Details
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Bug
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Resolution: Fixed
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Blocker
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4.5.0
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Untriaged
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No
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ForestDB: Oct 17 - Nov 4
Description
Build
4.5.0-2363
Testcase
./testrunner -i INI_FILE.ini -p get-cbcollect-info=True,get-coredumps=True,get-logs=False,stop-on-failure=False,GROUP=P1 -t fts.stable_topology_fts.StableTopFTS.index_query_in_parallel,items=1000000,num_queries=200,GROUP=P1
Multiple crashes seen in few mins. Kernel panics on vm and it goes offline. This may not be reproducible again. I've saved breakpad dump file, forestdb file at 172.23.107.187:/root/new_segv/
In fts.log
[FDB ERR] Read error: read offset 492866064413323264 exceeds the file's current offset 676913152 in a database file '/opt/couchbase/var/lib/couchbase/data/@fts/default_index_b8d513879b504b53_cd5a61e8.pindex/store.0'
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[FDB ERR] Failed to read the B+-Tree block (block id: 120328629007159, block address: 0x7f4eba047000)
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Caught SIGSEGV in libforestdb at (null)
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Breakpad caught a crash in forestdb. Writing crash dump to ./41c96036-be6c-0896-7bdad671-68f166db.dmp before terminating.
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GDBing breakpad generated core:
(gdb) bt
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#0 _fetch_bnode (btree=0x7f4f6f3bda90, key=Cannot access memory at address 0x7f4f6f3bc950
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) at /home/couchbase/jenkins/workspace/watson-unix/forestdb/src/btree.cc:50
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#1 btree_find (btree=0x7f4f6f3bda90, key=Cannot access memory at address 0x7f4f6f3bc950
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) at /home/couchbase/jenkins/workspace/watson-unix/forestdb/src/btree.cc:688
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Cannot access memory at address 0x7f4f6f3bc998
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