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SubjectRe: ide_wait_not_busy oops still with 2.6.14-rc3 (Re: 1GHz pbook 15", linux 2.6.14-rc2 oops on resume)
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On Tue, 2005-10-11 at 12:33 +0200, Soeren Sonnenburg wrote:
> On Tue, 2005-10-11 at 08:06 +1000, Benjamin Herrenschmidt wrote:
> > > ok, here is the complete one:
> > >
> > > BUG: soft lockup detected on CPU#0!
> >
> > Gack, the soft lockup thing. Can you disable that ? If you do so, does
> > it crashes instead of oopsing or just "pauses" for a little while on
> > wakeup ? The problem is that ide_do_request does a synchronous wait for
> > the drive to get out of busy state which can take a while with some
> > optical drives on wakeup. It might be possible to allow scheduling
> > there, I have to look at it. In the meantime, disable the lockup
> > detector (CONFIG_DETECT_SOFTLOCKUP) and tell me if that's enough.
>
> Hmmhh, I already compiled 2.6.14-rc4 but did not disable
> soft-lockup-ing, should I still do it - the oops looks better as it is
> not followed by a ATAPI reset anymore:

It's still pretty annoying. I'll see what I can do but it won't be for
2.6.14 timeframe, so in the meantime, just ignore it or remove soft
lockup detection.

Ben.


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