hi Stephen, Thanks for the reply. Following is the observation... ************************************************************* $ dpdk-hugepages.py -s Node Pages Size Total 2 512 2Mb 1Gb 6 512 2Mb 1Gb Hugepages mounted on /dev/hugepages /mnt/huge $ sudo dpdk-hugepages.py -p 1G --setup 2G Unable to set pages (0 instead of 2 in /sys/devices/system/node/node4/hugepages/hugepages-1048576kB/nr_hugepages). ************************************************************* Regards -- Lokesh Chakka. On Mon, Apr 1, 2024 at 12:36 AM Stephen Hemminger < stephen@networkplumber.org> wrote: > On Sun, 31 Mar 2024 16:28:19 +0530 > Lokesh Chakka wrote: > > > Hello, > > > > I've installed dpdk in Ubuntu 23.10 with the command "sudo apt -y install > > dpdk*" > > > > added "nodev /mnt/huge hugetlbfs pagesize=1GB 0 0" in /etc/fstab > > added "vm.nr_hugepages=1024" in /etc/sysctl.conf > > > > rebooted the machine and then did devbind using the following command: > > > > sudo modprobe vfio-pci && sudo dpdk-devbind.py --bind=vfio-pci 63:00.0 > > 63:00.1 > > > > Huge page info is as follows : > > > > ************************************************* > > $ cat /proc/meminfo | grep Huge > > AnonHugePages: 6144 kB > > ShmemHugePages: 0 kB > > FileHugePages: 0 kB > > HugePages_Total: 1024 > > HugePages_Free: 1023 > > HugePages_Rsvd: 0 > > HugePages_Surp: 0 > > Hugepagesize: 2048 kB > > Hugetlb: 2097152 kB > > ************************************************* > > Your hugepages are not setup correctly. The mount is for 1G pages > and the sysctl entry makes 2M pages. > > Did you try using the dpdk-hugepages script? >