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  1. MariaDB ColumnStore
  2. MCOL-5484

Segfault in Aggregation Thread

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • None
    • None
    • PrimProc
    • None

    Description

      Thread 208 "TASThrAggr21" received signal SIGSEGV, Segmentation fault.
      [Switching to Thread 0x7f39018fc700 (LWP 73090)]
      my_hash_sort_simple_nopad (cs=<optimized out>, key=0x7f394897e000 "",
          len=1212350464, nr1=0x7f39018f8e20, nr2=0x7f39018f8e28)
          at /data/mdb-server/strings/ctype-simple.c:352
      352	    MY_HASH_ADD(m1, m2, (uint) sort_order[(uint) *key]);
      (gdb) bt
      #0  my_hash_sort_simple_nopad (cs=<optimized out>, key=0x7f394897e000 "",
          len=1212350464, nr1=0x7f39018f8e20, nr2=0x7f39018f8e28)
          at /data/mdb-server/strings/ctype-simple.c:352
      #1  0x00007f62338e3829 in charset_info_st::hash_sort (nr2=0x7f39018f8e28,
          nr1=0x7f39018f8e20, len=<optimized out>, key=<optimized out>,
          this=<optimized out>) at /data/mdb-server/include/m_ctype.h:922
      #2  datatypes::MariaDBHasher::add (length=<optimized out>,
          str=<optimized out>, cs=<optimized out>, this=0x7f39018f8e20)
          at /data/mdb-server/storage/columnstore/columnstore/utils/common/collation.h:119
      #3  datatypes::MariaDBHasher::add (str=<synthetic pointer>...,
          cs=<optimized out>, this=0x7f39018f8e20)
          at /data/mdb-server/storage/columnstore/columnstore/utils/common/collation.h:124
      #4  rowgroup::hashRow (r=..., lastCol=<optimized out>)
          at /data/mdb-server/storage/columnstore/columnstore/utils/rowgroup/rowstorage.cpp:111
      #5  0x00007f62341b699f in joblist::TupleAggregateStep::threadedAggregateRowGroups (this=<optimized out>, threadID=<optimized out>)
          at /data/mdb-server/storage/columnstore/columnstore/dbcon/joblist/tupleaggregatestep.cpp:5493
      --Type <RET> for more, q to quit, c to continue without paging--
      #6  0x00007f62341d69e5 in joblist::TupleAggregateStep::ThreadedAggregator::operator() (this=0x7f399781a860) at /data/mdb-server/storage/columnstore/columnstore/dbcon/joblist/tupleaggregatestep.h:158
      #7  boost::detail::function::void_function_obj_invoker0<joblist::TupleAggregateStep::ThreadedAggregator, void>::invoke (function_obj_ptr=...)
          at /data/mdb-server/storage/columnstore/columnstore/.boost/boost-lib/include/boost/function/function_template.hpp:158
      #8  0x00007f6232fb3c1f in boost::function0<void>::operator() (this=0x7f399781a858) at /data/mdb-server/storage/columnstore/columnstore/.boost/boost-lib/include/boost/function/function_template.hpp:677
      #9  threadpool::ThreadPool::beginThread (this=0x55835f7470c0 <joblist::JobStep::jobstepThreadPool>) at /data/mdb-server/storage/columnstore/columnstore/utils/threadpool/threadpool.cpp:382
      #10 0x000055835f5e013b in thread_proxy ()
      #11 0x00007f6233010609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #12 0x00007f6232ab6163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

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            denis0x0D Denis Khalikov
            denis0x0D Denis Khalikov
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              Created:
              Updated:
              Resolved:

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