Ubuntu :: Recover From A Boot Failure?
Feb 14, 2011
Had Ubuntu 10.10 running fine on a Dell box, shut down as normal earlier in the week but now won't boot from GRUB (ends up with Busybox screen and initramfs(?) prompt). PC is a dual boot system which still boots OK into the XP partition on the same hard disk. I've tried all the other Unbuntu boot options in the GRUB menu (older kernels and the 'recovery' / non-recovery options) but all produce the same failure to boot into Ubuntu. I've searched the forums and tried various things but nothing has worked so far.
I tried the fix of booting from an Ubuntu 10.10 live CD, creating a mount point and mounting the relevant linux partition before using #apt-get update and #apt-get upgrade options to repair the installation. This seemed like a logical simple solution BUT the partition will not mount!! Further investigation using the Disk Utility app in the Ubuntu drop down menu indicated an error message along the lines of 'cannot mount Daemon inhibited' which I can't seem to find much information about fixing.
Using Gparted it looks like all the partitions originally set up on the disk are still there.
I put a lot of time into getting the system set up (scanners, printers, webcams and software) and would be really annoyed to have to do it all again if at all possible ...
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Sep 12, 2010
I was updating the kernel and left the computer to let it do its business. There was power failure and I don't know if the update completed or if it was in the middle of it. Now if I start the computer, it freezes up at the login screen. I tried to recover from grub, by selecting "Ubuntu, with Linux 2.6.32-21-generic (recovery mode)". There were no prompts for input after this. The recovery screen is not updating anything after:
[2.348886] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[2.349015] EXT4-fs (sda1): write access will be enabled during recovery
[2.577641] EXT4-fs (sda1): recovery complete
[2.578072] EXT4-fs (sda1): mounted filesystem with ordered data mode
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
When I come out of that screen (ctrl-alt-del), the problem repeats.
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Jan 19, 2011
I have (had) Debian Testing running on a 250GB IDE hard drive, partitioned normally.
I also have 4x 1TB drives in a raid 5 using mdadm, and 2x 500GB drives in a raid 1 also with mdadm.
I put the two arrays in lvm using:
I then used "lvcreate" to make storage/backup 300GB, and the rest went to storage/media (approx. 2TB usable). I put an xfs filesystem on both and mounted them.
All was working fine until the system drive shorted out and died on me this morning. As far as I can tell, all my other drives and everything else is fine. I do a daily rsnapshot of the filesystem, which of course is residing on storage/backup (stupid, I know). So I have full backups of everything, but I'll have to put a new hard drive in and reinstall Debian before I can restore everything.
I've reinstalled before and simply reassembled mdadm arrays and remounted them before with no problems, but this is the first time I've used lvm, so I'm not sure what I have to do to restore everything. Is it as simple as reinstalling the system then doing a:
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Mar 30, 2010
I have window 7, Ubuntu and Cent Os installed in my system. I was actually trying to change boots options but unfortunatly i lost all boot entries. Is there anyway i can recover all three boot records.
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Jan 16, 2010
when i try to boot from the disk i burned, the screen show to lines of code, then pauses and never continues with any process.
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Mar 3, 2010
Have been running ubuntu for sometime now and love its functionality...However since a recent update have the following issues..When I power on the laptop I get the toshiba logo followed by grub loading with the message ' invalid enviroment block" "unable to load default boot entries". When I then try to run the laptop off a LiveCd, the ubuntu splash screen appears with the loading process bar (horizontal line) displayed..however it then appears to display a black screen with no further activity..Now all of this is via an external monitor as my laptop screen shows no activity right from the very start with just a blank screen....so am really stuck here wondering if its a harware/software issue or a combination of both...
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May 27, 2010
I'm not at all sure what happened, but now Ubuntu won't boot. A program just froze (as programs often do), so I shut down and rebooted, only to find pages and pages of gibberish about ATA sectors and stuff when I tried to get GRUB to load my usual Ubuntu platform (Karmic Koala). I tried "recovery" platforms and older ones, but no luck. I'm now using the Live CD and I've found an error saying "DISK HAS MANY BAD SECTORS" about my '160GB ATA Hitachi HTS542516K9SA00'. It apparently has 109 bad sectors, and the Live CD's assessment is that I "replace the disc".
