composefs? Opening loopback device: open /dev/loop13: no such device or address"

[edsantiago]

Started today, and only in my pet no-flake-retry PR with containers/podman#23274 cherrypicked:

# podman-remote [options] run -d -p 5517:5000 --name registry4 quay.io/libpod/registry:2.8.2 /entrypoint.sh /etc/docker/registry/config.yml
time="2024-07-22T09:47:06-05:00" level=error msg="Opening loopback device: open /dev/loop13: no such device or address"
Error: mounting storage for container cb6444e05e9623778fdca4560bd3e2f36bd3a290db18e78fb38b238d5d0c775a: loopback attach failed

# podman [options] --pull-option=enable_partial_images=true --pull-option=convert_images=true run -d -p 5072:5000 --name registry6 quay.io/libpod/registry:2.8.2
time="2024-07-22T14:30:22-05:00" level=error msg="There are no more loopback devices available."
Error: mounting storage for container a6ecfcc4d099586339e34403af393924cf1b294748d28e844a48b0be4692fdbf: loopback attach failed

• rawhide : int podman rawhide root host sqlite
  • 07-22 15:41 in Podman pod create podman create pod with id file with network portbindings
  • 07-22 15:41 in Podman search podman search doesn't attempt HTTP if registry is not listed as insecure
• rawhide : int remote rawhide root host sqlite [remote]
  • 07-22 11:01 in Podman search podman search attempts HTTP if registry is in registries.insecure and force secure is false

x	x	x	x	x	x
int(3)	podman(2)	rawhide(3)	root(3)	host(3)	sqlite(3)
	remote(1)

[giuseppe]

thanks. Opened a PR to address it:

• loopback: fix race condition opening loopback device #2039