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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