Re: Badness in as_completed_request at drivers/block/as-iosched.c:919

[Nick Piggin]

Andrew Morton wrote:

> Nick Piggin <piggin@xxxxxxxxxxxxxxx> wrote:
>
> > Oleg Drokin wrote:
> >
> >
> > > Hello!
> > Hi Oleg,
> > The warning should be harmless. I'll remove it once I make sure. I
> > don't think there have been any recent as-iosched changes, so something
> > else must have just triggered it off.
>
> The smartd failure doesn't look harmless:
>
> Device: /dev/sdb, SMART Failure: DATA CHANNEL IMPENDING FAILURE DATA ERROR RATE TOO HIGH
>
> Or does this always happen?

I didn't see that. Try booting with elevator=deadline I guess.



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