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    SubjectRe: 2.2.9 probs (ide hd, quota, 128MB (+sort))
    Date
    In muc.lists.linux-kernel, you wrote:
    >On Mon, 24 May 1999, Guest section DW wrote:
    >
    >>
    >> > The ide-dma code does/can not enable UDMA-3/4; therefore, it is not used.
    >>
    >> Maybe I should not ask since I do not know about these things,
    >> but you said that this was a ATA/66 problem. How precisely is
    >
    >I do not know yet, but I will ramble about what I have observed and tested.
    >
    >> this caused? And what is the problem, if disabling DMA does not cure it?
    >
    >There appears to be an ugly transistion period in the standard.
    >
    >There are chipsets that claim to ATA-66 compliant....
    >Translation ::
    >
    >We can detect/trigger but not make use of UDMA-3/4.
    >Known offenders are the ALI1543 AGP-PRO and VIA???? AGP-PRO.
    >This is different from the ALI1543 TX-PRO and VIA82c568 TX-PRO.
    >It appears through imperical tests that the evolution of the TX-PRO to the
    >AGP-PRO as gone very wrong. This may not have any thing to do with
    >Intel's BX chipset, but something is very bad. There appears to be no bit
    >sensing of capablity in all directions.

    I am not sure if this is related, but 2.3.3 doesn't boot on my
    Acer M5229 + IBM DTTA+351010. It detects the disks fine, but cannot
    find init.

    2.2.8 + your big IDE patch works fine.
    So far I haven't tracked down the cause. I first suspected a egcs 1.1 aliasing
    bug, but recompiling with -fno-string-aliasing didn't help. The geometries
    in the 2.3.3 boot screen look correct.

    Output from the working 2.2.8+patch kernel:

    Uniform Multi-Platform E-IDE driver Revision: 6.19
    ALI15X3: IDE controller on PCI bus 00 dev 78
    ALI15X3: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xb800-0xb807, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xb808-0xb80f, BIOS settings: hdc:pio, hdd:pio
    hda: IBM-DTTA-351010, ATA DISK drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    hda: IBM-DTTA-351010, 9671MB w/466kB Cache, CHS=1232/255/63, UDMA(33)

    Any clues on how to fix it?

    Recompiling 2.3.3 without ALI 15x3 support didn't help.


    -Andi


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