Ubuntu Installation :: 9.10 Failed To Update - Unable To Mount Root FS

May 25, 2010

I wanted to try out the new Ubuntu 10.04, but since I don't have any CD's available I thought I could use my 9.10 CD and upgrade from it.

1. Installed 9.10 on the entire disk.
2. Went to update manager(?) and clicked the button to upgrade to 10.04
3. It successfully downloaded all the files.
4. When installing the new files it suddenly said that it failed to update, and it stopped. Then I went to do a hardware test, but none of the menus were working.

I had to do a manual shutdown, and reboot the computer. This time I was met with an error "Unable to mount root fs".

I figured the upgrade was the problem, so I reinstalled 9.10 to try without upgrading.
1. Reinstalled 9.10 on the entire disk.
2. Went to update manager(?) and started the normal update for 9.10 so the system would be up-to-date.
3. Same thing happened now, it fails to update and it makes my computer useless.

I've already checked my hardware for errors, can't find any. I've checked the CD for errors, can't find any. I had 9.04 on the same computer a few weeks ago, and it was rock-solid. Worked like a dream. I'm using Win7 now though.

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Fedora Installation :: Upgrade To 12 Failed - VFS - Unable To Mount Root Fs

Nov 21, 2009


I've upgraded to fedora12 from fedora11 using preupgrade.

The process was successfull till the first boot, where I got above error message.

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Ubuntu Installation :: Mount /dev On /root/dev Failed : No Such File Or Directory

Aug 8, 2010

Ubuntu(10.04) was working fine, then some program crashed or something, and I just switched off (power offed) the computer. When I restarted it, this sort of stuff comes:


mount /dev on /root/dev failed : No such file or directory

and some more lines like that, and then 'Busybox' starts with [intramfs].I booted Ubuntu from a pen drive and ran fsck on the main partition. I just pressed 'y' for a long time (it asks stuff like should it continue repairing or something), and then it was done. I restarted the pc and it booted normally - it looked as if everything was fine.I started google chrome, and it said it couldn't find a personal config file .. ok. Then I tried opening a folder - nothing happens. The system monitor doesn't open, and windows that do open eventually are completely blank. I restarted the pc (this time by doing the normal restart), and it gave me the same 'Busybox' thing.I did the same procedure again, and got the same results. (ubuntu boots, programs dont work, then I restart and the Busybox thing comes again)One More Thing : The Ubuntu installed on the hard disk had all the recent updates (including the latest linux kernel) while the pen drive thing was around 2 months old I think. So maybe that's the cause?

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Ubuntu Installation :: Mount Of Root Filesystem Failed: Jaunty To Karmic

Nov 21, 2010

I decided to try to do the 3 distro upgrade stretch from 8.04 to 10.04 this weekend and now I am hung on 9.04 to 9.10.. The upgrade went swimmingly, but I hit a wall upon boot. When I try to load kernel 2.6.31-22 I am greeted with the following error:


[ 20.879845] ACPI: I/O resource vt596_smbus [0x400-0$407] conflicts with ACPI region SMOV [0x400-0x406]
Mount of root filesystem failed.

A maintenance shell will now be started ... After doing some digging I found this thread which appears to be similar in the inability to mount the filesystem. However, it does not mention the ACPI error. I tried everything in that thread; verifying device ID's, editing fstab options; running a filesystem check, and flipping the UTC option in the rcS file but nothing worked. The OP of that thread eventually did a fresh install of Karmic; but I would rather not have to go that far.

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Ubuntu Installation :: Mount: Mounting /dev On /root/dev Failed: No Such File Or Directory

Feb 21, 2011

since running update manager on my daughters net running 10.04 netbook on boot up I get the following on the screen

mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn�t have /sbin/init.