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Jul 5, 2011
I am running dual boot Linux Mint/Windows 7 Home Premium on a Dell 560s Computer. Recently, had an event which required me to use the Windows 7 recovery CD to fix my mbr and rebuild it. After doing so I discovered when I boot the computer I know longer have the option to select either Windoze or Linux.
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Jan 6, 2011
I downloaded Ubuntu 10.10. Initially, I had the problem on the "Who are You" screen and was told that lower case letters were needed. Long story short, I was given a work-around since there was a partition on my hard drive. Ubuntu installed correctly - works just fine. However, upon booting up, if I choose Windows 7, it takes me to Recovery and wants to reinstall factory specs. What's the best way to resolve this? Is going back to factory specs and then reinstalling Ubuntu a viable option? This is brand new computer and I've downloaded nothing - wanted to make sure everything was working fine before I did that - so I would have no problem with doing that.
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Jun 21, 2010
Previously I'd installed Ubuntu Netbook Remix (Lucid) on my Acer Aspire One 751h netbook. the machine came with XP installed, so I installed Ubuntu as a dual-boot setup. I had various problems with the configuration of Ubuntu (nothing to do with the boot process, and now solved) so I reinstalled it.
What I'd actually done with the second installation was to install it again alongside both XP and the original Ubuntu installation (maybe that was also a stupid thing, but I didn't know it would work like that). When I realised what I'd done, I did the stupid thing, which was to delete the partitions with the older installation and swap file (using the Disk Utility).
After that, the next time I rebooted I went straight into grub-rescue. I don't know much about this, but I found a forum entry explaining the basics, so I can now issue grub-rescue commands that let me boot into Ubuntu. I've run update-grub and my /boot/grub/grub.cfg file looks fine.
However, I think this only kicks in once I've got past the initial boot menu and have chosen Ubuntu (now on sda5 - hd0,5). My problem is that the files/processes that load the boot menu on startup still have the old configuration, so when I reboot I still go into grub-rescue and I get 'partition not found' (or, since I recreated the partitions, 'file not found') and root is at (hd0,7).
Is there a way, once I've got into Ubuntu, of changing the information in the startup boot menu Alternatively, if I copy my entire file system from sda5 into sda7, would that do the trick?
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Jan 14, 2010
I've had problems getting Windows to boot ever since I reinstalled it and then reinstalled the grub boot loader. Normally one would think that I would get a Error * message or something along that line but it starts with a quick flash of some text that says "Starting.." and other stuff I can't read before it disappears. Then it goes to my computers built in diagnostic tool, which obviously won't help since it isn't a real hardware problem either.I ran fdisk and here are some odd things that came up.Quote:
The number of cylinders for this disk is set to 5222.There is nothing wrong with that, but this is larger than 1024,and could in certain setups cause problems with:1) software that runs at boot time (e.g., old versions of LILO)2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): m
Command action
a toggle a bootable flag
[code]....
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Feb 3, 2010
whenever I try and boot the computer begins to load correctly, but after the scrolling ubuntu splash, I just get a black screen.
64bit Ubuntu 9.10
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Dec 2, 2010
I have a hp g72-b620us laptop.There were three partitions a "HP Tools" a "restore" and "windows" I resized the windows partition in windows 7 with EASEUS Partition Master. I installed Ubuntu 10.10 on the new partition.Ubuntu boots fine but no windows. When I select Windows 7 it crashes after the animated logo.
Code:
#sudo fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes [code]......
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Mar 1, 2011
I have two partitions Windows XP (which was already installed before Ubuntu) and Ubuntu 9.1 (which I installed later).Now the XP doesn't boot anymore (sorry but I need it sometimes), the Windows screen with the progress bar appears and then it reboots after a couple of secs.
