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    SubjectRe: IDE freeze & reset
    On Sat, Nov 21, 1998 at 05:28:00PM +0100, David Monniaux wrote:
    > with kernel 2.0.34 (source straight from RH 5.1) with APM and PCMCIA
    > enabled, using a UMC8886BF IDE controller and
    > hda: IBM-DDLA-21620, 1551MB w/96kB Cache, CHS=3152/16/63
    > on an Olivetti Echos 133EM laptop, I get the following symptoms:
    > - hard disk accesses cease for a moment and a process (say, LaTeX) waits
    > for them;
    > - the kernel gets angry, reports
    > hda: irq timeout: status=0xd0 { Busy }
    > then resets the IDE bus and reports
    > ide0: reset: success

    I get the same thing under 2.1.129 with the same IDE chipset. (and all other tried kernels)

    I don't have either APM or PCMCIA installed though.

    Nov 21 22:12:53 acidlake kernel: UM8886BF: IDE controller on PCI bus 00 dev 91
    Nov 21 22:12:53 acidlake kernel: UM8886BF: not 100% native mode: will probe irqs later
    Nov 21 22:12:53 acidlake kernel: hda: SAMSUNG SHD-3122A (APOLLO), ATA DISK drive
    Nov 21 22:12:53 acidlake kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Nov 21 22:12:53 acidlake kernel: hda: SAMSUNG SHD-3122A (APOLLO), 240MB w/64kB Cache, CHS=937/15/35

    I use multi-sector of zero, as I seem to get corruption with the default of 16.


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