[root@mongodb1 logs]# uname -a
Linux mongodb1 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 15 04:27:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[root@mongodb1 logs]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 61292
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65535
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 61292
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

2016-11-11T20:20:26.324+0800 E -        [conn39211] cannot open /dev/urandom Too many open files
2016-11-11T20:20:26.324+0800 I -        [conn39211] Fatal Assertion 28839
2016-11-11T20:20:26.324+0800 I -        [conn39211]

***aborting after fassert() failure


2016-11-11T20:20:26.423+0800 F -        [conn39211] Got signal: 6 (Aborted).

 0xc71ed2 0xc70e09 0xc71612 0x7fe0535f3790 0x7fe053282625 0x7fe053283e05 0xbf74b2 0xa43703 0x7b14b3 0x7b27cf 0x7896db 0x7a55a7 0x7a7508 0xba67f4 0xba74bd 0xbb5c3d 0xba5bf2 0x697f55 0xc1bf95 0x7fe0535eba51 0x7fe05333893d
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"400000","o":"871ED2","s":"_ZN5mongo15printStackTraceERSo"},{"b":"400000","o":"870E09"},{"b":"400000","o":"871612"},{"b":"7FE0535E4000","o":"F790"},{"b":"7FE053250000","o":"32625","s":"gsignal"},{"b":"7FE053250000","o":"33E05","s":"abort"},{"b":"400000","o":"7F74B2","s":"_ZN5mongo13fassertFailedEi"},{"b":"400000","o":"643703","s":"_ZN5mongo12SecureRandom6createEv"},{"b":"400000","o":"3B14B3","s":"_ZN5mongo31SaslSCRAMSHA1ServerConversation10_firstStepERSt6vectorISsSaISsEEPSs"},{"b":"400000","o":"3B27CF","s":"_ZN5mongo31SaslSCRAMSHA1ServerConversation4stepENS_10StringDataEPSs"},{"b":"400000","o":"3896DB","s":"_ZN5mongo31NativeSaslAuthenticationSession4stepENS_10StringDataEPSs"},{"b":"400000","o":"3A55A7"},{"b":"400000","o":"3A7508"},{"b":"400000","o":"7A67F4","s":"_ZN5mongo7Command22execCommandClientBasicEPNS_16OperationContextEPS0_RNS_11ClientBasicEiPKcRNS_7BSONObjERNS_14BSONObjBuilderE"},{"b":"400000","o":"7A74BD","s":"_ZN5mongo7Command20runAgainstRegisteredEPNS_16OperationContextEPKcRNS_7BSONObjERNS_14BSONObjBuilderEi"},{"b":"400000","o":"7B5C3D","s":"_ZN5mongo8Strategy15clientCommandOpEPNS_16OperationContextERNS_7RequestE"},{"b":"400000","o":"7A5BF2","s":"_ZN5mongo7Request7processEPNS_16OperationContextEi"},{"b":"400000","o":"297F55","s":"_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE"},{"b":"400000","o":"81BF95","s":"_ZN5mongo17PortMessageServer17handleIncomingMsgEPv"},{"b":"7FE0535E4000","o":"7A51"},{"b":"7FE053250000","o":"E893D","s":"clone"}],"processInfo":{ "mongodbVersion" : "3.2.8", "gitVersion" : "ed70e33130c977bda0024c125b56d159573dbaf0", "compiledModules" : [], "uname" : { "sysname" : "Linux", "release" : "2.6.32-504.el6.x86_64", "version" : "#1 SMP Wed Oct 15 04:27:16 UTC 2014", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "F21AE95924560F6FA79AF3D2316609D992A6E7FB" }, { "b" : "7FFF40EAB000", "elfType" : 3, "buildId" : "08E42C6C3D2CD1E5D68A43B717C9EB3D310F2DF0" }, { "b" : "7FE05448B000", "path" : "/usr/lib64/libssl.so.10", "elfType" : 3, "buildId" : "7C5A504A21B221F299B1C45B9ED9C2340AEC6AEB" }, { "b" : "7FE0540A7000", "path" : "/usr/lib64/libcrypto.so.10", "elfType" : 3, "buildId" : "3E83FD82B1AE56360B270189F636423FB3016594" }, { "b" : "7FE053E9F000", "path" : "/lib64/librt.so.1", "elfType" : 3, "buildId" : "58C5A5FF5C82D7BE3113BE36DD87C7004E3C4DB1" }, { "b" : "7FE053C9B000", "path" : "/lib64/libdl.so.2", "elfType" : 