Ubuntu Installation :: Upgrade Hung Now System Unbootable
May 4, 2010
I tried running an upgrade from 8.04 LTS to 10.4 last night, and things seemed to be going smoothly. The upgrade progress was nearly complete, and I wandered off for a while to let it run. When I came back, I had nothing but an orange screen and and unresponsive system. I left it alone all night with the hopes that something would happen, but this morning nothing had changed so I hard restarted the system.
Ubuntu 10.4 appears in GRUB, but the system cannot boot and exits with a kernel panic and the message "vfs unable to mount root fs on unknown-block" I was able to boot to a 10.4 LiveCD, and I can browse all of my files from there. What can I do to get this system back up an running? I have dozens of user account and a lot of customization (it acts as a webserver with a wiki for a gaming website running on it, among other things), so I really really don't want to do a fresh install and lose all my data and customizations.
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May 4, 2010
I've just reported a launchpad bug report about my desktop system being unbootable after upgrade to lucid lynx. [URL]... I opened this thread to ask if someone else experienced a similar problem and for collecting information and workarounds (none yet) about this quite serius problem. The system has an nvidia graphic card and proprietary drivers were installed before the upgrade. However I'm not sure the problem is related to this. FYI, the system booted regularly from a usb stick with ubuntu lucid lynx. SO the problem is in the upgrade path.
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Dec 2, 2010
I did a routine update of my ubuntu 10.4 (in wubi vista) to the latest kernel (something -26) and installed a java plugin for firefox. After a reboot, i open up the "Ubuntu" entry and i see a message flash accross the screen (something about hda,0,0 or sda im not sure) then it just reboots the PC. No command line or anything. No need to say im pretty screwed
My question is, is there any way to get my files off of wubi? Or even better can i restore Ubuntu to working again? P.S for some reason the two times i have tried to run a live CD on this laptop, it has corrupted vista.
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Oct 31, 2010
I upgraded a machine this morning from 9.04 to 9.10 and it went off without a hitch. I then began another upgrade from 9.10 to 10.04 and it appears to have hung. Everything worked fine up through getting new packages, but when installing the upgrades; it got to Unpacking replacement javascript-common ... it opened a terminal window and stopped. It still says about 20 minutes remaining but it's been saying that for about half an hour. Is there any way I can get it to resume? What do I do now?
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Jun 10, 2010
Suffice to say I had a dual boot at work with an essential windows 7 and non-essential linux install on it, and randomly upgrading the distro made windows7 unbootable. Cue a missed days work, much embarrassment and ear bashing from those who are convinced Linux is written entirely by communists and hippies. In the end I had to re-install windows, which cut off the ability to boot to ubuntu - although I've left the existing ubuntu partitions as they were.
Although I can get away with allocating a few partitions to ubuntu, I can't really justify fiddling with the MBR based upon this experience. I need a fast boot and persistent data for doing anything further with ubuntu at work, so I'm wondering whether a safer bet would be to setup a usb stick with enough grub to boot to the existing ubuntu install? Not a full usb distribution, just enough to boot into the existing install? how this would be doneIs it really just a grub-install /dev/sdXX (where XX is the usb)?
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Apr 18, 2011
I have had Ubuntu desktop on my PC for a year now and am very happy with it. A couple of months ago I got a Ubuntu server 10.04 for playing about with. I have installed the gui, for personal reasons, but I want to upgrade to 10.10
Whenever I attempt the upgrade my server becomes unbootable and I have to reimage and start again. I have even tried performing the upgrade before I install the GUI but it still makes no difference.
Although I have the GUI I am doing the upgrade via command line.
Upon watching the upgrade in process, I find that no errors are occurring. Could it be something to do with my server provider?
Server Specs are: Specification: Intel Dual Core, 2.2 GHz 800MHz FSB, 2MB L2 Cache, 2Gb DDR, 1x 250Gb HDD
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Oct 11, 2010
I used the upgrade manager to update to Ubuntu 10.10. It hung on installing grub. After trying the repairs, the system says it can't find grub_xputs and gives the grub rescue> prompt.
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Jul 11, 2010
I updated 9.10 and system crashed during update and is now unbootable. It seems to freeze (or is just taking a really long time) at fsck. Is there any way to make my computer usable again without reinstalling the whole OS?
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Jun 6, 2010
My son kicked out power during the install phase of 10.04 (about half complete) and now the system is unbootable.
The boot process dies shortly after starting fsck with the error:
init: plymouth main process (382) killed by SEGV signal
So this looks bad (to me), segmentation violations are never good.
So does anyone have any suggestions for booting and completing the upgrade?
If I'm SOL on this OS image is there a way to image over the OS and save my data?
