Ubuntu Installation :: Grub And Root Device Missing - 64bit System
Sep 1, 2011
The problem after couple installations (10.10 --> 10.04 --> 10.10 --> 10.04-3) is that system goes to "busybox" after complaining about missing root device. I already have come to conclusion that this problem could be solved by telling the system that the root device is at sda1. However, I'm not able to start grub (by pressing "ESC") at boot before problems start. I'm able to start live-cd and I tried to install "over" the old one (same partitions without format, same username). No luck.
And in the busybox /proc/modules is empty for example. And the grub has worked with previous installations.
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Nov 30, 2010
just installed ubuntu 10.10 on my external usb hdd from my 8gb flash drive doing this on a laptop, my primary hdd (internal) is running windows (230gb of 250gb used) so i got an external hdd (2tb) and I decided to install ubuntu on it
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Apr 13, 2011
I'm currently setting up a dell server with hardware raid 1 on sas 6r. i got 4 sas installed on the server and configured to raid 1 as stated below,
array 1:
slot 0 & 1
array 2:
slot 2 & 3
during the installation, the installer detect the array 2 as sda and array 1 as sdb.. so i proceed with installation on array 2. after completed the installation, the first reboot lead me to a 'grub-rescue" prompt. by following the guide at url Mode, i've noticed that the boot folder has changed to (hd1,1), which i believe it has changed to sdb1. default root device shows that prefix=(hd0,1)/grub.
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Jun 18, 2010
I had to reinstall 10.04 because I got an error, waiting for root device. And I figured I knew why I got this error: I changed my xconf.cfg (or whatever the file is in /etc/x11/) -- So this time I downloaded the 64 bit, because I have a 64 bit computer, so though, might as well get it! I've narrowed the problem down to this:
After I install nvidia settings (the x server or whatever?) And change my view to TwinView (I have my laptop monitor and an external monitor), and save the config file, this happens. I will do some more testing, but here is the whole error message: Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system not wait long enough?)
- Check root= (did the system wait for the right device?
- Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/disk/by-uuid/bcb49367-8554-4116-8e4d2b39d92415cf does not exist. Dropping to a shell!
BusyBox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu11) built-in shell (ash) Enter 'help' for a list of built-in commands.
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Dec 26, 2010
Have installed ubuntu on a separate partition on single hard disk and system initially worked on a dual boot basis with windows xp. However after installing most recent series of updates computer is failing to boot.
Error message is 'error : no such device : 6937cabe-f115-455b-a248-6f8d46f80682.' prompt showing is 'grub rescue>' am now unable to access either windows or ubuntu.
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Oct 21, 2009
I just noticed, on both of my CentOS 5.3 servers, within grub, root shows (fd0)device.map = (hd0) /dev/sda and nothing else.
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Mar 1, 2011
I installed 10.04 (clean install) on a 250G drive (partitioned to 107G for the system files). It was working fine, until I wanted to install Window$ for the use of Adobe stuff. I popped the Windows XP disc in, it loaded its files, then I tried to choose a partition for installation. There was an error saying that I can't do that, and needed to delete a partition blah blah. I thought it was too much trouble, so I quit and just wanted to use my 10.04. Booted, and it says "Error booting operating system" I WAS SHOCKED.
I tried to install grub (but don't need that right? I DO NOT want to dual boot now), but the usual method ( the sudo grub; root (hd0.0)...) doesn't work ,because something like "stage1" is missing. I tried many methods by still the same error. The reason I do not want a clean install is that I did many fixes on my 10.04 so that it would work with my EeePC 1001pxd, and I do not want to go through that again. I will be checking my email frequently on other computers if I have a chance.
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Oct 11, 2010
I'm trying to install Ubuntu 10.10 64 Bit but when the Setup loads, the fonts are missing, instead I see a lot of squares [][][][][] [][] [] [][][] and I can't continue because I can't read anything, I try to change language at boot menu but I can't solve it. Also I have tried to install it into a VirtualBox, but the problem is still there. I have installed Ubuntu 10.04 64 Bit and it works perfect, I downloaded the ISO today, this is the finale release. What can I do?
