On Mon, Apr 11, 2016 at 10:58 AM, Masahiko Sawada <sawada.m...@gmail.com> wrote: > On Sat, Apr 9, 2016 at 12:32 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> Jeff Janes <jeff.ja...@gmail.com> writes: >>> When I compile now without cassert, I get the compiler warning: >> >>> syncrep.c: In function 'SyncRepUpdateConfig': >>> syncrep.c:878:6: warning: variable 'parse_rc' set but not used >>> [-Wunused-but-set-variable] >> >> If there's a good reason for that to be an Assert, I don't see it. >> There are no callers of SyncRepUpdateConfig that look like they >> need to, or should expect not to have to, tolerate errors. >> I think the way to fix this is to turn the Assert into a plain >> old test-and-ereport-ERROR. >> > > I've changed the draft patch Amit implemented so that it doesn't parse > twice(check_hook and assign_hook). > So assertion that was in assign_hook is no longer necessary. > > Please find attached.
Thanks for the patch! When I emptied s_s_names, reloaded the configration file, set it to 'standby1' and reloaded the configuration file again, the master crashed with the following error. *** glibc detected *** postgres: wal sender process postgres [local] streaming 0/3015F18: munmap_chunk(): invalid pointer: 0x00000000024d9a40 *** ======= Backtrace: ========= *** glibc detected *** postgres: wal sender process postgres [local] streaming 0/3015F18: munmap_chunk(): invalid pointer: 0x00000000024d9a40 *** /lib64/libc.so.6[0x3be8e75f4e] postgres: wal sender process postgres [local] streaming 0/3015F18[0x97dae2] ======= Backtrace: ========= /lib64/libc.so.6[0x3be8e75f4e] postgres: wal sender process postgres [local] streaming 0/3015F18(set_config_option+0x12cb)[0x982242] postgres: wal sender process postgres [local] streaming 0/3015F18(SetConfigOption+0x4b)[0x9827ff] postgres: wal sender process postgres [local] streaming 0/3015F18[0x97dae2] postgres: wal sender process postgres [local] streaming 0/3015F18[0x988b4e] postgres: wal sender process postgres [local] streaming 0/3015F18(set_config_option+0x12cb)[0x982242] postgres: wal sender process postgres [local] streaming 0/3015F18[0x98af40] postgres: wal sender process postgres [local] streaming 0/3015F18(SetConfigOption+0x4b)[0x9827ff] postgres: wal sender process postgres [local] streaming 0/3015F18(ProcessConfigFile+0x9f)[0x98a98b] postgres: wal sender process postgres [local] streaming 0/3015F18[0x988b4e] postgres: wal sender process postgres [local] streaming 0/3015F18[0x98af40] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7b50fd] postgres: wal sender process postgres [local] streaming 0/3015F18(ProcessConfigFile+0x9f)[0x98a98b] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7b359c] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7b50fd] postgres: wal sender process postgres [local] streaming 0/3015F18(exec_replication_command+0x1a7)[0x7b47b6] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7b359c] postgres: wal sender process postgres [local] streaming 0/3015F18(PostgresMain+0x772)[0x8141b6] postgres: wal sender process postgres [local] streaming 0/3015F18(exec_replication_command+0x1a7)[0x7b47b6] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7896f7] postgres: wal sender process postgres [local] streaming 0/3015F18(PostgresMain+0x772)[0x8141b6] postgres: wal sender process postgres [local] streaming 0/3015F18[0x788e62] postgres: wal sender process postgres [local] streaming 0/3015F18[0x7896f7] postgres: wal sender process postgres [local] streaming 0/3015F18[0x785544] postgres: wal sender process postgres [local] streaming 0/3015F18[0x788e62] postgres: wal sender process postgres [local] streaming 0/3015F18(PostmasterMain+0x1134)[0x784c08] postgres: wal sender process postgres [local] streaming 0/3015F18[0x785544] postgres: wal sender process postgres [local] streaming 0/3015F18[0x6ce12e] /lib64/libc.so.6(__libc_start_main+0xfd)[0x3be8e1ed5d] postgres: wal sender process postgres [local] streaming 0/3015F18(PostmasterMain+0x1134)[0x784c08] postgres: wal sender process postgres [local] streaming 0/3015F18[0x467e99] Regards, -- Fujii Masao -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers