RMAN release channel hang for a long time
version:12.2.0.1.0
platform:Linux keneodb1 3.10.0-1062.12.1.el7.x86_64 #1 SMP Thu Dec 12 06:44:49 EST 2019 X84_64 GNU/LINUX
call stack:
#0 __read_nocancel()
#1 sntpread()
#2 ntpfprd()
#3 nsbasic_brc()
#4 pre_nsbrecv(_arg1=0x...,arg2=0x...,_arg3=0x...,_arg4=0x0) at linux_hook_nsbrecv.c:118
#5 _handle_data() at linux_hook_nsbrecv.c:23
please help