linux-kernel - Re: One problem in reassign pci bus number?

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Message-ID: <CAE9FiQX52eL6ZFQ_X3uL5DukK03sPhByZpPh0++o6L=WF8BGXg@mail.gmail.com>
Date:	Mon, 23 Apr 2012 13:19:11 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Don Dutile <ddutile@...hat.com>
Cc:	Richard Yang <weiyang@...ux.vnet.ibm.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: One problem in reassign pci bus number?

On Mon, Apr 23, 2012 at 12:46 PM, Don Dutile <ddutile@...hat.com> wrote:
> I have run into a similar problem recently when trying to use
> pci=assign-busses
> with an SRIOV device behind a non-ARI-capable PCIe switch.
> In this scenario, the assign-busses code assigned the next bus number,
> which conflicted with an existing one on the system, and hangs the
> system -- two bridges responding to the same PCI bus num evidently
> confuses the hw! ;-)

can you post boot log and lspci -vvxxx?

Yinghai
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