Ubuntu Installation :: "Cannot Open Root Device" While Booting Install Iso On Flash Drive?
Sep 26, 2010
Ubuntu 10.04.1 to prepare a USB flash drive for use as installation media for a new computer that's on the way. When the Linux kernel tries booting up on the flash drive, I get an error saying VFS: Cannot open root device "<NULL>" or unknown-block(8,1).Here's how I got to this point...Created bootable partition on the thumb drive.Put the following files onto the flash drive: initrd.gz, vmlinuz, and ubuntu-10.04.1-server-amd64.iso fromhttp://archive.ubuntu.com/ubuntu/dis...ages/hd-media/Install Grub2 to the drive via grub-install.Put the following into boot/grub/grub.cfg:
Code:
set timeout=120
set default=0
[code]....
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Apr 24, 2011
I am trying to install Ubuntu 10.10 from a USB flash memory stick. It works fine until around 95%, where I get the following warning/error:
[Code]....
I click OK and the installer seems to finish nicely, except the terminal throws several errors along these lines (see photo):
[Code]....
I tried also with 10.04 LTS, the difference being that the install warning appears two or three times instead of once. Some results from googling (Ubuntu Forums, Ubiquity bug) suggest unchecking the initial update options. I am going to try this but I'm not sure if I'll be able to get the boot loader right (there seemed to be problems with this).
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Mar 1, 2010
So I am at my wits end trying to figure out why this won't work. I am trying to install ubuntu 9.10 on my netbook (I hear it runs better than remix) but an running into a wall. I am already using Jolicloud as my main os on my main partition. I have used Unetbootin to get the 9.10 iso on my re-movable media. I have gone into the bios and chose to have it look at the re-movable first, then my 1st partition on the HD. For some reason it never looks at the USB drive. I have disabled everything on boot except for the media and i get a screen that says "insert bootable media or restart" then i have to go back into bios and enable the HD again.
Side note, the media I am using might not be in fat 32 because I haven't figured out how to format in linux but, I have formatted in windows so that it is fat 32 and got the same problem.
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Mar 15, 2010
I have an 8GB Sandisk Cruzer, which reportedly works just fine booting Linux. It does have U3 still present on one of the partitions, but this should not pose any problems either. I also have a 2GB FAT32 partition for storing Windows stuff. The rest (5.7GB) I have reserved for Ubuntu. Windows reports this as an active partition, and the Ubuntu boot CD reports this partition as dev/sdb5. I have installed Ubuntu from the Desktop CD to the USB partition using the guided install (largest continuous free space) and selected the boot (grub) location on the same partition (sdb5), as I'd rather not modify my existing windows bootloader. A 300MB swap partition also exists on the drive. When I attempt to boot the USB drive from either my laptop (Inspiron 1505) or desktop (Abit IP35 Pro), only a blinking dash (or underscore) appears with no LED activity on the flash drive. Could it be that the MBR of the flash drive needs to be aware that the grub install is located at sdb5?
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Dec 7, 2010
I recently bought a barebones computer kit and I need an operating system. Upon recommendation, I am considering openSUSE. Further I did not order a disc drive with my computer. This means that to boot openSUSE my only real option would be from a flash drive.
I have found an introduction on how to do it with ubuntu:
Create a Bootable Ubuntu USB Flash Drive the Easy Way - How-To Geek
I am interested to know if I can do a similar thing with openSUSE.
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Jan 6, 2010
I have a large external drive, which I connect to my laptop via a PCMCIA card - the machine is old and does not have USB 2.0 built in, so I use the PCMCIA card for that.
I am thinking of the following setup, and hope you can give me some tips on whether or not that would be a sound solution:
- designate a boot partition on the laptop's internal hard drive, which could store kernels
- make up a linux partition (or more than one) to use as root for any distribution on the external drive
- keep /home as separate partition on the external drive
My goal in mind is to be able to boot more than one Linux partition from the external drive. I can't make it through USB boot because the PCMCIA card is not recognized before a kernel module is loaded, and I can't use the internal USB 1.1 port for the external drive.
