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

Titlesort descending Category Resolution Description Posted Updated
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 3 weeks ago 1 month 3 weeks ago
PyTorch hangs on dual-gpu node on Ascend Ascend, GPU Resolved
(workaround)

PyTorch can hang on Ascend on dual-GPU nodes

Through internal testing, we have confirmed that the hang issue only occurs on Ascend dual-GPU (nextgen) nodes. We’re still unsure why... Read more

2 months 1 week ago 2 months 1 day ago
PyTorch jobs timeout and hanging GPU Resolved

We have observed that many PyTorch users frequently encounter random timeouts, which result in the termination of their jobs but leave the process running on the node.... Read more

1 year 11 months ago 1 year 6 months ago
qsub filter rejects valid jobs Resolved

Job scripts submitted on Glenn, Oakley, or Ruby all go a submit filter before reaching the resource manager, Torque.  A bug has been discovered in our submit filter which prevents jobs with the... Read more

10 years 3 months ago 9 years 9 months ago
quota exceeded error when using chgrp in /fs/ess directories filesystem Resolved

Users may receive an error when using the chgrp command on data in /fs/ess/ locations.

$ chgrp -v PEX1234 my-file.txt
chgrp: changing group of 'my-file.txt': Disk quota exceeded
failed... Read more          
2 years 5 months ago 2 years 4 months ago
Replacement of Owens Ethernet switches from Dec 14, 2018 Network, Owens Resolved

Updated on Jan 16, 2019, at 09:20 AM:

The replacement is done except for the three switches including the login nodes of Owens. We posted another notice for more... Read more

6 years 9 months ago 6 years 5 months 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

1 month 2 days ago 1 month 2 days ago
Rolling reboot of all clusters, starting from 8 AM Tuesday, June 19, 2018 Batch, Owens, Ruby Resolved

Posted on June 12, 2018, at 4:40 PM:

We will have rolling reboots of three clusters (Owens, Ruby, and Oakley) including login and compute nodes, starting from 8 AM Tuesday... Read more

7 years 3 weeks ago 7 years 4 days ago
Rolling reboot of all clusters, starting from 9:30 AM June 05, 2019 Batch, login, Owens, Pitzer, Ruby Resolved

Update #2 Posted on 14 June 2019 12:33 PM

The rolling reboots of all clusters are completed. Please contact oschelp@osc.edu if you... Read more

6 years 1 month ago 6 years 3 weeks ago
Rolling reboot of all clusters, starting from Wednesday morning, April 19, 2017 Batch, Maintenance, Owens, Ruby Resolved

1:40PM 4/27/2017 Update: Rolling reboots are completed. 

3:10PM 4/18/2017 Update: Rolling reboots on Owens have started to address GPFS errors occured... Read more

8 years 2 months ago 8 years 2 months ago

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