Scheduled Downtime
On Wednesday 09 March 2022 from 6am to 10am MT, the website will be down for maintenance


  1. M

    Errors when call shr_mpi_bcast

    Hello, I am trying to add some code for reading some data in cime_comp_mod.F90 referring to the code of cpl reading restart file. But when I add the following line in the code, the program will report a error: I have ensured that the parameters passed into the shr_mpi_bcast are consistent...
  2. hywang

    Error when doing the case.setup in CESM2.2

    Hello everyone, I got an error when I run ./case.setup, and the error info is: ERROR: Could not find a matching MPI for attributes: {'mpilib': 'impi', 'threaded': False, 'compiler': 'intel'} I think this may be caused by a wrong setting of my machine or complier's config file. However, about...
  3. F

    MPI issues with script file

    Dear CESM community, I'm a beginner with CLM5.0 but I have already spent several months trying to make it work without success. I'm really looking now for some help or advice. In fact, I'm not able to perform a complete run since issues appear at the ./case.submit step. As far as I have...
  4. V

    execute cesm.exe

    Hello I am trying to run cesm without using case.submit (or, I mean directly executing cesm.exe, but that does not work at all. My porting is otherwise correct since a "normal" ./case.submit is successful, and I do not understand what is missing. All the needed files seem to be...
  5. liyue1

    MPI error (MPI_File_write_at_all) : I/O error (CESM2.1.1 on Cheyenne)

    Hello there! Recently, I'm running the CESM2.1.1 on Cheyenne with a compset of the piControl. The simulation has successfully run for 55 years, and gets stuck in MPI error during last weekend. Below shows the MPI error in the log file: 1: Opened file...
  6. D

    Waccmx runtime error

    My environment: When I run the waccmx case, it's been automatically canceled. So I check the log, the key error information show blow: My cesm version is 2.1.3, and you can see the detail in the file named version_info.txt. And you can see the change which I made to the XML files in the bash...
  7. A

    known problem with mpiexec_mpt on cheyenne

    Affected release: CESM2.0.0Affected machine: cheyenne.ucar.eduThere is a known problem with launching MPI jobs on cheyenne such that the user may be required to resubmit the model using the case.submit script repeatedly before the model run is launched successfully. The problem will produce...
  8. J

    relocation R_X86_64_PC32 (INTEL COMPILER)

    This error indicates that the model size requirement is too large to fit the default memory model, solutions vary depending on the case: If you are using netcdf 4.6.0 and newer and pio 1_8_12 or older there is an incompatibility that presents this error.  You may update to pio1_8_14.  If you are...