On Thu, Jan 04, 2024 at 03:37:21PM +0100, Paul Gevers wrote: > Hi, > > On 04-01-2024 15:08, Chris Hofstaedtler wrote: > > It would seem that the host runs out of IPC space? > > What is IPC space?
https://manpages.debian.org/bookworm/manpages/sysvipc.7.en.html https://manpages.debian.org/bookworm/manpages/ipc_namespaces.7.en.html > And when does a host run out of it? As I said, this is > one of our most powerful hosts, so I would expect it to run out of things > last. > > > Does it run more tests in parallel than other workers, or so? > > Yes, this host (like most of our host, but a bit more) runs multiple lxc > based debci workers. My guess: the default limits are static, and if LXC doesn't do anything special, the limits are probably shared with the whole host. kernel.shmmax, kernel.msgmax are I think the limits (but I'm not entirely sure). > > I wouldn't know what to do about this, its not really under the > > control of src:pdns. > > Well, maybe check for it and fail gracefully? But how? systemd sets up the IPC namespace. > Or, since a couple of days, if > qemu VM don't run out of IPC space, we could run them in qemu always. I imagine a fully separated VM would not run out of IPC space, indeed. Chris