3, "buildId" : "B5AE05CEDC0CE917F50A3A468CFA2ACD8592E8F6" }, { "b" : "7FE053A17000", "path" : "/lib64/libm.so.6", "elfType" : 3, "buildId" : "989FE3A42CA8CEBDCC185A743896F23A0CF537ED" }, { "b" : "7FE053801000", "path" : "/lib64/libgcc_s.so.1", "elfType" : 3, "buildId" : "9A6E4BDFA184364D81F7DFD789474C3FB8F98A00" }, { "b" : "7FE0535E4000", "path" : "/lib64/libpthread.so.0", "elfType" : 3, "buildId" : "D467973C46E563CDCF64B5F12B2D6A50C7A25BA1" }, { "b" : "7FE053250000", "path" : "/lib64/libc.so.6", "elfType" : 3, "buildId" : "87A19A61DC011579F3E25DE3CA9778C6FD9E4547" }, { "b" : "7FE0546F7000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "04202A4A8BE624D2193E812A25589E2DD02D5B5C" }, { "b" : "7FE05300C000", "path" : "/lib64/libgssapi_krb5.so.2", "elfType" : 3, "buildId" : "9B852585C66329AA02EFB28497E652A40F538E78" }, { "b" : "7FE052D25000", "path" : "/lib64/libkrb5.so.3", "elfType" : 3, "buildId" : "EF3AACAFD6BF71BB861F194C1559153FB0B020E2" }, { "b" : "7FE052B21000", "path" : "/lib64/libcom_err.so.2", "elfType" : 3, "buildId" : "152E2C18A7A2145021A8A879A01A82EE134E3946" }, { "b" : "7FE0528F5000", "path" : "/lib64/libk5crypto.so.3", "elfType" : 3, "buildId" : "DDE6774979156442185836150FC0785170F8001F" }, { "b" : "7FE0526DF000", "path" : "/lib64/libz.so.1", "elfType" : 3, "buildId" : "5FA8E5038EC04A774AF72A9BB62DC86E1049C4D6" }, { "b" : "7FE0524D4000", "path" : "/lib64/libkrb5support.so.0", "elfType" : 3, "buildId" : "A23DAFBCE170763BF1E836A8B26113F9CD20E0DA" }, { "b" : "7FE0522D1000", "path" : "/lib64/libkeyutils.so.1", "elfType" : 3, "buildId" : "AF374BAFB7F5B139A0B431D3F06D82014AFF3251" }, { "b" : "7FE0520B7000", "path" : "/lib64/libresolv.so.2", "elfType" : 3, "buildId" : "F704FA7D21D05EF31E90FB4890FCA7F3D91DA138" }, { "b" : "7FE051E98000", "path" : "/lib64/libselinux.so.1", "elfType" : 3, "buildId" : "B4576BE308DDCF7BC31F7304E4734C3D846D0236" } ] }}
 mongos(_ZN5mongo15printStackTraceERSo+0x32) [0xc71ed2]
 mongos(+0x870E09) [0xc70e09]
 mongos(+0x871612) [0xc71612]
 libpthread.so.0(+0xF790) [0x7fe0535f3790]
 libc.so.6(gsignal+0x35) [0x7fe053282625]
 libc.so.6(abort+0x175) [0x7fe053283e05]
 mongos(_ZN5mongo13fassertFailedEi+0x82) [0xbf74b2]
 mongos(_ZN5mongo12SecureRandom6createEv+0x223) [0xa43703]
 mongos(_ZN5mongo31SaslSCRAMSHA1ServerConversation10_firstStepERSt6vectorISsSaISsEEPSs+0x17F3) [0x7b14b3]
 mongos(_ZN5mongo31SaslSCRAMSHA1ServerConversation4stepENS_10StringDataEPSs+0x34F) [0x7b27cf]
 mongos(_ZN5mongo31NativeSaslAuthenticationSession4stepENS_10StringDataEPSs+0x2B) [0x7896db]
 mongos(+0x3A55A7) [0x7a55a7]
 mongos(+0x3A7508) [0x7a7508]
 mongos(_ZN5mongo7Command22execCommandClientBasicEPNS_16OperationContextEPS0_RNS_11ClientBasicEiPKcRNS_7BSONObjERNS_14BSONObjBuilderE+0x6E4) [0xba67f4]
 mongos(_ZN5mongo7Command20runAgainstRegisteredEPNS_16OperationContextEPKcRNS_7BSONObjERNS_14BSONObjBuilderEi+0x2ED) [0xba74bd]
 mongos(_ZN5mongo8Strategy15clientCommandOpEPNS_16OperationContextERNS_7RequestE+0x19D) [0xbb5c3d]
 mongos(_ZN5mongo7Request7processEPNS_16OperationContextEi+0x672) [0xba5bf2]
 mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x65) [0x697f55]
 mongos(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x325) [0xc1bf95]
 libpthread.so.0(+0x7A51) [0x7fe0535eba51]
 libc.so.6(clone+0x6D) [0x7fe05333893d]
-----  END BACKTRACE  -----