memory issue in nonblocking.c?

[Wei-keng Liao]

Hi, Jim

What is the test program?

Wei-keng

On Oct 26, 2017, at 8:29 PM, Jim Edwards wrote:

> I've run out of ideas on how to debug this, hope you can help.
> 
> I have a job that crashes at line 1000 in nonblocking.c of pnetcdf version 1.8.1
> 
> I started out managing my own requests but then switched to letting pnetcdf handle them internally, but it still crashes in the same spot.  
> 
> I'm using intel 17.0.1 and mpt (sgi) 2.16 
> 
> Here is a partial trace:
> 
> 73:MPT: #7  0x0000000001e77732 in ncmpii_del_mem_entry (buf=0x1ad4cc70) at malloc.c:174
> 
> 73:MPT: #8  0x0000000001e77a90 in NCI_Free_fn (ptr=0x1ad4cc70, lineno=1000, 
> 
> 73:MPT:     func=0x23cda56 <__$U8> 'ncmpii_wait\000', 
> 
> 73:MPT:     filename=0x23cd964 'nonblocking.c\000') at malloc.c:276
> 
> 73:MPT: #9  0x0000000001e70f6d in ncmpii_wait (ncp=0x1a97dbb0, io_method=1, 
> 
> 73:MPT:     num_reqs=-1, req_ids=0x0, statuses=0x0) at nonblocking.c:1000
> 
> 73:MPT: #10 0x0000000001e6f10a in ncmpi_wait_all (ncid=7, num_reqs=-1, req_ids=0x0, 
> 
> 73:MPT:     statuses=0x0) at nonblocking.c:494
> 
> 
> -- 
> Jim Edwards
> 
> CESM Software Engineer
> National Center for Atmospheric Research
> Boulder, CO