Re: kern/57174: 4.9-PRERELEASE panic: ata_dmasetup:

From: Eugene Grosbein (eugen_at_kuzbass.ru)
Date: 10/23/03

  • Next message: Dan Strick: "Re: 4.9 is now available" 
    Date: Thu, 23 Oct 2003 11:34:39 +0800
To: Doug White <dwhite@gumbysoft.com>

    Doug White wrote:

    > > So Tagged Queueing may be guilty (again).
    >
    > Why do you have ATA tagging turned on in the first place? It's known to
    > not work with 99% of the hardware out there; only a couple of models of
    > IBM drives having working tagging.

    I use it because:

    1. Man 4 ata says it will work with my HDD.
    2. It really worked after ata(4) bug was fixed shortly after 4.5-RELEASE.
       Yes, it did not work with 4.5-PRERELEASE due to ata(4) famous bug.

    Now it work fine even with presence of massive I/O activity when
    this activity does not continue for very long time (half an hour and more)
    uninterruptedly.

    It panices reproducibly and crashdumps are pretty same.

    Eugene Grosbein
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