[ovs-discuss] EAL: map_all_hugepages(): mmap failed: Cannot allocate memory

[John Wei]

I am setting up OVS inside a Linux container. During the startup of
ovs-vswitchd, it core dumped due to fail to mmap.
I do have more than needed 256MB.
Any clue where the problem may come from?

John



ovs-vswitchd --dpdk -c 0x1 -n 4 -l 1 --file-prefix ct0000- --socket-mem
128,128 -- unix:$DB_SOCK --pidfile --detach --log-file=ct.log


EAL: Detected lcore 23 as core 5 on socket 1
EAL: Support maximum 128 logical core(s) by configuration.
EAL: Detected 24 lcore(s)
EAL: No free hugepages reported in hugepages-1048576kB
EAL: VFIO modules not all loaded, skip VFIO support...
EAL: Setting up physically contiguous memory...
EAL: map_all_hugepages(): mmap failed: Cannot allocate memory
EAL: Failed to mmap 2 MB hugepages
PANIC in rte_eal_init():
Cannot init memory
7: [ovs-vswitchd() [0x411f15]]
6: [/lib64/libc.so.6(__libc_start_main+0xf5) [0x7ff5f6133b15]]
5: [ovs-vswitchd() [0x4106f9]]
4: [ovs-vswitchd() [0x66917d]]
3: [ovs-vswitchd() [0x42b6f5]]
2: [ovs-vswitchd() [0x40dd8c]]
1: [ovs-vswitchd() [0x56b3ba]]
Aborted (core dumped)
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