Re: Linux 2.3.x and Promise IDE card

From: Ove Ewerlid (Ove.Ewerlid@syscon.uu.se)
Date: Mon Mar 20 2000 - 02:14:04 EST

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    Andre Hedrick wrote:
    >
    > That is because one could enable the chipset with out AUTODMA and then
    > try, but crash the system, to retune the drive but the chipset is still
    > set at PIO 0. Thus attempting to do DMA transfers from the drive to a
    > PIO 0 configured host adapter will CRASH........
    >
    > This will be fixed or is pixed in 2.3.99pre2

    Just tried it with 2.3.99pre3 and the DMA crash is still there (20262
    chipset).
    Still works fine with no DMA (at reduced speed).
    (This time I saw a crash error message saying that DMA was attempted
    while
     not supported by the chipset, consistent with what you say above.)

    Ove 

    -- 
Ove Ewerlid
Email: Ove.Ewerlid@[syscon|signal|material].uu.se
Phone: +46 70 666 23 63, Fax: +46 18 503 611, +46 18 555 096

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