The only option I see now is to buy a new disk, image onto it, mount my current disk and copy my data. (takes money and time)
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Feb 4, 2011
yesterday I performed an automatic security update suggested by the update manager on my virtualized (with VirtualBox on a Windows 7 host) Ubuntu 10.10 installation.
The update somehow failed and left me with an unbootable system. When I try to boot, I am told that various folders, files, and what not are missing. Then the system drops into a busybox and leaves me with an (initramfs) prompt.
This happens with all kernels I get offered by GRUB, although the error messages are quite different from kernel to kernel.
Well, the short of it is this: I don't have the slightest idea on how to get back to a working system and this site is the final straw I'm willing to grab. A complete disaster like this following an update initiated and executed by the system is unheard of in Windows-land; at least I haven't heard of it, yet, and therefore I am going to abandon Ubuntu and Linux altogeteher, if there is no remedy.
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May 9, 2010
My current situation is I have two physical hard disks, one with Windows 7 (sda) and another where I recently installed Ubuntu 9.1 (sdb). At this time there were no issues.
Now after getting used to 9.1 I selected to upgrade to 10.04 from the update manager. During this install I was told I needed to upgrade GRUB which I understand is the bootloader and was told to choose where to install it.Now at this time I had no knowledge of drive naming conventions in Linux and there was no option to cancel the upgrade to look for help, so instead I followed the advice in the help box to simply select every device listed
The result was a fully working Ubuntu installation but at the cost of an unbootable Windows 7.Windows is showing on the GRUB menu but selecting it gives only a blank screen with a flashing cursor and no ability to do anything besides ctrl-alt-delete.
After a few hours of googling solutions including downgrading GRUB, there was no change and it seems that I actually have a version of GRUB on both drives. The one on the windows drive (sda) is the default loaded GRUB that shows Windows 7 but cannot boot it. The second GRUB install on the Ubuntu drive (sdb) is the one I am able to configure through Ubuntu but does not list Windows 7 on its boot list even after using "sudo update-grub"
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Nov 22, 2010
My mom's computer is no longer bootable. I was thinking of attempting to fix it later on this week and am thinking of doing a chroot and updating via a live CD hoping that an even newer update solves the problem but I have some doubts of success. Does anyone have any information about this issue so that I can be better prepared to fix it? Also, I thought I should mention that I tried the second newest kernel to see if that would make it work. It didn't. The error is something along the lines of having the /dev/diskuuid change. If I'm correct, Ubuntu changed the disk's name and is trying to boot the old name. It's dropping to an initramfs shell (not the regular terminal where you can work miracles ).
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Jun 26, 2011
I compiled my own custom kernel for the first time. I tinkered with different options, nothing to difficult. I actually didn't expect it to work the first time.
I had kept the original lilo boot config just in case something was to go wrong. Now when I try to boot the system, I always get a "VFS: cannot mount root system on (8,3)". I googled this and found that my kernel did not support my root filesystem (btrfs). So I made an initrd with btrfs kernel module, but it didn't help. I then got a string of errors about how /dev could not be mounted.
My question is two-fold. First, how come when I configure the system back to when it was first installed, it still won't boot? Im using the same kernel (2.6.37.6-smp). Second, how can I get myself out of this rut without reinstalling?
lilo.conf
Code:
lba32
append=" vt.default_utf8=0"
boot=/dev/sda
vga = normal
# Linux - Slackware
image = /boot/vmlinuz-huge-smp-2.6.37.6-smp
root = /dev/sda3
label = Linux
read-only
BTW, I have been maintenancing the system by chrooting into the device off of my slackware boot disk. Im on slack 13.37
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Feb 24, 2010
I have installed Ubuntu Lucid Lynx Alpha on my computer.was running fine until I installed usplash. Now when I boot up I get a message saying "Ubuntu is running in low-graphics mode" and a list of options. When I select any of them and press Enter I get a blank screen. I can't even load a command line. I want to remove usplash to see if that fixes the problem, but I would have to do it from another OS. How could I do that? My other operating systems are Ubuntu Karmic and OpenSUSE.
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Feb 25, 2010
Having trouble booting Ubuntu 9.10, it gets hung at the first screen where the Ubuntu logo apears. Right now I'm running my Ubuntu 8.10 Live CD.
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Aug 8, 2010
I've been trying on new installation for opensuse 11.3 on Intel P55 raid5 configured system, one non-raid disk for boot device, a raid5 array as data device. However, installation always gets hung on Searching Linux partition step and I was able to see the vgscan process was the last command to run. Is it a known bug? Does anyone have the same issue as mine?
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Apr 23, 2010
I have a 4 gig Kingston USB stick. I have an Eee PC with 4 gig internal flash drive (no hard drive). I can't find the specs but I believe it is roughly equivalent to an Eee PC 900 or something.
