Re: [BUG] 2.6.15-rc1, soft lockup detected while probing IDEdevices on AMD7441

[Alan Cox]

On Sul, 2005-11-20 at 17:29 -0800, Andrew Morton wrote:
> Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> > Quite normal. The old IDE probe code takes a long time and it makes the
> > soft lockup code believe a lockup occurred - rememeber its a debugging
> > tool not a 100% reliable detector of failures.
> > 
> 
> We could put a touch_softlockup_watchdog() in there.

Would make sense. Spin up and probe can take over 30 seconds worst case
and is polled in the IDE world. The loop will eventually exit and a true
lockup caused by a stuck IORDY line will hang forever in an inb/outb so
neither softlockup or even nmi lockup would save you.

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