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Type: Bug
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Resolution: Done
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Priority: Major - P3
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Affects Version/s: None
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Component/s: Replication
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ALL
Doesn't happen in 2.6.
Upstream version:
commit 0e9cb3b20498b9f167afaff7a5c4a4d1da7e06a2 Author: Dan Pasette <dan@10gen.com> Date: Wed Oct 22 14:10:37 2014 -0400 BUMP 2.7.8
Relevant bits in the log:
2014-10-28T23:19:30.836+0000 I INDEXING [rsSync] allocating new ns file /home/ec2-user//mongo/repl2/thisdb1.ns, filling with zeroes... 2014-10-28T23:19:30.951+0000 I STORAGE [FileAllocator] allocating new datafile /home/ec2-user//mongo/repl2/thisdb1.0, filling with zeroes... 2014-10-28T23:19:30.953+0000 I STORAGE [FileAllocator] done allocating datafile /home/ec2-user//mongo/repl2/thisdb1.0, size: 64MB, took 0.002 secs 2014-10-28T23:19:30.955+0000 I INDEXING [rsSync] build index on: thisdb1.mycoll1 properties: { v: 1, key: { _id: 1 }, name: "_id_", ns: "thisdb1.mycoll1" } 2014-10-28T23:19:30.955+0000 I INDEXING [rsSync] building index using bulk method 2014-10-28T23:19:30.955+0000 I INDEXING [rsSync] build index done. scanned 19 total records. 0 secs 2014-10-28T23:19:30.955+0000 I REPLSETS [rsSync] initial sync cloning db: thisdb10 2014-10-28T23:19:30.959+0000 I INDEXING [rsSync] allocating new ns file /home/ec2-user//mongo/repl2/thisdb10.ns, filling with zeroes... 2014-10-28T23:19:31.081+0000 I STORAGE [FileAllocator] allocating new datafile /home/ec2-user//mongo/repl2/thisdb10.0, filling with zeroes... 2014-10-28T23:19:31.083+0000 I STORAGE [FileAllocator] done allocating datafile /home/ec2-user//mongo/repl2/thisdb10.0, size: 64MB, took 0.001 secs 2014-10-28T23:19:31.085+0000 I INDEXING [rsSync] build index on: thisdb10.mycoll10 properties: { v: 1, key: { _id: 1 }, name: "_id_", ns: "thisdb10.mycoll10" } 2014-10-28T23:19:31.085+0000 I INDEXING [rsSync] building index using bulk method 2014-10-28T23:19:31.086+0000 I INDEXING [rsSync] build index done. scanned 87 total records. 0 secs 2014-10-28T23:19:31.086+0000 I REPLSETS [rsSync] initial sync cloning db: thisdb15 2014-10-28T23:19:31.089+0000 I INDEXING [rsSync] allocating new ns file /home/ec2-user//mongo/repl2/thisdb15.ns, filling with zeroes... 2014-10-28T23:19:31.224+0000 I STORAGE [FileAllocator] allocating new datafile /home/ec2-user//mongo/repl2/thisdb15.0, filling with zeroes... 2014-10-28T23:19:31.226+0000 I STORAGE [FileAllocator] done allocating datafile /home/ec2-user//mongo/repl2/thisdb15.0, size: 64MB, took 0.001 secs 2014-10-28T23:19:31.229+0000 I INDEXING [rsSync] build index on: thisdb15.mycoll15 properties: { v: 1, key: { _id: 1 }, name: "_id_", ns: "thisdb15.mycoll15" } 2014-10-28T23:19:31.229+0000 I INDEXING [rsSync] building index using bulk method 2014-10-28T23:19:31.229+0000 I INDEXING [rsSync] build index done. scanned 70 total records. 