Altair has released some bug fixes and updates from its commercial version of PBS, PBS Professional, to its open-source version, OpenPBS, and says it will release more soon. The changes already implemented include fixes around Python, job execution and the rejection of jobs. Among the upcoming updates are fixes for issues around compilation, server crashes and job alteration, as well as compatibility with Ubuntu 22.04 LTS and RHEL 9. OpenPBS users can access the updates and bug fixes on GitHub.```html

Updates coming soon to OpenPBS

Announcements

At Altair we remain committed to maintaining OpenPBS alongside our commercial version, PBS Professional. We’ve recently pushed some bug fixes and updates from PBS Professional to OpenPBS and we have more coming.

The changes recently pushed to OpenPBS include:

• Remove python interpreter restart on resource CRUD ops by vishwaks · Pull Request #2559 · openpbs/openpbs · GitHub
• Fix: run job which got -default- group by vishwaks · Pull Request #2558 · openpbs/openpbs · GitHub
• Reject job if uid is not found instead of offlining vnode by vishwaks · Pull Request #2557 · openpbs/openpbs · GitHub

And we have the following updates coming soon:

• Server hook just after job accepted into queue after all defaults applied
• Job throughput may be reduced with hooks configured
• User that has the default login group job gets Held with “No Group Entry for Group -default-” in the mom log
• Cray ATOM hook will offline nodes if a user name is not yet visible from an execution host
• Fix problems in AVL tree handling duplicates
• Ubuntu 22.04 LTS: gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0: Compilation warnings and cpack errors
• RHEL 9: PBS compilation warnings
• qmgr fails with an error ‘End of File’, ‘qmgr: Protocol error, server disconnected’
• Server crashing while altering a job when python_restart_max_objects is set
• Avoid python interpreter restarts on CRUD operations on resources

Dr. Rosemary Francis, Chief Scientist for HPC Altair

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