What do you mean short and long? Do you have the ability to control the execution time of your program without changing a single line of your code?
On 7/25/10, Jack Bryan <dtustud...@hotmail.com> wrote: > > Dear All, > I run a 6 parallel processes on OpenMPI. > When the run-time of the program is short, it works well. > But, if the run-time is long, I got errors: > [n124:45521] *** Process received signal ***[n124:45521] Signal: > Segmentation fault (11)[n124:45521] Signal code: Address not mapped > (1)[n124:45521] Failing at address: 0x44[n124:45521] [ 0] > /lib64/libpthread.so.0 [0x3c50e0e4c0][n124:45521] [ 1] > /lib64/libc.so.6(strlen+0x10) [0x3c50278d60][n124:45521] [ 2] > /lib64/libc.so.6(_IO_vfprintf+0x4479) [0x3c50246b19][n124:45521] [ 3] > /lib64/libc.so.6(_IO_printf+0x9a) [0x3c5024d3aa][n124:45521] [ 4] > /home/path/exec [0x40ec9a][n124:45521] [ 5] > /lib64/libc.so.6(__libc_start_main+0xf4) [0x3c5021d974][n124:45521] [ 6] > /home/path/exec [0x401139][n124:45521] *** End of error message *** > It seems that there may be some problems about memory management. > But, I cannot find the reason. > My program needs to write results to some files. > If I open the files too many without closing them, I may get the above > errors. > But, I have removed the writing files from my program. > The problem appears again when the program runs longer time. > Any help is appreciated. > Jack > July 25 2010 > > _________________________________________________________________ > Hotmail is redefining busy with tools for the New Busy. Get more from your > inbox. > http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_2 -- Sent from my mobile device David Zhang University of California, San Diego
