hcn-init.service is installed and enabled by default on all Power installs, it seems, as part of powerpc-utils. But it doesn't actually work on all Power systems. On the openQA worker hosts and guests, it fails immediately on startup: === Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org systemd[1]: Starting hybrid virtual network scan and config... Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org hcnmgr[21385]: [DEBUG]:hcnscan enter Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org hcnmgr[21385]: =======================10-29-2020 17:10:04============================ Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org hcnmgr[21385]: [ERROR]:hcnscan:error code 1, platform is not supported Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org systemd[1]: hcn-init.service: Main process exited, code=exited, status=1/FAILURE Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org systemd[1]: hcn-init.service: Failed with result 'exit-code'. Oct 29 17:10:04 openqa-p09-worker01.iad2.fedoraproject.org systemd[1]: Failed to start hybrid virtual network scan and config. === meaning you have a failed service right out of the box, which isn't ideal. It might be good if this could be treated as a non-error case, somehow; perhaps hcnmgr could get a custom exit code for "platform is not supported" (it's not clear if 1 is used for anything else) and the systemd service could treat that as a normal exit, for instance.
Thanks for the bug report. I have asked `hcnmgr` command developer to look into this issue. We will keep you updated. -Vasant
(In reply to Vasant Hegde from comment #1) > Thanks for the bug report. I have asked `hcnmgr` command developer to look > into this issue. We will keep you updated. I believe this could be solved by using existing systemd mechanism - "conditional activation" based on detected hw
------- Comment From Mingming.Cao 2020-11-06 11:28 EDT------- (In reply to comment #4) > (In reply to Vasant Hegde from comment #1) > > Thanks for the bug report. I have asked `hcnmgr` command developer to look > > into this issue. We will keep you updated. > > I believe this could be solved by using existing systemd mechanism - > "conditional activation" based on detected hw Right, looking into this path now yes, for hcn-init service , it should just print out platform is not supported, or, even better, not scheduled to run.
This bug appears to have been reported against 'rawhide' during the Fedora 34 development cycle. Changing version to 34.
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This seems to have got fixed somewhere along the way, as the test isn't failing on openQA any more.