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Ubuntu Installation :: Mount: Mounting /dev On /root/dev Failed: No Such File Or Directory

May 14, 2011

Doesn't seem to matter which version, every time I try to install Software raid on an Ubuntu server system, it blows up with this error. Seems I've had trouble for several versions.


mount: mounting /dev/disk/by-uuid/f35415ee-4c14-4eb1-995f-f19fbcd760c7 on /root
failed: Invalid argument
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory


I've done it on Centos Fine, and followed the many different instructions I've seen for Ubuntu. The only luck I've had was with bios raid, but I would much rather let Mdadm handle things.

My build:

ubuntu-10.04.2-server-amd64 CD install
AMD 1055T 6Core
4GB ram
Asus M4A88TD-MUSB3


I install both as letting Ubuntu decide partitions for one drive, do the same for the other, and create a raid, and do them from scratch. No dice, same problem. I've tried that one as logical and as primary too. No difference. Something just doesn't like booting from a raid 1 Mirror. I've tried installing grub on both HDDs (sda1 + sdb1)I've tried several CDs, burned from several machines. Re-downloaded from Torrent and from the website. The DVD drives work since I purchased new DVD drives for both one workstation and the server. Things install fine under CentOS, software raid comes up.

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Debian Installation :: Mount Root Filesystem Failed: Device Or Resource Busy

Jun 16, 2010

I've upgraded my squeeze box to linux kernel 2.6.32-5. But it shows mounting "here is the uuid of / " on /root failed: Device or resource busy while booting.Here is the menuentry of linux kernel 2.6.32-5.


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Ubuntu Installation :: Unable To Mount Root

Mar 26, 2010

somehow got Ubuntu 9.10 set up dual boot on my Vista laptop. I installed it somehow off the live cd. Everything working fine and then I decided to update from the update manger to Ubuntu 10.04 (dummy me)!

Got half way through installation and system froze for more than an hour. Had to shut down computer. Now when I select to boot to Ubuntu, computer freezes with this message:

[ 1.068088] Kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(8,1)

Can anything, within reason, be done? Should I use windows to uninstall Ubuntu and then try to re-install? If so, can someone tell me how I might have setup dual boot off the live cd? Should I just flog myself?

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Ubuntu Installation :: Unable To Mount Root Fs ?

May 11, 2011

Was using 10.04 and decided to upgrade to 10.10 with a view to upgrading to 11.04. No dice.

That was a few days ago so forget about that bit, no traces of 10.04 left now...

Downloaded the LiveCD version of 11.04 (twice, in case it was a faulty image) and install.

Every time I boot I get the "unable to mount root fs on unknown block (0,0)" error - no matter what I do.

I've tried reinstalling the system totally from the CD a number of times...

Tried purging and reinstalling Grub2...

Tried messing about with the grub bootloader settings...

And much more besides!

The system will boot perfectly off the LiveCD, which indicates to me that the 'system' is compatible with the computer?

I've done most of the things that a simple Google search on these forums suggests, with reinstalls in between but still can't get the PC to boot.

I have got and run the boot info script, although I'm in the middle of a complete reinstall AGAIN so will post the new version when it's done.

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Ubuntu :: "Unable To Mount Location, Failed To Retrieve Share List From Server" Update Caused?

Jul 4, 2011

I have had a Dlink 323 network file server for some time. After first getting it going, it has worked fine on both my Ubuntu computers and my Windows machines including a dual boot Ubuntu machine / Vista box. Recently, a problem has appeared that started at about the same time. The Ubuntu machines give me the "Unable to mount location, Failed to retrieve share list from server" error message. The Windows machines still work fine. This message can be caused by a number of problems. I suspect that this time was caused by a update. The linux machines are 11.04 and 10.10.

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Ubuntu Installation :: Unable To Mount Root FS On Unknown Block

Feb 1, 2010

Yesterday after new update I got Kernel panic - not syncing: VFS: Unable to mount root fs on unknown - block (8,2)

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Ubuntu Installation :: Unable To Mount Root Fs On Unknown-block (0,0)?

