LOG:  GUC (PGC_ENUM) log_transaction, boot_val=3, C-var=0
TRAP: failed Assert("check_GUC_init(hentry->gucvar)"), File: "../src/backend/utils/misc/guc.c", Line: 1553, PID: 16599
postgres(ExceptionalCondition+0x56)[0x55a62fde4a20]
postgres(InitializeGUCOptions+0x8d)[0x55a62fe16b24]
postgres(PostmasterMain+0x18f)[0x55a62fa12234]
postgres(main+0x2c1)[0x55a62f851a6e]
/lib/x86_64-linux-gnu/libc.so.6(+0x2724a)[0x7f086704624a]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85)[0x7f0867046305]
postgres(_start+0x21)[0x55a62f40b281]