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 ascending Updated
xfdtd could not find the command lsb_release Software Unresolved

You may encounter the following error while running xfdtd on Cardinal:

Could not find the command 'lsb_release'.  Please install the system package that has this command.
On RHEL7/... Read more          
2 days 3 hours ago 1 day 21 hours ago
OSC Service Outage Notification Outage Resolved

We are currently experiencing outages affecting multiple services, including OnDemand (ondemand.osc.edu) and login nodes of HPC systems. Our team is actively investigating and working to resolve... Read more

1 week 21 hours ago 1 week 4 hours ago
Some MKL environment variables have incorrect paths Ascend, Cardinal, Pitzer, Software Unresolved

MKL module files define some helper environment variables with incorrect paths.  This can yield link time errors.  All three clusters are affected.  We are working to correct the module files.   A... Read more

1 week 2 days ago 1 week 2 days ago
OneDrive Connector File Transfer Issue with Globus Resolved

Update:

We deployed the fix from Globus: https://docs.globus.org/globus-connect-server/... Read more

1 week 2 days ago 1 day 20 hours ago
Resolved: Home directory space Issue with MATLAB 2024a Software Resolved

Users may experience their home directory running out of space after executing multiple MATLAB 2024a jobs. This issue is caused by the accumulation of multiple copies of the MathWorks Service... Read more

2 weeks 3 days ago 2 weeks 3 days ago
NCCL hang on Ascend dual-GPU nodes Ascend, GPU, Software Resolved
(workaround)

Users may encounter the following message and experience NCCL hangs if the first operation is a barrier when running multi-GPU training. We have identified... Read more

3 weeks 2 days ago 2 weeks 3 days ago
Python version mismatch in Jupyter + Spark instance Software Resolved
(workaround)

You may encounter the following error message when running a Spark instance using a custom kernel in the Jupyter + Spark app:

25/04/25 10:49:01 WARN TaskSetManager: Lost task 0.0 in... Read more          
1 month 5 days ago 1 month 5 days ago
Instability on Clusters after May 13 Downtime Resolved

We've been experiencing some instability on the clusters (particularly Cardinal and Ascend) following the recent May 13 downtime, especially with parallel job processing. If you notice any unusual... Read more

1 month 6 days ago 2 weeks 3 days ago
STAR error bgzf_open: Assertion failed Cardinal, Software Resolved
(workaround)

You may encounter errors that look similar to these when running STAR 2.7.10b:

STAR: bgzf.c:158: bgzf_open: Assertion `compressBound(0xff00) < 0x10000' failed.

Cause... Read more

1 month 6 days ago 3 weeks 2 days ago
WARN SparkSession in Jupyter + Spark instance Software Resolved
(workaround)

You may encounter the following warning message when running a Spark instance using the default PySpark kernel in a Jupyter + Spark application:

WARN SparkSession: Using an... Read more          
1 month 1 week ago 1 month 5 days ago

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