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    SubjectRe: Strange DMA-errors and system hang with Promise 20268
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    On Sun, 2004-03-07 at 02:05, Mario 'BitKoenig' Holbe wrote:
    > Same here:
    >
    > Mar 4 01:01:06 darkside kernel: hde: dma_timer_expiry: dma status == 0x21
    > Mar 5 01:02:00 darkside kernel: hde: dma_timer_expiry: dma status == 0x21
    > Mar 6 01:10:22 darkside kernel: hde: dma_timer_expiry: dma status == 0x21
    >
    > Can you somehow correlate this to start of S.M.A.R.T selftests?

    Nope. To this date I wasn't running anything of the sort. I ran a few
    selftest now though.. Nothing happened..

    > I suspect it having something to do with 2.4.25 new "One last
    > read after the timeout" in ide-iops.c and accessing the drive
    > while selftest running (possibly especially short selftest).
    > Here, daily at 01:00 smartmontools runs smart short selftests
    > and a bit later the machine hangs.
    > Today, I disabled that job and the machine stays stable.

    This happens every now and then.. Sometimes once a week or once a month.
    Sometimes it's once per hour. I can't correlate this behaviour with any
    activity that the box in question is doing (mysql, nfsd)..

    > > error another device, but it's allways a device on the promise
    > > controller, fails.
    >
    > Dito... PDC20269 U133TX2
    > CONFIG_BLK_DEV_PDC202XX_NEW=y
    >
    > And until now it was always hde connected to the promise
    > controller.
    >
    > > I've seen this behaviour with 2.4.25, 2.4.24 and 2.4.23 (I think).
    >
    > My machine did run at least since:
    > Jan 18 09:41:21 darkside kernel: Linux version 2.4.24
    > ...
    > Feb 28 01:43:48 darkside kernel: Linux version 2.4.24
    > Feb 28 04:58:47 darkside kernel: Linux version 2.4.25
    >
    > First time the problem occured was Mar 4 01:01:06.

    I've had those problems for at least a month. ;/

    I just have no clue what's wrong with the damn thing.

    --
    Henrik Persson <nix@syndicalist.net>

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