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

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Date:	Fri, 12 Mar 2010 13:10:25 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
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

On 03/12/2010 12:32 PM, Justin Piszcz wrote:
> 
> 
> On Fri, 12 Mar 2010, Yinghai Lu wrote:
> 
>> On Fri, Mar 12, 2010 at 4:56 AM, Justin Piszcz
>> <jpiszcz@...idpixels.com> wrote:
>>>
>>>
>>> On Fri, 12 Mar 2010, Justin Piszcz wrote:
>>>
>>>>
>>>>
>>>> On Fri, 12 Mar 2010, Justin Piszcz wrote:
>>>>
>>>> Problem persists.
>>>>
>>>> Others seem to have similar issues:
>>>> http://lkml.org/lkml/2010/1/9/157
>>>>
>>>> Some boards not compatible it appears..
>>>>
>>>> Justin.
>>>>
>>>>
>>>
>>> Even with all boards removed:
>>> [    0.133537] pci 0000:00:00.0: address space collision: [mem
>>> 0xe0000000-0xffffffff 64bit] already in use
>>>
>>> 00:00.0 Host bridge: ATI Technologies Inc RD790 Northbridge only dual
>>> slot
>>> PCI-e_GFX and HT3 K8 part
>>>
>>
>> how about current linus' tree with pci=nocrs or pci=use_crs?
> 
> Hi, I saw your second e-mail, so it sounds like a bad board or something
> that Linux does not have a quirk for yet, but in any case, per your
> recommendations:
> 
> pci=nocrs:
> http://home.comcast.net/~jpiszcz/20100312/dmesg-pci-nocrs.txt
> 
> pci=use_crs:
> http://home.comcast.net/~jpiszcz/20100312/dmesg-use-crs.txt
> 
> No collision when pci=use_crs is used, BUT the system still crashes.
> 
> Instead of collision, it says this:
> 
> [    0.133598] PCI: pci_cache_line_size set to 64 bytes
> [    0.133603] pci 0000:00:00.0: BAR 3: reserving [mem
> 0xe0000000-0xffffffff flags 0x120204] (d=0, p=0)
> [    0.133606] pci 0000:00:00.0: no compatible bridge window for [mem
> 0xe0000000-0xffffffff 64bit]
> [    0.133610] pci 0000:00:00.0: can't reserve [mem
> 0xe0000000-0xffffffff 64bit]
> [    0.133617] pci 0000:00:11.0: BAR 0: reserving [io  0xff00-0xff07
> flags 0x20101] (d=0, p=0)
> 
> [    0.133735] Expanded resource reserved due to conflict with PCI Bus
> 0000:00
> 
> Ideas?

you are using 2.6.33, can you try linus today's git or 2.6.34-rc1?

Yinghai

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