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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