This is my screenshot:
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May 4, 2009
The only user that can make the sound card work on a F10 x86_64 system is root. For non root users, I am not seeing any error messages when a app tries to use/access the sound card, just nothing plays. As I said, for root everything works as expected. I am sure this is a permission/setup issue, but I have no idea where to start.
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Dec 16, 2010
I updated yesterday and now when I start my laptop it goes in to grub rescue mode. I have booted from a 'live cd' and thought I could repair grub from there. In gparted however the partition with ubuntu (sda1) is seen as unknown file system, in terminal when I list the partition table it shows up as FAT16 type. When I try a grub-install it gives this error message:
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May 24, 2010
When I was upgrading my system (ubuntu server edition) today from 8.10 to 10.04 (of course in small steps: upgrade version after version) everything seemed running smoothly. But when I restarted it, it gave an error message: Gave up waiting on root device. Screenshot of error and grub menu attached. I've read some information about it and applied the possible workaround given here: [URL]. My system is very old and so is the HDD: it uses an IDE connector. Typing 'exit' doesn't work either.
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Aug 4, 2010
The system is an old AMD Duron 650MHz that was dug out of the garbage, trying to set it up as a light duty server. I installed ubuntu 10.04 with no errors or troubles during the install, however whenever the system is booted it sits at a cursor for about a minute then goes into busybox giving the error "Gave up waiting on root device." and says that the hard drive does not excist. If I sit at busybox for about another minute and type exit it then boots ubuntu 10.04 with no errors or issues.
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Jan 1, 2010
I have received an Lenovo T400 as a gift and am going to get rid of the Vista Business OS on it! It is a resource hog and sometimes has trouble hooking up to our router. I was curious yesterday on how much RAM was being used on idle and it was between 900mb and 1gb! I'm downloading Karmic 64-bit and would like to use the old GRUB instead of the beta Grub2. At least with the legacy grub I could edit it easier than the beta one. I am also wondering if Karmic would run fine using ext3 instead of ext4?
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Jul 15, 2010
The default (graphical) installer did not work on my PC (i7 quadcore 8 GB DDR3). I have installed Ubuntu using the alternative installer (Desktop, 64 bit) on my external USB drive. I installed grub on the MBR of the second drive (/dev/sdb) as I did not want to touch my (first) Windows disk. After reboot (chosing the USB drive as boot device, else Windows is booted) grub reports an error and enters the rescue mode. I tried all possible combinations of "root=(hdX,Y)" in grub.cfg to no avail.
I repeated the whole procedure but now disconnected the internal HD with Windows. Installation went smooth again (Windows disk was not seen this time), but after reboot (the internal drive connected or not) I again get (slightly different this time) grub error: can not find file.
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Sep 1, 2010
I upgraded from Super Ubuntu 2008.11 to Ubuntu 10.04.1 online ( my mistake ). Now I can boot into Ubuntu 10.04 with 2 kernel options and a failsafe. However I can only boot as a user ( rejean ) and not as su or sudo. My other problem is that I don't have a gui. I would like to do a Code:sudo dpkg-reconfigure xserver-xorgbut there is no password that works.What should I do?
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Nov 10, 2009
Today I got update notification. I type in terminal yum update, and get this error: Quote: Error: Missing Dependency: libnetfilter_conntrack.so.1()(64bit) is needed by package iptstate-2.2.1-5.fc11.x86_64 (installed) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest
I removed iptstate.x86_64, again run yum update, and than, ibnetfilter_conntrack got installed. I tried to install iptstate.x86_64 again, but i get Quote:
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Oct 18, 2010
this is my first setup of ubuntu. And I�m quite familar to Linux allthoug it�s been a while since my last setup. Anyway, my system is brand new and consist of the following parts:
AMD Athlon X2 240e on MSI 880GMA-E45 (SB850)
4GB RAM (DDR3)
All drives connected by SATA using onboard SB850 ordered by:
1 LG BluRay optical drive
2 WD Caviar Green WD10EARS 1TB
3 WD Caviar Green WD20EARS 2TB
4 WD Caviar Green WD20EARS 2TB
5 WD Caviar Green WD20EARS 2TB
6 WD Caviar Green WD15EARS 1,5TB
I set the SATA controller to AHCI because I want to set up a software raid (level 5) on the three 2TB-disks. The first disk (1TB) should be the ubuntu boot disk (no raid). The last one (1,5TB) is currently not connected - it will be added later. First I struggled booting the ubuntu server 10.10-CD (x64) from the bluray drive - after succesfull starting the setup procedure it told me that it cannot access the drive. It seems that drivers are missing. No problem - I connected an usb dvd drive to the system and gave it a try.