Aug 11, 2010

I have compiled a new kernel 2.6.35 and I can not boot because same error : kernel panic - Unable to mount root fs on unknown-block(0,0). i have motherboard ga-p55a-ud3r and controlleris sata .now i use channel in ACHI mode. when i change it in ide mode it boots but in low graphic mode. then i have compiled modules again with support ACHI_SATA mdoe in xconfig of kernel. but same error occur.

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Ubuntu Installation :: Kernel Panic - Not Syncing: Unable To Mount Root

Apr 29, 2010

Problems arose when I updated today, after not booting(updating) for a couple of days. Message originally said "Kernel panic - not syncing: UFS: Unable to mount root fs on unknown-block(8, 1)"

I get the options to boot too:

2.6.31-21-generic(recovery mode)
2.6.31-20-generic(recovery mode)


PS - I really don't want to sound like a jerk

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Ubuntu Installation :: Upgrade 9.10 To 10.4 - Kernel Panic - Unable To Mount Root

May 13, 2010

I had 9.10 installed on my IBM Lenovo Thinkpad, x301. I was performing updates as normal, and chose the Upgrade button to upgrade me to 10.04. Everything started fine, but upon reboot, no bueno, Kernel Panic!

The exact message was "Kernel Panic ubuntu - not synching VFS Unable to mount root fs".

I thought this was a grub issue. Since grub2 now is installed... But it was not. I think it ended up being a problem with some of my configuration files.

I have three kernels I tried:
1. 2.6.32-22
2. 2.6.31-21
3. 2.6.31-20

The first threw me into the kernel panic.
The second would hang on "init crypto disks"
The third would hang on "checking battery state"

I noticed (from reading another thread) that while these are loading up that you can click on alt-ctl-F1 thru F6 and get prompt. (I also had my home directory encrypted, thought that was part of the problem, but it wasnt).

Once I get passed the loging, I am able to poke around. I tried manually start Gnome via "sudo service gdm start", but it failed. Said it was missing a configuration file. Then I tried on "sudo dpkg-reconfigure gdm" and it would not work. Saying some configuration files are missing or broken. It also said something about dpkg --configure -a, I am assuming this configures everything...

So I tried "sudo dpkg --configure -a" And selected 'y' to every option. Which basically installs the package creators default settings, and viola! Works.

Just wanted to share that knowledge for the other stuck in the upgrade hell.

Normally I would just copy my files off and reinstall, but it was encrypted... Another headache. I guess good in case someone stole my laptop.

Remember try to "sudo dpkg --config -a"

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Debian Installation :: New Kernel - Unable To Mount Root FS On Unknown Block

Jul 30, 2011

I used make-kpkg to generate bzImage from 2.6.39-3-686. After update-grub and booting the new vmlinuz system. I get:

"kernel panic - not syncing:
VFS: unable to mount root fs on unknown block(0,0)".
grub.cfg shows new entry
'linux/boot/vmlinuz- root=/dev/sda1 ro quiet'
but previous working shows
'linux/boot/vmlinuz-2.6.32-5-686 root=UUID=210a363d-c0ed-4005-b6e8-bbc
aeb7abe54 ro quiet'

Am I missing a step? (or two?). Is it possible to do this from 2.6.32? Currently running Debian-, Squeeze, /release/current/ 20110626-15:45 on a SATA 1T hd.

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Ubuntu Networking :: Unable To Mount Location / Failed To Mount Windows Share

Jul 26, 2010

I have a Dell Inspiron 1720 running Ubuntu v10.04 with a wireless card.My desktop is a Dell Optiflex running WinXP.The desktop is connected via ethernet cable to a Linksys wireless router. Certain folders on the desktop are set for sharing. Up until early last week I was able to access the desktop folders from the laptop with no issues.Suddenly I am now getting this error "Unable to mount location Failed to mount Windows share" whenever I try to access the desktop folders from the laptop.I suspect an upgrade is the culprit, but not sure.

