Why does DPDK Poll Mode Driver of Multi Channel DMA FPGA IP for PCI Express* fail to be installed in CentOS 8? - Why does DPDK Poll Mode Driver of Multi Channel DMA FPGA IP for PCI Express* fail to be installed in CentOS 8? Description Why does the DPDK Poll Mode Driver of Multi Channel DMA FPGA IP for PCI Express* fail to install in CentOS 8? Due to a problem in DPDK Poll Mode Driver of Multi Channel DMA FPGA IP for PCI Express, you might observe following error messages when installing it in CentOS 8. ./include/linux/dev_printk.h:148:24: error: this statement may fall through [-Werror=implicit-fallthrough=] dev_printk_index_wrap(_dev_notice, KERN_NOTICE, dev, dev_fmt(fmt), ##__VA_ARGS__) ^ /p0_software/dpdk/dpdk/patches/v20.05-rc1/dpdk/x86_64-native-linuxapp-gcc/build/kernel/linux/igb_uio/igb_uio.c:447:3: note: in expansion of macro ‘dev_notice’ dev_notice(&udev->pdev->dev, "PCI INTX mask not supported\n"); ^ /home/cxl_meb/h_mcdma/p0_software/dpdk/dpdk/patches/v20.05-rc1/dpdk/x86_64-native-linuxapp-gcc/build/kernel/linux/igb_uio/igb_uio.c:449:2: note: here case RTE_INTR_MODE_NONE: ^ /p0_software/dpdk/dpdk/patches/v20.05-rc1/dpdk/drivers/vdpa/ifc/base/ifcvf.h:16: error: "VIRTIO_F_IOMMU_ #define VIRTIO_F_IOMMU_PLATFORM 33 Resolution To work around this problem, modify source code of DPDK Poll Mode Driver according to the following steps: Open <workspace>/p0_software/dpdk/dpdk/patches/v20.05-rc1/dpdk/x86_64-native-linuxapp-gcc/build/kernel/linux/igb_uio/igb_uio.c , add ' break;' to each case in the function ' igbuio_pci_enable_msix_interrupts ' if it is missed. Open <workspace>/p0_software/dpdk/dpdk/patches/v20.05-rc1/dpdk/drivers/vdpa/ifc/base/ifcvf.h , comment out ' define VIRTIO_F_IOMMU_PLATFORM 33 ' . Save and re-compile the driver. Custom Fields values: ['novalue'] Troubleshooting 15015756565 False ['Multi Channel DMA for PCI Express'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 23.4 ['Agilex™ 7 FPGAs and SoCs', 'Stratix® FPGAs'] ['novalue'] ['novalue'] ['novalue']