Do you think this is the way to go? Currently, I only have my /home partition mounted off the external drive.
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Nov 14, 2009
Currently running rc2. Downloaded 11.2 final DVD, md5sum is good, burned DVD, YaST says media check is good. (And for completeness burned a second DVD and get the same problem.)
On booting from the DVD I select "Installation" - a kernel loads and starts checking available h/w devices then crashes with the above message.
Followed by Please append a correct "root=" boot option.
Tried with root=sda1 (partition that is /) and only change is unknown-block (0,0)
My best guess is that I have EXT4 (did a clean install of RC2)? And/or I dont have a swap partition?
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Mar 19, 2011
I've installed Fedora 15 with Fedora 14 already installed in other partitions, but now I can't boot Fedora 14 as it prompts "no root device found", these are both grub.confQuote:
#boot=/dev/sda
default=0
timeout=120
[code]...
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Nov 5, 2010
Installed Maverick last night... the system has been working fine all day... then on a reboot tonight got the following.
RAMDISK: gzip image found at block 0
usb 1-2: new high speed usb device using ehci_hcd and address 2
uncompression error
VFS: Cannot open root device "mapper/mylaptop-root" or unknown-block(0,0)
[code]....
Then it gives the Kernel Panic
Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Pid: 1, comm: swapper not tainted 2.6.35-22-generic #35-Ubuntu
Then a call trace...This is a brand new install of Maverick I copied my files onto a USB and did a fresh install on the whole drive using the alternate CD (the desktop and netbook editions both failed to read on my system) was previously using Karmic with no issues. I tried to e2fsck the dev/sda1 from the CD in "repair broken system" mode but the return was "clean" I read that as the file system being intact but this is an area that I have no real knowledge in.
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Mar 13, 2010
I ran across this webpage and was just wondering if anyone's tried this before.
[URL]
I've got a spare 1GB lexar jump drive and was thinking of trying it out.
I just wanted to know if a 1GB drive is large enough.
anyone tried a Lexar jump drive before?
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Oct 25, 2010
I have a redhat ES3 I want virtualized.the virtual machine encounters a problem starting when it is virtualized
There are this message :
RAMDISK : couldn't find valid RAM Disk image Starting at 0.
VFS: Cannot open root device "LABEL=/" or 00:00
please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 00:00
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Sep 2, 2010
I have loaded the Ubuntu 10.04.1 Live CD onto my HP p386i desktop. It loads easily and responds well in the "Try It" mode. I purchased a 16 gb USB Flash drive and did an install from the Live CD. After booting the CD ROM to the window where given a choice to "try" or "install", I inserted my flash drive into the USB port and selected "install". I had my 2 hard drives disconnected. At install point #4 I selected my USB drive and also selected manual partition . The partition displayed as follows:
Partition: /dev/sdf
/dev/sdf1 Type: EXT2 Mount at "/" Size=15,300mg Used=33
/dev/sdf2 Type: Swap Size= 718mg Used= 0
[code]....
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Mar 22, 2011
I have added CentOS5.5 x86-64 to a linux box that already contains installations of Ubuntu 9 and SL 5.2. Grub2 was installed with Ubuntu and is on the MBR of the disk. I did not install grub with anaconda/Cent. Grub update in ubuntu finds the Cent install and addes it to the grub.conf, and Cent appears in the grub menu at boot. If I select Cent, I get the following error.
VFS: Cannot open root device "sda7" or unknown-block(0,0)
Please append a correct "root=" boot option
Below is the output of boot_info_script, which gives the relevant boot file data. There are still grub conf files on the SL install, but grub is not installed there anymore.
