[dpdk-dev] mmap fails with more than 40000 hugepages

Linhaifeng haifeng.lin at huawei.com
Fri Feb 6 03:04:12 CET 2015
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On 2015/2/5 20:00, Damjan Marion (damarion) wrote:
> Hi,
> 
> I have system with 2 NUMA nodes and 256G RAM total. I noticed that DPDK crashes in rte_eal_init()
> when number of available hugepages is around 40000 or above.
> Everything works fine with lower values (i.e. 30000).
> 
> I also tried with allocating 40000 on node0 and 0 on node1, same crash happens.
> 
> 
> Any idea what might be causing this?
> 
> Thanks,
> 
> Damjan
> 

cat /proc/sys/vm/max_map_count


> 
> $ cat /sys/devices/system/node/node[01]/hugepages/hugepages-2048kB/nr_hugepages
> 20000
> 20000
> 
> $ grep -i huge /proc/meminfo
> AnonHugePages:    706560 kB
> HugePages_Total:   40000
> HugePages_Free:    40000
> HugePages_Rsvd:        0
> HugePages_Surp:        0
> Hugepagesize:       2048 kB
> 
> 
> $ sudo ~/src/dpdk/x86_64-native-linuxapp-gcc/app/testpmd -l 5-7 -n 3 --socket-mem 512,512
> EAL: Detected lcore 0 as core 0 on socket 0
> EAL: Detected lcore 1 as core 1 on socket 0
> EAL: Detected lcore 2 as core 2 on socket 0
> EAL: Detected lcore 3 as core 3 on socket 0
> EAL: Detected lcore 4 as core 4 on socket 0
> EAL: Detected lcore 5 as core 5 on socket 0
> EAL: Detected lcore 6 as core 6 on socket 0
> EAL: Detected lcore 7 as core 7 on socket 0
> EAL: Detected lcore 8 as core 0 on socket 1
> EAL: Detected lcore 9 as core 1 on socket 1
> EAL: Detected lcore 10 as core 2 on socket 1
> EAL: Detected lcore 11 as core 3 on socket 1
> EAL: Detected lcore 12 as core 4 on socket 1
> EAL: Detected lcore 13 as core 5 on socket 1
> EAL: Detected lcore 14 as core 6 on socket 1
> EAL: Detected lcore 15 as core 7 on socket 1
> EAL: Detected lcore 16 as core 0 on socket 0
> EAL: Detected lcore 17 as core 1 on socket 0
> EAL: Detected lcore 18 as core 2 on socket 0
> EAL: Detected lcore 19 as core 3 on socket 0
> EAL: Detected lcore 20 as core 4 on socket 0
> EAL: Detected lcore 21 as core 5 on socket 0
> EAL: Detected lcore 22 as core 6 on socket 0
> EAL: Detected lcore 23 as core 7 on socket 0
> EAL: Detected lcore 24 as core 0 on socket 1
> EAL: Detected lcore 25 as core 1 on socket 1
> EAL: Detected lcore 26 as core 2 on socket 1
> EAL: Detected lcore 27 as core 3 on socket 1
> EAL: Detected lcore 28 as core 4 on socket 1
> EAL: Detected lcore 29 as core 5 on socket 1
> EAL: Detected lcore 30 as core 6 on socket 1
> EAL: Detected lcore 31 as core 7 on socket 1
> EAL: Support maximum 128 logical core(s) by configuration.
> EAL: Detected 32 lcore(s)
> EAL: VFIO modules not all loaded, skip VFIO support...
> EAL: Setting up memory...
> EAL: Ask a virtual area of 0x800000 bytes
> EAL: Virtual area found at 0x7fae2a200000 (size = 0x800000)
> EAL: Ask a virtual area of 0x7600000 bytes
> EAL: Virtual area found at 0x7fae22a00000 (size = 0x7600000)
> EAL: Ask a virtual area of 0x1400000 bytes
> EAL: Virtual area found at 0x7fae21400000 (size = 0x1400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fae21000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fae20a00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fae20600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fae20200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fae1fe00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x5800000 bytes
> EAL: Virtual area found at 0x7fae1a400000 (size = 0x5800000)
> EAL: Ask a virtual area of 0x3b200000 bytes
> EAL: Virtual area found at 0x7faddf000000 (size = 0x3b200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7faddea00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x7c00000 bytes
> EAL: Virtual area found at 0x7fadd6c00000 (size = 0x7c00000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fadd6800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fadd6400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fadd6000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fadd5c00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fadd5800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x9800000 bytes
> EAL: Virtual area found at 0x7fadcbe00000 (size = 0x9800000)
> EAL: Ask a virtual area of 0x19000000 bytes
> EAL: Virtual area found at 0x7fadb2c00000 (size = 0x19000000)
> EAL: Ask a virtual area of 0x24400000 bytes
> EAL: Virtual area found at 0x7fad8e600000 (size = 0x24400000)
> EAL: Ask a virtual area of 0xc800000 bytes
> EAL: Virtual area found at 0x7fad81c00000 (size = 0xc800000)
> EAL: Ask a virtual area of 0x32000000 bytes
> EAL: Virtual area found at 0x7fad4fa00000 (size = 0x32000000)
> EAL: Ask a virtual area of 0x3db800000 bytes
> EAL: Virtual area found at 0x7fa974000000 (size = 0x3db800000)
> EAL: Ask a virtual area of 0xfa000000 bytes
> EAL: Virtual area found at 0x7fa879e00000 (size = 0xfa000000)
> EAL: Ask a virtual area of 0x168400000 bytes
> EAL: Virtual area found at 0x7fa711800000 (size = 0x168400000)
> EAL: Ask a virtual area of 0x7d000000 bytes
> EAL: Virtual area found at 0x7fa694600000 (size = 0x7d000000)
> EAL: Ask a virtual area of 0x1f4000000 bytes
> EAL: Virtual area found at 0x7fa4a0400000 (size = 0x1f4000000)
> EAL: Ask a virtual area of 0x2e400000 bytes
