ah ok so this is a virtual filesystem or something, I'm still unsure what is going on. the example you provided succeeds for me as well, but...this file:
> /var/lib/hugetlbfs/global/pagesize-2097152/hugepagefile.MPICH.0.26201.kvs_4761352 Doesn't exist or something else is going on… $ls /var/lib doesn't show hugetlbfs from my launch node, but it shows up if I run the $ls /var/lib by launching the job with $aprun it evaluates to: janjust@titan-batch7:~/janjust_proj/tmp$ aprun -n 1 -N 1 ls -lah /var/lib/hugetlbfs/global/ Couldn't parse executable total 0 drwxr-xr-x 8 root root 160 Apr 1 13:45 . drwxr-xr-x 3 root root 60 Apr 1 13:45 .. drwxrwxrwt 2 root root 0 Apr 1 13:45 pagesize-131072 drwxrwxrwt 2 root root 0 Apr 1 13:45 pagesize-16777216 drwxrwxrwt 2 root root 0 Apr 2 09:52 pagesize-2097152 drwxrwxrwt 2 root root 0 Apr 1 13:45 pagesize-524288 drwxrwxrwt 2 root root 0 Apr 1 13:45 pagesize-67108864 drwxrwxrwt 2 root root 0 Apr 1 13:45 pagesize-8388608 but then "pagesize-2097152" is empty, which could be why the call is failing… -- View this message in context: http://valgrind.10908.n7.nabble.com/mpich-unable-to-munmap-hugepages-tp49150p49168.html Sent from the Valgrind - Users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