Boot Info Script 0.55 dated February 15th, 2010
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #6 for /boot/grub .....
sda3/boot/grub/grub.conf:
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that all kernel and initrd paths are relative to /, eg.
# root (hd1,2)
# kernel /boot/vmlinuz-version ro root=/dev/sdb3
# initrd /boot/initrd-version.img
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May 28, 2010
I'm trying to make a sort of "toolkit" flash drive using grub2 but I am running into some problems. For some reason, every entry below gives me the error "you must load the kernel first" when I try to boot it. I have checked in the grub command line and it appears that grub sees my flash drive as the first drive when booting. This is what my grub.cfg looks like.
Code:
#Clonezilla v1.2.5-17
menuentry "Clonezilla 32"
{
set isofile="/boot/isos/clonezilla32.iso"
loopback loop $isofile
[Code]...
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Apr 23, 2010
When booting up my IBM Thinkpad Ubuntu stalls giving the following messages:
Cannot open root device "uuid=58a5831c-5757-49f8.....
Kernal Panic - not syncing: Unable to mount root fs on unknown-block
Spurious ACK on isa0060/serio0. Some program might be trying to access hardware directly.
I am or was using Hardy.
It seems to me that the program is telling me it can't find the hard drive or the partition where the OS resides. I have my drive partitioned with into sections for booting, the OS and my Home directory.
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Apr 22, 2010
I tried to follow directions to install flash player (or any other application for that matter) and could not log in as or use the password command to changehe root password. his is a fresh install of linspire (freespire) so i wouldn't know of anyone else's password existing. So, say you can give me a quick solution...afterward, how do i install flash if the file exists as /home/jevans/easyiso/flashplayer.tar.gz ??
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Aug 31, 2010
it does not have a cd drive, i know that you can install off of a flash drive.
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Nov 29, 2010
How could I install and run Ubuntu on a flash drive? by that I mean have it so I can RUN Ubuntu off of the flash drive on any PC it is plugged into.
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Nov 21, 2010
I have 2 Debian OS's and wanted to put Fedora next to it.
Install went ok, but after rebooting it says: "No root device found. Boot has failed, sleeping forever."
During install from the live CD I didn't "v" the boot (efi or something?) because I thought Grub would take care of everything.
Should I just reinstall again and choose the Fedora bootloader? Won't it mess up Grub?
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May 18, 2010
The hardware is a psystar box with 2 drives for os x and ubuntu respectively. I attempted install of ubuntu over older version of xubunut without physically disconnecting the os x drive After install I could not boot into either system. THEN I remembered something about the install problem that 10.4 has and installed ubuntu again, this time following the instruction regarding booloader install. Now I can boot ubunut fine, but of course when I select drive holing os x it hangs on 'Verifying DMI pool data....' I've been looking at some thread on here about dual boot problems with Win7 and such, but are any of the recommended diagnostic and repair steps relevant to my case, specifically testdisk and bootinfo scripts?
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Jul 15, 2010
I need to install Ubuntu on a client device that does not have a CD/DVD drive. It's on the same network and I'd like to be able to insert the Ubuntu CD into my desktop linux machine and install the OS onto this other device remotely.Is there way to do this easily? The client device is a barebones. There is nothing on it and I want to use the entire partition for this.
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Mar 11, 2010
I have one new laptop that doesn't see one usb bootable device. The usb is a 1G with Mint8 on it that works on plenty of other systems. This is a newer HP laptop core i7 that see's two other flash drives and tries even to boot to my older flash install (only has syslinux no other files) but doesn't show the newer one in bios boot order or boot order choice F9.
It will work correctly under windows so the system does see it.
how to that that single drive to show up in order to boot to it?
Did power down, remove all usb except this one, tried to see if it fell under hard drives instead of usb.
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Jan 13, 2010
How to put ophcrack on linux because of my supposed intentions of plugging it in waiting 20 mins and cracking passwords wherever people do this I know having to waste my space triple booting the thing with Ophcrack XP/Vista and BackTrack. How does one go about dual booting a flash drive? I could not find much on the internet.