The boot order was set to usb-dvd, then bluray, then the first harddisk (1TB). Setup seems to run fine using the usb dvd drive. I�ve chosen the first disk (shown as /dev/sda) for the installation. It was automatically configured as one big root-partition and a small swap-partition. Grub was installed on the MBR of the first disk. But after restart GRUB tells me "Gave up waiting for root device" and "ALERT! /dev/disk/by-uuid/whatever does not exist. Dropping to a shell!". Obviously the boot loader cannot find (or access) the volume containing the kernel.
I made some research and found some other people complaining about some mixup of hdaX and sdaX devices on SATA devices - but these statements where from 2007. Another point is that the USB optical drive is my boot device while the installation runs, but not afterwards - does this matter? I also tried installing Ubuntu server 10.04, but is behaves the same. Please keep in mind that the goal is to have ubunto server 64bit running on this system - that�s it. No dual boot is needed. And there is no data on any disk that should be taken care. It�s a very new system. Where should I start to fix this issue? What�s wrong with the current linux boot loader using SATA disks connected to SB850 SATA controller?
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Feb 7, 2009
I did an installation of Ubuntu 8.1 on my laptop. I ran the live CD first to check that everything was ok and got no problems. But when I try to boot I get this error:
Boot from (hd0,0) ext3 e194- long number
Gave up waiting for root device.
Alert /dev/disk/by-vvid/e194- long number
I tried a different hard drive with the same results. So I installed XP and everything worked fine. This makes me believe that all of the hardware is ok and I have some config screwy.
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Mar 27, 2010
I have dual boot system..i.e, windows XP and ubuntu 9.10(insatlled side by side). when i try to boot ubuntu, Im gettin sh:grub > prompt
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I am getting something like this.. root mount file system failed.. ext2 ext3 ext4 ....... kernel panic message and hanged at kenelthreadhelpper+ what can i do.. I cant reinstall ubuntu again.. Because I have installed nany application there..
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May 19, 2010
I just (for the first time ever) installed a version of Ubuntu. It is 10.04. I installed off of the Live Disk. I was having a great time until the first time I went to boot into it and I got the message
"Error: No such device: "long number" Grub Rescue> "
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Jun 24, 2010
I got the message "Gave up waiting for root device after I rebooted an Ubuntu 10.04 system I thought I restored by unpacking a tar.gz at the base of the directory tree I made for backup purposes.
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Apr 20, 2011
About a week ago I changed the hard disk setup of my desktop PC. I installed a new SSD and changed the set-up of my old hard disks. Since I installed the SSD I have not been able to boot Ubuntu from it. When I reboot and chose Ubuntu at the grub menu then it ends with the following error: 'Gave up waiting for root device' and '/dev/disk/by-uuid/2bef4d2f-db0e-44b3-9e85-2065fad6f4a0 does not exist. Dropping to Shell!'
I have made a description of my current set-up and the changes made last week and I have copied the output from boot_info_script as well. Old setup:
Asus P5Q-Pro mainboard 3x Samsung Spinpoint F1 750GB with 2 drives in a (fake)raid 0 setup using Intel Matrix Raid Storage from the ICH10R chipset with 4 partitions: a system partition for Windows 7, a system partition for Ubuntu, a data storage partition for Windows and a linux swap partition 1 drive not in a raid array and split in 2 partitions: 1 ext4 partition used for my /home folder (since the Ubuntu system partition was not intented to be used to store documents) 1 ntfs partition used to backup documents, pictures/photo's and music from the Windows data partition on the raid array Since release 10.04 Ubuntu would install properly on the raid array. Before release 10 I had to use the alternate cd installation and install grub manually to avoid messing up the boot process.
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Jan 25, 2011
I just installed it yesterday, version 10.10, desktop edition, downloaded from Ubuntu's site; running it along side Windows; and love it from the get go, but... I can't get the Flash plugin to work.
