Replies: 1 comment
-
Hi, I think this is a question for the MUMPS Users List: https://listes.ens-lyon.fr/sympa/subscribe/mumps-users |
Beta Was this translation helpful? Give feedback.
0 replies
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
-
Hello,
I solved the real system of linear equations using mumps solver on a computer clusters. When I solved a small-scale (1000,000 unknowns), it worked. However, when I solved a large-scale (9000,000 unknowns), the code reported an error:
.....
Calling MUMPS direct solver
Step 3: Solving primal problem...
[cdr2459:238884:0:238884] Caught signal 11 (Segmentation fault: address not mapped to object at address 0x11cc8e00c)
[cdr2344:54672:0:54672] Caught signal 11 (Segmentation fault: address not mapped to object at address 0x11dbe5c6c)
[cdr2404:39251:0:39251] Caught signal 11 (Segmentation fault: address not mapped to object at address 0x11e56fc4c)
......
==== backtrace (tid: 54674) ====
0 0x000000000001f093 ucs_debug_print_backtrace() /tmp/ebuser/avx2/UCX/1.9.0/GCCcore-10.2.0/ucx-1.9.0/src/ucs/debug/debug.c:656
1 0x00000000000130f0 funlockfile() :0
2 0x00000000011fd34f dmumps_init_root_ana() ???:0
3 0x00000000012868ba dmumps_ana_driver() ???:0
4 0x00000000011ef6ee dmumps_() ???:0
5 0x0000000001125eb6 dmumps_f77_() ???:0
6 0x0000000001123aef dmumps_c() ???:0
7 0x00000000004b03ec mfem::MUMPSSolver::SetOperator() ???:0
8 0x000000000042c039 GOAFEM::solve() ???:0
9 0x0000000000419419 main() ???:0
10 0x0000000000023e1b __libc_start_main() /cvmfs/soft.computecanada.ca/gentoo/2020/usr/src/debug/sys-libs/glibc-2.30-r8/glibc-2.30/csu/../csu/libc-start.c:308
11 0x0000000000411c6a _start() ???:0
...
Can you help me solve these problems? Thanks very much.
Best wishes,
Zhengguang.
Beta Was this translation helpful? Give feedback.
All reactions