Package: snmpd Version: 5.1.2-6.1 Severity: normal About ten days ago I upgraded the kernel on a server I maintain from 2.4.27-10 to 2.6.8-16 (both 686-smp). Ever since then SNMP requests have timed out when there is heavy disk activity. Specifically this happens when the nightly backup occurs (starting at 01:15), and when the daily log rotation happens (started at 06:25 from the standard Debian /etc/crontab).
These outages cause anomalous peaks to appear in mrtg graphs as seen in the attached monthly graph. Also cacti graphs show gaps when snmpd wasn't responding, graph also attached. (Actually I think that mrtg should do what cacti does, but its graph drawing algorithm is a little wrong). What makes me suspect snmpd rather than the kernel is that other daemons appear to function OK during such periods. Although it is a bit strange as the snmpd package has been the same version with both kernels. Is there any reason why snmpd would behave differently like this under 2.6.8 rather than 2.4.27? Cheers, Mark. -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable'), (500, 'testing') Architecture: i386 (i686) Kernel: Linux 2.6.8-2-686-smp Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Versions of packages snmpd depends on: ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an ii libsensors3 1:2.9.1-1 library to read temperature/voltag ii libsnmp5 5.1.2-6.1 NET SNMP (Simple Network Managemen ii libwrap0 7.6.dbs-8 Wietse Venema's TCP wrappers libra -- debconf-show failed
mrtg.png
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cacti.png
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