Error message with damp_opt

[llsalazardom]

Hello
I'm running WRF v4.4 and I’ve set my namelist.input with damp_opt = 1 or 2. However, with both options, I get the following error message:

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

However, if I set damp_opt = 0, the model runs successfully.
I’d appreciate any insight into what might be causing this issue.

I'm attaching the namelist* and log* files.
Thanks for any help.

 

[kwerner]

Have you tried damp_opt=3? That is the default option, so I'm curious whether it would work for you. It's similar to option 2, but option 2 is actually for idealized cases, while option 3 is for real-data cases.

 

[llsalazardom]

Hi, thanks for your help.
When I set damp_opt = 3, the model runs successfully. The error appears only when I set damp_opt = 1 or 2. The only difference is that with damp_opt = 2, the segmentation fault error appears in both the rsl.error.0000 and wrf.log files, while with damp_opt = 1, the error only shows up in the wrf.log file.

srun: error: nid001501: task 121: Segmentation fault

 

[kwerner]

Do you need to specifically use damp_opt = 1 (as mentioned previously, option 2 is for idealized cases, so if this is a real-data case, you shouldn't be using that option anyway), or are you content with continuing with option 3, since it's working?

 

[llsalazardom]

Hi, yes, I can use damp_opt = 3. With this option, it runs successfully. Thank you for your help.