Re: APM-related crashes (flaky IDE RESET)

David Monniaux (monniaux@clipper.ens.fr)
Tue, 18 May 1999 11:12:48 +0200 (MET DST)


On Sat, 15 May 1999, Pavel Machek wrote:

> > My Olivetti laptop has undergone two scary crashes lately. The sequence
> > seems to be:
> > 1. APM standby (suspend to disk works)
> > 2. After coming back, the keyboard doesn't work anymore (though the mouse
> > still moves, which indicates X and gpm are still alive)

This time, I saw what happened. The hard disk gets stopped throughout
standby. At the next hard disk access, the kernel sees the hard disk
(hda) is "busy", resets ide0 (success), sees hda as busy, resets ide0 and
so on...

Looks like a bug in the IDE layer, or maybe some buggy hard drive.

-- David

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