About a year ago I downloaded the then latest version of ubuntu for netbooks, created a bootable USB drive from my Mac, as per the instructions at:url
or whatever the equivalent site was then. It booted fine, it installed fine and everything was great.
Eventually the tiny flash drive in my EeePC got full. I couldn't upgrade to the new 9.10 distro through auto updates because there wasn't enough room to download them.
I tried to delete some old kernels and then delete some other stuff. I broke my linux installation and now it won't boot to a desktop. I can get a login prompt and I can boot to the fail safe terminal but not much else.
So, I tried repeating the steps above.
I downloaded the NEW version of ubuntu netbook remix from:url
I followed the instructions for making a bootable USB stick from the first link above. I used the EXACT SAME USB stick as last time (in fact, it still had the older version of the ubuntu install files on it).
There were no errors "creating" the USB drive and it can be mounted on my Mac and I can see the files are on it.
I stuck it into my EeePC and rebooted and hit the ESC key and selected the Kingston USB drive to boot from. The light on the USB drive flashed some, then the internal flash drive light flashed some and the EeePC booted from the internal drive.
I rebooted and went into the bios settings and made triple sure that it was set to boot from USB drive first and rebooted. The same thing happened (it "looked at" the USB drive, then booted from the internal drive).
I repeated the above a dozen times. I REinstalled the ubuntu files on the USB drive from my Mac. I repeated. Still the same.
I redownloaded the ubuntu files and did everything from scratch. Again no errors "creating" the USB drive and it can be mounted on my Mac and I can see the files are on it, but again, it is absolutely useless because it is unbootable.
I tried booting my Mac from the USB drive and my Mac didn't recognize it as a bootable drive either.
I found another 4 gig USB drive and repeated the steps above with it. It was exactly the same: no errors creating it, the drive is mountable on my Mac, but it is completely unbootable.
I am at a loss to find any info on this nor do I have any idea what to try next. I KNOW this worked with the first USB drive last year (with an earlier version of ubuntu). What could possibly have changed?
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Apr 3, 2016
I was running Windows 10 on MSI GT70 2OD-064US hoped to dual boot first had three primary partitions shrunk largest one and ran debian-8.3.0-amd64-netinst.iso chose guided install with remaining free space, didn't force UEFI asked if I wanted to install GRUB after finding Windows Vista (loader) I went ahead and installed. Couldn't boot afterwards with dark screen saying no install media, changed BIOS to legacy mode and got grub prompt followed tutorial and entered these commands:
grub> set root=(hd0,5)
grub> linux /vmlinuz root=/dev/sda5
grub> initrd /initrd.img
grub> boot
This caused it to boot without GUI I ran grub-update and restarted back at grub> again. How to get debian to boot or even windows 10 again?
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Oct 5, 2010
I have a little (well, don't think it's easy to solve) issue - my computer stalled at irqbalance (set up), /etc/init/irqbalance.conf (installing, but hung up).
So, my question is what to do? Should I just push the button for 6 seconds, unplug the power cord, or what? It's been like this for 5 hours, I thought it'd go away, but no. Of course, I'll leave it for night, but there has to be a way out. I don't want to reinstall the whole OS, I have lots of programs (and files, actually, too) in there. So, if you know what's the reason and how to deal with it, please tell me. Thank you. I know there are many geniuses in there. I launched updater yesterday, oct.3, and pushed install button only today.
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Apr 5, 2011
I am attempting to get beyond my grub> as it has hung up there after trying to update my Samsung netbook from 10.04 to 10.10. I have found some answers but a basic question is where do I load grub from a livecd to the mount point where I have already installed my Ubuntu I have attached a screen shot of my partitions on my 160 gb hd and hope it can be opened?
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Apr 8, 2010
I have an Acer Aspire 1410 laptop which was running Win7. The laptop lacks a DVD drive and came pre-installed with a recovery partition as well.I've been searching for ways to dual-boot Fedora on it. I bought a Samsung USB DVD drive, but I burned two copies of Fedora 12 and neither would boot, nor would my Knoppix Live CD. I even updated the bios. Then I tried liveusb-creator from my desktop Fedora 10 system, but I would still run into strange errors that prevented booting into the installer.
Finally I downloaded UNetbootin and created a USB stick to boot Fedora 12. Neither Fedora 12 nor Ubuntu would recognize my network adaptor for some reason. Undaunted, I then used UNetbootin to create a Fedora 11 image which got me into the boot installer for the first time. I then used my Fedora 12 image from my portable DVD drive to install. The install seemed to go well.
