linux-kernel - Re: 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots [full dmesg]

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Message-ID: <alpine.DEB.2.00.1003121538110.6929@p34.internal.lan>
Date:	Fri, 12 Mar 2010 15:39:10 -0500 (EST)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Yinghai Lu <yinghai@...nel.org>
cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: 2.6.33: pci 0000:00:00.0: address space collision / spontaenous
  reboots [full dmesg]



On Fri, 12 Mar 2010, Justin Piszcz wrote:

>
>
> On Fri, 12 Mar 2010, Yinghai Lu wrote:
>>>> 
>>>> looks like the silicon report wrong size in that BAR3
>>>> 
>>>> YH
>>> 
>>> Hi,
>>> 
>>> Is there anyway to work around this?  Or is it a bad motherboard?
>>> 
>> 
>> maybe one new BIOS could hide that register
> Hi,
>
> It is using the latest F8c BIOS:
> http://www.gigabyte.us/Products/Motherboard/Products_Overview.aspx?ProductID=3007
>
> Other (earlier) bios' have been tested, that did not help either.
>
> Is there anyway to to the kernel not to touch that range of memory?
> 0xe0000000-0xffffffff?
>
> Justin.
>
>> 
>> or use pci quirk to hide that in OS.
>> 
>> may need to access the chipset doc.
>> 
>> YH
>

Here is the lshw output:

      *-pci:0
           description: Host bridge
           product: RD790 Northbridge only dual slot PCI-e_GFX and HT3 K8 part
           vendor: ATI Technologies Inc
           physical id: 100
           bus info: pci@...0:00:00.0
           version: 00
           width: 64 bits
           clock: 66MHz
           configuration: latency=32
           resources: memory:0-1fffffff

Justin.