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    SubjectRe: pci 0000:01:00.0: BAR 6: no parent found for of device [0xfffe0000-0xffffffff]
    Date
    (Adding CC to linux-pci)

    On Wednesday 24 June 2009, Justin Mattock wrote:
    > (just pulled the latest git)
    > And am seeing this:

    Where pci 0000:01:00.0 and 0000:02:00.0 are what?

    > [ 0.696001] pci 0000:01:00.0: BAR 6: no parent found for of device
    > [0xfffe0000-0xffffffff]
    > [ 0.696010] pci 0000:02:00.0: BAR 6: no parent found for of device
    > [0xfffe0000-0xffffffff]
    > [ 0.696069] pci 0000:00:01.0: PCI bridge, secondary bus 0000:01
    > [ 0.696074] pci 0000:00:01.0: IO window: 0x3000-0x3fff
    > [ 0.696081] pci 0000:00:01.0: MEM window: 0x50300000-0x503fffff
    > [ 0.696087] pci 0000:00:01.0: PREFETCH window:
    > 0x00000040000000-0x00000047ffffff
    > [ 0.696096] pci 0000:00:1c.0: PCI bridge, secondary bus 0000:02
    > [ 0.696102] pci 0000:00:1c.0: IO window: 0x2000-0x2fff
    > [ 0.696111] pci 0000:00:1c.0: MEM window: 0x50200000-0x502fffff
    > [ 0.696118] pci 0000:00:1c.0: PREFETCH window: 0x50500000-0x505fffff
    > [ 0.696126] pci 0000:00:1c.1: PCI bridge, secondary bus 0000:03
    > [ 0.696130] pci 0000:00:1c.1: IO window: disabled
    > [ 0.696138] pci 0000:00:1c.1: MEM window: 0x50100000-0x501fffff
    > [ 0.696145] pci 0000:00:1c.1: PREFETCH window: disabled
    > [ 0.696152] pci 0000:00:1c.2: PCI bridge, secondary bus 0000:04
    > [ 0.696158] pci 0000:00:1c.2: IO window: 0x1000-0x1fff
    > [ 0.696167] pci 0000:00:1c.2: MEM window: 0x4c100000-0x500fffff
    > [ 0.696174] pci 0000:00:1c.2: PREFETCH window:
    > 0x00000048000000-0x0000004bffffff
    > [ 0.696186] pci 0000:00:1e.0: PCI bridge, secondary bus 0000:0c
    > [ 0.696190] pci 0000:00:1e.0: IO window: disabled
    > [ 0.696198] pci 0000:00:1e.0: MEM window: 0x4c000000-0x4c0fffff
    > [ 0.696205] pci 0000:00:1e.0: PREFETCH window: disabled
    > [ 0.696219] pci 0000:00:01.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
    > [ 0.696225] pci 0000:00:01.0: setting latency timer to 64
    > [ 0.696235] pci 0000:00:1c.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    > [ 0.696243] pci 0000:00:1c.0: setting latency timer to 64
    > [ 0.696254] pci 0000:00:1c.1: PCI INT B -> GSI 16 (level, low) -> IRQ 16
    > [ 0.696261] pci 0000:00:1c.1: setting latency timer to 64
    > [ 0.696273] pci 0000:00:1c.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
    > [ 0.696280] pci 0000:00:1c.2: setting latency timer to 64
    > [ 0.696437] pci 0000:00:1e.0: power state changed by ACPI to D0
    > [ 0.696446] pci 0000:00:1e.0: setting latency timer to 64
    >
    >
    > Is this good or bad?
    > (BAR 6: no parent found for of device)

    There may be devices without parents, although the message itself seems to be
    broken.

    Please send the output of lspci.

    Best,
    Rafael


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