0 secs 2014-10-28T23:19:31.229+0000 I REPLSETS [rsSync] initial sync data copy, starting syncup 2014-10-28T23:19:31.229+0000 I REPLSETS [rsSync] oplog sync 1 of 3 2014-10-28T23:19:44.087+0000 F - [repl prefetch worker] Invalid access at address: 0 2014-10-28T23:19:44.091+0000 F - [repl prefetch worker] Got signal: 11 (Segmentation fault). 0xf23939 0xf234f2 0xf2381e 0x7fb51092f5b0 0x90a844 0xb71552 0xca8c86 0xec7b1b 0xf70464 0x7fb510927f18 0x7fb50fa39b9d ----- BEGIN BACKTRACE ----- {"backtrace":[{"b":"400000","o":"B23939"},{"b":"400000","o":"B234F2"},{"b":"400000","o":"B2381E"},{"b":"7FB510920000","o":"F5B0"},{"b":"400000","o":"50A844"},{"b":"400000","o":"771552"},{"b":"400000","o":"8A8C86"},{"b":"400000","o":"AC7B1B"},{"b":"400000","o":"B70464"},{"b":"7FB510920000","o":"7F18"},{"b":"7FB50F957000","o":"E2B9D"}],"processInfo":{ "mongodbVersion" : "2.7.8", "gitVersion" : "0e9cb3b20498b9f167afaff7a5c4a4d1da7e06a2", "uname" : { "sysname" : "Linux", "release" : "3.10.42-52.145.amzn1.x86_64", "version" : "#1 SMP Tue Jun 10 23:46:43 UTC 2014", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "FE60E5821707057A6DA7704117413DA4FD0406B6" }, { "b" : "7FFFC8AFE000", "elfType" : 3, "buildId" : "422398C00613A4323A5E0C656ED6BE4BCFF5FD15" }, { "b" : "7FB510920000", "path" : "/lib64/libpthread.so.0", "elfType" : 3, "buildId" : "A8E8015F84374807F6920DF95D16BBAAAC02AB41" }, { "b" : "7FB510718000", "path" : "/lib64/librt.so.1", "elfType" : 3, "buildId" : "CC3700E5EACA3A520D1FD1BA3B469F2EFB1B8F11" }, { "b" : "7FB510514000", "path" : "/lib64/libdl.so.2", "elfType" : 3, "buildId" : "3D5EB706F159BCCB9A3B3E5F528B512E2C500F90" }, { "b" : "7FB510210000", "path" : "/usr/lib64/libstdc++.so.6", "elfType" : 3, "buildId" : "DD6383EEAC49E9BAA9E3D1080AE932F42CF8A385" }, { "b" : "7FB50FF12000", "path" : "/lib64/libm.so.6", "elfType" : 3, "buildId" : "226E54A756FDC288551092B4FDE818C8D6D6FC04" }, { "b" : "7FB50FCFC000", "path" : "/lib64/libgcc_s.so.1", "elfType" : 3, "buildId" : "C52958E393BDF8E8D090F36DE0F4E620D8736FBF" }, { "b" : "7FB50F957000", "path" : "/lib64/libc.so.6", "elfType" : 3, "buildId" : "AD1B9E9119DEDF5A95178C0EA240EEBDE71147B6" }, { "b" : "7FB510B3C000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "37F70DE2ABEA184F24518EB5CC538FF0F54E081F" } ] }} mongod(_ZN5mongo15printStackTraceERSo+0x29) [0xf23939] mongod(+0xB234F2) [0xf234f2] mongod(+0xB2381E) [0xf2381e] libpthread.so.0(+0xF5B0) [0x7fb51092f5b0] mongod(_ZN5mongo8Database13getCollectionEPNS_16OperationContextERKNS_10StringDataE+0x24) [0x90a844] mongod(_ZN5mongo4repl28prefetchPagesForReplicatedOpEPNS_16OperationContextEPNS_8DatabaseERKNS_7BSONObjE+0x152) [0xb71552] mongod(_ZN5mongo4repl8SyncTail10prefetchOpERKNS_7BSONObjE+0xB6) [0xca8c86] mongod(_ZN5mongo10threadpool6Worker4loopEv+0x2FB) [0xec7b1b] mongod(+0xB70464) [0xf70464] libpthread.so.0(+0x7F18) [0x7fb510927f18] libc.so.6(clone+0x6D) [0x7fb50fa39b9d] ----- END BACKTRACE -----