From ae85c9fd719bd773d8eb55a3cd0772ed6a3ce50d Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Sat, 17 Oct 2020 21:41:35 +0200 Subject: [PATCH] package/netsnmp: silence warning when running without IPv6 snmpd loudly complains every 3 seconds about a failure reading /proc/net/if_inet6 if the system does not have IPv6 support: Jan 1 00:00:12 buildroot daemon.err snmpd[92]: ipaddress_linux: could not open /proc/net/if_inet6: No such file or directory Jan 1 00:00:15 buildroot daemon.err snmpd[92]: ipaddress_linux: could not open /proc/net/if_inet6: No such file or directory Jan 1 00:00:18 buildroot daemon.err snmpd[92]: ipaddress_linux: could not open /proc/net/if_inet6: No such file or directory Jan 1 00:00:21 buildroot daemon.err snmpd[92]: ipaddress_linux: could not open /proc/net/if_inet6: No such file or directory Add an upstream patch to only print this warning once, rather than on every poll iteration. Signed-off-by: Peter Korsgaard Signed-off-by: Yann E. MORIN --- ...once-that-opening-proc-net-if_inet6-.patch | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 package/netsnmp/0005-MIB-II-Only-log-once-that-opening-proc-net-if_inet6-.patch diff --git a/package/netsnmp/0005-MIB-II-Only-log-once-that-opening-proc-net-if_inet6-.patch b/package/netsnmp/0005-MIB-II-Only-log-once-that-opening-proc-net-if_inet6-.patch new file mode 100644 index 0000000000..2d5b38eb32 --- /dev/null +++ b/package/netsnmp/0005-MIB-II-Only-log-once-that-opening-proc-net-if_inet6-.patch @@ -0,0 +1,30 @@ +From cd09fd82522861830aaf9d237b26eef5f9ba50d2 Mon Sep 17 00:00:00 2001 +From: Bart Van Assche +Date: Wed, 21 Nov 2018 20:47:42 -0800 +Subject: [PATCH] MIB-II: Only log once that opening /proc/net/if_inet6 failed + +If IPv6 has been disabled (ipv6.disable=1) then opening /proc/net/if_inet6 +fails. Only log this once instead of thousand of times a day. + +Reported-by: Fif +Signed-off-by: Peter Korsgaard +--- + agent/mibgroup/ip-mib/data_access/ipaddress_linux.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c +index 5ddead3e0c..280575ce39 100644 +--- a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c ++++ b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c +@@ -234,7 +234,7 @@ _load_v6(netsnmp_container *container, int idx_offset) + + #define PROCFILE "/proc/net/if_inet6" + if (!(in = fopen(PROCFILE, "r"))) { +- snmp_log_perror("ipaddress_linux: could not open " PROCFILE); ++ NETSNMP_LOGONCE((LOG_ERR, "ipaddress_linux: could not open " PROCFILE)); + return -2; + } + +-- +2.20.1 + -- 2.30.2