linux-kernel - Re: [PATCH -v3 0/14] PCI: allocate pci bus num range for unassigned bridge busn

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Message-ID: <CAE9FiQX7vrXJ_RFYdKFeK2v10BAzVOFNn08a4=pG7vbqjyifTA@mail.gmail.com>
Date:	Tue, 31 Jan 2012 16:27:06 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Tony Luck <tony.luck@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH -v3 0/14] PCI: allocate pci bus num range for unassigned
 bridge busn

On Tue, Jan 31, 2012 at 3:30 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> Thanks.  I tried this, and it blew up as soon as I did a rescan.  More
> complete console log attached.
>
> # echo 1 > /sys/bus/pci/rescan
> [  140.237870] pci_bus 0000:00: scanning bus pass 0
> [  140.242551] pci 0000:00:01.0: scanning [bus 01-01] behind bridge, pass 0
> [  140.249249] pci 0000:00:01.0: check if busn 01-01 is in busn_res: [bus 00-7e]
> [  140.256377] pci 0000:00:01.0: bus configuration invalid, reconfiguring
> [  140.262912] pci 0000:00:01.1: scanning [bus 02-02] behind bridge, pass 0
> [  140.269593] pci 0000:00:01.1: check if busn 02-02 is in busn_res: [bus 00-7e]
> [  140.276721] pci 0000:00:01.1: bus configuration invalid, reconfiguring

did not try this test case.

will check that .

Thanks

Yinghai
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