`rockcraft pack` uses all available memory

Metadata

Project: rockcraft
Number: #122
Type: issue
State: open
Author: gruyaume
Labels: —
Created: 2022-10-13 12:47 AM UTC
Updated: 2026-02-26 07:29 AM UTC
Closed: —

Current evaluation

Reported LXD-backed rockcraft pack host memory exhaustion remains unconfirmed; the 2022 0.0.1.dev1 repro used a disputed branch, and maintainers await current version and LXD profile details.

Suggested action: keep open

Reason: Keep open because exhausting all host memory would cause a serious system crash, but cmatsuoka reproduced only a missing /root/stage/bin/protoc error and the requested LXC profile was never provided. The 2026 triage explicitly requests an exact ref, current Rockcraft version, and LXD profile before distinguishing a current defect from an obsolete or provider-specific setup.

Evaluated by: mr-cal-bot

Impact: 80 Quick Win: 7 Complexity: 70 Confidence: 91 Actionability: 31

Issue body

**OVERVIEW** For a given charm, running `rockcraft pack` yields to the process using all the system available memory and crashing. **STEPS TO REPRODUCE** 1. Clone the [repository](https://github.com/gruyaume/magma-orc8r-controller-rock/tree/dev-lte2) 2. Checkout branch `lte2` 3. Run `rockcraft pack` (This command should crash because of an error in the rockcraft.yaml) 4. Run `rockcraft pack` again (This command should crash because of the memory qty being used) **EXECUTION OUTPUT** ``` guillaume@thinkpad:~/PycharmProjects/magma-controller-rock$ rockcraft pack -v Starting Rockcraft 0.0.1.dev1 Logging execution to '/home/guillaume/.cache/rockcraft/log/rockcraft-20221012-202543.853675.log' Launching instance... Starting Rockcraft 0.0.1.dev1 Logging execution to '/tmp/rockcraft.log' Retrieving base ubuntu:18.04 Retrieved base ubuntu:18.04 for amd64 Extracting ubuntu:18.04 Extracted ubuntu:18.04 Initializing parts lifecycle | (51.5s) craft-providers error: Failed to execute pack in instance. Full execution log: '/home/guillaume/.cache/rockcraft/log/rockcraft-20221012-202543.853675.log' ``` **LOGS** ``` 2022-10-12 20:25:43.854 Starting Rockcraft 0.0.1.dev1 2022-10-12 20:25:43.859 Using default provider 'lxd' on linux system 2022-10-12 20:25:43.923 Executing on host: lxc --project default profile show local:default 2022-10-12 20:25:43.969 Using hostname 'rockcraft-magma-orc8r-controller-5129182' 2022-10-12 20:25:43.969 Launching instance... 2022-10-12 20:25:43.969 Executing on host: lxc remote list --format=yaml 2022-10-12 20:25:44.013 Remote 'craft-com.ubuntu.cloud-buildd' already exists. 2022-10-12 20:25:44.013 Executing on host: lxc project list local: --format=yaml 2022-10-12 20:25:44.068 Set LXD instance name to 'rockcraft-magma-orc8r-controller-5129182' 2022-10-12 20:25:44.068 Executing on host: lxc --project rockcraft list local: --format=yaml 2022-10-12 20:25:44.135 Executing on host: lxc --project rockcraft list local: --format=yaml 2022-10-12 20:25:44.208 Executing on host: lxc --project rockcraft start local:rockcraft-magma-orc8r-controller-5129182 2022-10-12 20:25:44.619 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 cat /etc/os-release 2022-10-12 20:25:44.688 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 test -f /etc/craft-instance.conf 2022-10-12 20:25:44.802 Executing on host: lxc --project rockcraft file pull local:rockcraft-magma-orc8r-controller-5129182/etc/craft-instance.conf /home/guillaume/tmp8d3rtujm.tmp-craft/tmp9qajpyea 2022-10-12 20:25:44.867 Instance is compatible with compatibility tag 'rockcraft-buildd-base-v0.0' 2022-10-12 20:25:44.867 Waiting for environment to be ready... 2022-10-12 20:25:44.867 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:45.011 systemctl is-system-running status: starting 2022-10-12 20:25:45.261 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:45.403 systemctl is-system-running status: starting 2022-10-12 20:25:45.653 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:45.751 systemctl is-system-running status: starting 2022-10-12 20:25:46.002 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:46.094 systemctl is-system-running status: starting 2022-10-12 20:25:46.345 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:46.441 systemctl is-system-running status: starting 2022-10-12 20:25:46.693 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 systemctl is-system-running 2022-10-12 20:25:46.811 Waiting for networking to be ready... 2022-10-12 20:25:46.811 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 getent hosts snapcraft.io 2022-10-12 20:25:46.921 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 snap unset system proxy.http 2022-10-12 20:25:47.174 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 snap unset system proxy.https 2022-10-12 20:25:47.416 Installing snap 'rockcraft' with channel=None and classic=True 2022-10-12 20:25:47.416 Installing snap 'rockcraft' from host (classic=True) 2022-10-12 20:25:47.433 Executing in container: lxc --project rockcraft exec local:rockcraft-magma-orc8r-controller-5129182 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin ROCKCRAFT_MANAGED_MODE=1 test -f /etc/craft-instance.conf 2022-10-12 20:25:47.517 Executing on host: lxc --project rockcraft file pull local:rockcraft-magma-orc8r-controller-5129182/etc/craft-instance.conf /home/guillaume/tmp78za9emn.tmp-craft/tmpytjlfxix 2022-10-12 20:25:47.565 Revisions found: host='383', target='383' 2022-10-12 20:25:47.565 Skipping snap injection: target is already up-to-date with revision on host 2022-10-12 20:25:47.565 Emitter: Pausing control of the terminal 2022-10-12 20:27:01.925 Emitter: Resuming control of the terminal 2022-10-12 20:27:04.488 craft-providers error: Failed to execute pack in instance. 2022-10-12 20:27:04.488 Full execution log: '/home/guillaume/.cache/rockcraft/log/rockcraft-20221012-202543.853675.log' ``` ![memory_usage_rockcraft_2](https://user-images.githubusercontent.com/18486508/195471778-20bf816c-958e-4b9c-b66b-aac46bd7ecb9.png)

