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Message-ID: <4AB95F41.1070500@lwfinger.net>
Date: Tue, 22 Sep 2009 18:35:29 -0500
From: Larry Finger <Larry.Finger@lwfinger.net>
User-Agent: Thunderbird 2.0.0.23 (X11/20090817)
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To: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Gary Hade <garyhade@us.ibm.com>, Jesse Barnes <jbarnes@virtuousgeek.org>,
       Jaswinder Singh Rajput <jaswinder@kernel.org>,
       Yinghai Lu <yhlu.kernel@gmail.com>,
       Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
       Len Brown <lenb@kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>, x86@kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: fixing "pci=use_crs"
References: <200909161715.24376.bjorn.helgaas@hp.com> <200909171016.50087.bjorn.helgaas@hp.com> <4AB50FF2.1070104@lwfinger.net> <200909211520.56800.bjorn.helgaas@hp.com>
In-Reply-To: <200909211520.56800.bjorn.helgaas@hp.com>
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Bjorn Helgaas wrote:
> On Saturday 19 September 2009 11:08:02 am Larry Finger wrote:
>> Bjorn Helgaas wrote:
>>> It looks like you have an HP box -- what exactly is it and
>>> what BIOS version do you have?  Maybe I can borrow one to play
>>> with myself so I don't have to bug you as much.
>> It is an HP dv2815nr. The BIOS is F.21. I understand that debugging
>> is much easier when you have the machine in hand, but I don't mind
>> providing information.
>> ...
>> Do you want me to boot with "pci=use_crs"?
> 
> That'd be great.  HP's bureaucracy makes it hard for me to borrow
> machines.  If you could also turn on CONFIG_PNP_DEBUG_MESSAGES
> and boot with "pnp.debug", we should get some clues about what _CRS
> returns for all the ACPI devices.  Just attach the resulting dmesg
> to the bugzilla (http://bugzilla.kernel.org/show_bug.cgi?id=14183).

I put the dmesg output with pci=use_crs and pnp.debug in the bugzilla.

Larry


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