-disk or stick. After installation, it would be possible to install other stuff, not much in fact. It should be able to recognize the hardware and then boot without checking everytime.
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Jan 20, 2010
this is my first time actually asking for help here, so forgive me if I make any mistakes. The other day I was trying to install Ubuntu 9.10 on my mom's old system (not too old, has vista on it) and even from the live cd it wouldn't boot. Then I tried 8.04 because I know that works on my XP system. However it would freeze during boot but at least showed that it was booting (the bar was starting to fill).
The system is an eMachine T5226:
CPU : Intel Pentium D Processor 925 (Dual-Core)
64-bit processor with Intel EM64T Technology
(Each core operates at 3.0GHz | 2 x 2MB L2 Cache | 800MHz FSB)
Operating System : Genuine Windows Vista Home Premium
Chipset : Intel 945G
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Since we bought it it's been upgraded to 2 GB of ram and has a nVidia 8400gs video card and a belkin wireless adapter now. I can't understand why the live cds won't fully boot since my single core 2.2Ghz boots just fine with 8.04.
I was thinking of trying 6.06 to see of that might work. However I was unsure if the system is capable of running Ubuntu and might need Kubuntu or another distro.
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Oct 24, 2010
I got an old laptop from my brother, it has ubuntu 6 on it right now. The computer is real old, complete with a windows 95 and pentium II sticker on it. I'd like to put a new install on this but first I would like to find out how to check the hardware specs like processor and ram so i can choose what to install. How can i do that?
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Feb 4, 2010
Have have a computer from 2001 with: 700 Mhz Celeron CPU, 640 MB RAM (gonna up it to 1GB soon), 64 MB graphics, 30 GB hard drive. I installed Ubuntu 9.04 on this computer, but it runs slow. It's not unusable but slow. I was wondering in Fedora would run faster? I know it has lower system requirements but would it run faster on this older hardware?
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Mar 1, 2010
I want to install all the ubuntu distro packages on a computer without an internet connection. I read the website, but it didn't say if the DVD you buy has all the packages. Or are there ISO's of them?
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Apr 11, 2010
I've got this old computer. PII processor, 4gb HDD, I forget how much ram but the mobo is an AOpen AX63 pro [URL].. The machine still runs great. I just finished cleaning all the connections with alcohol and putting the thing back together. I've got Ubuntu 5.10 on it right now, but with so little in the way of system resources, I want to get something more scaled down on there. Googling hasn't resulted in anything really useful.
So, does anybody know of a scaled down distro aimed at old computers? Obviously something current would be great (I considered trying to find a netbook distro and use that, but I don't know if there would be any issues using that kind of thing on a desktop.) but I'd be willing to use an older distro if I need to. I really just want to use it as a writing machine, with maybe some basic internet access.
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Jul 25, 2010
i installed ubuntu to multiboot with windows 7 but i don't know how to remove it to where its just windows again you can't delete the partiton ecause grub comes up how do i make it go back to the way it was before i installed ubuntu
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Oct 23, 2010
I upgraded Netbook edition from Lucid to Maverick, and it's gone horribly wrong. It may be because I had set up the a Gnome session in Lucid so that I could add and remove applets to panel in while still having the netbook session layout.
After distro upgrade I ended up with a hybrid system with both the unity launcher AND the Lucid-style UNE launcher. Unity does not recognise any of my installed software, e.g open office or bibus in "Office". UNE launcher does. There is also no option of Gnome session at login, only Desktop and Netbook!
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Apr 27, 2011
I have a dell CPi laptop that I only want to use for connecting to my office computer via freenx. The laptop has a pcmcia wifi card, 4gb hard drive space, 128mb ram, and is a Pentium II 400mhz. Can you recommend a linux distro for me? I won't use any features other than freenx and wifi, so i'm sure this laptop is fast enough for that.
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Jun 30, 2011
I just upgraded to F15 and it went well. But at the next and each subsequent cold boot the BIOS reports "Your system last boot fail or post interrupted Please enter setup to load default and reboot". The board is an asus P5N-D. I press F1 to blow past the error and all is well until the next cold boot. Restarts are fine, no errors at all.
