linux-kernel - Re: PCI resource collision message

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Message-ID:  <495B1C94.7040907@shaw.ca>
Date:	Wed, 31 Dec 2008 01:17:40 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	linux-kernel@...r.kernel.org
Subject:  Re: PCI resource collision message

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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