Thank you Civileme...although I didn't understand everything
you said I did get the jist of your response. I'm burning
another disk this morning of the "inst" ISO and I'm hoping
that "what you described" isn't repeated on the second disk.
Mark
>
>From: civileme <[EMAIL PROTECTED]>
>Date: Wed, 6 Dec 2000 14:00:07 +0100
>To: [EMAIL PROTECTED]
>Subject: Re: [newbie] CRC error attempting to install Mdk 7.2
>
>On Wednesday 06 December 2000 01:11, you wrote:
>> This evening I finally broke down cause my curiosity has
gotten the better
>> of me. I Burned the Mandrake 7.2 Cd's and got read to
install it so I
>> could see if I like it any better than 7.1.
>>
>> Whether I'm booting from the CD, or from a floppy I get
the same error
>> when the kernel start uncompressing.
>>
>> CRC error
>>
>> -- System Halted
>>
>> Has anyone else seen this error when attempting to
install 7.2. This, my
>> home machine is an AMD K6 233, and the one at work, which
gave me the
>> error is a Celeron 500. I've got Mandrake 7.1 running on
both machines
>> with no troubles. I know...if it ain't broke don't fix
it...but I just
>> wanna see what it looks like. I've got full backups on
both machine in
>> case the whole thing goes south I can be back up in 30
minutes.
>>
>> thanks in advance,
>
>
>It isn't quite clear from your description where the CRC
error comes in.
>
>CRC check characters are generated by shifting the data
through a hardware
>shift register with feedback loops that essentialy divide
or multiply it by a
>polynomial, a special one that can generate all the
elements in a field of 4
>billion unique elements, and by appending this to the data
stream.
>Supposedly, the receiving hardware duplicates the action.
It is not very
>likely that two 512 bit data streams differing by one or
two bits will
>generate the same CRC (what is left in the register after the
>multiplication).
>
>If this is happening when you are trying to boot the
install kernel, then I
>would ask if you used MD5sum on the isos downloaded. And,
was the floppy
>written from the CD you burned or taken from a downloaded
image? It is
>possible that there is enouigh eccentricity between the
burner and the CD
>reader that a CRC error could occur, and if the floppy was
prepared from a
>read of the CD, then the error could propagate unchecked
because floppies are
>a little too inexpensive to have CRC circuitry and just
store what they get.
>
>
>If this is happening after the install, it is likely the
death knell of a WD
>disk (which blows off the CRC). If it is happening at the
install, I would
>say you have a coaster.
>
>Civileme
>
>
