repeated segfault of daemon after ~245 minutes of OS uptime, or multiples thereof (12.0Rp1 amd64)

[Dave Cottlehuber]

On Thu, 10 Jan 2019, at 20:31, Dave Cottlehuber wrote:
> Does this rather unusual duration remind somebody of some periodic 
> counter cycle? I'm stumped. AFAICT the failure is periodic based on the 
> host OS boot time, and *not* the runtime, but I'm not 100% sure on that 
> yet.

Watching another couple of crashes I now think this is from VM startup,
and not host OS boot, but I need a few more data points to confirm.

The stack traces look like they're happening in erlang's block memory
allocator, at least to my naive eyes.

A+
Dave