m30100| Wed Jun  6 16:31:55 [initandlisten] connection accepted from 127.0.0.1:51664 #3 (2 connections now open)
sh32465| Wed Jun  6 16:31:55 uncaught exception: intentionally_uncaught
 m30100| Wed Jun  6 16:31:55 [conn3] end connection 127.0.0.1:51664 (1 connection now open)
shellstartparallel.js SUCCESS
dur_passthrough.js end jstests/shellstartparallel.js 1153ms

after run
{ "name" : "jstests/cursora.js" }

dur_passthrough.js run jstests/cursora.js
 m30100| Wed Jun  6 16:31:55 [conn1] CMD: drop test.cursora
 m30100| Wed Jun  6 16:31:55 [conn1] build index test.cursora { _id: 1 }
 m30100| Wed Jun  6 16:31:55 [conn1] build index done.  scanned 0 total records. 0 secs
cursora.js startParallelShell n:1500 atomic:undefined
Wed Jun  6 16:31:55 shell: started program /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongo --eval TestData = {
	"testPath" : "/home/yellow/buildslave/Linux_64bit_DEBUG/mongo/jstests/slowNightly/dur_passthrough.js",
	"testFile" : "dur_passthrough.js",
	"testName" : "dur_passthrough",
	"noJournal" : false,
	"noJournalPrealloc" : false,
	"auth" : false,
	"keyFile" : null,
	"keyFileData" : null
};jsTest.authenticate(db.getMongo());sleep(50); db.cursora.remove( {} ); db.getLastError(); 127.0.0.1:30100
sh32469| MongoDB shell version: 2.1.2-pre-
 m30100| Wed Jun  6 16:31:55 [conn1]  test.cursora Assertion failure cc()._pageFaultRetryableSection == 0 src/mongo/db/pagefault.cpp 38
 m30100| 0xc6998b 0xa1569e 0xa62ed6 0xd6dd31 0xa82a3a 0x8aaa62 0x8ab9e9 0x8aeddd 0x94e7b9 0xc9cd2b 0x8aefca 0xdc82e7 0x900394 0xdc9dbc 0x88701e 0x88723f 0x88575e 0xad4274 0xad3fa3 0x91465c 
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo15printStackTraceERSo+0x27) [0xc6998b]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo10logContextEPKc+0x5e) [0xa1569e]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo12verifyFailedEPKcS1_j+0x124) [0xa62ed6]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo25PageFaultRetryableSectionC1Ev+0x57) [0xd6dd31]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1_+0x78d) [0xa82a3a]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod() [0x8aaa62]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x331) [0x8ab9e9]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo14DBDirectClient4callERNS_7MessageES2_bPSs+0x91) [0x8aeddd]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo14DBClientCursor4initEv+0xd7) [0x94e7b9]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo12DBClientBase5queryERKSsNS_5QueryEiiPKNS_7BSONObjEii+0xeb) [0xc9cd2b]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo14DBDirectClient5queryERKSsNS_5QueryEiiPKNS_7BSONObjEii+0x6e) [0x8aefca]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo5Scope10loadStoredEb+0x193) [0xdc82e7]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo7SMScope12localConnectEPKc+0x3ea) [0x900394]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo11PooledScope12localConnectEPKc+0x3c) [0xdc9dbc]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo5Where4initEv+0xba) [0x88701e]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo5Where4execERKNS_7BSONObjE+0x2b) [0x88723f]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZNK5mongo7Matcher7matchesERKNS_7BSONObjEPNS_12MatchDetailsE+0x8f0) [0x88575e]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZNK5mongo19CoveredIndexMatcher7matchesERKNS_7BSONObjERKNS_7DiskLocEPNS_12MatchDetailsEb+0x264) [0xad4274]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZNK5mongo19CoveredIndexMatcher14matchesCurrentEPNS_6CursorEPNS_12MatchDetailsE+0xdb) [0xad3fa3]
 m30100|  /home/yellow/buildslave/Linux_64bit_DEBUG/mongo/mongod(_ZN5mongo6Cursor14currentMatchesEPNS_12MatchDetailsE+0x5a) [0x91465c]
 m30100| Wed Jun  6 16:31:55 [conn1]