Known issues

Unresolved known issues

Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.

Resolved known issues

A known issue with a Resolved (workaround) Resolution state is an ongoing problem; a permanent workaround is available which may include using different software or hardware.

A known issue with Resolved Resolution state has been corrected.

Known Issues

Title Category Resolution Description Posted Updatedsort descending
ptrace Disabled so Debuggers and Tracers Do Not Work Resolved

ptrace has been disabled globally across all OSC systems to mitigate a newly identified Linux kernel vulnerability. This disables most functionality of debuggers,...

Read more
4 months 13 hours ago 1 month 3 weeks ago
Rolling Reboot of all three HPC clusters beginning July 7 Resolved

A rolling reboot is scheduled to remediate a ptrace vulnerability and safely restore debugger functionality for all clusters, including Ascend, Cardinal, and Pitzer...

Read more
2 months 2 weeks ago 1 month 3 weeks ago
NCCL 2.29 Performance Regression on Ascend and Pitzer Clusters Ascend, Pitzer, Software Resolved
(workaround)

We have identified a potential performance regression in point-to-point communication when using NCCL version 2.29 on the Ascend and Pitzer clusters, which results...

Read more
1 month 1 week ago 1 month 1 week ago
Temporary Login Node Instability on Ascend and Cardinal Ascend, Cardinal Unresolved

We are currently experiencing temporary instability on the Ascend and Cardinal login nodes, which may result in slow response times or unexpected session disconnects. Our team is actively...

Read more
3 months 2 weeks ago 2 weeks 5 days ago
Emergency Maintenance: Research Data Storage Scratch Purge filesystem Resolved
  • Status: Scheduled

  • ...
Read more
2 weeks 4 days ago 1 week 5 days ago

Pages