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  1. WiredTiger
  2. WT-1211

Segfault in eviction

    • Type: Icon: Task Task
    • Resolution: Done
    • WT2.4.0
    • Affects Version/s: None
    • Component/s: None

      From http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/5278/console:

      Program terminated with signal 11, Segmentation fault.
      #0  0x0000000000468141 in __split_deepen (session=0x24a3250, parent=0x26f3340) at ../src/btree/rec_split.c:582
      582				if (child_ref->home == parent) {
      (gdb) where
      #0  0x0000000000468141 in __split_deepen (session=0x24a3250, parent=0x26f3340) at ../src/btree/rec_split.c:582
      WT-1  0x0000000000469080 in __wt_split_evict (session=0x24a3250, ref=0x45752c0, exclusive=0) at ../src/btree/rec_split.c:1021
      WT-2  0x00000000004654b7 in __rec_page_dirty_update (session=0x24a3250, ref=0x45752c0, exclusive=0) at ../src/btree/rec_evict.c:170
      WT-3  0x000000000046520a in __wt_rec_evict (session=0x24a3250, ref=0x45752c0, exclusive=0) at ../src/btree/rec_evict.c:88
      WT-4  0x00000000004569f3 in __wt_evict_page (session=0x24a3250, ref=0x45752c0) at ../src/btree/bt_evict.c:616
      WT-5  0x0000000000457b09 in __wt_evict_lru_page (session=0x24a3250, is_app=0) at ../src/btree/bt_evict.c:1218
      
      (gdb) print child_ref
      $1 = (WT_REF *) 0x330
      

      Here is the CONFIG:

      ############################################
      #  RUN PARAMETERS
      ############################################
      auto_throttle=1
      firstfit=0
      bitcnt=7
      bloom=1
      bloom_bit_count=37
      bloom_hash_count=16
      bloom_oldest=0
      cache=7
      checkpoints=1
      checksum=uncompressed
      chunk_size=10
      compaction=0
      compression=zlib
      data_extend=1
      data_source=file
      delete_pct=8
      dictionary=0
      evict_max=4
      file_type=row-store
      backups=0
      huffman_key=0
      huffman_value=0
      insert_pct=28
      internal_key_truncation=1
      internal_page_max=15
      isolation=read-committed
      key_gap=16
      key_max=62
      key_min=21
      leak_memory=0
      leaf_page_max=11
      logging=0
      merge_max=10
      merge_threads=4
      mmap=1
      ops=100000
      prefix_compression=0
      prefix_compression_min=5
      repeat_data_pct=19
      reverse=0
      rows=100000
      runs=100
      split_pct=42
      statistics=1
      threads=1
      value_max=3623
      value_min=17
      wiredtiger_config=
      write_pct=29
      ############################################
      

            Assignee:
            keith.bostic@mongodb.com Keith Bostic (Inactive)
            Reporter:
            michael.cahill@mongodb.com Michael Cahill (Inactive)
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              Created:
              Updated:
              Resolved: