Ubuntu Installation :: Kernel - Error "PHP Code: Mount: /dev/sdb Already Mounted Or /mnt/os Busy"
Feb 14, 2010
I was careless and deleted the Kernel using synaptic package manager. I was trying to delete the older entries but did not realize that I also selected the current one. Thus, I do not get an option to boot to Karmic at GRUB. It only shows the memtest entry and Windows XP. So I booted using the Ubuntu 9.10 LiveCD and tried the following:
1. sudo su
2. mkdir /mnt/os
3. mount /dev/sdb /mnt/os
At this point, I keep getting the following error: PHP Code: mount: /dev/sdb already mounted or /mnt/os busy I tried rebooting, making a different directory to mount my sdb to but it keeps repeating the same message again and again.
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Feb 13, 2010
Just moved to Ubuntu from XP. Whole process has gone very smoothly, but left with a small problem (i.e. it isn't actually affecting usability) that I don't seem to be able to fix and can't find on forums/internet. I also have a problem with the Floppy drive, but I've seen that problem elsewhere in the forums.
It's a dual boot system with both NTFS and Ext4 drives. All are visible and fully accessible. I decided to convert one of the NTFS drive to Ext4. That appeared to be successful and was successfully remounted as an Ext4 drive. The drive label is "Data". I did have a bit of a problem getting it remounted so that I could see/use it under my log-in as opposed to just under root. It's at this point I think that I did something to create the problem.
I now have two entries for "Data" in drop down menu for Places. The true one is shown as a standard hard drive icon, but the false one is shown as a different icon - possibly an external drive icon (note that the floppy drive is also showing as the same icon and I can't access that, but I've seen that's a problem elsewhere in the forums).
I can write and read to the true "Data" hard drive. If I click on the other false "Data" icon, I get the message "mount: /dev/sdd1 already mounted or /media/Data busy mount: according to mtab, /dev/sdd1 is already mounted on /media/Data". If unmount the true drive and try to mount the false drive, the system mounts the true drive instead. If I log into nautilus as root, neither the false data drive or the floppy appear in the left hand panel.
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Jul 14, 2010
A few months ago I have setup a server with three hard disks. The partition mapping the disks as follows:
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x7ca36fee
[code]....
Now I have the following problem the LVM file system don't mount properly.If I open the mount point I see only a few files of the LVM disk. If I want to unmount the disk I get the following error:
umount /data/
umount: /data/: not mounted
If I want to mount the volume I get the following error:
mount -a
mount: /dev/mapper/gegevens-Data already mounted or /data busy
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Dec 4, 2010
Lately my second HDD won't mount anymore. It always states that it is Busy. And wel I need the data on it so formatting isn't an option.
Code:
root@usr-desktop:/home/usr# sudo mount /dev/sda /media/Algemeen -o force
mount: /dev/sda already mounted or /media/Algemeen busy
SOLVED: Thread can be marked solved, Motherboard failure / Cable Replacement.
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Feb 10, 2011
I have a little problem with my RHEL5.5 IA64. I mounted a Windows directory with 'mount -t cifs'. After a little while someone else mounted the same windows directory in the same mountpoint. The output from 'mount -v' shows me that the same directory is mounted twice in the same mountpoints. I cannot unmount it, not even with the force option. The error is "Device or resource busy". There are no open files in the shared directory and no one using the directory or subdirectories.
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Dec 1, 2010
Code:
Unpacking replacement linux-image-2.6.35-23-generic ...
dpkg-deb (subprocess): data: internal bzip2 read error: 'DATA_ERROR'
dpkg-deb: subprocess <decompress> returned error exit status 2
dpkg: error processing /var/cache/apt/archives/linux-image-2.6.35-23-generic_2.6.35-23.41_i386.deb (--unpack):
[Code].....
both update software and synaptic gave the same error? how do i install this package?
