Java crash in libjvm.so due to LargePages

Solution Unverified - Updated -

Issue

  • Fatal error log shows the following:
...
# Problematic frame:
# V  [libjvm.so+0x906001]
...

---------------  T H R E A D  ---------------

Current thread (0x00007f9a6c098000):  VMThread [stack: 0x00007f9a3ab68000,0x00007f9a3ac69000] [id=27694]

siginfo: si_signo: 11 (SIGSEGV), si_code: 128 (SI_KERNEL), si_addr: 0x0000000000000000

...
  • xsos output shows nearly all of system memory assigned to HugePages:

MEMORY
  Stats graphed as percent of MemTotal:
    MemUsed    ▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊  99.8%
    Buffers    ..................................................   0.0%
    Cached     ..................................................   0.2%
    HugePages  ▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊▊.  98.5%
    Dirty      ..................................................   0.0%
  RAM:
    62.9 GiB total ram
    62.8 GiB (100%) used
    62.6 GiB (100%) used excluding Buffers/Cached
    0.01 GiB (0%) dirty
  HugePages:
    62 GiB pre-allocated to HugePages (99% of total ram)
    0 GiB of HugePages (0%) in-use by applications
  LowMem/Slab/PageTables/Shmem:
    0.1 GiB (0%) of total ram used for Slab
    0.01 GiB (0%) of total ram used for PageTables
    0 GiB (0%) of total ram used for Shmem
  Swap:

Environment

  • OpenJDK 1.8

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