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    SubjectRe: 2.6.23-rc9-git4: pata_pcmcia, disabling IRQ #9 and Re: libata and legacy ide pcmcia failure
    Alan Cox wrote:
    > On Fri, 21 Mar 2008 10:38:31 +0900
    > Tejun Heo <> wrote:
    >> Alan Cox wrote:
    >>> O> Mar 20 19:51:45 idefix kernel: ata12: PATA max PIO0 cmd 0xa100 ctl
    >>>> 0xa10e irq 3
    >>>> Mar 20 19:52:15 idefix kernel: ata12.00: qc timeout (cmd 0x91)
    >>>> Mar 20 19:52:15 idefix kernel: ata12.00: failed to IDENTIFY
    >>>> (INIT_DEV_PARAMS failed, err_mask=0x4)
    >>> Thinkpad T61p .. I've seen a few of these.
    >>> Firstly try the card and adapter in a different PC and let me know if
    >>> that works. So far they do. If that is the case get the latest firmware
    >>> updates (BIOS etc) for your thinkpad and see if the problem goes away.
    >>> They (or our ACPI code I guess it may be) have some serious IRQ routing
    >>> problems on this box.
    >> Any chance the thing just chokes up on INIT_DEV_PARAMS?
    > Possibly but I've seen several previosu reports showing no IRQ being
    > delivered off these machines. You get IRQ 3 reported as assigned and an
    > IRQ 9 turns up.
    > Alan

    Also, these devices used to work about a year ago (same machine, earlier
    kernel) and then stopped working.

    It is entirely possible that some change triggered a BIOS(?) bug, or
    even that a BIOS upgrade caused the breakage, of course.

    I'll try to try out the hardware in another Linux box - it may take a
    while, as I have to find out who at work has liberated their machine
    from corporate IT. :-)


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      Last update: 2008-03-21 12:35    [W:0.024 / U:168.912 seconds]
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