Why do I see an error "!!! Unknown header type 7f” after command “lspci -vv -d1172” when trying to access the PCIe for Configuration via Protocol on AGIB022R29A and AGIB027R29A devices? - Why do I see an error "!!! Unknown header type 7f” after command “lspci -vv -d1172” when trying to access the PCIe for Configuration via Protocol on AGIB022R29A and AGIB027R29A devices? Description Due to a problem in Quartus® Prime Pro Edition Software v24.1, when trying to access the PCIe for Configuration via Protocol on AGIB022R29A and AGIB027R29A devices with a sof file from Quartus® Prime Pro Edition Software v24.1, you may see the following error message after the command “lspci -vv -d1172”: !!! Unknown header type 7f This problem has no impact on device functionality. Resolution To work around this problem, use sof file from Quartus® Prime Pro Edition Software v23.4 or earlier versions. This problem is scheduled to be fixed in a future version of Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 16023633514 False ['F-Tile Avalon-ST for PCI Express'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 24.1 ['Agilex™ 7 FPGA I-Series'] ['novalue'] ['novalue'] ['novalue']