Ubuntu :: Cannot Mount Root Partition
Jan 13, 2010
When I try to boot I get this error message:
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the systemwait long enough?)
- Check root= (did the system wait for the right device?)
-Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/disk/by-uuid/c946b41f-2f8f-4a28-8478-11a50d6fc0e8 does not exist. Dropping to a shell!
Booting from my 9.10beta livecd sudo fdisk -lu shows my root partition (sda5) but blkid doesn't, and there's no way to mount it.
I know similar questions have been posted before but they all involve using fsck or e2fsck, which don't work with my ext4 filesystem.
FYI Acer Aspire 7535G Kubuntu 9.10 AMD64
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Jan 27, 2010
I want to mount my FAT32 partition automatically on startup. It gets mounted but the problem is that all the files in the FAT32 partition are shown as owned by root. Because of that I can't paste files or write to this partition. This is my fstab file
Code:
# /etc/fstab: static file system information.
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sda5 during installation
[Code]....
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Apr 28, 2016
I made a mistake in Gnome Disk utility tool. Instead of changing the options for a USB key, I changed the options of the root partition.
In Initial state, automatic options were desactivated. I just activated them. And after desactivacting them, I realized my mistake and switched back to "non automatic options".
By doing this, I suppose that defaults values were used since now, the system starts in command line mode and no more in graphic interface mode.
When I try the "startx" command, I get a "read-only" error.
With the command "sudo mount -o rw,remount /" the graphic interface is started.
Below is the configuration of the partition under the gnome disk utility tool :
"Mount at startup" is checked
"Show in user inteface" and "Require additional authorization to mount" are unchecked
Mount options : nosuid,nodev,nofail,x-gvfs-show
Mount point : /mnt/eb11d4d6-75db-XXXx-XXXx
Identify as : /dev/disk/by-uuid/eb11d4d6-75db-XXXx-XXXx
Filesystem type : auto
I do not want to change anything that could leat to a critical error. So what do you think I should do ?
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Apr 25, 2010
When I click on my Vista partition under "Places" in the Fedora menus, I'm asked to enter the root password for mounting the partition. Is there a way to allow any user to mount this particular partition, to avoid the unnecessary input? The partition is not listed in /etc/fstab (fedora 12 for x86_64).
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Apr 14, 2010
Code...
whats wrong with it? 'man mount' says that any can mount partition if it contains option 'user' or 'users' in /etc/fstab ?
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Apr 20, 2009
Ever since I started using KDE as in 4.2, I have been doing this regularly. When I startup KDE, I open Dolphin and click and mount each partition with root pass. I thought it might be some KDE issue as is the ever developing code and will be fine in future updates. But now I'm in 4.2.1 and it still exists. Upon inquiring fellow users on other distros, I have come to believe this is a *Fedora only* issue now. [URL].
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Apr 10, 2010
When I installed OpenSuse 11.2 it mounted I configured to mount all of my windows/NTFS partition. However, one problem is that only root can write to it. I was trying to change it to '777' permission. However, as root I can't change permission. chmod doesn't work and neither does using nautilus (as root) work.I even tried unmounting it and then doing a chmod. That didn't work either.
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Apr 27, 2011
I used the ntfs-config utility to mount my windows drives automatically at startup. While doing so, I had my USB-HDD still attached, and after making changes and rebooting, it did something unknown I didn't expect and I cannot mount my USB-HDD again, and it gives me the following error message:
Error mounting: mount exited with exit code 1: helper failed with:
mount: only root can mount /dev/sdb1 on /media/MyUSBDrive
I did manage to open it somehow, but then all the data was erased apart from ~3 GiB [edit: it's got some kind of extra drive built-in which is mounted as a CD-ROM drive, and when I open that one first all the files are missing in the actual drive, otherwise I get the message above]. I don't know what information I should include here, but my fstab looks like this:
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
[code]....
