[Varnish] #1119: Varnish 3.0.2 freezed, Pushing vcls failed:#012CLI communication error (hdr)

[Varnish]

#1119: Varnish 3.0.2 freezed, Pushing vcls failed:#012CLI communication error
(hdr)
-------------------------+--------------------------------------------------
  Reporter:  campisano   |        Type:  defect                                                          
    Status:  closed      |    Priority:  normal                                                          
 Milestone:              |   Component:  build                                                           
   Version:  3.0.2       |    Severity:  blocker                                                         
Resolution:  worksforme  |    Keywords:  child died pushing vcls failed #012CLI communication error (hdr)
-------------------------+--------------------------------------------------

Comment(by campisano):

 I had the same problem again. The varnish freezed and a simple restart
 solve. I'll test the cli_timeout increase to 60 secs, and report if it
 solve.

 {{{
 May 20 01:59:39 macleod varnishd[22546]: Child (19229) not responding to
 CLI, killing it.
 May 20 01:59:40 macleod varnishd[22546]: Child (19229) not responding to
 CLI, killing it.
 May 20 01:59:40 macleod varnishd[22546]: Child (19229) died signal=3
 May 20 01:59:40 macleod varnishd[22546]: Child cleanup complete
 May 20 01:59:40 macleod varnishd[22546]: child (16809) Started
 May 20 01:59:40 macleod varnishd[22546]: Child (16809) said Child starts
 May 20 01:59:40 macleod varnishd[22546]: Child (16809) said SMF.s0 mmap'ed
 536870912 bytes of 536870912
 May 20 05:17:58 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:08 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:18 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:28 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:38 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:48 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:18:58 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:19:08 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:19:11 macleod varnishd[22546]: Child (16809) not responding to
 CLI, killing it.
 May 20 05:19:11 macleod varnishd[22546]: Child (16809) died signal=3
 May 20 05:19:11 macleod varnishd[22546]: Child cleanup complete
 May 20 05:19:11 macleod varnishd[22546]: child (11945) Started
 May 20 05:19:21 macleod varnishd[22546]: Pushing vcls failed:#012CLI
 communication error (hdr)
 May 20 05:19:21 macleod varnishd[22546]: Stopping Child
 May 20 05:19:21 macleod varnishd[22546]: Child (11945) said Child starts
 May 20 05:20:14 macleod varnishd[22546]: Child (11945) said SMF.s0 mmap'ed
 536870912 bytes of 536870912
 May 20 05:20:14 macleod varnishd[22546]: Child (11945) said Child dies
 May 20 05:20:16 macleod varnishd[22546]: Child (11945) died status=1
 May 20 05:20:16 macleod varnishd[22546]: Child cleanup complete
 }}}

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1119#comment:8>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator