[root@bogon ~]# gdb /usr/bin/mongod
......
Program received signal SIGILL, Illegal instruction.
0x000055555966d59a in tcmalloc::SizeMap::Init() ()
(gdb) bt
#0  0x000055555966d59a in tcmalloc::SizeMap::Init() ()
#1  0x0000555559675eb7 in tcmalloc::Static::InitStaticVars() ()
#2  0x0000555559677907 in tcmalloc::ThreadCache::InitModule() ()
#3  0x0000555559677a9d in tcmalloc::ThreadCache::CreateCacheIfNecessary() ()
#4  0x0000555559721275 in tcmalloc::allocate_full_malloc_oom(unsigned long) ()
#5  0x00007ffff606c00f in __fopen_internal () from /lib64/libc.so.6
#6  0x00007ffff3768dc2 in selinuxfs_exists () from /lib64/libselinux.so.1
#7  0x00007ffff3760d0c in init_lib () from /lib64/libselinux.so.1
#8  0x00007ffff7ddf8ba in call_init.part () from /lib64/ld-linux-x86-64.so.2
#9  0x00007ffff7ddf9ba in _dl_init () from /lib64/ld-linux-x86-64.so.2
#10 0x00007ffff7dd0fda in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
#11 0x0000000000000001 in ?? ()
#12 0x00007fffffffe620 in ?? ()
#13 0x0000000000000000 in ?? ()