--- title: "Add s390x (IBM Z) GitHub Actions runner to Erlang/OTP CI" url: https://daily.dev/posts/add-s390x-ibm-z-github-actions-runner-to-erlang-otp-ci-1qw0bfkws source_url: https://erlangforums.com/t/add-s390x-ibm-z-github-actions-runner-to-erlang-otp-ci/5853 type: article source: "Erlang Forums" published: 2026-08-10T20:20:28.770Z updated: 2026-08-10T20:20:50.769Z tags: ["cicd", "github-actions", "erlang"] reading_time: 1 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Add s390x (IBM Z) GitHub Actions runner to Erlang/OTP CI **[Erlang Forums](https://daily.dev/sources/erlangforums)** · 1 min read · 0 upvotes · 0 comments ## Summary A proposal to add an s390x (IBM Z / LinuxONE) GitHub Actions runner to the Erlang/OTP CI pipeline. IBM now offers free hosted s390x runners for open-source projects through their sponsorship program. Since s390x is a big-endian 64-bit architecture, adding it would close a gap in Erlang/OTP's CI coverage, which currently only tests on little-endian platforms (x86-64 and aarch64). The author offers to help draft a PR and coordinate with IBM. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Does IBM offer free GitHub Actions runners for s390x open-source projects? Yes, IBM provides free hosted s390x GitHub Actions runners for open-source projects through their open-source sponsorship program. The runners cover IBM Z and LinuxONE architectures. Onboarding is documented at the IBM/actionspz repository on GitHub, and the program was announced in May 2025. _Teams evaluating CI architecture coverage for open-source projects track sponsorship programs like this on daily.dev._ ## Similar posts on daily.dev - [Announcing the RISE RISC-V Runners: free, native RISC-V CI on GitHub – Rise: RISC-V Software Ecosystem](https://daily.dev/posts/announcing-the-rise-risc-v-runners-free-native-risc-v-ci-on-github-rise-risc-v-software-ecosyst-ig2p7qyvd) · Hacker News · 0 upvotes · 0 comments - [Patch package OTP 29.0-rc2 Released](https://daily.dev/posts/patch-package-otp-29-0-rc2-released-43r5cevzp) · Erlang Forums · 0 upvotes · 0 comments --- Tags: [#cicd](https://daily.dev/tags/cicd), [#github-actions](https://daily.dev/tags/github-actions), [#erlang](https://daily.dev/tags/erlang) [View this post on daily.dev](https://daily.dev/posts/add-s390x-ibm-z-github-actions-runner-to-erlang-otp-ci-1qw0bfkws)