I have a mrtg job that runs every 5 minutes on a FreeBSD-CURRENT box and
gets this randomly:
SNMP Error:
send_query: No buffer space available
SNMPv1_Session (remote host: "main-switch.lerctr.org"
[192.168.200.224].161)
community: "lerctr"
request ID: 1517898706
PDU bufsize: 8000 bytes
timeout: 2s
retries: 5
backoff: 1)
at /usr/local/lib/perl5/site_perl/SNMP_util.pm line 492.
SNMPGET Problem for ifInOctets.39 ifOutOctets.39 sysUptime sysName on
ler...@main-switch.lerctr.org::::::v4only
at /usr/local/bin/mrtg line 2330.
2019-06-03 10:50:00: WARNING: Skipping host main-switch.lerctr.org as it
does not resolve to an IPv4 address
2019-06-03 10:50:00: WARNING: no data for
ifInOctets&ifOutOctets:ler...@main-switch.lerctr.org. Skipping further
queries for Host main-switch.lerctr.org in this round.
2019-06-03 10:50:00: WARNING: Skipping host sewingroomswitch.lerctr.org
as it does not resolve to an IPv4 address
2019-06-03 10:50:00: WARNING: no data for
ifInOctets&ifOutOctets:ler...@sewingroomswitch.lerctr.org. Skipping
further queries for Host sewingroomswitch.lerctr.org in this round.
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_39][_IN_] '
$target->[24]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_39][_OUT_] '
$target->[24]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_40][_IN_] '
$target->[25]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_40][_OUT_] '
$target->[25]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_41][_IN_] '
$target->[26]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_41][_OUT_] '
$target->[26]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_42][_IN_] '
$target->[27]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_42][_OUT_] '
$target->[27]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_43][_IN_] '
$target->[28]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_43][_OUT_] '
$target->[28]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_44][_IN_] '
$target->[29]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_44][_OUT_] '
$target->[29]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_45][_IN_] '
$target->[30]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_45][_OUT_] '
$target->[30]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_46][_IN_] '
$target->[31]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_46][_OUT_] '
$target->[31]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_47][_IN_] '
$target->[32]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_47][_OUT_] '
$target->[32]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_48][_IN_] '
$target->[33]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[main-switch.lerctr.org_48][_OUT_] '
$target->[33]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[sewingroomswitch.lerctr.org_1][_IN_]
' $target->[34]{$mode} ' did not eval into defined data
2019-06-03 10:50:01: ERROR: Target[sewingroomswitch.lerctr.org_1][_OUT_]
' $target->[34]{$mode} ' did not eval into defined data
I have:
kern.ipc.maxsockbuf=2147483648
in my sysctl.conf as suggested in a bunch of places, and the box has
plenty (128G) of memory.
How can I debug this?
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: l...@lerctr.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106
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