this happened again this time there is some kind of a log:

on Oct 18 04:37:41 [conn329] running multiple plans
Mon Oct 18 04:37:41 [conn324] query caches.objects ntoreturn:1 idhack
reslen:4078 24ms
Mon Oct 18 04:37:43 [conn323] JS Error: out of memory nofile_a:0
Mon Oct 18 04:37:43 [conn323] Assertion: 13072:JS_NewObject failed:
NumberLong1
0x54098e 0x5f9883 0x5f8b42 0x5ecc07 0x9015c9 0x9011a6 0x902906
0x8e28be 0x8d2030 0x8d2479 0x88fe02 0x5fa1bc 0x5ba301 0x6eb872
0x6164b1 0x73a5a6 0x7423c7 0x7468b2 0x74740f 0x747e57
/usr/bin/mongod(_ZN5mongo11msgassertedEiPKc+0x1de) [0x54098e]
/usr/bin/mongod(_ZN5mongo9Convertor5tovalERKNS_11BSONElementE+0x17a3)
[0x5f9883]
/usr/bin/mongod(_ZN5mongo9Convertor5tovalERKNS_11BSONElementE+0xa62)
[0x5f8b42]
/usr/bin/
mongod(ZN5mongo16resolveBSONFieldEP9JSContextP8JSObjectljPS3+0x377)
[0x5ecc07]
/usr/bin/mongod(js_LookupPropertyWithFlags+0x421) [0x9015c9]
/usr/bin/mongod(js_LookupProperty+0x49) [0x9011a6]
/usr/bin/mongod(js_GetProperty+0xff) [0x902906]
/usr/bin/mongod(js_Interpret+0xed54) [0x8e28be]
/usr/bin/mongod(js_Invoke+0xef2) [0x8d2030]
/usr/bin/mongod(js_InternalInvoke+0x189) [0x8d2479]
/usr/bin/mongod(JS_CallFunction+0x56) [0x88fe02]
/usr/bin/mongod(_ZN5mongo7SMScope6invokeEP10JSFunctionRKNS_7BSONObjEib
+0x2ec) [0x5fa1bc]
/usr/bin/
mongod(_ZN5mongo7Matcher7matchesERKNS_7BSONObjEPNS_12MatchDetailsE
+0xfc1) [0x5ba301]
/usr/bin/
mongod(_ZN5mongo19CoveredIndexMatcher7matchesERKNS_7BSONObjERKNS_7DiskLocEPNS_12MatchDetailsE
+0xe2) [0x6eb872]
/usr/bin/mongod(_ZN5mongo11UserQueryOp4nextEv+0x2a1) [0x6164b1]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner6nextOpERNS_7QueryOpE
+0x56) [0x73a5a6]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner3runEv+0x6f7)
[0x7423c7]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet5runOpERNS_7QueryOpE+0x232)
[0x7468b2]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner9runOpOnceERNS_7QueryOpE
+0x5f) [0x74740f]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner5runOpERNS_7QueryOpE+0x17)
[0x747e57]
Mon Oct 18 04:37:44 Got signal: 11 (Segmentation fault).

Mon Oct 18 04:37:44 Backtrace:
0x8212f9 0x7f2459b7d040 0x8cdbf0 0x8ce2ac 0x8cc360 0x8fefe7 0x88b2c0
0x5f792d 0x5f7f5a 0x5ba25d 0x6eb872 0x6164b1 0x73a5a6 0x7423c7
0x7468b2 0x74740f 0x747e57 0x5ff6aa 0x70547a 0x708ab6
/usr/bin/mongod(_ZN5mongo10abruptQuitEi+0x399) [0x8212f9]
/lib/libc.so.6 [0x7f2459b7d040]
/usr/bin/mongod(js_MarkStackFrame+0x191) [0x8cdbf0]
/usr/bin/mongod(js_GC+0x3b8) [0x8ce2ac]
/usr/bin/mongod(js_NewGCThing+0xd7) [0x8cc360]
/usr/bin/mongod(js_NewObject+0xe4) [0x8fefe7]
/usr/bin/mongod(JS_NewObject+0x3f) [0x88b2c0]
/usr/bin/mongod(_ZN5mongo9Convertor10toJSObjectEPKNS_7BSONObjEb+0x8d)
[0x5f792d]
/usr/bin/mongod(_ZN5mongo7SMScope7setThisEPKNS_7BSONObjE+0x6a)
[0x5f7f5a]
/usr/bin/
mongod(_ZN5mongo7Matcher7matchesERKNS_7BSONObjEPNS_12MatchDetailsE
+0xf1d) [0x5ba25d]
/usr/bin/
mongod(_ZN5mongo19CoveredIndexMatcher7matchesERKNS_7BSONObjERKNS_7DiskLocEPNS_12MatchDetailsE
+0xe2) [0x6eb872]
/usr/bin/mongod(_ZN5mongo11UserQueryOp4nextEv+0x2a1) [0x6164b1]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner6nextOpERNS_7QueryOpE
+0x56) [0x73a5a6]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner3runEv+0x6f7)
[0x7423c7]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet5runOpERNS_7QueryOpE+0x232)
[0x7468b2]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner9runOpOnceERNS_7QueryOpE
+0x5f) [0x74740f]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner5runOpERNS_7QueryOpE+0x17)
[0x747e57]
/usr/bin/
mongod(ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1
+0x103a) [0x5ff6aa]
/usr/bin/mongod [0x70547a]
/usr/bin/
mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_8SockAddrE
+0x14d6) [0x708ab6]

Mon Oct 18 04:37:44 dbexit:

On Oct 12, 12:30 pm, sirpy <had...@gmail.com> wrote:
> I'm running mongodb 1.6.2, on ubuntu. I use the /etc/init.d/mongod
> script to start the database. thelogfile is configured correctly in /
> etc/mongod.conf.
> The server seems tocrashin an environment where there are many
> simultaneous requests.
> There is no trace of thecrashin thelogfiles. I just see that the
> drivers stop getting a response from the server and the mongod process
> is gone.
>
> What could be the reason for thecrash, and how can I make mongolog
> thecrashreason, or show some kind of trace?