Segmentation fault in MongoDB shell

Binary package hint: mongodb

A segmentation fault occurs when I query via the MongoDB shell:

 $ mongo askubuntu
 MongoDB shell version: 1.6.3
 Fri May 27 09:25:04 *** warning: spider monkey build without utf8 support. consider rebuilding with utf8 support
 connecting to: askubuntu
 > printjson(db.questions.findOne({}))
 error:non ascii character detected
 > printjson(db.questions.findOne({}))
 Fri May 27 09:25:20 mongo got signal 11 (Segmentation fault), stack trace:

 Fri May 27 09:25:20 0x45e03f 0x457694 0x7f69ec0ebd80 0x7f69ed04fcfa 0x7f69ecfc149e 0x7f69ecfc1592 0x7f69ecfc1632 0x4d836b 0x45a67c 0x45b1d6 0x7f69ec0d6eff 0x456449
  /usr/lib/mongodb/mongo(_ZN5mongo15printStackTraceERSo+0x1f) [0x45e03f]
  /usr/lib/mongodb/mongo(_Z12quitAbruptlyi+0x324) [0x457694]
  /lib/x86_64-linux-gnu/libc.so.6(+0x33d80) [0x7f69ec0ebd80]
  /usr/lib/xulrunner-2.0/libmozjs.so(+0xdacfa) [0x7f69ed04fcfa]
  /usr/lib/xulrunner-2.0/libmozjs.so(JS_EvaluateUCScriptForPrincipals+0xbe) [0x7f69ecfc149e]
  /usr/lib/xulrunner-2.0/libmozjs.so(JS_EvaluateScriptForPrincipals+0x72) [0x7f69ecfc1592]
  /usr/lib/xulrunner-2.0/libmozjs.so(JS_EvaluateScript+0x22) [0x7f69ecfc1632]
  /usr/lib/mongodb/mongo(_ZN5mongo7SMScope4execERKSsS2_bbbi+0x16b) [0x4d836b]
  /usr/lib/mongodb/mongo(_Z5_mainiPPc+0x19dc) [0x45a67c]
  /usr/lib/mongodb/mongo(main+0x26) [0x45b1d6]
  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xff) [0x7f69ec0d6eff]
  /usr/lib/mongodb/mongo() [0x456449]

Querying via the simple REST interface returns:

 $ wget 'http://localhost:28017/askubuntu/questions/?limit=1' -qO -
 {
   "offset" : 0,
   "rows": [
     { "_id" : 44925, "up_vote_count" : 5, "last_activity_date" : 1306265695, "title" : "How can I create a filesystem \"view\" of a folder that excludes certain files?", "down_vote_count" : 0, "creation_date" : 1306248242, "question_answers_url" : "/questions/44925/answers", "favorite_count" : 0, "answer_count" : 2, "tags" : [ "filesystem", "mount", "backup" ], "question_comments_url" : "/questions/44925/comments", "community_owned" : false, "score" : 5, "view_count" : 60, "owner" : { "reputation" : 7011, "user_type" : "registered", "email_hash" : "48b9e694b655c6d990b58c93a666c40d", "user_id" : 1859, "display_name" : "ændrük" }, "question_timeline_url" : "/questions/44925/timeline", "answers" : [ { "question_id" : 44925, "up_vote_count" : 2, "last_activity_date" : 1306250655, "title" : "How can I create a filesystem \"view\" of a folder that excludes certain files?", "down_vote_count" : 0, "creation_date" : 1306250172, "last_edit_date" : 1306250655, "community_owned" : false, "answer_id" : 44933, "score" : 2, "answer_comments_url" : "/answers/44933/comments", "accepted" : false, "view_count" : 60, "owner" : { "reputation" : 24772, "user_type" : "moderator", "email_hash" : "f0af40756420859b5b63cbceb6d30505", "user_id" : 449, "display_name" : "Oli" } }, { "question_id" : 44925, "up_vote_count" : 1, "last_activity_date" : 1306265695, "title" : "How can I create a filesystem \"view\" of a folder that excludes certain files?", "down_vote_count" : 0, "creation_date" : 1306265695, "community_owned" : false, "answer_id" : 44974, "score" : 1, "answer_comments_url" : "/answers/44974/comments", "accepted" : false, "view_count" : 60, "owner" : { "reputation" : 7011, "user_type" : "registered", "email_hash" : "48b9e694b655c6d990b58c93a666c40d", "user_id" : 1859, "display_name" : "ændrük" } } ] }
   ],

   "total_rows" : 1 ,
   "query" : {} ,
   "millis" : 0
 }

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: mongodb 1:1.6.3-1ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Fri May 27 09:26:46 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mongodb
UpgradeStatus: No upgrade log present (probably fresh install)