Possibly related to SERVER-9547 which demonstrates that:
db.docs.drop() for (var i=0; i<10; i++) { db.docs.insert({number: i}) } db.docs.ensureIndex({number: 1})
with a descending sort
db.docs.find().max({number: 4}).sort({number: -1})
returns 0 documents.
On my system with a debug build of mongoDB, instead it crashes my server.
Mon May 06 10:25:34 [conn1] TESTCRASH.docs Assertion failure la <= 0xffffff c:\mongodb\src\mongo\db\btree.h 243 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\util\stacktrace.cpp(161) mongo::printStackTrace+0x5b Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\util\log.cpp(435) mongo::logContext+0x72 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\util\assert_util.cpp(109) mongo::verifyFailed+0x190 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btree.h(243) mongo::DiskLoc56Bit::operator=+0x7a Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(751) mongo::BtreeBucket<mongo::BtreeData_V1>::find+0x64 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(1512) mongo::BtreeBucket<mongo::BtreeData_V1>::locate+0x74 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(1506) mongo::BtreeBucket<mongo::BtreeData_V1>::locate+0xd2 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(173) mongo::BtreeCursorImpl<mongo::BtreeData_V1>::_locate+0xdd Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(289) mongo::BtreeCursor::initWithoutIndependentFieldRanges+0x1df Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(227) mongo::BtreeCursor::make+0xba Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\queryoptimizer.cpp(296) mongo::QueryPlan::newCursor+0x388 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(821) mongo::CursorGenerator::singlePlanCursor+0x189 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(845) mongo::CursorGenerator::generate+0xbf Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(724) mongo::NamespaceDetailsTransient::getCursor+0xbf Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\ops\query.cpp(662) mongo::queryWithQueryOptimizer+0x1a9 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\ops\query.cpp(1015) mongo::runQuery+0x112f Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(244) mongo::receivedQuery+0x155 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(390) mongo::assembleResponse+0x37d Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\db\db.cpp(192) mongo::MyMessageHandler::process+0x133 Mon May 06 10:25:38 [conn1] mongod.exe ...\src\mongo\util\net\message_server_port.cpp(86) mongo::pms::threadRun+0x638 Mon May 06 10:25:38 [conn1] *** unhandled exception 0x80000003 at 0x000007FEFDF03172, terminating Mon May 06 10:25:38 [conn1] *** stack trace for unhandled exception: Mon May 06 10:25:39 [conn1] KERNELBASE.dll DebugBreak+0x2 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\util\debug_util.cpp(46) mongo::mongo_breakpoint+0x22 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\util\debug_util.h(65) mongo::breakpoint+0x25 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\util\assert_util.cpp(116) mongo::verifyFailed+0x2b0 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btree.h(243) mongo::DiskLoc56Bit::operator=+0x7a Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(751) mongo::BtreeBucket<mongo::BtreeData_V1>::find+0x64 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(1512) mongo::BtreeBucket<mongo::BtreeData_V1>::locate+0x74 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btree.cpp(1506) mongo::BtreeBucket<mongo::BtreeData_V1>::locate+0xd2 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(173) mongo::BtreeCursorImpl<mongo::BtreeData_V1>::_locate+0xdd Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(289) mongo::BtreeCursor::initWithoutIndependentFieldRanges+0x1df Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\btreecursor.cpp(227) mongo::BtreeCursor::make+0xba Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\queryoptimizer.cpp(296) mongo::QueryPlan::newCursor+0x388 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(821) mongo::CursorGenerator::singlePlanCursor+0x189 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(845) mongo::CursorGenerator::generate+0xbf Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\queryoptimizercursorimpl.cpp(724) mongo::NamespaceDetailsTransient::getCursor+0xbf Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\ops\query.cpp(662) mongo::queryWithQueryOptimizer+0x1a9 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\ops\query.cpp(1015) mongo::runQuery+0x112f Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(244) mongo::receivedQuery+0x155 Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(390) mongo::assembleResponse+0x37d Mon May 06 10:25:39 [conn1] mongod.exe ...\src\mongo\db\db.cpp(192) mongo::MyMessageHandler::process+0x133 Mon May 06 10:25:39 [conn1] writing minidump diagnostic file mongo.dmp
- duplicates
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SERVER-3766 Assertion failure la <= 0xffffff db/btree.h when creating BtreeCursor with direction -1 and max/min bounds
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- Closed
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