>From: anand prasad >> Hi DPDK Team, > >Hello, > >> I am new to DPDK and trying to understand DPDK by running the examples >> provided in the >> kit. >> <snip> >> EAL: No free hugepages reported in hugepages-2048kB >> PANIC in rte_eal_init(): >> Cannot get hugepage information >> 6: [build/app/testpmd() [0x439493]] >> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f86cf2dcec5]] >> 4: [build/app/testpmd(main+0x52) [0x436bf2]] >> 3: [build/app/testpmd(rte_eal_init+0xc43) [0x4b60f3]] >> 2: [build/app/testpmd(__rte_panic+0xc9) [0x431640]] >> 1: [build/app/testpmd(rte_dump_stack+0x1a) [0x4bcdfa]] >> Aborted (core dumped) > >This is caused by hugepages not being set up on the system. >Some details about hugepages here: >http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#hugepage-memory-use-by-applications > >To solve it, the easiest way is to use the "tools/setup.sh" script: > >cd /path/to/dpdk >./tools/setup.sh ># Read the options, select "Set up hugepages" >Say how many hugepages to use, I use 512 when not doing performance testing. >Note that this must be performed after each reboot.
On other reason I have seen this when you forget to run as root using sudo ?. > >Hope that helps, -Harry > Regards, Keith