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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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Aug 24, 2010
First of all: it's been more than 12 years ago since I worked with Linux, and a lot has changed in the meantime. But I considered it a challenge to install Ubuntu 9.10 and lateron upgraded to 10.04 LTS without any troubles, until now:
Except my main partition ("/") all other partitions fail to mount. All NTFS partitions from my other OS and also 2 other linux ext4 partitions I've made are not accessible anymore. and, what bothers me the most: I deleted those 2 new linux partitions in the meantime because I couldn't access them initially because Root was the owner (Duh! root is standard disabled in Ubuntu, right?). After an attempt to try to automount all partitions following the help guides I got now big grey errors on my splashscreen while booting, telling that an error occured with e.g. /media/Backup because it is missing or it cannot be mounted, with 3 options below: waiting, skipping or using a command prompt to solve this. I always choose Skip for safety.
Now if I want to see the content of all my other partitions I got a popup telling me unable to mount e.g. /media/Downloads and the message included:
[Code]....
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Mar 2, 2010
Recently I was trying out a boot disk I had made, and basically, I switched it off several times due to it booting the completely wrong kernel. Now, I'm getting to the stage "Checking File systems" and then comes up [Failed]. I then get a message saying Reboot required, and that it will reboot in 15 seconds, just a few seconds before it reboots I get "/dev/shm not mounted, /dev busy" or something similar.
I've booted up my sysresccd, ran "fsck.ext4 -fcv /dev/sda2" to force a check and scan for any bad blocks, it came up clean, then I rebooted and got the same error, so I copied the kernel and system.map over to /boot to make sure there's no corruption and reinstalled initscripts and util-linux-ng, rebooted, same error.Tried different kernels, I've checked fstab and menu.lst, no problems there, so I still don't get why I still get the same problem.
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Feb 2, 2011
How do I find out "why" the mounted virtual drive is busy? All windowed programs are closed out. I assume a background program is using the resource? All was fine until about a week ago.
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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.
[code]....
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Apr 29, 2010
i'm installing a Linux system just simply following guide by fellow friends comunity. Currently, my box are having 2 HDD with 35GB each capacity. Displaying in GNome (36.2 GB Encrypted Data). During installation, I'd selected :
*Remove Linux partitions on selected drives and create default layout
*The "Encrypt system" option
View from terminal :
# /sbin/fdisk -l
Disk /dev/sda: 36.4 GB, 36401315840 bytes
255 heads, 63 sectors/track, 4425 cylinders
[code]....
In Gnome desktop, when I right click and select mount volume, it will display : "Unable to mount location. Internal error: No mount object for mounted volume"
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Feb 27, 2011
I've just made the switch from Ubuntu to Debian Squeeze and am having trouble connecting external media (be it a USB stick or an ext HD). The error I am getting when I connect anything via usb is the following:
Error mounting: mount exited with exit code 1: helper failed with: mount: wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error.
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Oct 23, 2010
I have been running a live version on a 8 gig stick. Played nice for a couple of months but now when I try to access the native ntfs file system, I get the following error message.... Error mounting: mount exited with exit code 21: mount: according to mtab, /dev/sda6 is already mounted on /media/c
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Mar 26, 2011
My computer has been acting quite strange lately. It's been taking longer to boot, and my sound doesn't play anymore (Only a high pitched sound is heard, and no hardware for sound is detected). Just recently, my Windows 7 Partition returned the error of Disk Error Occured. Press CTRL+ALT+DEL to restart.
Any way I can fix my whole issue, I think my desktop is starting to die on me :O (And its only about 7 months old T_T)
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Mar 29, 2011
my windows xp system has recently been messed up, everytime i boot, i see the windows logo and then it reboots so i decided to liveboot ubuntu in order to recover the important files on my hard drive and then reboot. Problem is when i try to click on my "500GB Filesystem" I get this message.Unable to mount 500GB FilesystemError mounting: mount exited with code 13:ntfs_attr_pread_i:ntfs_pread failed:/input/output error Failed to read NTFS $Bitmap:Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk/f on Windows then reboot into Windows twice.The usage of the /f parameter is very important! If the device is SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/directory(e.g./dev/mapper/nividia_eahaabcc1). Please see the 'dmraid' documentationfor more details
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Jul 19, 2011
So I cant seem to be able to install fedora 15. I think it is the disk. I have windows 7 already installed (and would like to keep it) It was installed on the end of the hard drive leaving a 100 GB chunk in the center of the drive open and unformatted (this may be the problem). Anyway I used the live cd and tried to format the unformatted partition to exf but it gives me this error
Code:
Error creating partition: helper exited with exit code 1: In part_add_partition: device_file=/dev/sda, start=105906176, size=104752742400, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
Entering MS-DOS parser (offset=0, size=500107862016)
MSDOS_MAGIC found
found partition type 0xee => protective MBR for GPT
Exiting MS-DOS parser
Entering EFI GPT parser
GPT magic found
partition_entry_lba=2
num_entries=128
size_of_entry=128
Leaving EFI GPT parser
EFI GPT partition table detected
containing partition table scheme = 3
got it
got disk
new partition
added partition start=105905664 size=512
committed to disk
Error doing BLKPG ioctl with BLKPG_ADD_PARTITION for partition 2 of size 105905664 at offset 512 on /dev/sda: Device or resource busy
Do I have to reinstall windows for this to work or is there something I can try to do.
