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Old 11-14-2012, 12:56 AM   #1
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Registered: Nov 2012
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centos 6.3 booting issue/errors

hi i m pretty much new to linux.

os- centos 6.3

i updated the system, fine and restarted it.
it failed to start up.
then i did a fsck(on mounted filesystem, now i regret though)

now it shows the folowing errors ,

1. mount : you must specify the filesystem type.

2. kernel panic : not syncing , Attempted to Kill init
pid: 1, comm , init not tainted #(version number)


switching to text mode..

it hangs there. not when i specify rdshell as a parameter in kernel , from the grub loader , i drop into dracut shell. but commands like fsck etc , are not recognised there.

in /etc the file fstab is also missing. i tried creating it , similar to mstab, but of no use, it gets removed after the restart.

please help me out.
Old 11-14-2012, 01:26 AM   #2
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Have you tried booting it from CD/DVD and run fsck to the drive not being mounted. Plain fsck without using a switch and just go through it with 'yes'. It worked for me, though I don't make any guaranty to yours. Nevertheless the partitions is quite broken it's worth a try.

Old 11-14-2012, 01:54 AM   #3
John VV
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Registered: Aug 2005
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there was a recent update the had a bug on editing the menu.lis for a new kernel
can you use an old kernel
during the 3 sec countdown select the previous kernel to boot from
( hit enter then use the down arrow to highlight the previous kernel
hit enter to boot from that one )

read your /boot/grub/menu.lis file

compare the top boot line with with the one you are NOW booted into

is there a blank entry for " root = " then nothing ( there should be a uuid in that empty spot)

if so
copy the old root=????? to the new line

Last edited by John VV; 11-14-2012 at 01:55 AM.
Old 11-14-2012, 04:21 AM   #4
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same problem with the old kernels..


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