14/01/2023 23:17, Isaac Boukris: > Hi, > > I tried to run testpmd as a non-root user with uio_pci_generic (i.e. > not vfio-pci) on a vmxnet3 interface by setting the > 'cap_ipc_lock,cap_sys_admin' capabilities as according to the doc at: > https://doc.dpdk.org/guides-21.11/linux_gsg/enable_func.html > > But that didn't work and I was still getting the documented error: > EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Permission denied > > I dug a little and found that I had to add the 'cap_dac_override' as > well and then it worked, the hint was at (which also includes a small > demo program): https://bugs.centos.org/view.php?id=17176 > > I thought it was worth sharing as I have seen it being asked a couple of > times.
Thank you for reporting. The preferred solution is to use the capability DAC_READ_SEARCH. The DPDK doc is updated: https://git.dpdk.org/dpdk/commit/?id=50b567c66da268bcc (so you become a DPDK contributor :)