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Mar 31, 2010
Accidentally the usb plug on my WD "My Book" got halfway unplugged and I didn't notice it. when I rebooted it, it wouldn't read the drive. I tried using G Parted to repair it but no success, it just runs forever accessing the drive and never finishes. (I left it running an entire weekend and it didn't finish) the drive is formated ext3.
When I try to mount the drive in Ubuntu 9.10 it gives this error message:
Strangely if I boot into Windows and use the ext driver I can access the drive just fine. is this something I can fix? if needed I can use Windows to do any repairs.
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Oct 30, 2010
I have upgraded from 10.4 to 10.10, and when I restart I get the error "kernel panic - not syncing: VFS: unable to mount root fs on unknown block".I've done some googling and found this is a pretty common problem, but no existing solutions have worked for me.Right now I am using the 10.4 live CD.
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Jun 1, 2010
I slipped on my expansion drive cable and it disconnected quickly, when I reconnected I got this error: Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 0). Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.
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Oct 12, 2010
I started installing the beta of Maverick a few days ago, but the update server was running inordinately slow, so I canceled it. Several times, I have attempted to continue the installation, but I've been unable to reach the server. Shortly after this happened, I could no longer boot normally--I get the error:
Code: Kernel Panic - not syncing:VFS:Unable to mount root fs on unknown-block(0,0) Choosing the previous kernel fixes the problem.
So, I obviously want to upgrade to the release version now. When I open the update manager, I get asked if I want to do a partial upgrade to complete the install. I'm a bit leery of doing this since I only have one previous kernel to go back to (my list got really long and I have another operating system entry underneath, so I set my automagic boot manager to only keep two), and if I can no longer boot after the upgrade, I'll have to use Windows until it gets fixed... So, should I finish the upgrade, try to troubleshoot the error, or do something else to jump right to the latest release, after being partway through the upgrade?
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Feb 12, 2011
I get the following message when trying to access my 1tb usb drive "Error mounting: mount exited with exit code 1: helper failed with: Error opening '/dev/sdr1': Permission denied Failed to mount '/dev/sdr1': Permission denied Please check '/dev/sdr1' and the ntfs-3g binary permissions, and the mounting user ID.More explanation is provided at [URL].. Really wierd thing is Linux Mint Debian reads it just fine
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Oct 4, 2010
I am trying to install debian on my windows PC but am receiving some errors with it. I have downloaded "debian-506-amd64-DVD-1.iso" from debian website and am seeing that the md5 sum is correct. I am getting following error when I choose Graphical Install or install.
[ 1.480788] crc error
[ 1.569788] kernel panic -not syncing:VFS: Unable to mount root fs on unknown block(253, 52)
Description of my PC: I have 2 hard disks
1. IDE hard disk (80 GB) -> windows is on this drive
2. SATA hard disk(250GB) -> I intend to install debian on this drive.
3. MSI motherboard & AMD 64 processor with 1 GB RAM.
4. NVidia external graphics card based on AGP slot(256 MB)
EDIT:: This time I got one more error message prior to the 2 shown above [some number] PCI:Cannot allocate resource region 0 of device 0000:00:00.0
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Mar 20, 2011
I am a beginner in ubuntu and only recently did i install Ubuntu 10.10 using Wubi. I am dual booting along with Windows 7 64bit. Before I got to know of Wubi, I created a free 20GB partition for installing linux. But since it was of no use, I decided to extend another partition adding this 20GB space. The problem now is that I am getting the following error while trying to access the partition.
