Re: 2.2 IDE spin-up problems

From: Andre Hedrick (andre@linux-ide.org)
Date: Sat Jul 15 2000 - 21:20:56 EDT

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    I am not sure but there may be a need to issue a reset to clear the
    standby. I have done this also and I find after dorking with the drive in
    a way to invoke a reset, then I can bring it back to life after the
    standby command.

    On Sat, 15 Jul 2000, Keith Duthie wrote:

    > On 2.2.17pre9 and 2.2.16, my IBM-DJNA-371800 drive has irq timeouts when
    > leaving standby mode (Andre: I was incorrect with my earlier bug report -
    > it happens in all xfer-modes). When attempting to leave sleep mode I get
    > lost interrupts, and the drive fails to spin up. Note that I only have
    > problems when the drive is spinning up.
    >
    > The drive is the only drive on the ide channel, and the hardware checks
    > out ok using the program available at the ibm website
    > (http://service.boulder.ibm.com/storage/hddtech/dft-v152.img).
    >
    > The motherboard is a bx6r2, with the latest bios upgrade, and I
    > compiled the kernel with binutils 2.10.0.9 and gcc 2.95.2 .
    >
    >
    > hda: timeout waiting for DMA
    > hda: irq timeout: status=0xd0 { Busy }
    > hda: DMA disabled
    > ide0: reset: success
    >
    >
    > hda: irq timeout: status=0xd0 { Busy }
    > ide0: reset: success
    >
    > --
    > Understanding is a three edged sword. Do you *want* to get the point?
    > http://www.albatross.co.nz/~psycho/ O- -><-
    >

    Andre Hedrick
    The Linux ATA/IDE guy

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