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Old 08-29-2006, 02:03 PM   #1
Registered: Nov 2005
Location: Brazil, Po - So Paulo
Distribution: Debian Etch
Posts: 110

Rep: Reputation: 15
"kernel panic" on sata hard disk

Hello All!

I have a Red Hat running on an IDE hard disk. I needed to put it
to work on a Serial Ata so I decided to do a full copy of it using the dd utility, something like this:

dd if=/dev/hda of=/dev/sda

The copy was done successfully, but When I tried to boot the new
system with Serial Ata I got this message:

Creating block devices
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

Since I've done the copy I didnt do any changes, should I modify something??

Thank You!!!

Old 08-29-2006, 03:06 PM   #2
LQ Newbie
Registered: Aug 2006
Location: Montreal
Distribution: fedora
Posts: 19

Rep: Reputation: 0
first make sure you got the label right on your sata. second you motherboard might confuse you linux (I had the same problem). Simply put the drive order might not be the same for linux hence linux is looking on the wrong drive. Third a site that I found usefull to solve my problem
Old 08-30-2006, 12:42 PM   #3
Registered: Nov 2005
Location: Brazil, Po - So Paulo
Distribution: Debian Etch
Posts: 110

Original Poster
Rep: Reputation: 15
Hey dunkert, thank you!!!

I'm going to do the copy again, the site you've suggested
seems to be very good (it's what I was looking for), if
I can make it work I tell you

Thank You again!!

Old 08-30-2006, 01:40 PM   #4
Senior Member
Registered: Mar 2003
Location: Nova Scotia, Canada
Distribution: Debian AMD64
Posts: 3,594

Rep: Reputation: 97
You do not want to use the dd to do the copying unless the disks are identical you should get a Knoppix boot CD boot with it and setup your partitions, format them then copy over the files.

Edit: I would add if you need instructions on doing this search on my posts I described the process in detail a few weeks ago.

Last edited by HappyTux; 08-30-2006 at 01:43 PM.


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