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Ubuntu Installation :: VMware Player - Kernel Panic - Not Syncing - VFS - Unable To Mount Root

May 5, 2010

I recently started to use Ubuntu in VWware player on my windows-XP. I installed ubuntu 10.04 few days ago, It was working fine.

Yesterday, I compile a new kernel, kernel 2.6.33 in my vmware ubuntu 10.04. Everything went well till I did reboot. before reboot I use the command "update-grub" to make it compatible to the new kernel. BUT... after rebooting, I have a problem in loading a grub correctly. it gives me following message " [2.149136 ]kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(0,0)" and I can not proceed further. I have my all data on it. I also tried to boot it from live CD but unfortunately, I can't mount the hard disk on it in order to get those data from my old Ubuntu set up.

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Ubuntu Installation :: Kernal Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block(0,0)

May 16, 2010


Ubuntu 10.04 Lucid; clean install; 32bit

When booting, I can choose 2 from 2 options (ignoring recovery mode):

- Ubuntu, with Linux 2.6.32-22-generic
- Ubuntu, with Linux 2.6.32-21-generic

(and then Windows Vista and Ubuntu 9.10 a couple of times) The newer version appeared with an update from Ubuntu a couple of days after installation. When booting from the first I get the following message:


Kernal panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) When booting from the second, Ubuntu loads without a problem.

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Ubuntu Installation :: Can Recover Data After 'kernel Panic Not Syncing Vfs Unable To Mount Root Fs'

Aug 5, 2011

I need to recover some data of the 'home' directory after kernel panic.I was upgrading ubuntu 11.04, [COLOR=blue !important][COLOR=blue !important]installed[/COLOR][/COLOR] on usb.Failed to upgrade because the main partition had no more space. I moved one directory of about 100Mb to other partition, but it seemed that in the main partition didn't appear those 100Mb free. i restarted the computer expecting those 100Mb free. And kernel panic.

[ 0.789567] Kernel panic - not syncing: VFS: Unable to mount root fs on unknow-block(8,1)
[ 0.789646] Pid: 1, comm: swapper Not tainted 2.6.35-22-generic #33-Ubuntu
[ 0.789716] [<c05c6468>] ? printk+0x2d/0x35

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Ubuntu :: Unable To Mount Internal Drive - Error: Mount Exited With Exit Code 1: Helper Failed

Aug 5, 2010

I have 2 internal drives. One is for the OS and one is for the Data. I tried to get the Data drive to mount automatically at login using some crap I found on a linux blog. Safe to say it didn't work and now I can't mount it with the OS on the OS Drive.

It mounts from a live CD and all the data is perfectly safe. When I try to mount the drive I get this error message: "Error mounting: mount exited with exit code 1: helper failed with: mount: only root can mount /dev/sdb1 on /media/data" What have I done wrong and how can I make it mount again? Preferably this time at login.

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Ubuntu Networking :: Samba And External Drive - Unable To Mount Location - Failed To Mount Windows Share - Dialog Box

May 25, 2010

I have been trying to share folders from my main PC which is running Ubuntu 10.04. I have been able to figure out Samba enough to get my a couple of folders shared, but I have been unable to share any folders which are on my external harddrive. After entering the path in my smb.conf file they appear on the network but I am unable to navigate to them. When trying to navigate to them through the network folder on the pc they are actually connected to I get an "Unable to mount location: Failed to mount windows share" dialog box. On the windows pc I am trying to share with I get, "Windows cannot acces \Josh-Desktop
ame of folder"

My smb.conf file looks like this:

That folders I cannot access are Music and Videos.

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Networking :: Unable To Mount Location: Failed To Mount Windows Share

Mar 21, 2010

i'm trying to connect to the three other machines in my house but am having quite a hard time doing so. i've never had a problem in the past with ubuntu, but, with 9.1 and windows 7, things have gotten a bit harder. i'm running 9.1 and my roommates are running windows 7. i've installed, set up and configured samba and i can see the computers on my network, but any time i try to access either of the drives, it says unable to mount location: failed to mount windows share.

