[CentOS] IO window: disabled

Tue Nov 6 22:16:53 UTC 2007
Centos <centos at unixplanet.biz>

Hi

was wondering if you can help me to find why IO window is disabled on my 
server.

thanks

Centos wrote:
> I just noticed that one of those pci bridges are related to my network 
> interface card:
>
> Sep 10 15:06:16 Song kernel: IO window: disabled.
> Sep 10 15:06:16 Song kernel: MEM window: f8000000-fbffffff
> Sep 10 15:06:16 Song kernel: PREFETCH window: disabled.
> Sep 10 15:06:16 Song kernel: PCI: Bridge: 0000:00:1c.0
> Sep 10 15:06:16 Song kernel: IO window: disabled.
> Sep 10 15:06:16 Song kernel: MEM window: f8000000-fbffffff
> Sep 10 15:06:16 Song kernel: PREFETCH window: disabled.
> Sep 10 15:06:16 Song kernel: PCI: Bridge: 0000:00:1e.0
> Sep 10 15:06:16 Song kernel: IO window: e000-efff
> Sep 10 15:06:16 Song kernel: MEM window: fc100000-fc2fffff
> Sep 10 15:06:16 Song kernel: PREFETCH window: d0000000-d7ffffff
>
>
> Sep 10 15:06:16 Song kernel: eth0: Broadcom NetXtreme II BCM5708 
> 1000Base-T (B1) PCI-X 64-bit 133MHz found at mem f8000000, IRQ 169, 
> node addr 00137266a91e
> Sep 10 15:06:16 Song kernel: ACPI: PCI Interrupt 0000:09:00.0[A] -> 
> GSI 16 (level, low) -> IRQ 169
> Sep 10 15:06:16 Song kernel: eth1: Broadcom NetXtreme II BCM5708 
> 1000Base-T (B1) PCI-X 64-bit 133MHz found at mem f4000000, IRQ 169, 
> node addr 00137266a920
> Sep 10 15:06:16 Song kernel: hda: ATAPI 24X CD-ROM drive, 256kB Cache, 
> UDMA(33)
>
>
>
> Centos wrote:
>> Hello
>>
>> We are seeing the following lines in our /var/log/kern file.
>> and I am wondering why IO window is disabled for those pci bridges
>> and if it is necessary to enable them.
>>
>>
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: f4000000-f7ffffff
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:07:00.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: f4000000-f7ffffff
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:07:01.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: disabled.
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:06:00.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: f4000000-f7ffffff
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:06:00.3
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: disabled.
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:00:02.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: f2000000-f7ffffff
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:01:00.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: fc400000-fc5fffff
>> Nov  1 15:19:18 Song kernel: PREFETCH window: d8000000-d80fffff
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:01:00.2
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>> Nov  1 15:19:18 Song kernel: MEM window: disabled.
>> Nov  1 15:19:18 Song kernel: PREFETCH window: disabled.
>> Nov  1 15:19:18 Song kernel: PCI: Bridge: 0000:00:03.0
>> Nov  1 15:19:18 Song kernel: IO window: disabled.
>>
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>> http://lists.centos.org/mailman/listinfo/centos
>>
>
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