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 Resolutionsort descending Description Posted Updated
Large MPI job startup hang with mvapich2/2.3 and mvapich2/2.3.1 Owens, Pitzer, Software Resolved
(workaround)

We have found that large MPI jobs may hang at startup with mvapich2/2.3 and mvapich/2.3.1 (on any compiler dependency) due to a known bug that has been fixed in release 2...

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6 years 11 months ago 1 year 5 months ago
Cannot login to clusters Resolved

As of around 3PM today (Thursday 6/12), we have reports of users being unable to login in to the clusters.  The error message given will make it sound like your password is incorrect, although it...

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12 years 4 months ago 12 years 4 months ago
Backup Issues Backups Resolved

Updates on 04/17:

OSC has conducted thorough validations to ensure the integrity of our backup data for user home directories and the /fs/ess filesystem. 

...

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2 years 6 months ago 2 years 5 months ago
Rolling reboot of Owens and Ruby, starting from 8 AM Monday, August 6, 2018 Owens, Ruby Resolved

10:16 AM 8/13/2018 Update:

The rolling reboot of Owens has been completed.

9:00 AM 8/10/2018 Update:

The rolling reboot of Ruby has been...

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8 years 2 months ago 8 years 2 months ago
STAR-CCM+ MPI job failure Cardinal, Software Resolved
(workaround)

STAR-CCM+ encounters errors when running MPI jobs using Intel MPI or Open MPI, displaying the following message:

ib_iface.c:1139 UCX ERROR Invalid active_speed on...
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1 year 11 months ago 3 months 2 weeks ago
Switch failure on Nov 17 2018 filesystem, login Resolved

Updates at 12:51 PM Nov 19:

At about 5:00 am on November 18th, OSC experienced another major switch failure. As of noon Nov 18, all services have been fully restored. In...

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7 years 10 months ago 7 years 10 months ago
CP2K 6.1 would fail on Pitzer Cascade Lakes (48-core) node: Pitzer Resolved
(workaround)

CP2K 6.1 would fail with the following error when running on Pitzer Cascade Lakes (48-core) node:

Program received signal SIGFPE: Floating-point exception - erroneous arithmetic...
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5 years 3 months ago 1 year 5 months ago
Glenn Intel v11 and later do not support -mkl flag Software Resolved

Intel compiler versions 11 and later on Glenn do not support the -mkl compiler options.  Contact oschelp@osc.edu...

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10 years 8 months ago 10 years 1 month 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...

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1 year 4 months ago 1 year 4 months ago
Backups of /nfs/gpfs Backups Resolved

Changes to files on /nfs/gpfs may not be backed up during the following evening's backup, as would normally be expected. The backup software is attempting to recreate a full backup of the...

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13 years 5 months ago 13 years 5 months ago

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