I can access to the XP partition from Ububtu.Of course I don't want to damage Ubuntu during the XP recovery action.
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Jan 28, 2010
I have tried doing the edit as described but all that happens is a new page opens up with a document titled menu.lst.
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Feb 26, 2010
When I start up my computer I get an error message in the BIOS of keyboard failure. I have a dual boot so this is a problem when I want to start windows. I had a recent power outage and the computer got shut off. Then the keyboard started working for two boots. After that the error returned.
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Mar 18, 2010
Ubuntu/Linux operating systems. It installs just fine but after it reboots I get a "disk boot failure, insert system disk". I have searched around but I can't seem to find anything that works. There is only one hard drive in my computer and no other operating systems on it.
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May 25, 2010
I have a triple boot system running Ubuntu, WinXP, and Win7.I had Ubuntu running fine on its own partition (sda1) but an upgrade from Karmic to Lucid turned it into a dog.So I tar-ed my /home filesystem, split sda1 into 2 new extended partitions, then did a clean install of Lucid with / on sda5, and /home on sda6.I should also mention that I have already tried re-installing Grub from a live USB to no avail.
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Jul 27, 2010
I installed from a live disc months ago. It worked fine for a while, don't remember what caused the change.
Now when I boot, I get this message:
Quote:
I have several hdds in this desktop box, one other has a OS on it, has the Hardy version. But i disconnected that (it all used to work with both drives connected and I was able to use that boot menu to change from one OS to the other). I can boot by getting to "boot menu" by pushing the "esc" key when the bios starts (just after the beep). It gives the option to start from, with a list of possible devices to choose from. I don't know where this menu is from, bios or other. I select hard drive, then select the correct hard drive and it starts right up. That is nonsense though. I really no longer need version 8.04 but keep it as a backup in case my preferred OS/hdd fails.
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Nov 22, 2010
I was happily running 10.04--- really worked fantastically! Then, I updated all, and upgraded to 10.10 using the upgrade manager in Ubuntu Desktop. Now, when I choose Ubuntu from the boot page, the computer shuts down--- no errors, it just reboots and I get right back to the boot page. I cannot boot into Ubuntu at all, and I am now stuck with Windows 7 once again.
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Feb 11, 2011
Running 10.10 After a main power failure I can't boot.
It says:
...........
[sdb] Attached SCSI removable disk
[sdc] Attached SCSI removable disk
[sdd] Attached SCSI removable disk
[sde] Attached SCSI removable disk
and stops.
I get a (initramfs) prompt and have no idea what to do with it.
Allready tried to install 10.10 again from a CD. But it also hangs immediately when it starts to install. The liveCD feature works OK and I can access the hard disk. I tried to update the initramfs with the liveCD but it says I can't write since I have only "read-only" access. But if I do "sudo nautilus" I have full access to the disk.
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Apr 23, 2011
i tried to install xubuntu on my desktop using wubi..it instaled and everything when i tired to boot xubuntu it said
Code:
Gave up waiting for root device. Common Problems:
-Check rootdelay=(did the system wait long enough?)
-Check root=(did the system wait for the right device?)
-Missing Modules (cat /proc/modules; ls /dev
ALERT! /dev/sdb3 does not exist. Dropping to a shell!
okay now when i try to boot window$ vi$ta and re Install WUBI window$ cant boot either
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May 25, 2011
I'm having a few problems getting my system to boot after upgrading to 11.04.This problem actually first arose when I upgraded from 9.10 to 10.04 a couple of weeks ago, however I found I was able to boot by loading a selecting a previous kernel version (2.6.31.22 was the latest version I could successful boot from) and as I was a bit busy with exams at the time I decided to leave it be temporarily as I at least had a functioning system.I upgraded from 10.04 to 10.10 and then finally to 11.04 today. The original problem persisted on the upgrade to 10.10 however I was at that point still able to boot using the older kernel version. On the restart after the upgrade to 11.04 however, the system now freezes when trying to boot from 2.6.31.22 or previous versions (the splash screen shows and then the system gets stuck on a blank screen with just a cursor visible, but remains responsive to mouse (cursor moves) and keyboard (goes into restart process on Ctrl-Alt-Del)).
