No idea. Perhaps petscmpiexec could be modified so it only ran valgrind on the first 10 ranks? Not clear how to do that. Or valgrind should get a MR that removes this small arbitrary limitation on the number of processes. 576 is so 2000 :-)
Barry > On Dec 14, 2020, at 11:59 PM, Fande Kong <[email protected]> wrote: > > Hi All, > > I tried to use valgrind to check if the simulation is valgrind clean because > I saw some random communication fails during the simulation. > > I tried this command-line > > petscmpiexec -valgrind -n 576 ../../../moose-app-oprof -i input.i -log_view > -snes_view > > > But I got the following error messages: > > valgrind: Unable to start up properly. Giving up. > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_8c3fabf2 > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_8cac2243 > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_da8d30c0 > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_877871f9 > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_c098953e > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_aa649f9f > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_097498ec > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_bfc534b5 > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_7604c74a > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_a1fd96bb > ==75586== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_4c8857d8 > valgrind: Startup or configuration error: > valgrind: Can't create client cmdline file in > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75586_cmdline_4c8857d8 > valgrind: Unable to start up properly. Giving up. > ==75596== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75596_cmdline_bc5492bb > ==75596== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75596_cmdline_ec59a3d8 > valgrind: Startup or configuration error: > valgrind: Can't create client cmdline file in > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75596_cmdline_ec59a3d8 > valgrind: Unable to start up properly. Giving up. > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_b036bdf2 > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_105acc43 > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_9fb792c0 > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_30602bf9 > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_21eec73e > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_0b53e99f > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_73e31aec > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_486e8eb5 > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_db8c194a > ==75597== VG_(mkstemp): failed to create temp file: > /var/tmp/pbs.3110013.sawtoothpbs/valgrind_proc_75597_cmdline_839780bb > > > I did a bit search online, and found something related > https://stackoverflow.com/questions/13707211/what-causes-mkstemp-to-fail-when-running-many-simultaneous-valgrind-processes > > <https://stackoverflow.com/questions/13707211/what-causes-mkstemp-to-fail-when-running-many-simultaneous-valgrind-processes> > > But do not know what is the right way to fix the issue. > > Thanks so much, > > Fande, >
