Re: Linux hangs during IDE initialization at boot for 30 sec
From: Richard Hughes
Date: Wed Feb 02 2005 - 07:50:08 EST
Benjamin Herrenschmidt <benh <at> kernel.crashing.org> writes:
> This looks like bogus HW, or bogus list of IDE interfaces ...
How can I test to see if this is the case?
> The IDE layer waits up to 30 seconds for a device to drop it's busy bit,
> which is necessary for some drives that aren't fully initialized yet.
Sure, make sense.
> I suspect in your case, it's reading "ff", which indicates either that
> there is no hardware where the kernel tries to probe, or that there is
> bogus IDE interfaces which don't properly have the D7 line pulled low so
> that BUSY appears not set in absence of a drive.
Right. How do I find the value of D7?
> I'm not sure how the list of intefaces is probed on this machine, that's
> probably where the problem is.
Thanks, Richard Hughes
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