CMAQ stalls when writing new IPR output file

CMAQ Run Time Errors and Issues
1

I’m running CMAQ v5.5 on the 12US1 domain for January. This is a set-up I’ve run previously. I’ve turned on process analysis and the model is stalling out at the process analysis initialization step. The LOG files read Could not open CTM_IPR_1 file for update - try to open new. There is no additional output and the model hangs until either the requested time runs out or I kill the job.
output.txt.txt (22.8 KB)
CTM_LOG_000.v55_intel_daytimeNOx_January_cb6r5_ae7_aq_m3dry_20190101.txt (84.9 KB)

I am running the model with parallel io with a version of ioapi from @wong.david-c. I’m wondering if the problem is similar to Unable to write to AELMO even though new AELMO file successfully created. In that case, ELMO_PROC needed a block of code for #ifdef parallel_io. However, the pa_init and pa_mkhdr modules don’t have a CALL M3EXIT if the file can’t be written, so the model hangs instead of exiting at this step. I expect the underlying problem is there is no #ifdef parallel_io block of code in pa_init or pa_mkhdr, but I’m not sure which module to edit to solve the problem. Or there could be a different issue, this was just my initial suspicion.

2

Hi Alicia,

Thanks for contacting me regarding to this issue. Indeed the code was not capable to handle parallel I/O scenario. I have updated it (please see attachment) and please do a test for me and report the result. Thanks.

(Attachment pa_init.F is missing)

3

Hi Alicia,

I have renamed the file to deal to mail handler blocking the attachment. Please remove the .txt extension after downloading it.

(Attachment pa_init.F,rzr is missing)

4

Hi Alicia,

The CMAS center’s email handler keep blocking my attachment. Could you please send me your email address directly (wong.david-c@epa.gov)? Thanks.

Cheers,
David

5

Hi David,

Sure, I’ll email you to get the file. Thanks for the quick reply!

-Alicia