Mailinglist Archive: opensuse-bugs (8080 mails)

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[Bug 237229] report for using pci=assign-busses kernel parameter
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 1 Feb 2007 05:10:41 -0700 (MST)
  • Message-id: <20070201121041.E8065D99@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=237229


bk@xxxxxxxxxx changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
Info Provider| |f.alabas@xxxxxxxxxxxx




------- Comment #2 from bk@xxxxxxxxxx 2007-02-01 05:10 MST -------
>From my observations so far, this message is printed mainly on notebooks
with Cardbus slots, and on some of those, the BIOS-configured PCI bus
numbering is so that CardBus cards which are inserted in one of the
CardBus slots never detected by the kernel and not shown in lspci.

Your messages look like you have a BIOS with such PCI configuration,
hence the warning, and booting with pci=assign-busses causes the kernel
ignore the BIOS numbering and do PCI bus numbering himself, which fixes
the issue in any case.

If this message was just related to the CardBus bridge, the CardBus
driver (Yenta) would have attempted to correct the misconfiguration
itself, without pci=assign-busses.

If you boot without pci=assign-busses, and this warning was indeed
about the PCI ranges regarding the CardBus bridge, you should see
messages from the Yenta driver, where it tries to fix the PCI ranges
regarding the CardBus bridge.

If you see: "Yenta: Raising subordinate bus# of parent bus ....",
then in the kernel messages (boot log / dmesg) then Yenta has taken
care of it already and your Cardbus cards should work even without
pci=assign-busses.

In case they do not, please report it here please.

If you do not have any isses with/without pci=assign-busses,
please report as well.

Adding/removing pci=assign-busses may however invalidate your
X congiuration (no GUI then, only text mode, but running "sax2 -a"
should fix that) and possibly network configuration.

I all works for you without pci=assign-busses the message is
superflous in your case and should be removed in this case.
I'll try to find the time to write a proper check to catch that then.


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