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. Hope that helps, -Harry