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Jan 13, 2010
I've just attempted a distro upgrade (to 9.10) and have been left with a machine in an unbootable state.
I tried using a recovery boot through Grub and can see that the boot process hangs after outputting:
Code:
swap: waiting for UUID=$random-string$
If I ESC to get a prompt, I get:
Code:
General error mounting filesystems
I can't run dpkg-reconfigure as I get a read-only filesystem error.
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Sep 20, 2010
So I finally said screw it to the last problem I had with my ubuntu a few days ago, where it was trying to upgrade to a brick. I went in, backed up my Home, var, etc, and usr folders to my external harddrive, then formatted the partition and threw ubuntu in there.
Anyways, I just have a quick question, Since I just installed it, which one would be better to do first?
Apt-get upgrade or Apt-get dist-upgrade
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Jan 14, 2010
I've just attempted a distro upgrade (to 9.10) and have been left with a machine in an unbootable state.
I tried using a recovery boot through Grub and can see that the boot process hangs after outputting:
Code:
If I ESC to get a prompt, I get:
Code:
I can't run dpkg-reconfigure as I get a read-only filesystem error.
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Aug 8, 2011
I just found couple of tutorials to help me boot Ubuntu using a USB on an old computer. This is exciting! Basically it works like this: Download a program and burn it as an ISO, and it allows you to insert your USB stick, and boot ubuntu (or other OS).
Anyone ever tried this? Because I am about to try it and I have some questions.
Once I download ubuntu, do I have to use use a tool such as UNetbootin to make it bootable, Or I just extract the contents of the ISO? btw here are the tutorials 1 and 2
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Nov 15, 2009
I'm trying to install Ubuntu 9.10 on an old computer. Basic stats are a 350 MHz Pentium II, 768 MB RAM, and an ATI Rage IIc--not sure how much video memory at the moment. I managed to install XP on it at one point, but decided not to let it stay a Windows box.The computer won't boot from the Ubuntu 9.10 CD, nor the alternate install CD. It gets as far as displaying:ISOLINUX 3.63 Debian-2008-07-15 Copyright (c) 1994-2008 H. Peter Anvinbut the never does anything else. Anybody have some ideas about what is happening or what I can try or do differently?
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Apr 22, 2010
I have 0MB left on my Wubi disk. How do I enlarge the virtual partition for Wubi if I don't have enough space to install anything?
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Jun 3, 2011
I tried to upgrade to v10.04 ("Lucid"). After nearly 15 hours of painfully slow downloading and installing, my computer froze, just as the upgrade was almost complete. Needless to say, my Linux kernel is now wasted. what is the best way to proceed? I would like to get theOS going again, without losing any of my data or files. I also have a Windoze partition on that HD, which needs to be preserved.
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Jan 22, 2010
I recently installed Ubuntu on my computer, and today after hooking up the internet for the first time it asked me to update. I clicked install, then restarted the computer.
While booting up it hangs up after the following is displayed:
fsck from util-linux-ng 2.16
/dev/sda1: clean, 149460/2400256 files, 984175/9582764 blocks
I've tried ctrl-alt-delete, it restarts, asks me how I want to reboot, and whether I choose generic or recovery mode it still hangs up here. What can I do to be able to access my computer again.
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Feb 16, 2010
I have an old dell laptop that I want to put ubuntu on but it doesn't have a cd drive, I can't boot from a network, and the bios doesn't support a usbdrive. It does have a floppy drive and I wanted to know if there is a bootfloppy that allows me to boot from a usb?
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Jun 5, 2010
I've been using Ubuntu for about one year. Recently upgraded to 10.04. The PC tries to boot, comes to the "Booting from device hd..." screen and then shuts down. It shuts down or halts but doesn't power off. The CPU is still powered. This happens for about 2 in 4 boots. The recovery mode runs just fine. It says no damaged partitions. Only the 'booting from device' is the problem point.
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