Re: Strange DMA-errors and system hang with Promise 20268

[Bruce Allen]

> > 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.

Does the disk's SMART error log (smartctl -l error) show any entries
related to this problem?  If so, please print them with the latest version
of smartmontools (5.30) which makes them more 'human readable" than
previous versions.

Bruce

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