[mpich-discuss] error :Assertion failed in file ch3u_buffer.c at line 77: 0 memcpy argument memory ranges overlap

[loc duong ding]

I solve the problem by switch to openmpi. Maybe the package is written for openmpi. 

Thank you for all instructions. 

With best wishes,
Loc. 


>________________________________
> From: Dave Goodell <goodell at mcs.anl.gov>
>To: loc duong ding <mambom1902 at yahoo.com> 
>Cc: "mpich-discuss at mcs.anl.gov" <mpich-discuss at mcs.anl.gov> 
>Sent: Friday, June 29, 2012 8:21 AM
>Subject: Re: [mpich-discuss] error :Assertion failed in file ch3u_buffer.c at line 77: 0 memcpy argument memory ranges overlap
> 
>On Jun 28, 2012, at 9:33 PM MDT, loc duong ding wrote:
>
>> Thank you for your suggestions. Finally, I succeeded to compile mpich with configure option: configure --prefix=/home/users/dinhloc1984/mpich2 --enable-fc --enable-f77 --with-device=ch3:nemesis:m FC=gfortran F77=gfortran CC=gcc.
>> 
>> But I have problem when I run the mpiexec. I got the error: 
>> 
>> MX:node1:mx_init:querying driver:error 5(errno=2):No MX device entry in /dev.
>
>I haven't personally setup Open-MX.  But presumably you need to do something to install the driver and cause "/dev/SOMETHING" to show up (I don't know what "SOMETHING" is actually named).  Consider contacting the Open-MX team for help with this.
>
>> I try to looking for some instruction in manual, but I can not see it. 
>> 
>>> 
>>> As for the distinct buffers, just don't try to send and 
>>> receive from the same buffer at the same time, it simply doesn't make 
>>> sense (the receive can corrupt the send data). 
>>> 
>> For the buffer problem, I can not manage the code in the OPENMX package. Is there possible to solve this problem by mpich2 set up? 
>
>
>The code that is buggy is not the Open-MX code, but rather the application code that you are compiling with mpicc/mpif77/mpif90/mpicxx.  I can't/won't debug this for you, you need to do the work here.
>
>-Dave
>
>
>
>
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