Thank you for replying, and that's an excellent point.

Short answer--definitely not in a container, these are garden variety VMWare 
instances. I've already flagged the OS power settings to maximum performance, 
so nothing should be going to sleep. I'll doublecheck, though.

So, if I understand correctly, this error could also be indicative of an issue 
in between the agent and Squid. Agents first go through a firewall, then the F5 
before reaching Squid.

[Stopped, reason:Listener socket closed job1]: (14) Bad address

Any thoughts on this error, which tends to be more common than the other?

2019/02/20 09:42:33 kid1| comm_poll: poll failure: (14) Bad address
2019/02/20 09:42:33 kid1| Select loop Error. Retry 2



-----Original Message-----
From: Amos Jeffries <squ...@treenet.co.nz>
Sent: Thursday, February 21, 2019 6:38 AM
To: squid-users@lists.squid-cache.org
Subject: Re: [squid-users] Squid for Windows Repeatedly Crashing

On 21/02/19 6:23 pm, Van Order, Drew (US - Hermitage) wrote:
> Hello folks, we're running Squid 3.5.28 on four Windows 2016 VM's,
> each has 4 CPU, 8 GB memory, 10 GB NIC. We implemented Squid to
> support forwarding Azure Log Analytics data, it's all CONNECT. The
> Squids are load balanced through a F5. There are less than 1,000
> servers sending data to Log Analytics.
>
>
>
> All four Squids are regularly crashing, and I don't know how to
> interpret the errors in cache.log. It crashes if we disable caching too.
>
...
>
> 2019/02/20 09:42:32 kid1|  FD 12, 10.5.11.12 [Stopped, reason:Listener
> socket closed job1]: (14) Bad address
>

Something other than Squid closed the network socket Squid was using to receive 
new client connections (the http_port socket).

The only things which should know that socket even exists are Squid and the 
operating system.

This is not an error I've seen before. Is this Squid maybe running in a 
container or VM which is being hibernated, or suspended, or anything along 
those lines which may cause the OS filedescriptors to change unexpectedly?

Amos

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