On 12/11/25 5:17 AM, Elliotte Rusty Harold wrote:
Suppose a PR fails on one of these new CIs and rerunning doesn't fix
it. Who's going to be willing and able to debug and fix it?
Setting up or getting access to s390x and ppc64el machines can sometimes
be easier than setting up a machine with Windows. Once set up, they act
just like any other Linux system.
Below are some options:
1. QEMU on Linux
You can emulate these architectures use QME on your own Linux
workstation. An old emulation bug on s390x that I ran into with Java
should be fixed and available in any QEMU package by now. [1]
2. OSU Open Source Lab for ppc64el
The Oregon State University provides access to real POWER (ppc64el)
machines for open-source projects, both for development and for
continuous integration.
POWER Development Hosting
https://osuosl.org/services/powerdev/
I have a VM on one of their real POWER machines.
3. Marist College for s390x
Marist College provided me temporary access to a real s390x machine,
shown here:
https://www.marist.edu/w/marist-first-linuxone-iii
But now it seems that the OSU Open Source Lab will provide access to the
Marist College system for open-source projects, perhaps on a more
long-term basis. That's great news!
IBM Z Development Hosting
https://osuosl.org/services/ibm-z/
John
[1]: https://gitlab.com/qemu-project/qemu/-/issues/655
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