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

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On Fri, Mar 12, 2010 at 12:02 PM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
>
>
> On Fri, 12 Mar 2010, Yinghai Lu wrote:
>
>> On Fri, Mar 12, 2010 at 5:10 AM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
>> wrote:
>>>
>>> [    0.112379] pci 0000:00:00.0: reg 1c: [mem 0xe0000000-0xffffffff
>>> 64bit]
>>
>>> [    0.133510] PCI: pci_cache_line_size set to 64 bytes
>>> [    0.133515] pci 0000:00:00.0: BAR 3: reserving [mem
>>> 0xe0000000-0xffffffff
>>> flags 0x120204] (d=0, p=0)
>>> [    0.133518] pci 0000:00:00.0: address space collision: [mem
>>> 0xe0000000-0xffffffff 64bit] already in use
>>> [    0.133522] pci 0000:00:00.0: can't reserve [mem 0xe0000000-0xffffffff
>>> 64bit]
>>> [    0.137020] system 00:09: [mem 0xe0000000-0xefffffff] has been
>>> reserved
>>> [    0.172034] pci_bus 0000:00: resource 0 [io  0x0000-0xffff]
>>> [    0.172035] pci_bus 0000:00: resource 1 [mem 0x00000000-0xffffffff]
>>
>> 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

or use pci quirk to hide that in OS.

may need to access the chipset doc.

YH
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