That is, until I rebooted. Grub came up as expected. Fedora 12 runs into a very early Kernel panic (not syncing: DMAR hardware is malfunctioning) within moments. I tried rebooting into Windows, but it apparently doesn't care much for Grub. It sends me into the Recovery software and asks me to reset my hard drive. I've tried that a couple of times now and it's useless. Is the problem with Grub? I thought it would play nicely with Win7 and at least allow me to boot into it, which is why I allowed it to overwrite my MBR. I lack a Win7 disc and cannot repair the MBR that way.
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Jun 19, 2010
I wanted to reinstall Ubuntu , so I took my iso of Ubuntu desktop 10.4 LTS and followed these directions [URL] Under create usb stick and ubuntu , but when I went to boot from it after restarting, it hung for like 10 mins at the Ubuntu Splash screen. I'm not sure what is wrong , it worked fine when I installed it on windows
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Jun 22, 2011
I'm trying to perform an install of F14 (fresh install over F13), and it has been showing "running post-installation scripts" for 1 1/2 hours now. I am wondering if this is unusual and what the implications might be of power-cycling and rebooting. I'd note this is a fairly fast machine with 2 quad-core Xeons (I forget their model number).
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Aug 12, 2010
The 7 series is too old to have support, I am told that 7.10 is available,but of course if I try an update I find they are offline. I have the 10.4 Live CD and it hangs after:
Quote:
init: ureadahead-other main process (n) terminated with status 4
init: ureadahead-other main process (n+1) terminated with status 4
* Setting sensors limits I added boot options:
Quote:
nomodeset irqpoll rhgb My system is dual boot with XP running grub (too old for grub2) I have no problem wiping the system(was not booted in ubuntu for 839 days, so what could I need?)
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Feb 12, 2010
I run three Ubuntu machines - work, home, and a laptop. All were on 9.04, and I was able over the past week to painlessly upgrade the first two to 9.10.Today I fired up the laptop for the first time in a while and saw that it hadn't had the upgrade yet, so went to the upgrade manager. It had a bunch of package upgrades it wanted to do, so I let it. But there was no option to go to 9.10, not even after catching it up on updates. It just says the system is up to date. Clicking "check" again just gives the same message. It doesn't seem to know that there's a koala out there.
Settings on the update manager say to accept normal releases, so it's not an LTS thing. Yes, it's on 9.04 now according to /etc/apt/sources.list. Network connectivity is good.What might I be missing that I ought to look for?
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Mar 2, 2010
I upgraded several months ago from 8.04 to 9.10 and found my system slowed considerably.I thought I'd get used to it, but it just seems to really drag. I'd like some suggestions on how to downgrade or alternatively speed up the system (are there items I can "turn off" that can bring back the speediness of 8.04?).I'm considering wiping and re-installing, but getting my system back the way I want it is keeping me from doing that.
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Mar 14, 2010
After successfully upgrading from 8.04 to 8.1 (where even my wireless worked for the first time) I got a system freeze when I tried to upgrade to 9.04.
I suspect the graphics driver but don't know how to upgrade without X running. After booting in generic mode (kernel 2.6.28-1 I can log in the shell but am lost without the GUI.
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Mar 24, 2010
I was trying to upgrade to 10.04 (from 9.10 x86_64)when the update manager crashed without any warning or errors. it happened while the packages were being installed, as a result of which i could no longer login into gnome. so i logged in using the terminal and since i had cleaned the cache before upgrading i ran sudo -i dpkg *.deb (there were a large number of deb files in it, so i thought those were the upgrade packages) but the process couldn't be completed. it said that there were too many errors. after rebooting, gnome doesn't start and i can see lucid development version in the terminal. it also didn't detect my usb keyboard.do i have to reinstall ubuntu.
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Sep 1, 2010
I'm currently experiencing a problem when trying to upgrade my system through aptitude (apt-get *). I can install programs, but whenever it tries do anything with the kernel I get this error:
E: linux-image-2.6.32-24-generic: subprocess installed post-installation script returned error exit status 2
This started about a month ago when I was trying to install some upgrade (with apt) which stalled and I unknowingly shut down the comp while it was running.
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Mar 27, 2011
I talked a friend into trying Ubuntu, and installed it via wubi. So far, he likes it a lot, but today I checked his computer out, and saw that he had a lot of updates pending. There was a kernel update, openoffice, grub, the whole lot. So, I started the update, and, when it finished, the system froze.
I restarted the PC, but now Ubuntu says that the root partition is not ready. When I open a diagnostic shell, it says "Root filesystem check failed". However, an fsck works just fine, and I can see all the files in both Ubuntu and Windows.
There's only one real disk, as far as I can see, /dev/sda1, and it's the Windows disk. The Linux root is a /dev/loop5 which points to a file under Windows. I suppose it's the wubi way, although I'm not familiar with that.
There's a possibility that the Windows disk had errors while I was running Ubuntu; in fact, Ubuntu said something to the effect while booting the first time it failed.
What can I do to boot normally?
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