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cuMemHostRegister Fails with CUDA_ERROR_INVALID_VALUE on RHEL 9.6 |
Ascend, Cardinal, GPU, system software |
Resolved |
After upgrading the operating system to RHEL 9.6 during the scheduled downtime on May 12, 2026, applications utilizing UCX (... Read more |
3 months 1 week ago |
2 months 2 weeks ago |
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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 |
6 years 4 months ago |
4 years 5 months ago |
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Critical change about using $PFSDIR directory at OSC |
Batch |
Resolved |
Starting from Thursday, Feb 2nd, the $PFSDIR directory on scratch (/fs/scratch) won’t be created by job prologue. For example, if you simply use the command cd $PFSDIR,... Read more |
9 years 7 months ago |
9 years 6 months ago |
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cp2k/2023.2 can produce huge output containing MKL messages |
Ascend, Cardinal, Pitzer, Software |
Resolved (workaround) |
On all clusters the cp2k executables from module cp2k/2023.2 can produce huge output files due to many many repeating errors from MKL, e.g.:
... Read more |
1 year 1 month ago |
11 months 1 week ago |
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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... Read more |
5 years 2 months ago |
1 year 3 months ago |
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CP2K 6.1 Floating-point exception on Pitzer Cascade Lakes (48-core) node |
Owens, Pitzer |
Resolved |
Program received signal SIGFPE: Floating-point exception - erroneous arithmetic operation.
Backtrace for this error:
Thid could be a bug in libxsmm 1.9.0 which is released on Mar 15... Read more |
1 year 10 months ago |
1 year 10 months ago |
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CP package hang with MVAPICH3 in Quantum-Espresso |
Software |
Resolved |
While using MVAPICH3 builds of Quantum ESPRESSO (QE), users may encounter hangs when running the CP package, which can lead to job timeouts. We recommend switching to the OpenMPI build of... Read more |
1 year 2 months ago |
9 months 2 weeks ago |
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Correction on OSC project restriction email |
Account Management |
Resolved |
Updated:
OSC has resolved this morning's issue and reverted impacted projects back to an ACTIVE status. Queued jobs under those projects will be able to start once today's... Read more |
5 years 2 months ago |
5 years 2 months ago |
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Core label on OnDemand app is incorrect |
OnDemand |
Resolved |
The core label on the OnDemand app incorrectly displays as '1', regardless of the requested number of cores for a job. While this label is incorrect, the job is still allocated the correct number... Read more |
1 year 8 months ago |
1 year 7 months ago |
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Core and Node labels on Classroom app are incorrect |
|
Resolved |
The core and node labels on the Classroom app (class.osc.edu) incorrectly displays as '0', regardless of the requested number of cores for a job. While this label is incorrect, the job is still... Read more |
1 year 8 months ago |
1 year 7 months ago |