From: Yinghai Lu <yinghai@kernel.org>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots [full dmesg]
Date: Fri, 12 Mar 2010 13:43:16 -0800 [thread overview]
Message-ID: <4B9AB574.70800@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1003121532300.6929@p34.internal.lan>
On 03/12/2010 12:34 PM, Justin Piszcz wrote:
>
>
> On Fri, 12 Mar 2010, Yinghai Lu wrote:
>
>> On Fri, Mar 12, 2010 at 12:02 PM, Justin Piszcz
>> <jpiszcz@lucidpixels.com> wrote:
>>>
>>>
>>> On Fri, 12 Mar 2010, Yinghai Lu wrote:
>>>
>>>> On Fri, Mar 12, 2010 at 5:10 AM, Justin Piszcz
>>>> <jpiszcz@lucidpixels.com>
>>>> 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
> 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?
kernel doesn't touch that BAR. just set the res start to 0, but later it doesn't try to get one for it. because pci 00:00.0 is one hostbridge.
YH
next prev parent reply other threads:[~2010-03-12 21:44 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-12 10:25 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots Justin Piszcz
2010-03-12 10:49 ` Justin Piszcz
2010-03-12 10:57 ` Justin Piszcz
2010-03-12 12:44 ` Justin Piszcz
2010-03-12 12:56 ` Justin Piszcz
2010-03-12 13:10 ` 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots [full dmesg] Justin Piszcz
2010-03-12 20:01 ` Yinghai Lu
2010-03-12 20:02 ` Justin Piszcz
2010-03-12 20:27 ` Yinghai Lu
2010-03-12 20:34 ` Justin Piszcz
2010-03-12 20:39 ` Justin Piszcz
2010-03-12 21:30 ` 2.6.34-rc1: pci 0000:00:00.0: address space collision / spontaenous reboots [now 2.6.34-rc1] Justin Piszcz
2010-03-12 21:43 ` Yinghai Lu
2010-03-12 21:48 ` Justin Piszcz
2010-03-12 21:50 ` Yinghai Lu
2010-03-12 21:52 ` Justin Piszcz
2010-03-12 21:52 ` Yinghai Lu
2010-03-13 9:01 ` Justin Piszcz
2010-03-18 22:58 ` Bjorn Helgaas
2010-03-18 23:00 ` Justin Piszcz
2010-03-18 23:19 ` Bjorn Helgaas
2010-03-19 9:45 ` Justin Piszcz
2010-03-12 21:43 ` Yinghai Lu [this message]
2010-03-12 19:44 ` 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots Yinghai Lu
2010-03-12 20:32 ` Justin Piszcz
2010-03-12 21:10 ` Yinghai Lu
2010-03-12 21:59 ` Bjorn Helgaas
2010-03-12 22:07 ` Justin Piszcz
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