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  1. WiredTiger
  2. WT-658

test/format failure: ins_head->head[i] != NULL

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    Details

    • Type: Task
    • Status: Closed
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: WT1.6.5
    • Component/s: None
    • Labels:

      Description

      A test/format core dump, an assert in the __split_row_page_inmem code.

      t, file:wt.wt, session.checkpoint: ../src/btree/rec_split.c, 176: ins_head->head[i] != NULL
       
      WT-4  0x000000000043454d in __wt_assert (session=0x8eda30, error=0, 
          file_name=0x676015 "../src/btree/rec_split.c", line_number=176, 
          fmt=0x676012 "%s") at ../src/support/err.c:408
      WT-5  0x0000000000453e4c in __split_row_page_inmem (session=0x8eda30, 
          orig=0x7fffc40015a0) at ../src/btree/rec_split.c:176
      WT-6  0x0000000000454168 in __wt_split_page_inmem (session=0x8eda30, 
          page=0x7fffc40015a0) at ../src/btree/rec_split.c:248
      WT-7  0x0000000000451843 in __wt_rec_evict (session=0x8eda30, 
          page=0x7fffc40015a0, exclusive=0) at ../src/btree/rec_evict.c:71
      WT-8  0x000000000043e967 in __wt_evict_page (session=0x8eda30, 
          page=0x7fffc40015a0) at ../src/btree/bt_evict.c:355
      WT-9  0x0000000000450823 in __wt_page_release (session=0x8eda30, 
          page=0x7fffc40015a0) at ../src/include/btree.i:537
      WT-10 0x00000000004508b9 in __wt_page_swap_func (session=0x8eda30, 
          out=0x7fffc40015a0, in=0x7fffc4013750, inref=0x7fffc40137f8, 
          file=0x675c44 "../src/btree/bt_walk.c", line=338)
          at ../src/include/btree.i:574
      WT-11 0x0000000000451239 in __wt_tree_walk (session=0x8eda30, 
          pagep=0x7fffe6bfca30, flags=132) at ../src/btree/bt_walk.c:337
      WT-12 0x000000000043eed4 in __wt_sync_file (session=0x8eda30, syncop=1)
          at ../src/btree/bt_evict.c:535
      

      Here's the insert-head/tail information:

      (gdb) frame 6
      WT-6  0x0000000000454168 in __wt_split_page_inmem (session=0x8eda30, 
          page=0x7fffc40015a0) at ../src/btree/rec_split.c:248
      248		return (__split_row_page_inmem(session, page));
      (gdb) down
      WT-5  0x0000000000453e4c in __split_row_page_inmem (session=0x8eda30, 
          orig=0x7fffc40015a0) at ../src/btree/rec_split.c:176
      176		WT_ASSERT(session, ins_head->head[i] != NULL);
      (gdb) p *ins_head
      $1 = {head = {0x7fffec017060, 0x7fffec017060, 0x7fffb4009b60, 0x7fffc0016550, 
          0x7fffc0016550, 0x7fffc0016550, 0x0, 0x0, 0x0, 0x0}, tail = {
          0x7fffc0016550, 0x7fffc0016550, 0x7fffc0016550, 0x7fffc0016550, 
          0x7fffc0016550, 0x7fffc0016550, 0x0, 0x0, 0x0, 0x0}}
      (gdb) p i
      $2 = 6
      (gdb) p ins
      $3 = (WT_INSERT *) 0x7fffc0016550
      

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              • Assignee:
                alexander.gorrod Alexander Gorrod
                Reporter:
                keith.bostic Keith Bostic
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                • Created:
                  Updated:
                  Resolved: