Re: BUG #5238: frequent signal 11 segfaults

Nagy Daniel <nagy.daniel@telekom.hu> writes:
> (gdb) backtrace
> #0  0x0000000000453415 in slot_deform_tuple ()
> #1  0x000000000045383a in slot_getattr ()
> #2  0x0000000000550dac in ExecHashGetHashValue ()
> #3  0x0000000000552a98 in ExecHashJoin ()
> #4  0x0000000000543368 in ExecProcNode ()
> #5  0x0000000000552aa6 in ExecHashJoin ()
> #6  0x0000000000543368 in ExecProcNode ()

Not terribly informative (these binaries are apparently not as
un-stripped as you thought).  However, this suggests it's a specific
query going wrong --- "p debug_query_string" in gdb might tell you what.
Please see if you can extract a test case.

            regards, tom lane