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Old 07-16-2004, 11:31 AM   #1
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Fedora Core 2 Kernel Panic

Hello, and thanks in advance for reading my thread, and hopefully posting a solution.

WARNING: I think I may have been a bit too verbose with this thread, so feel free to skim through, looking for only the important bits of information. Better to be safe than sorry, I suppose.

I recently downloaded the four Fedora Core 2 ISO files, and burned them to a CD-R using a Windows application called Nero. According to this application, all four of the ISO files were successfully burned to the CD-R in question.

I set my BIOS boot settings to boot from CD, then Floppy Disk, then Hard Drive, and then Network. I then inserted the CD-R which contains the first of the four Fedora Core 2 ISO files.

As installation started, it appeared that everything was functioning without error. I browsed through the various options which are accessed through the function keys, and after taking all choices into consideration, I decided to install this Linux distribution using the GUI-based installation system.

Next, the installation system attempted to automatically detect the various devices being used by my system. Judging from the output of this routine, all of my devices were detected without error.

However, after this was done, it was not long before I came across the following error. Once I reached this error, installation did not continue, and I have no clue what I should do next.

RAMDISK: Compressed Image Found At Block 0
CRC Error
VFS: Cannot Open Root Device "<NULL>" Or Unknown Block (72,3)
Please Append A Correct "ROOT=" Boot Option
Kernel Panic: VFS: Unable To Mount Root FS On Unknown-Block (72,3)
I searched through the existing threads on this message board, and read many different "solutions" to the above. Below I have listed all of which I have attempted.

Corrupt CD Image(s): I noticed in the mentioned error it reported a error involving CRC, which made me think that perhaps the file(s) I downloaded were not correct. I connected to a Fedora FTP site, and downloaded the file with the MD5 checksums. I did this with an application called DAMN Hash Calculator, which as far as I know is very accurate. I recieved the following output, which indicates that my ISO files are not corrupt, ruling out a bad file as far as I'm concerned.

c366d585853768283dac6cdcefcd3a2d FC2-i386-disc1.iso
fc3c926442cc85a469268651bd04c186 FC2-i386-disc2.iso
5ad870e696953f4bbd0a91936873890e FC2-i386-disc3.iso
c736f8048b12315b5c0b070de1d74867 FC2-i386-disc4.iso
22f4bfca5baefe89f0e04166e738639f FC2-i386-rescuecd.iso
Attempt Installation With A Different CD-ROM Drive: I can't try this because I only own one CD-ROM drive, and I can't buy and install another at the moment. I doubt this is the problem, because this drive has never given me a single problem in the two years of me owning it.

I think it would be a good idea for me to give specifications on the partition which I am attempting to mount the OS on, as this could be a source of the problem, though I am fairly sure that it is not.

Device Type: Hard Disk
Volume Name: D DRIVE
Serial Number: 40F6-F267
File System: FAT32
Total Bytes: 15,978,037,248
Bytes Used: 16,384
Bytes Free: 15,978,020,864

Compressed Partition: No
File Compression: No
Unicode File Names: Yes
Long File Names: Yes
Encryption Supported: No

Bytes Per Sector: 512
Total Sectors: 31,207,104
Sectors Per Track: 63
Hard Disk Heads: 5,169

Number Of Clusters: 3,900,888
Used Clusters: 4
Free Clusters: 3,900,884
Bytes Per Cluster: 4,096
Sectors Per Cluster: 8
Used Sectors: 32
Free Sectors: 31,207,072
I really hope you guys can help me with this, I would like to use Fedora very much. I am sorry if my English is poor, I am still learning. Please, save me from Microsoft Windows.

Edit #1: I should also mention that I tried booting from the Fedora Core 2 Rescue CD, but it returned an identical error.

Last edited by smOked^; 07-16-2004 at 11:43 AM.
Old 07-19-2004, 05:16 PM   #2
Registered: Mar 2004
Location: Idaho, USA
Distribution: Gentoo
Posts: 67

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try passing the kernel the root device option with:


where x is the the location of the hard drive. (primary master = a, primary slave = b, secondary master = c, etc.) and # is the number of the root partition. this is all assuming you're using ATA devices and not SCSI, by the way.

i'm not familiar with the FC2 installation (why am i posting here then? i'll get around to that), but does it ask what kernel you'd like to use after it has finished installing the packages? the only reason why i ask is that i'm experiencing a similar problem while trying to upgrade from my 2.4.26 kernel in Slackware 10 to 2.6.7, and my onboard ATA/RAID card isn't being recognized. but since you were able to install FC2, i'm guessing this isn't your problem.

beyond that, i'm at a loss. hope this helps!
Old 08-17-2004, 07:41 PM   #3
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Registered: Aug 2004
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Sounds like you might have a problem with the CDs themselves. If you say your iso md5 hashes are what they are supposed to be, then the only thing I can suggest is to try a different burner. I use Roxio. Good luck.
Old 02-10-2005, 03:29 AM   #4
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Registered: Feb 2005
Posts: 1

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memory it is

I hade the same problem,

its a memory problem because when you install the installation mounts
filesystem on the memory

see also


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