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    Subject[Partially solved] Re: irq 10: nobody cared! (was: Re: 2.6.11-rc3-mm1)

    Hi, William.

    On Feb 12 2005, William Park wrote:
    > Your 'dmesg' says
    > Warning: Secondary channel requires an 80-pin cable for operation.
    > I assume it is.

    Well, I just finished compiling the 2.6.11-rc4 kernel and the problem
    persisted. This time, I enabled ACPI debugging and it indeed generates more
    details.

    Right after the problem persisted, I turned off the second HD (which was
    the master of the secondary channel of the Promise controller) and the
    problem automagically went away. :-(

    One other thing is that the BIOS still configures the drive as UDMA 4, but
    Linux downgrades that to UDMA 2. I'm not sure why.

    Using hdparm manually with "hdparm -c1 -u1 -d1 -X udma4 /dev/hde" enables
    things that the kernel doesn't and seems to be working wonderfully.

    I don't know what I should do right now. I have put the newer dmesg logs on
    <http://www.ime.usp.br/~rbrito/ide-problem/>. Should I contact anybody else?
    I do need the second drive on, though.

    I'm CC'ing Bartlomiej Zolnierkiewicz, as he is listed in the MAINTAINERS
    file as the IDE maintainer.


    Thanks for any comments and help, Rogério Brito.

    --
    =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    Rogério Brito - rbrito@ime.usp.br - http://www.ime.usp.br/~rbrito
    =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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