This line in terminal:
sudo mount -t ntfs-3g /dev/sdb1 /media/sdb1
Gives:
fuse: failed to access mountpoint /media/sdb1: No such file or directory
What should I do to recover my files and fix the mount error? [edit: at the very least, how do I backup my files onto my internal HDD so I can format it and recover it in this manner]
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Jun 24, 2010
what now trying to mount partition get this error this is the partition ubuntu 9.10 is installed on and upon reboot error no device with a long string. mount: can't find /dev/sda6/mnt in /etc/fstab or /etc/mtab
so now that I believe I've successfully mounted the partition how do I direct the bootloader to this partition /dev/sda6 on /media/11076e45-e27d-470b-bb6d-6894f7809a0c type ext4 (rw,nosuid,nodev,uhelper=devkit)
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Jan 2, 2010
I've just bought a HP mini compaq laptop. The laptop doesn't have any CD/DVD "reader". So i was forced to download the .iso file to install ubuntu in addition to Windows XP that was present when i bought it. To do so i used UNetbootin, and i used my only hard disk as a live CD. But when i wanted to install ubuntu, they told me to create a partition. The problem is that i can't. I have only one partition sda1(nfst) which covers the whole stockage memory, and an empty space(8Mo). I can't acceed to any of the resizing or modifying options to edit the nfst partition. The only options are manage flags and umount. When i click on this one, they tell me : # umount /cdrom : cdrom is busy.
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Oct 12, 2010
Since I installed MS2 I messed up grub. Finally I got 11.3 back to its old glory.
What would be the best procedure to create a backup image with all settings and permissions ...just in case ?
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Feb 7, 2010
I have finally been convinced to partition my 500GB hard drive from a two partition setup with root and swap to a three partition setup with root, swap, and home. I found a nice tutorial about how to do this, but here is my question:
A) How much space do I leave for the root partition and the home partition?
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Aug 31, 2010
when I tried to install Fedora on my pc, I got this error message " Defined Root partition not created a / boot/efi partition. I am trying to install it on a seperate hd. My main one has windows xp pro, but I do not want to interfer with that at all?.
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Jun 8, 2010
I initially installed SuSe11.2 with /tmp mounted on separate partition on another physical disk( there are two physical disks). Now I want to attach disk with existing SuSe11.2 to another motherboard so I would like that /tmp becomes part of the root partition. Will deleting /tmp mount point in /etc/fstab create automatically new /tmp from root at next startup, or something else has to be done to achieve, that in future, /tmp resides on root partition instead? In this way it would be much easier to move the disk with SuSe11.2 to another motherboard.
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Aug 2, 2009
I am relatively new to Linux and Opensuse. I created the / root partition and now it is growing and maxing out. I have partitioner available to me but how do I change the partition size when the root partition is mounted. Do I login as root and then umount or modify fstab and restart and change from command line or do I format and reinstall everything? I have room to expand but not sure how to manage this?
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Apr 5, 2010
How do I mount a ISO without root? There's my account that's admin and two others that don't have passwords or root privileges. I really hope its possible without having to edit /etc/fstab because that didn't help me because it mounted all the ISOs and I don't want to have to edit fstab every time I make a new ISO. I got the ISO by running
Code:
dd if=/dev/cdrom of=abc.ISO
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May 22, 2010
I'm really tired of having to umount under root, then mount again as a user for my external hard disk. When I'm in firefox, I like to save pages alot onto my external but I constantly have to remount because my user has no write permissions for the drive. What can I do for my device in fstab so that it mounts automatically under my user and not root?