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Jun 18, 2010
"In this tutorial you will prepare a USB flash drive to make it bootable. After you booted it it shows you a menu where you can choose which live system you want to boot. So you might be interested in this tutorial if: You want to have multiple live systems on one USB flash drive In the future you want to create a new bootable live system just by copying the ISO file onto the drive and edit the grub.cfg You don't want to or can't use Distro specific LiveUSB creator tools You prefer a cleaner solution than the most LiveUSB creator tools which create several folders and files at the device root You are feeling bored and want to see cool features of Grub2 If you have a Grub2 version with Lua support you even don't need to manually edit the grub.cfg when you add new or remove live systems." Remainder of information is found here: [URL] This was found in a closed Karmic Development forum - can this be validated and updated if needed for Lucid?
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Jun 8, 2010
I need some1 2 direct me on how 2 install wicd on ubuntu 10.4 from a flash drive.
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Mar 31, 2011
I have built a small spare computer and I dont have a cd/dvd rom. I would like to install ubuntu 10.04 from a flash drive. The bios is AwardBios 3.01. I cant seem to boot from flash drive. I disable everything in the boot menu at the exeption of "removable device". In this sub menu I have; "LS120", "ZIP-100" and "ATAPI MO". In the "other boot device" menu I have "SCSI BOOT DEVICE". I have also changed USB to "primary" instead of "auto". There could also be a chance that I havent prepared the files on the flash drive properly.
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Apr 1, 2011
I put Ubuntu 11.04 Natty Desktop Beta 1 on a flash drive using 7-zip and am trying to install it on a (this is all I know about it) an HP G71 laptop, but when I hit Esc (as instructed) to interrupt the boot process, when I hit USB DEVICE, It starts up with Windows.Is there a way to do a basic install with wubi without booting up from the drive?!?!?!?!
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Oct 21, 2010
I have been trialling Slack 13.1 on a spare 32b system for a couple of weeks, and today I took the plunge and put it on my main machine. I completely re-partitioned the drive (using the Slack disk) and installed Windows7 on one partition and Slack 13.1 on another. The install worked fine and I tested that it boots from LILO into both Windows and Slack perfectly. I then ran:
slackpkg update
slackpkg install-new
slackpkg upgrade-all
And since then it fails to boot with the following:
Code:
VFS: Cannot open root device "802" or unknown block(8,2)
Please append a correct "root=" boot option; here are the available partitions:
0840 488386584 sde driver: sd
0841 97659103 sde1
0842 19535040 sde2
0843 498015 sde3
[Code]....
I have seen many, many similar problems when searching Google but they all seem to be caused by different things.
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May 5, 2009
I'm interested in trying out Fedora but would use it on my current Netbook (an ASUS eeePC 1000HE). I currently have Mandriva on it though which I don't want to stop using.Can I install it on a Flash Drive? If so, would it be in a sense a LiveDVD type of installation or could I actually do an install on the Flash Drive to use it as a Hard Drive? If so, what would the minimum flash drive size be?
Also, if I use the Flash Drive as a hard drive would it still have to use the internal hard drive or can all 3 partitions (swap, root, and home), be on the flash drive? Would it be possible to run it on more than one machine since I also have an Acer Aspire One?
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Jan 10, 2011
I downloaded the 32 bit Fedora 14 and burned the image to DVD. I didn't want to try to install it on the HDD because the last time I tried to install a distro that used Grub and not Grub2, the only OS I could get into from the boot screen was that OS that I installed with Grub.
I went ahead with the install in hopes that it would see my 4G flash drive, sdc was present so that is where I installed it. I mounted / in sdc1 and the bootloader in sdc. Everything seemed to install, install finished and said I could reboot. On reboot it tried to boot from the USB but just sat there, it never did boot.
[Code]...
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