Re: /proc/bus/pci odd behavior

Martin Mares (mj@atrey.karlin.mff.cuni.cz)
Fri, 16 Oct 1998 14:16:06 +0200


Hello,

> While digging through some of the /proc files, I stumbled across some
> interesting behavior in /proc/bus/pci. This doesn't seem to be very
> serious, as things recover just fine after a few seconds, and it only
> works as root, but reading a file in /proc/bus/pci/00 on my system (09.0
> in this case) causes my SCSI controller to flip.

This is a known problem (already discussed in this list a week ago). Your
SCSI card has configuration registers with side effects on reads and you are
root, therefore /proc/bus/pci does exactly what it should do.

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"A LISP programmer knows value of everything, but cost of nothing."

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