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Fedora Installation :: Kernal Panic - Not Synching - VFS - Unable To Mount Root Fs On Unknown Block - 0,0

Aug 14, 2009

I've got the following system:


I've been having problems with the system ever since I replaced the motherboard. Moving slow and just generally acting 'wonky.' Well the other day I reached my frustration limit and wiped the HDD. Up to this point the HDD had been in 2 partitions, one for the DELL diagnostics and one for the OS, XP Pro.

I decided that I wanted to set up the system in a dual-boot during the rebuild so I created a two partitions using the Windows install. Partition one is the DELL Diagnostic partition, partition 2 is the XP Pro partition and partition 3 is to be the Linux partition. All seemed to go well with the Windows install. I got the OS up and running and got all the updates done and drivers installed.

I only have the one HDD in the system so I was going to have to make this dual-boot off of one HDD.

I had previously, within the past week or two, downloaded the .iso and created the disk for FC11.

I went through the install process and successfully installed Linux on the 3rd partition, or so I thought. When I attempted to boot into Linux I got the Kernal Panic error.

My grub file as it exists now is:


If I leave the file as is, I get the kernal panic error but the splash image works fine. If I try to change the 'splash image' and 'root' references from '(hd0,2),' then neither works.

I can boot into Windows XP from the setup as it is now.

I if I boot using my LoaS (FC 11 made at the same time as the images for the cds were downloaded) I can see the hdd and multiple partitions. There seems to be a 'boot' partion, the Linux OS partition, a swap partion, as well as the Dell and XP partions. Now I've tried changing the references in the grub file to reflect the different partitions, basically I've tried 2, 3, 4 and 5, everything but 0 (the dell diagnostics) and 1 (the XP Pro).

I've also re-wiped the HDD and started the whole process over from scratch, thinking maybe I'd hosed something up the first time, but being a firm believer in 'Always do what you've always done and you'll always get what you've always gotten,' and that one of the definitions of insanity it keep performing the same actions over and over and expect different results, I seem to be at impasse here.

Results from 'sfdisk -l'


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Fedora Installation :: FC13 - Kernel Panic - Not Syncing VFS Unable To Mount Root Fs On Unknown Block?

Oct 14, 2010

I am running FC13 on a fairly old PC (PIII 500MHz, 384MB RAM, 10GB SCSI disk). It works fine using kernel After a series of recent updates the system now also has a new kernel

/boot/conf/grub.conf contains:
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)

When I try and boot to the newer kernel I get an error like:

Kernel panic - not syncing VFS Unable to mount root fs on unknown block(0,0)

I read on the forum about a similar problem where the fix was to insert the line

initrd /initramfs-

but this file doesn't exist and so the boot then hangs with no messages, so I took this line out again. Here is contents of /boot:

$ ls -l
total 21148
-rw-r--r--. 1 root root 111391 May 27 04:06 config-
-rw-r--r--. 1 root root 112291 Sep 15 04:32 config-
drwxr-xr-x. 3 root root 1024 Jan 23 2010 efi

As you may deduce from the above I haven't used the system much so the auto-update hasn't run for several months.

Any help on running / installing the newer kernel appreciated. Note that I am trying to install a wireless LAN card and am following instructions here: url

I got as far as

cd /lib/modules/`uname -r`
ls -l

which gave:

[root@localhost]# ls -l
total 3300
lrwxrwxrwx. 1 root root 51 Jun 3 00:52 build -> ../../../usr/src/kernels/
drwxr-xr-x. 2 root root 4096 May 27 04:08 extra
drwxr-xr-x. 11 root root 4096 Jun 3 00:52 kernel

so I have the src files for the newer kernel not the one I am running. I thought it best to stop and think (and ask for help!) rather than break a working machine (but with no wireless LAN!)

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Ubuntu :: Failed To Mount Root Filesystem?

