[[TOC]]

This page is intended to give a short overview on known issues and to provide potential solutions and workarounds to the issues seen.

''Last update: 2022-07-01''

**Please, use the support mailing list `sup(at)deep-sea-project.eu` to report any issues**

{{{#!comment highlighted red text 
[[span(style=color: #FF0000, System maintenance from Monday, 2020-09-07 to Friday, 2020-09-11, no user access !)]] 
}}}

To stay informed, please refer to the [wiki:Public/User_Guide/News News page]. Also, please pay attention to the information contained in the "Message of the day" displayed when logging onto the system.

== Detected HW and node issues ==
=== CM nodes ===
 * dp-cn25: SEL ProblemsFW issues (#2769)

 * dp-cn27: MCE Errors found (#2919)

=== DAM nodes ===
 * dp-dam02: reserved for FPGA tests
 * dp-dam03: PCI link speed degraded (#2931)
 * dp-dam10: PMEM module issue (#2875)
 * dp-dam16: testbed

=== ESB nodes ===
 * dp-esb[07]: used for Rocky 8.6 tests
 * dp-esb[11]: memory issues

=== SDV nodes ===
 * deeper-sdv cluster nodes (Haswell) have been taken offline: deeper-sdv[01-16]
   * not included in SLURM anymore
   * deeper-sdv[09-10] used for testing (please contact j.kreutz(at)fz-juelich.de if you would like to get access

 * knl01: serves as golden client for imaging only

 * dp-sdv-esb[01,02]: Slurm update required

== Software issues ==
=== nvidia driver mismatch ===
 * loading CUDA module and trying to run `nvidia-smi` (or any application trying to use the GPU) leads to

{{{
Failed to initialize NVML: Driver/library version mismatch
}}}
 * workaround is to unload the unload the driver module: `ml -nvidia-driver/.default`
 * for furhter information, please also see  [https://gitlab.jsc.fz-juelich.de/hps-public/easybuild-repository/-/wikis/Failed-to-initialize-NVML-Driver-library-version-mismatch-message here][[BR]]

=== Easybuild ===
 * Moving the new Easybuild stage 2022 (in February) might cause unexpected behavior and problems with the installed software components:

{{{#!comment JK: invalid

=== GPU direct usage with Extoll on DAM ===
 * new Extoll driver for GPU direct over Extoll still shows low performance on the DAM nodes
 * available via Developer stage, for testing load:

{{{
ml --force purge
ml use $OTHERSTAGES
ml load Stages/Devel-2020
ml load Intel
ml load ParaStationMPI
}}}
 * expect performance (and maybe also stability) issues

}}}