I'm at a bit of a loss of what to do and would be massively grateful if anyone had any advice of where to start for a solution. I can access the system using a LiveCD - the output of the boot info script is attached.
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Sep 1, 2011
I have a dual boot system (Compaq Presario CQ61) with Windows 7 and Ubuntu installed. A while back I updated my Ubuntu system to the 11.04. All went smoothly. Then recently, when the system prompted me, I installed some updates. Since then when I try to boot into Ubuntu I end up at a CLI with (initramfs) as the prompt.I can still successfully boot off of the Windows 7 partition.After reading a lot of articles describing similar problems, and failing to find a fix, I reinstalled 11.04.The system came up without any problems. BUT then, as usual, the system prompted me to install updates. Once I was done installing them and rebooted the computer I was back at the (initramfs) prompt.
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Dec 12, 2009
I recently installed 11.1 via unetbootin from the network onto an old Sony VAIO laptop. After the installation completed, I suppose the OS started to boot, but I was presented with a black screen. I heard "chimes." The black screen does not provide any visible feedback from mouse or keyboard input. I hard rebooted and was presented with an interesting background graphic (grayish, I think) that faded to the same black screen.
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Jun 7, 2010
I wanted to know the solution that if my linux crashes then can I recover my windows in adual boot env.
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Jan 13, 2011
Ive been at this for two days now, and cant make any progress.
First, the details:
Target Machine:
IBM (e)server, xSeries 306
OS: Fedora 4
Boot Order:
1. CD...
2. Removable Media
3. SATA...
USB Drive:
adata 8GB
Process:
I used the prescribed live usb creator for windows to fill the usb drive. Ive attempted to boot from the USB at least 4 times, once from each USB port on the box. No luck.There isnt an option in the BIOS to select the specific boot device. I bring that up because my desktop does have that option, and using the BIOS BOOT MENU, I was able to boot from the USB and bring up the Fedora 14 Installation Menu, no problem.
So, it works on the pc thats on my desk (eMachine w/XP), but the IBM doesnt even recognize it.
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Jan 13, 2011
Ive been at this for two days now, and cant make any progress.
First, the details:
Target OS:
Fedora 14, i386
Target Machine:
IBM (e)server, xSeries 306
OS: Fedora v.4
Boot Order:
1. CD...
2. Removable Media
3. SATA...
USB Drive:
adata 8GB
Process:
I used the prescribed live usb creator for windows to fill the usb drive with Fedora 14 i386. Ive attempted to boot from the USB at least 4 times, once from each USB port on the box. No luck. There isnt an option in the BIOS to select the specific boot device. I bring that up because my desktop does have that option, and using the BIOS BOOT MENU, I was able to boot from the USB and bring up the Fedora 14 Installation Menu, no problem.
So, it works on the pc thats on my desk (eMachine w/XP), but the IBM doesnt even recognize it.
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Jan 15, 2010
I have installed ubuntu 9.10 with karmic kernel and GNOME, on toshiba 512 MB RAm laptop. it worked fine but some times after complete shut down or sleep, it wont boot again. Laptop is completely dead and silent. I had to power it off, battery taken out and inserted again to get it started again. Then it worked all normal and fine. Why it happens and what i shud do next?
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Feb 19, 2010
I have 2 USB drives. I have had 9.04 running on one for some time. I used Disk Creator in 9.04 to 'create' the drive. I use it as a reference to verify how things went in 9.04 if I hit a problem with 9.10.
However, after some months, when I tried this USB drive it produced this 'Boot Failure'. I followed up by checking the other USB drive which had Lubuntu installed via USB Disk Creator and it produced the same result ie 'Boot Failure'.
The Machine bios is set in the correct order.
I have tried to 're-do' things via 'Disk Creator' in 9.10 and 9.04 with the same result. It is not likely that both USB drives have failed at the same time.
Is Grub2 at fault in some way?
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