Evaluation history

Date	Model	Scores	Action	Summary
2026-10-02 05:01 PM UTC	stealth/space-bunny-alpha	Impact: 80 Quick Win: 7 Complexity: 70 Confidence: 91 Actionability: 31	keep open	Reported LXD-backed rockcraft pack host memory exhaustion remains unconfirmed; the 2022 0.0.1.dev1 repro used a disputed branch, and maintainers await current version and LXD profile details.
2026-09-20 06:31 AM UTC	qwen/qwen3.6-35b-a3b	Impact: 70 Quick Win: 8 Complexity: 60 Confidence: 65 Actionability: 30	keep open	`rockcraft pack` exhausts system memory during LXD-based builds. Open ~4 years, unactionable due to missing reproducible setup despite maintainer requests.
2026-09-01 02:08 AM UTC	qwen/qwen3.8-27b	Impact: 35 Quick Win: 12 Staleness: 65 Complexity: 65 Confidence: 70 Support Request: 20	close stale	Rockcraft 0.0.1.dev1 (Oct 2022) report that `rockcraft pack` exhausts all system memory and crashes. Maintainer could not reproduce the memory issue; 2026 triage requested updated repro info, but the reporter has not responded in over 6 months.
2026-07-22 12:13 PM UTC	qwen/qwen3.6-35b-a3b	Staleness: 95 Complexity: 40 Confidence: 85 Support Request: 60	close stale	rockcraft pack crashes due to memory exhaustion on an old branch. Lacks reproducible setup, original reporter unresponsive for years, and no maintainer action since triage request.
2026-07-08 09:20 AM UTC	qwen3.6-35b-a3b-mtp-q6	Staleness: 90 Complexity: 40 Confidence: 85 Support Request: 10	close stale	Report of rockcraft pack exhausting system memory and crashing. Issue is over 3 years old, lacks a reproducible setup on current versions, and author has not responded to maintainer requests for updated details.

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