Article ID: 000082094 Content Type: Troubleshooting Last Reviewed: 11/09/2018

Why do I see additional BAR’s reported when executing the lscpi command for Intel® Arria® 10 Hard IP for PCI* Express?

Environment

  • Intel® Arria® 10 FPGAs and SoC FPGAs
  • Intel® Quartus® Prime Pro Edition
  • Intel® Quartus® Prime Standard Edition
  • Intel® Arria® 10 Cyclone® 10 Hard IP for PCI Express
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    Description

    Due to a problem in Intel® Quartus® Prime software version 18.0 and earlier you may see additional BAR’s reported by lspci when using the Intel® Arria® 10 Hard IP for PCI* Express. See the example below:

    lspci -nn -vv -s 0000:04:00.0

    Region 0: Memory at 11b0200000000 (64-bit, prefetchable) [disabled] [size=128M]
    Region 2: Memory at 11b00f0200000 (32-bit, non-prefetchable) [disabled] [size=16]
    Region 3: Memory at 11b00f0200010 (32-bit, non-prefetchable) [disabled] [size=16]
    Region 4: Memory at 11b00f0200020 (32-bit, non-prefetchable) [disabled] [size=16]
    Region 5: Memory at 11b00f0200030 (32-bit, non-prefetchable) [disabled] [size=16]

    Resolution

    This problem has been fixed starting in the Intel® Quartus® Prime software version 18.1.

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