Re: SNMPD hangs after awhile

[[EMAIL PROTECTED]]

Thanks Suresh. I ran strace and for some reason, it cleaned out the queue... I'm not exactly sure why snmpd gets stuck. When I keep strace open and I send a snmpwalk to the host and it starts to hang again. I see alot of functions being called, but the only somewhat error-like notification I can find is this one: open("/etc/hosts.allow", O_RDONLY)      = -1 ENOENT (No such file or directory) open("/etc/hosts.deny", O_RDONLY)       = -1 ENOENT (No such file or directory) Which is correct, cause they don't exist. Could snmpd really crash because of this??? -Jeffrey --------------------------------- Jeffrey Lensen hyves: http://skyler.hyves.nl mail/msn: [EMAIL PROTECTED] Pamidipati Suresh-G20238 wrote: Hi,   I don't the reason for this behavior.. But, on mvl-ppc, we also observed that snmpd hangs sometimes. When we checked the strace of SNMPD at that point of time, it was stuck in the SYS_265() system call. Can you please check with strace when snmpd hangs.   Thanks, Suresh.     -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of [EMAIL PROTECTED] Sent: Tuesday, July 18, 2006 1:57 PM To: net-snmp-users@lists.sourceforge.net Subject: SNMPD hangs after awhile Hello all, Currently I have Nagios set up to use SNMP 5.2.2 to perform checks on nearly 200 machines. Recently some of my SNMPD daemons started hanging and stop responding to snmp requests. When I check with netstat, I get these results back: Active Internet connections (only servers) Proto  Recv-Q   Send-Q   Local Address         Foreign Address    State       PID/Program name udp     107824   0             *:snmp                     *:*                                            31154/snmpd The Recv-Q has become insanely high (it's always 107824), which leads me to believe the SNMPD daemon has been floaded with requests somehow. Does anyone know a workaround of some kind, or a way to flush the queue if the SNMPD daemon crashed or something? Thanks! -Jeffrey -- --------------------------------- Jeffrey Lensen hyves: http://skyler.hyves.nl mail/msn: [EMAIL PROTECTED]

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