I'm running a Toshiba Satellite Pro P505-S8945 with this specs:
2.0GHz Intel Core2 Duo P7350 Processor
400GB Hard Drive, DVD SuperMulti Drive
Microsoft Windows 7 Home Premium (32bit), 4GB RAM
ATI Radeon HD 4570 Graphics
I tried installing the 32bit version on Flash but kept getting error messages about "wrong architecture i386", so, I went to the (sorry if i make a mistake I'm paraphrasing) "Ubuntu software center", the application within Ubuntu where you can go to the repositories and get software upgrades, and I realized that for some reason Ubuntu is recognizing my system as running on an AMD 64 processor, which I'm not! Mind you, I haven't tried to install the 64bit version of flash, just wondering really, the reason why Ubuntu would say that I'm running on a 64bit AMD processor!
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Jun 3, 2010
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:
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Feb 13, 2011
After a hard drive failure I installed Ubuntu 10.04 LTS in the secondary drive. The intention was to have keep the machine functional until I could reinstall XP and have a dual boot. I replaced the failing drive and reinstalled XP.
The main reason for keeping windows is for using Itunes and a ton of music on the Ipod. I can get into the Ubuntu using Super Grub2 and did try repairing Grub 2 with rescutux. I can of course use the super grub2 disk to boot into Ubuntu but would like to repair Grub2 so I have the choice at boot without the disk.
Here is the readout from the boot info script.
Code:
Boot Info Summary:
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Jan 29, 2010
I'm using Kubuntu 9.10 with Ubuntu-desktop installed.I've been using kubuntu for sometime now but i dont know much technical things about it. I have two hard discs (160GB SATA and 80GB PATA).I have just installed Windows XP Professional and then reinstalled grub2 from a live CD. Both OS are on 80GB PATA drive.The Grub menu at boot time has "Windows XP Professional" entry in it. The problem is thatwhen i select that entry, i get an error saying:Quote:Grub:Error:No such device - "a string of letters and numbers"Press any key to continue...When i press any key, it goes back to the grub menu. Kubuntu and Ubuntu work fine.When i go to bios and change my hard disc boot order, grub is bypassed and Windows boots and works good. I dont know much technical things but i think maybe its the problem with Windows entry in grub. (something to do with lines map(hd0,hd1) and map(hd1,hd0) (But i'm nt sure. I just said wat i thought it might be)
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Jun 2, 2011
I have installed a new Linux distro (just to test it) on my usb memory stick, and I'm trying to run it. I don't know if what I did is correct so far, anyways here's what I have:
Grub on sda (internal hard disk)
sdb with no boot loader (memory stick)
In grub I've been doing:
root (hd1,0)
kernel /kernel-genkernel-x86_64-2.6.37-sabayon root=/dev/sdb1 vga=normal
initrd /initramfs-genkernel-x86_64-2.6.37-sabayon
boot
This seems to work (as opposed to when I forgot the root= parameter, which almost destroyed my linux on sda1 ), but during startup the system complains about no root bein found on /dev/sdb1. I also tried (hd1,0), but it didn't change much.
I'm sure I can boot an OS from usb on my computer, so doesn anyone know what I'm doing wrong?
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Mar 9, 2010
I'm having problems upgrading my FF browser from the standard 3.5 up to 3.6. This is a 64bit system, & if I can provide any other info about it, just ask.I've searched this forum for the help I'm looking for, but I have not yet seen an acceptable answer. If this has glitches, or is too complicated, I won't even bother....3.5 is fine for now, but it would be nice to upgrade.
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Jan 30, 2010
I was defraging windows xp and the power want off now I can only boot into ubuntu from Grub.
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Feb 20, 2010
I'm running Hardy 8.04 LTS 64bit. The Update Manager updated the kernel and then asked if I wanted to use the local version of the grub menu. The boot menu was getting so long I edited it to shorten it. Other options were also offered, like the builder's version, but I chose the local version and since then the new kernel doesn't show up in the boot menu. Sudo update-grub doesn't restore it to the menu.
How do I undo the local version of the boot menu so I can see the newest kernel?
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