The Ohio Supercomputer Center (OSC) is experiencing an email delivery problem with several types of messages from MyOSC. 

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
OSC OnDemand is not responsive OnDemand Resolved

OSC OnDemand is not responsive now. We are investigating the problem now. Please use other ways like ssh to connect to OSC HPC systems. 

We apologize for any inconvenience this may cause... Read more

4 years 1 month ago 4 years 1 month ago
Jobs reports 'excessive memory usage' message Owens, Pitzer Resolved

... Read more

4 years 1 month ago 2 years 3 days ago
Incorrect MPI launcher and compiler wrappers with Conda environments python/2.7-conda5.2 and python/3.6-conda5.2 Owens, Pitzer, Ruby, Software Resolved
(workaround)

Users may encounter under-performing MPI jobs or failures of compiling MPI applications if you are using Conda from system. We found pre-installed mpich2 package in some Conda environments ... Read more

4 years 1 month ago 2 years 4 days ago
Error 'libim_client.so: undefined reference to uuid@' with MVAPICH2 in Conda environment Owens, Pitzer, Software Resolved

Users may encoutner an error like 'libim_client.so: undefined reference to `uuid_unparse@UUID_1.0' while compiling MPI applications with mvapich2 in some Conda enivronments. We found pre-installed... Read more

4 years 1 month ago 2 years 2 weeks ago
Maintenance outage on the cluster export services Maintenance, OnDemand, Ruby Resolved

Update on 14 April 2020, 0903:

Work is completed.

Original message:

There will be maintenance on cluster export services on Tuesday, April... Read more

4 years 2 weeks ago 4 years 1 week ago
cuda-gdb segmentation fault on startup Owens, Pitzer, Software Resolved

The CUDA debugger, cuda-gdb, can raise a segmentation fault immediately upon execution.  A workaround before executing cuda-gdb is to unload the xalt module, e.g.: 

module unload... Read more          
3 years 12 months ago 2 years 2 weeks ago
Security Vulnerability for GPFS filesystem Resolved

Update: The fix was deployed during May 19 Downtime. 

Clients are not able to use mm* commands to manipulate GPFS ACLs on most OSC systems, due to a security vulnerability... Read more

3 years 11 months ago 3 years 11 months ago
Unable to unload Intel software stack Pitzer, Ruby, Software Resolved

Users may experience unable to unload Intel software stack via module rm intel after switching between intel and ohter compilers. This is a known issue with current versions of Lmod on Pitzer and... Read more

3 years 11 months ago 3 years 11 months ago
Problems with the home directories filesystem Resolved

 We are currently seeing problems with the home directories at OSC's HPC facility.... Read more

3 years 11 months ago 3 years 11 months ago
OnDemand unresponsive login Resolved

Some of the login nodes on Owens and Pitzer are in bad states. User can't log into OnDemand. And scratch is unresponsive sometimes. We are working on this issue. We will update when we have more... Read more

3 years 10 months ago 3 years 10 months ago

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