Created attachment 1411477 [details]
Description of problem:
PackageKit crashes, triggers systemd-coredump which then runs out of memory and things start invoking oom-killer and it all just goes downhill from there.
Version-Release number of selected component (if applicable):
It does reproduce eventually, but usually it's non-deterministic what will end up triggering the OOM. In this particular case, I haven't even launched anaconda or started navigating around. Just boot with defaults in a VM and eventually PK crashes and then coredump runs out of RAM. Ergo it's possible to do absolutely nothing and totally lose the VM and I don't know why.
Steps to Reproduce:
1. Fedora 27 host with kernel 4.15.10-300.fc27.x86_64
2. virt-manager qemu-kvm guest created with Fedora 27 preset, nothing exotic, XML attached, and it has 1536MB RAM which is 50% more than the Fedora 27 requirements
Becomes unresponsive, processes start getting killed off.
Should be stable.
The journal log attached is captured using 'virsh console' and 'journalctl -o short-monotonic' output to a file.
Created attachment 1411508 [details]
Created attachment 1411583 [details]
journal VM 1G RAM log
Lower the VM to the 1G minimum requirement found on https://getfedora.org/en/workstation/download/ and it always explodes with oom killers before the desktop even fully appears.
In this bug, anaconda invokes oom killer. The VM has 1.75G RAM and 2G swap.
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