The following bug has been logged on the website:
Bug reference: 14668
Logged by: Zhou Digoal
Email address: digoal@126.com
PostgreSQL version: 10beta1
Operating system: CentOS 6.x x64
Description:
HI, when i test brin index, and set autosummarize=on, insert data will crash
database.
```
postgres=# create table test(id serial8, c1 int, c2 int);
CREATE TABLE
postgres=# create index idx_test_1 on test using brin(id) with
(pages_per_range=1,autosummarize=on);
CREATE INDEX
vi test.sql
\set c1 random(1,10000)
\set c2 random(1,1000000)
insert into test (c1,c2) values (:c1, :c2);
pgbench -M prepared -n -r -P 1 -f ./test.sql -c 32 -j 32 -T 100
```
then PostgreSQL crash,
log
```
,,0,LOG,00000,"server process (PID 38060) was terminated by signal 11:
Segmentation fault","Failed process was running: insert into test (c1,c2)
values ($1, $2);",,,,,,,"LogChildExit, postmaster.c:3553",""
,,0,LOG,00000,"terminating any other active server
processes",,,,,,,,"HandleChildCrash, postmaster.c:3273",""
,71/2,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,37/2,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,70/2,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,69/2,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,1/0,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,35/2,0,WARNING,57P02,"terminating connection because of crash of another
server process","The postmaster has commanded this server process to roll
back the current transaction and exit, because another server process exited
abnormally and possibly corrupted shared memory.","In a moment you should be
able to reconnect to the database and repeat your command.",,,,,,"quickdie,
postgres.c:2595",""
,,0,LOG,00000,"all server processes terminated;
reinitializing",,,,,,,,"PostmasterStateMachine, postmaster.c:3800",""
,,0,LOG,00000,"database system was interrupted; last known up at 2017-05-24
14:22:26 CST",,,,,,,,"StartupXLOG, xlog.c:6256",""
,,0,LOG,00000,"database system was not properly shut down; automatic
recovery in progress",,,,,,,,"StartupXLOG, xlog.c:6759",""
,,0,LOG,00000,"redo starts at 0/408E7140",,,,,,,,"StartupXLOG,
xlog.c:7014",""
,,0,LOG,00000,"invalid record length at 0/4090F028: wanted 24, got
0",,,,,,,,"ReadRecord, xlog.c:4184",""
,,0,LOG,00000,"redo done at 0/4090EEF0",,,,,,,,"StartupXLOG,
xlog.c:7286",""
,,0,LOG,00000,"last completed transaction was at log time 2017-05-24
14:24:49.118091+08",,,,,,,,"StartupXLOG, xlog.c:7291",""
,,0,LOG,00000,"checkpoint starting: end-of-recovery
immediate",,,,,,,,"LogCheckpointStart, xlog.c:8369",""
,,0,LOG,00000,"checkpoint complete: wrote 117 buffers (0.0%); 0 WAL file(s)
added, 0 removed, 0 recycled; write=0.082 s, sync=0.016 s, total=0.104 s;
sync files=38, longest=0.004 s, average=0.000 s; distance=159 kB,
estimate=159 kB",,,,,,,,"LogCheckpointEnd, xlog.c:8451",""
,,0,LOG,00000,"database system is ready to accept
connections",,,,,,,,"reaper, postmaster.c:2866",""
```
core file
```
(gdb) bt
#0 0x00000000008fc1c3 in yy_transition ()
Cannot access memory at address 0x7fff048a5788
```
best regards,
digoal
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