linux-kernel - Re: 2.6.22-rc4-mm2 -- Bus #03 (-#06) is hidden behind transparent bridge #02 (-#02) (try 'pci=assign-busses')

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Message-Id: <20070607132709.32cd9f4a.akpm@linux-foundation.org>
Date:	Thu, 7 Jun 2007 13:27:09 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Miles Lane" <miles.lane@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Greg KH <greg@...ah.com>
Subject: Re: 2.6.22-rc4-mm2 -- Bus #03 (-#06) is hidden behind transparent
 bridge #02 (-#02) (try 'pci=assign-busses')

On Thu, 7 Jun 2007 11:33:12 -0700
"Miles Lane" <miles.lane@...il.com> wrote:

> Andrew, is it okay to debug this with the MM tree?  I see this with
> Linus' kernels as well.  It's a long-standing issue, but I have always
> just used pci=assign-busses in the past.
> 

Dunno, but let's not miss an opportunity to bug the PCI maintainer.

>
> [    0.215128] PCI: Transparent bridge - 0000:00:1e.0
> [    0.215142] PCI: Scanning behind PCI bridge 0000:02:09.0, config
> 000000, pass 0
> [    0.215158] PCI: Scanning behind PCI bridge 0000:02:09.0, config
> 000000, pass 1
> [    0.215184] PCI: Bus #03 (-#06) is hidden behind transparent bridge
> #02 (-#02) (try 'pci=assign-busses')
> [    0.215187] Please report the result to linux-kernel to fix this permanently
> [    0.215192] PCI: Bus scan for 0000:02 returning with max=06
> [    0.215199] PCI: Scanning behind PCI bridge 0000:00:1e.0, config
> 020200, pass 1
> [    0.215209] PCI: Bus scan for 0000:00 returning with max=06
> 

Does the kernel otherwise work OK with and without pci=assign-busses?

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