Child not responding to ping, killing it

[Olivier Beau]

Hi all,

I installed varnish (trunk) on 3 redhat5 64bit, (serving the same website)

i see those logs on only one server :

Jul 22 18:12:25 img-front1 varnishd[19818]: Child (27470) not responding to
ping, killing it.
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (27470) not responding to
ping, killing it.
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (27470) died signal=9
Jul 22 18:12:25 img-front1 varnishd[19818]: child (13971) Started
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (13971) said Closed fds: 4 5 6
9 10 12 13
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (13971) said Child starts
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (13971) said managed to mmap
10737418240 bytes of 10737418240
Jul 22 18:12:25 img-front1 varnishd[19818]: Child (13971) said Ready
Jul 22 19:21:05 img-front1 varnishd[19818]: Child (13971) not responding to
ping, killing it.
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (13971) not responding to
ping, killing it.
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (13971) died signal=9
Jul 22 19:21:06 img-front1 varnishd[19818]: child (22911) Started
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (22911) said Closed fds: 4 5 6
9 10 12 13
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (22911) said Child starts
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (22911) said managed to mmap
10737418240 bytes of 10737418240
Jul 22 19:21:06 img-front1 varnishd[19818]: Child (22911) said Ready
Jul 22 20:05:12 img-front1 varnishd[19818]: Child (22911) not responding to
ping, killing it.
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (22911) not responding to
ping, killing it.
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (22911) died signal=9
Jul 22 20:05:13 img-front1 varnishd[19818]: child (28767) Started
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (28767) said Closed fds: 4 5 6
9 10 12 13
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (28767) said Child starts
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (28767) said managed to mmap
10737418240 bytes of 10737418240
Jul 22 20:05:13 img-front1 varnishd[19818]: Child (28767) said Ready



everything is OK from on OS point of view (cpu,load,traffic,memory..)


what could cause the child to hang ?
should i try logging everything for debugging ?



Olivier Beau