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Jun 24, 2010
I have read a few threads about samba and mounting, and cannot get it straight. Here is basically what I have done...
sudo mkdir /media/effjsands
sudo pico /etc/fstab
//10.1.121.36/sandsjh/media/effjsands cifs
credentials=/etc/samba/user,d_mode=777,f_mode=777 0 0
sudo pico /etc/rc.local
mount /media/effjsands
sudo pico /etc/samba/user
username=sandsjh
password=IamN0Tl33t34
I reboot and it does not mount. I can get Nautilus to open //10.1.121.36/sandsjh , so I know it is a valid path. When I go to terminal and run manually, I get:
sandsjh@LTL-IT-SANDS:/etc$ ./rc.local
mount: only root can mount //10.1.121.36/sandsjh on /media/effjsands
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Jan 7, 2010
My computer developed a new trick tonight. 4 times in the last 2 hours it's booted & ran fine...for about 30 minutes or so. Then some apps become unstable & crash, and some don't notice anything wrong. Firefox keeps running fine, but if I have a nautilus window open, the next time you click anywhere, it crashes. So, try to restart the machine & it comes back with the "kernel panic -not syncing vfs unable to mount root FS on unknown block" message. The first time I restarted it, I managed to get to a root terminal & fsck the drive. It found 2 errors that it fixed, supposedly. The next collection of restarts, it would just go through bios, then grub, then hang on the error.
So, power down the machine first & then boot it....magically, I'm back to the desktop again for another 30-45 minutes. Anyone have any idea what's going on? It's been fine since the day mint was released...and the only system change was plugging my 2nd monitor back in 3 days ago. Why would it go kukoo in the last 2 hours?The machine is a quad core intel with 4 gigs of ram, Asus mobo and a 250gig sata drive for the system drive.
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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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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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May 16, 2010
I'm trying to compile a "faster", more optimized kernel. It compiles ok, but can't mount the root filesystem.Here is my kernel configuration for the 2.6.33.4 kernel. My boot partition is ext4 on a two-disk FakeRAID array totaling 1TB.When trying to boot in recovery mode, it says I could mount /dev/sdaX, etc. but can't recognize my dmraid array. BTW,
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Mar 3, 2011
I can't mount my Ubuntu partition. I was using my PC when it suddenly crashed, so I rebooted. When Ubuntu started again, it said that it was mounting, but I rebooted again. So, now when I start it tries to mount the main partition but it can't. Then appears <initramfs> and I don't know what to do.
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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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Jun 23, 2011
I am trying to expand my Ubuntu partition into my Windows 7 C: drive, but the win7 partioner will not let me shrink it because of immovable files. Is there anyway for me to but an loopback device in the windows partion, and have Ubuntu boot with that as the root device?
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Jan 14, 2010
Recently installed some minor software, some games and Ubuntu Tweak, I am not sure if that's what caused this issue or not. I shutdown after the installations, then when I tried to start back up the small, white ubuntu logo appears just like it normally does, then it just goes to a black screen. I turned off the computer and restarted in (Recovery Mode). It goes about its thing then it says it is waiting for root file system, then after about 30 seconds it says "Gave up waiting for Root File System" how to fix this without reinstalling?
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Feb 2, 2010
I recently (a couple weeks ago) installed Ubuntu on my desktop computer dual booting with Win XP (which I am using right now). I used Wubi to install it, and everything went fine. I used Ubuntu without a problem up until a few days ago. I am using an install of Ubuntu (I am not running it off a disc, USB drive or through the Wubi software).
I restarted my computer after using Ubuntu constantly for the time I've had it installed. It booted into Win XP (because it was first on the list where you select which OS to load) so I restarted again and tried to boot into Ubuntu. Instead of working, it gave me the error "Kernel panic - not syncing: unable to mount root" or something like that. So, I restarted again, and it was the same thing. I restarted in recovery mode, and it was the same thing.
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Feb 18, 2010
I'm trying to talk the studio I work at into switching one of the departments to linux. (likely kubuntu). So I'm trialling it, but having issues mounting windows shares.It's working great; all except that only Root can write to the mount. I've tried a few different things with fstab, no go.Below is my fstab so far, and you can see the mountpoints.
Code:
# /etc/fstab: static file system information.
#
[code]....
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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:
Code:
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:
[Code]....
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Apr 6, 2010
I installed a update on a driver now i cant boot ubuntu. i select ubuntu,then ubuntu generic then i get this message. [ 1.772486] Kernel Panic -Not syncing :VFS: Unable to mount root FS on unknown Block (8,1)
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