[Bug] lock failed in parallel execution #150

diff -I HINT: -I CONTEXT: -I GP_IGNORE: -U3 /code/gpdb_src/src/test/regress/expected/select.out /code/gpdb_src/src/test/regress/results/select.out
--- /code/gpdb_src/src/test/regress/expected/select.out	2023-08-15 07:45:59.423209546 +0000
+++ /code/gpdb_src/src/test/regress/results/select.out	2023-08-15 07:45:59.455207879 +0000
@@ -8,20 +8,10 @@
 SELECT * FROM onek
    WHERE onek.unique1 < 10
    ORDER BY onek.unique1;
- unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 
----------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+---------
-       0 |     998 |   0 |    0 |   0 |      0 |       0 |        0 |           0 |         0 |        0 |   0 |    1 | AAAAAA   | KMBAAA   | OOOOxx
-       1 |     214 |   1 |    1 |   1 |      1 |       1 |        1 |           1 |         1 |        1 |   2 |    3 | BAAAAA   | GIAAAA   | OOOOxx
-       2 |     326 |   0 |    2 |   2 |      2 |       2 |        2 |           2 |         2 |        2 |   4 |    5 | CAAAAA   | OMAAAA   | OOOOxx
-       3 |     431 |   1 |    3 |   3 |      3 |       3 |        3 |           3 |         3 |        3 |   6 |    7 | DAAAAA   | PQAAAA   | VVVVxx
-       4 |     833 |   0 |    0 |   4 |      4 |       4 |        4 |           4 |         4 |        4 |   8 |    9 | EAAAAA   | BGBAAA   | HHHHxx
-       5 |     541 |   1 |    1 |   5 |      5 |       5 |        5 |           5 |         5 |        5 |  10 |   11 | FAAAAA   | VUAAAA   | HHHHxx
-       6 |     978 |   0 |    2 |   6 |      6 |       6 |        6 |           6 |         6 |        6 |  12 |   13 | GAAAAA   | QLBAAA   | OOOOxx
-       7 |     647 |   1 |    3 |   7 |      7 |       7 |        7 |           7 |         7 |        7 |  14 |   15 | HAAAAA   | XYAAAA   | VVVVxx
-       8 |     653 |   0 |    0 |   8 |      8 |       8 |        8 |           8 |         8 |        8 |  16 |   17 | IAAAAA   | DZAAAA   | HHHHxx
-       9 |      49 |   1 |    1 |   9 |      9 |       9 |        9 |           9 |         9 |        9 |  18 |   19 | JAAAAA   | XBAAAA   | HHHHxx
-(10 rows)
-
+DETAIL:  connection to server at "10.0.1.15", port 7002 failed: FATAL:  reader could not find writer proc entry
+DETAIL:  lock [0,1260] AccessShareLock 0. Probably because writer gang is gone somehow. Maybe try rerunning.
+ERROR:  failed to acquire resources on one or more segments
+ (seg0 10.0.1.15:7002)
 --
 -- awk '{if($1<20){print $1,$14;}else{next;}}' onek.data | sort +0nr -1
 --