Issue when creating experiment with r650 machines on Clemson

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yuxuan

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Aug 13, 2025, 11:13:04 PMAug 13
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Hi,

When I try to create a new experiment on the updated Clemson cluster using r650 machines, I encounter the following error:

Experiment setup on the CloudLab Clemson cluster failed: SliverStart: Failed to (re)start the event system (https://www.cloudlab.us/status.php?uuid=e4c2876e-78b8-11f0-bc80-e4434b2381fc)

Could you please help me understand what might be causing this and how to resolve it?

Thanks,
yuxuan


Mike Hibler

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Aug 14, 2025, 1:16:25 AMAug 14
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There was a screw up during the upgrade which caused some accounts and
groups to not get propogated to the new OS setup. Everything is back in
sync now, so try to create your experiment again.
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yuxuan

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Aug 15, 2025, 3:53:25 PMAug 15
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Thank you so much for your help.
I successfully created the experiment. However, the linktest failed, and I could not ping between nodes using the internal network IPs listed in /etc/hosts. When I run ip address show, I only see the public IP addresses assigned to each node. Could you please let me know whether I need to manually configure the internal IP addresses?
Here is my experiment setup url: https://www.cloudlab.us/status.php?uuid=ce29166e-78d2-11f0-bc80-e4434b2381fc

Mike Hibler

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Aug 15, 2025, 4:28:03 PMAug 15
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I guess you must have reinstantiated since this message because everything
appears to be working now.
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