linux-kernel - Re: x86/pci Oops with CONFIG_SND_HDA

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Message-ID: <4BF46A92.5050706@ntlworld.com>
Date:	Wed, 19 May 2010 23:47:46 +0100
From:	Graham Ramsey <ramsey.graham@...world.com>
To:	Yinghai <yinghai.lu@...cle.com>
CC:	Bjorn Helgaas <bjorn.helgaas@...com>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: x86/pci Oops with CONFIG_SND_HDA_INTEL

On 19/05/10 19:01, Yinghai wrote:
> On 05/19/2010 10:16 AM, Graham Ramsey wrote:
>    
>> On 19/05/10 17:44, Bjorn Helgaas wrote:
>>      
>>> On Wednesday, May 19, 2010 09:13:24 am Graham Ramsey wrote:
>>>
>>>        
>>>> I am on x86_64 with latest (v2.6.34) kernel. When i set
>>>> CONFIG_SND_HDA_INTEL=Y It hangs at an early stage in boot with kernel
>>>> oops.
>>>> When i use CONFIG_SND_HDA_INTEL=M the machine will boot, and i get the
>>>> dmesg (below).
>>>>
>>>> I have bisected down to one commit that causes the problem:
>>>>
>>>>      commit 3e3da00c01d050307e753fb7b3e84aefc16da0d0
>>>>      x86/pci: AMD one chain system to use pci read out res
>>>>      ...
>>>>
>>>>          
>>> I CC'd Yinghai, the author of that patch.  That commit went in after
>>> 2.6.33, so this is probably a regression between .33 and .34.  Can
>>> you open a report at https://bugzilla.kernel.org and respond to this
>>> thread with the URL?
>>>
>>> Please attach the complete dmesg (with SND_HDA_INTEL=m) to the
>>> bugzilla.
>>>
>>> Thanks a lot for your report!
>>>
>>>        
> please send out bootlog with pci=earlydump.
>
> looks like your system have a very sick BIOS,
>
> system have two HT chains.
>
> PCI: Probing PCI hardware (bus 00)
> ...
> PCI: Discovered primary peer bus 80 [IRQ]
>
>
> rt to non-coherent only set one link:
> node 0 link 0: io port [1000, ffffff]
> TOM: 0000000080000000 aka 2048M
> node 0 link 0: mmio [e0000000, efffffff]
> node 0 link 0: mmio [a0000, bffff]
> node 0 link 0: mmio [80000000, ffffffff]
> bus: [00, ff] on node 0 link 0
>
> YH
>
>    
I have uploaded full boot log (of a working kernel) to bug if that is ok

https://bugzilla.kernel.org/attachment.cgi?id=26444

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