[ale] divergent issue related to lspci, was: Re:interrupts inlinux??

[Matty]

On Sun, 2002-12-29 at 01:30, Hugh Esco wrote:
> As for the IRQ issue mentioned below, I read something pertinent on that 
> subject just this afternoon, I'm pretty sure in the man page for 
> setserial.  It specifically listed several IRQs to avoid using as they were 
> reserved for other purposes.
> 
> But that research eventually led me to a different issue altogether related 
> to the use of lspci.
> 
> A client's machine was very much less very verbose when I invoked lspci 
> than was the working installation on our application server.
> 
> http://packages.debian.org/cgi-bin/search_contents.pl?word=pci&searchmode=searchfiles&case=insensitive&version=stable&arch=i386 
> 
> went straight from the /lib directory to the /sbin directory on page seven, 
> completely skipping over the /proc directory.

The /proc file system is really a facade. It simply provides an
interface into various kernel data structures. If the kernel finds your
device, the pertinent data would be available within the /proc tree.
Linux goes out of the way to provide simple interfaces to everything :)


> 
> What routine would build /proc/bus at start-up?
> 
> -- Hugh
> 
> <client>: /proc/bus# ls -al
> total 0
> dr-xr-xr-x      2  root root            0  Dec 28 22:56 .
> dr-xr-xr-x      22 root root            0  Dec 28 20:17 ..
> <client>: /proc/bus# lspci -vvx
> pcilib: Cannot open /proc/bus/pci
> lspci: Cannot find any working access method.
> <client>: /proc/bus#
> 
> 
> At 11:28 PM 12/28/02 -0500, you wrote:
> >Message: 4
> >Date: Sat, 28 Dec 2002 22:47:40 -0500
> >From: Christopher Bergeron <christopher at bergeron.com>
> >To:  ale at ale.org
> >Subject: Re: [ale] interrupts in linux??
> >Reply-To: ale at ale.org
> >
> >So then, in theory, I should be able to assign any IRQ that isn't being
> >used (like my floppy ide channel for example), and assign it to one of
> >these devices?
> >
> >Thanks more..
> >-CB
> 
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Ryan Matteson - UNIX Administrator
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