CentOS5 mediacheck failing

Ted Roche tedroche at tedroche.com
Mon Jul 16 13:59:31 EDT 2007


Ben Scott wrote:
> On 7/15/07, Ted Roche <tedroche at tedroche.com> wrote:
> 
>   Check the kernel log (it's on one of the Virtual Consoles,
> [CTRL]+[ALT]+[F4] maybe?) for indications as to what the kernel thinks
> is going on.

I didn't see anything obvious, but will try again and report more
detailed results.

>   While it could be software (something with how the kernel is
> interacting with the ATA controller and CD drive on that computer), it
> could also be that the disc is marginal, so that particular drive
> can't quite read it, but others are able to.  ("Newer" drives aren't
> always better.  Sometimes engineering advances are used to reduce
> overcapacity right down to the edge -- which lowers costs but makes
> things less robust.)

You mean "they just don't make things like they used to?" Yeah.
> 
>   Burn another CD, preferrably with a different burner drive and with
> a different brand of media.  Try the mediacheck of that disc on the
> problem hardware.
> 
>   Try removing the drive from the problem computer and putting it in
> one of the other computers that worked.  See if the mediacheck passes
> then.
> 
>   Try taking a drive that works and putting it in the computer that's
> giving you trouble.  See if the mediacheck passes then.
> 

All good steps to follow. I'll give the software suggestion a try first
since it doesn't involve having to mess with hardware, and see if the
"ide=nodma" switch makes a difference...

-- 
Ted Roche
Ted Roche & Associates, LLC
http://www.tedroche.com


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