Re: PCI on 2.1.93..

Martin Mares (mj@atrey.karlin.mff.cuni.cz)
Wed, 8 Apr 1998 11:12:53 +0200


Hi,

> But ... the /proc filesystem does not seem ok. Even though the /proc/pci
> is there ...
>
> debiandev:~# cat /proc/pci
> PCI devices found:
> Bus 0, device 0, function 0:
> Host bridge: Intel 82437VX Triton II (rev 2).
> Medium devsel. Master Capable. Latency=32.
> Bus 0, device 7, function 0:
> ISA bridge: Intel 82371SB PIIX3 ISA (rev 1).
>
> <snip>
>
> I/O at 0x6200 [0x6201].
> Non-prefetchable 32 bit memory at 0xe0200000 [0xe0200000].
> debiandev:~# cat /proc/bus/pci/00
> cat: /proc/bus/pci/00: No such file or directory
> debiandev:~# ls /proc/bus
> debiandev:~# ls /proc/pci
> /proc/pci
> debiandev:~#
>
> If I go back to 2.1.90, everything is ok (both /proc/bus/pci/00 and
> /proc/pci are present).
>
> Comments ???

Known problem. This is caused by the order of initialization of various
subsystems having been changed in 2.1.93 -- the /proc filesystem now gets
initialized before the PCI subsystem, so it doesn't create /proc/bus/pci as it
thinks there's no PCI bus.

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
"God is real, unless declared integer."

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