Re: SMP "inb_p" hangs -> huh?

From: Andre Hedrick (andre@suse.com)
Date: Mon Mar 20 2000 - 00:57:03 EST


Valentijn Sessink,

What is the skinny on the hang?

On Sun, 19 Mar 2000, Richard B. Johnson wrote:

> On Sat, 18 Mar 2000, Valentijn Sessink wrote:
>
> > Hi all,
> >
> > while trying to track down a strange freeze, I found that the main
> > reason for the immediate hang is a never returning inb(...) instruction
> > from ide.c:
>
> The macros used to slow down I/O write to the "MFG" port at 0x80.
> If your board is "strange", (bad decode), this might screw up something.
> You might have a broken trace on the motherboard.
>
> Cheers,
> Dick Johnson
>
> Penguin : Linux version 2.3.41 on an i686 machine (800.63 BogoMips).
>
>
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Andre Hedrick
The Linux ATA/IDE guy

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