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    SubjectRe: Misidentification and failing revalidations of ide dvd-roms with libata
    Date
    On Sunday 20 July 2008 20:34:48 Simen Timian Thoresen wrote:
    > Alan Cox wrote:
    > >> [ 155.457098] ata4.00: model number mismatch 'Pioneer DVD-ROM
    > >> ATAPIModel DVD-116 0109' != 'Pioïeer¡DVD­ROM¡ATAñIMoåel åVD-±16 ¡010¹'
    > >> [ 155.457103] ata4.00: revalidation failed (errno=-19)
    > >
    > > So it failed because the data read from the drive was corrupted.
    > >
    > >> As I understand, this would most commonly indicate that the drive has
    > >> gone bad, but this also occurs on the /other/ drive (same make/model) in
    > >
    > > Or a cable problem.
    >
    > Hi Alan,
    >
    > Should this apply here too? There are two separate cables, and I've
    > never seen the other drive to fail after the first drive has failed.
    > I've now ripped ~50 CDs with the still working drive, while this drive
    > failed during the first 5 CDs on my two previous boots.
    >
    > I don't doubt that the revalidation goes bad, but I can't see hardware
    > being the cause of it as it hits any drive, but so-far only one drive pr
    > boot.

    Power supply maybe? Check the rails. The +12VDC must be good.

    --
    Cheers,
    Alistair.
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