To: linux-kernel@vger.kernel.org
From: Robert Hancock <hancockr@shaw.ca>
Subject: Re: PCI resource collision message
Date: Wed, 31 Dec 2008 01:17:40 -0600
Message-ID: <495B1C94.7040907@shaw.ca>
References: <b681c62b0812302251p195debf5v360e1058de5c18e1@mail.gmail.com>
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yogeshwar sonawane wrote:
> Hi all,
> 
> I have seen the following message in /var/log/messages file :-
> 
> PCI: Device 0000:01:00.0 not available because of resource collisions
> 
> Whenever this msg comes, the PCI card which is present in 0000:01:00.0
> is not useful/accessible.
> While detection of card, pci_set_master() fails.
> But after reboot, that msg goes & card is working fine.
> 
> This card is a Network controller PCI-Express based card.
> The above problem comes very rarely & not on all the test nodes. The
> situation may be difficult to reproduce.
> 
> So, my question is, what to interpret from the above message ?
> PCI bios allocates the PCI resources. So where to look to remove this error ?

Is there something overlapping in the PCI resource allocations? Can you 
post the lspci -vv output?

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