Shared memory changes in 9.4?

[Maciek Sakrejda <m.sakrejda@xxxxxxxxx>]

Hi,

I've been trying to take the 9.4 beta for a spin, but seem to have run into a shared memory issue on startup:

FATAL: could not open shared memory segment "/PostgreSQL.1804289383": Permission denied

We're running Postgres inside LXC, which I suspect is causing problems here, but 9.0 through 9.3 run just fine in the same configuration. Any idea what may have changed? I suspect the solution here is tweaking some LXC setting, but I was hoping someone can point me in the right direction.

Thanks,

Maciek Sakrejda

Heroku Postgres