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 Postedsort descending Updated
Rolling Reboot for Security Fix Resolved

A rolling reboot is in progress to address CVE-2026-23111 (nf_tables logic bug) for all clusters, including Ascend, Cardinal, and Pitzer. Login nodes will be rebooted first and access...

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1 month 4 weeks ago 1 month 2 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...

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1 month 1 week ago 2 weeks 3 days ago
Linaro MAP fails to launch in linaro-forge/23.0.4 Cardinal, Software Resolved
(workaround)

Linaro MAP can fail to work in linaro-forge/23.0.4

We recommend to use linaro-forge/25.1.3 instead

2 weeks 5 days ago 2 weeks 5 days 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...

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1 week 1 day ago 1 week 1 day ago

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