"Error mounting: mount exited with exit code 12: Failed to read last sector (605949951): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
or it was not setup correctly (e.g. by not using mdadm --build ...),
or a wrong device is tried to be mounted,
or the partition table is corrupt (partition is smaller than NTFS),
or the NTFS boot sector is corrupt (NTFS size is not valid).
Failed to mount '/dev/sda5': Invalid argument
The device '/dev/sda5' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?"
These are the results after running sudo fdisk -l /dev/sda:
"Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x76c4009c
Device Boot Start End Blocks Id System
/dev/sda1 1 1 992+ 42 SFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 * 1 13 102400 42 SFS
Partition 2 does not end on cylinder boundary.
/dev/sda3 13 6528 52326400 42 SFS
Partition 3 does not end on cylinder boundary.
/dev/sda4 6528 42717 290694144 42 SFS
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Sep 8, 2011
After upgrading to fedora 15, I have problems mounting XFS filesystem.
The short tale:
Code:
08:01:38 localhost root>mount -t xfs -vv /dev/sdb1 /data/disks/old
mount: /dev/sdb1 already mounted or /data/disks/old busy
08:01:39 localhost root>fuser /data/disks/old
08:01:41 localhost root>lsof /data/disks/old
08:01:44 localhost root>xfs_repair -t 1 /dev/sdb1
xfs_repair: cannot open /dev/sdb1: Device or resource busy
08:01:48 localhost root>fuser -mu /dev/sdb1
08:02:08 localhost root>dmesg | tail -n 5
[1655779.759764] SGI XFS Quota Management subsystem
[1659275.905756] SGI XFS with ACLs, security attributes, large block/inode numbers, no debug enabled
[1659275.908745] SGI XFS Quota Management subsystem
[1659389.154986] SGI XFS with ACLs, security attributes, large block/inode numbers, no debug enabled
[1659389.156519] SGI XFS Quota Management subsystem
Device is not mounted, and directory is not in use, it has just been created. There is nothing in log files that could remotely point the cause. After removing device (echo 1 > /sys/block/sdb/device/delete) and reattaching it, disk started working.
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Apr 29, 2010
We have a homegrown process that runs on a windows box and produces a csv file. We mount the directory these are output to using autofs/cifs and then process them using a program on our linux database servers.
Is there a way from linux, looking at the cifs share, to tell if the target file is currently in use by a process on the windows box? We are having issues where an incomplete file is being processed occasionally.
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Jun 6, 2010
It seems I cannot mount and unmount a USB Drive, it gives me the following error:
Error mounting: mount exited with exit code 1: helper failed with: mount: only root can mount /dev/sdb1 on /media/DAVE-1
I have changed FSTAB, and now it looks like this:
proc/procprocdefaults00
sysfs/syssysfsnoauto00
usbfs /proc/bus/usb usbfs auto,user 00
devpts/dev/ptsdevptsmode=0620,gid=500
code....
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Jan 4, 2010
Over the past few days I have been trying to install an older kernel (kernel 2.6.28.1) on ubuntu 9.10 64-bit WUBI installation. I compiled, installed, and updated my grub for the kernel. When I reboot, the grub menu correctly gives me the option of booting into the older kernel but when I do so I receive the following error message:
error: you need to load the linux kernel first.
I am at a complete loss on how to fix this. I even downgraded grub but I still get the same error.
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Jul 3, 2011
It sounds like he's making a difference between the kernel "source code" and the kernel itself(as in the downloaded file/ files) but the way he talks about both is the same.So then, if one had already "installed" the "kernel sources code," why would he need the "tarball with the newest Linux kernel?" He's already "installed" a kernel, right?
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Mar 19, 2010
I'm tried to install bandwidthd on Ubuntu 9.10 and keep getting the following error.I have been looking around for a while and have been unsuccessful in finding a answer.
HTML Code:
$sudo apt-get install bandwidthd
Reading package lists... Done
[code]....
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