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SubjectRe: Misidentification and failing revalidations of ide dvd-roms with libata
Date
On Sunday 27 July 2008 20:33:21 Simen Timian Thoresen wrote:
[snip]
> I've spent a few hours more looking into this, and I'm not really
> getting much clearer;
>
> I've run either and both of the two DVDroms on an external power-supply
> (drive-power from a jumped, believed good ATX-PSU), and the the symptoms
> remain; inconsistent capabilities reported at boot, and when I start
> ripping CDs, one of them will fail as above.
>
> As I still have the impression that this started when I switched distros
> (ie went from CentOS4 2.6.9 pre-libata-kernel to the current Ubuntu 8.04
> 2.6.24-kernel), I've now started playing around with the libata module
> parameters.

If it's not power then I'm still with Alan re the cables. Maybe you have very
long cables?

I used Alan's nForce4 pata driver for a year or so and didn't have any
problems. OTOH maybe at this stage it's worth checking whether amd74xx (old
IDE) breaks in similar ways?

Also, I assume you've memtest86'ed the machine?

--
Cheers,
Alistair.


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