[ZBX-7697] agent stop responding after a few minutes on solaris Created: 2014 Jan 24  Updated: 2017 May 30  Resolved: 2014 Jan 24

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Agent (G)
Affects Version/s: 2.2.0, 2.2.1
Fix Version/s: 2.2.2rc1, 2.3.0

Type: Incident report Priority: Critical
Reporter: Andrew Howell Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: agent, solaris
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Solaris 10 x86, Solaris 10 sparc, Solaris 11 x86 and Solaris 11 sparc


Attachments: File zabbix_agentd_sin021-140124.log.gz     Text File zabbix_get_140124.log    
Issue Links:
Duplicate
is duplicated by ZBX-7813 system.swap items hang agent on solar... Closed
is duplicated by ZBX-8254 zabbix_agentd -p gets stuck Closed

 Description   

Hi,

I've recently started rolling out Zabbix 2.2 agents to our Solaris fleet and have noticed that the agent stops responding to requests after a few minutes. This affect 2.2.0 and 2.2.1 on Solaris 10 and 11 and both x86 and sparc. It does not happen on our linux agents.

I'm attaching a debug level 4 log from the agent on a Solaris 11 x86 server as well as the zabbix server running a zabbix_get

Please have a look at line 1605 in the agent logfile. After that the listener never waits for a connection which corresponds to requests from zabbix_get failing.



 Comments   
Comment by Aleksandrs Saveljevs [ 2014 Jan 24 ]

The same problem happens on line 816. There, item "system.swap.in[,pages]" is also requested and after that this agent process does not appear in the log anymore.

I can reproduce the problem in our environment, too. Running "zabbix_agentd -t system.swap.in[,pages]" hangs. Same for "system.swap.out[,pages]".

As a workaround for the time being, you can disable "system.swap.*" checks.

Comment by Aleksandrs Saveljevs [ 2014 Jan 24 ]

This works fine in 2.0, but was broken in 2.2 in r34023 when ZBXNEXT-1550 was implemented.

Comment by Aleksandrs Saveljevs [ 2014 Jan 24 ]

Fixed in development branch svn://svn.zabbix.com/branches/dev/ZBX-7697 .

Comment by Aleksandrs Saveljevs [ 2014 Jan 24 ]

Fixed in pre-2.2.2 r41859 and pre-2.3.0 (trunk) r41860.

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