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  1. #1

    PCI Device Driver


    I am writing a PCI device driver. After I load (insmod) my driver, kernel seems to create a link in /sys/bus/pci/devices

    0000:06:00.0 -> ../../../devices/pci0000:00/0000:00:03.0/altpcie

    altpcie is my device driver name. The altpcie folder is non-exist. Driver seems to be working fine. And I can successfully unload and load my driver many times. But, the lspci or setpci commands will fail with following error,

    lspci: Cannot open /sys/bus/pci/devices/0000:06:00.0/resource: No such file or directory

    Any help will be appreciated.


    Jay Xu

  2. #2
    Join Date
    May 2004
    arch linux
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