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    SubjectRe: [BUG] ide dma_timer_expiry, then hard lockup
    Alan Cox wrote:
    >>> Indeed... but the thing is we don't know what's asserted in this case
    >>>-- remember, it's reading the status register that locks everything up...

    >>Exactly. And IORDY shouldn't really apply there,
    >>unless some nitwit standards person wrote it into a spec..

    > Could it be we need to reset the state machine at this point before we
    > touch the registers again - that wouldn't be the first controller with
    > this limit and undocumented.

    > On the 370 we already

    Yeah, that could be. And because IORDY pin becomes DSTROBE for UltraDMA it
    might have stuck low due to this (if the chip never asserted STOP)...

    > Alan

    MBR, Sergei
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      Last update: 2007-06-19 18:33    [W:0.020 / U:15.036 seconds]
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