[MITgcm-devel] model crashes when opening scratch units

[Martin Losch]

Hi Matt,

thanks, that’s the flag I was looking for, it works for me too (except for all the “scratch*” files).

M.

> On 16 Apr 2015, at 18:56, Matthew Mazloff <mmazloff at ucsd.edu> wrote:
> 
> Hi Martin
> 
> Yes, I sometimes get this when running with lots of cores, so I don't think Cray_XC30 is the only platform where this is an issue.
> 
> However defining 
> #define TARGET_CRAYXT
> in CPP_EEOPTIONS.h
> always fixes it
> 
> Matt
> 
> On Apr 16, 2015, at 8:16 AM, Martin Losch <Martin.Losch at awi.de> wrote:
> 
>> Hi there,
>> 
>> this is probably not directly related to the MITgcm, but when I try to run the model on ECMWF’s Cray_XC30, I sometimes (depends a little on the number processors) get this type of error message:
>> 
>>> lib-4051 : UNRECOVERABLE library error 
>>> The file must not exist prior to OPEN if STATUS is 'NEW'.
>>> 
>>> Encountered during an OPEN of unit 11
>>> Fortran unit 11 is not connected
>>> 
>>> lib-4051 : UNRECOVERABLE library error 
>>> The file must not exist prior to OPEN if STATUS is 'NEW'.
>>> 
>>> Encountered during an OPEN of unit 11
>>> Fortran unit 11 is not connected
>>> Application 56285485 is crashing. ATP analysis proceeding...
>>> 
>>> ATP Stack walkback for Rank 579 starting:
>>> _start at start.S:113
>>> __libc_start_main at libc-start.c:242
>>> main at main.f:4353
>>> eeboot_ at eeboot.f:1583
>>> eeset_parms_ at eeset_parms.f:1821
>>> _OPEN at 0xa3a47d
>>> __OPN at 0xa3a22c
>>> _f_open at 0xa380a4
>>> _ferr at 0xa33d6a
>>> abort at abort.c:92
>>> raise at pt-raise.c:42
>>> ATP Stack walkback for Rank 579 done
>>> …
>> 
>> The line in eeset_parms.f is the one where the first scratch unit is opened.
>>     OPEN(UNIT=scrUnit1,STATUS='SCRATCH')
>>     OPEN(UNIT=scrUnit2,STATUS='SCRATCH’)
>> 
>> Has anyone had this problem? Is this a hardware bug?
>> 
>> Martin
>> 
>> 
>> 
>> 
>> 
>> 
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> 
> 
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