Feb 15, 2010

I have a dual booting newly installed 64 bit Ubuntu 9.10 on my machine. It was all fine until today. Now when I boot into Ubuntu, I see the error Failed to mount root filesystem. I cant remember any significant changes during the last session. One thing I remember is I upgraded the system using the update manager which asked me to choose an option for grub boot loader. I opted for its upgradation. After the upgrade, I was able to work with Ubuntu for a few more sessions. Windows XP works very fine.I checked other threads which suggested running fsck, but it did not help. fsck does not report any errors.

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Ubuntu :: Mount Of Root File System Failed?

Feb 23, 2010

I have had this problem since yesterday, I've looked around at previous archives, but I can't seem to find anything that works. When I boot up, the screen gives me the following prompt:

Mount of root filesystem failed.
A maintenance shel will now be started.
CONTROL-D will terminate this shell and reboot the system.
Give root password for maintenance:


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Fedora Installation :: 12 And Nvidia GeForce 5950 - Kernel Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block(0,0)

Dec 5, 2009

I have a Compaq Presario 8000 with an Nvidia Geforce FX 5950 Ultra on which a year ago I upgraded from Fedora 6 to Fedora 9, and this broke the Nvidia driver, since Fedora 9 was shipped with an X server incompatible with Nvidia. I went back to the 2d driver to get X working, and it sat that way for the past year. But recently I wanted to do some 3D work and decided to install Fedora 12, which hopefully has an X server that works with Nvidia.

I decided to do a cold install, re-partitioning my 80G hard drive at the same time. I backed up my data, ran the install CDs with no errors, and booted the system, with an immediate kernel panic: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Doing a Google search, I found over 8,000 hits for that message combined with the keyword Fedora. Several of the hits were on Bugzilla: [URL] I then booted the install disk, chose rescue mode and did - chroot /mnt/sysimage


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General :: Redhat 5.3 Mount Failed Without Root?

May 16, 2011

In Redhat 4.x, we can use 'smbmount' to mount another linux samba server with 'user1'. But now we used redhat 5.3(64bit), there is no smbmount and I can only user mount command via root.

How can I mount a folder via 'user1', not root?

(BTW, I can run '#mount hostname:/sharename /mnt/u1, but the access right of /mnt/u1 is only for root.)

$ls -la
drwxrwxr-x root:root 4096 May 18 2010 u1

I wish it is "user1:user1"
drwxrwxr-x user1:user1 4096 May 18 2010 u1

I also edit /etc/fstab and add the following in. hostname:/sharename /mnt/u1 noauto,user1 0 0

mount: only root can mount xxx on xxx. It still doesn't work.

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Red Hat :: Unable To Boot RHEL 5.2 And Unable To Mount Root File System In Rescue Mode

Jan 28, 2010

Environment: A 32-bit kernel RHEL5.3 system running on a virtual machine. The root(/) filesystem is on an LV.

Issue: Unable to resize the FS after extending the root LV since it is mounted. After extending the LV, online resizing of the FS was not supported and the root filesystem could not be unmounted while it was in use. On rebooting, I got a kernel panic error. In runlevel 1, I couldn't run chroot, couldn't find the /etc/fstab, root FS could not be mounted, fsck did not run (tried block 31 for second copy of superblock using dd count=1 bs=4k skip=31 seek=1 if=/dev/sda2 of=/dev/sda2), couldn't find any rpm on installation media to install unix-utils rpm. On running commands in runlevel 1,

I got the following output.

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Ubuntu Networking :: Sharing Windows 7 Drives - Unable To Mount Location - Failed To Mount Windows Share Error Message

Sep 5, 2010

I have recently set up an ubuntu installation on an old PC. After some fiddling with both it, and the windows 7 machine, I have managed to share all of my drives. However, when attempting to access them from ubuntu, only 2 of the 4 hard disk shares will mount, with the other 2 failing with a Unable to mount location, failed to mount windows share error message.

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