> EAL: Virtual area found at 0x7fa471e00000 (size = 0x2e400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa471a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa471600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa471200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa470e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa470a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa470600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa470200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46fe00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46fa00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa46f400000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46f000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa46ea00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46e600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46e200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46de00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46da00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46d600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa46d000000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46cc00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46c800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46c400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46c000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46bc00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46b800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46b400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46b000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa46aa00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46a600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa46a200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa469e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa469a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa469600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa469200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa468e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa468a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa468600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa468200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa467e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa467800000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa467400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa467000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa466c00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa466600000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa466200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa465e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa465a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa465600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa465000000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa464a00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa464600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa464200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa463e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa463a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa463600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa463200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa462e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa462a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa462600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa462200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa461c00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa461800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa461400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa461000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa460c00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa460800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa460400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa460000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45fc00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45f800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa45f200000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ee00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ea00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45e600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45e200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45de00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45da00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45d600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45d200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ce00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ca00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45c600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45c200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45be00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ba00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45b600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa45b000000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45ac00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa45a800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa45a200000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa459e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa459a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa459600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa459200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa458c00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fa458600000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa458200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa457e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa457a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa457600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa457200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa456e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa456a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fa456600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x139400000 bytes
> EAL: Virtual area found at 0x7fa31d000000 (size = 0x139400000)
> EAL: Ask a virtual area of 0xe9000000 bytes
> EAL: Virtual area found at 0x7fa233e00000 (size = 0xe9000000)
> EAL: Ask a virtual area of 0x188000000 bytes
> EAL: Virtual area found at 0x7fa0abc00000 (size = 0x188000000)
> EAL: map_all_hugepages(): mmap failed: Cannot allocate memory
> EAL: Failed to remap 2 MB pages
> PANIC in rte_eal_init():
> Cannot init memory
> Aborted (core dumped)
> 
> 
> 
> 
> .
> 

-- 
Regards,
Haifeng
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