mpiexec.hydra of intel2018/2021 not starting at RHEL8.6

[Hod]

Hey, I expirence the same issue, running `mpiexec.hydra -n 2 hostname` and expirence a hang. I'm in the devcloud training settings so I don't have sudo premissions.


u93125d006c73d2a609ac3c26cca2505@idc-beta-batch-pvc-node-10:~$ hostnamectl
Static hostname: idc-beta-batch-pvc-node-10
Icon name: computer-server
Chassis: server
Machine ID: f2a7a19a3e5228647c4a58ccc7f28152
Boot ID: 49f29dbbc8a2416898578330d09f0910
Operating System: Ubuntu 22.04.4 LTS
Kernel: Linux 5.15.0-106-generic
Architecture: x86-64
Hardware Vendor: Intel Corporation
Hardware Model: D50DNP1SBB
u93125d006c73d2a609ac3c26cca2505@idc-beta-batch-pvc-node-10:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 52 bits physical, 57 bits virtual
Byte Order: Little Endian
CPU(s): 224
On-line CPU(s) list: 0-223
Vendor ID: GenuineIntel
Model name: Intel(R) Xeon(R) Platinum 8480+
CPU family: 6
Model: 143
Thread(s) per core: 2
Core(s) per socket: 56
Socket(s): 2
Stepping: 8
CPU max MHz: 3800.0000
CPU min MHz: 800.0000
BogoMIPS: 4000.00
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2
ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg
fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdran
d lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cat_l2 cdp_l3 invpcid_single cdp_l2 ssbd mba ibrs ibpb
stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 e
rms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb intel_pt avx512cd sha_ni
avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local split_
lock_detect avx_vnni avx512_bf16 wbnoinvd dtherm ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req a
vx512vbmi umip pku ospke waitpkg avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg tme avx512_vp
opcntdq la57 rdpid bus_lock_detect cldemote movdiri movdir64b enqcmd fsrm md_clear serialize tsxldtrk pcon
fig arch_lbr amx_bf16 avx512_fp16 amx_tile amx_int8 flush_l1d arch_capabilities
Virtualization features:
Virtualization: VT-x
Caches (sum of all):
L1d: 5.3 MiB (112 instances)
L1i: 3.5 MiB (112 instances)
L2: 224 MiB (112 instances)
L3: 210 MiB (2 instances)
NUMA:
NUMA node(s): 2
NUMA node0 CPU(s): 0-55,112-167
NUMA node1 CPU(s): 56-111,168-223
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec rstack overflow: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Spectre v2: Mitigation; Enhanced IBRS; IBPB conditional; RSB filling; PBRSB-eIBRS SW sequence; BHI BHI_DIS_S
Srbds: Not affected
Tsx async abort: Not affected
u93125d006c73d2a609ac3c26cca2505@idc-beta-batch-pvc-node-10:~$ echo $I_MPI_ROOT
/opt/intel/oneapi/mpi/2021.12

[TobiasK]

@Hod 
please do not reply to old threads, you do not have the same issue at all.

can you please set

export I_MPI_HYDRA_BOOTSTRAP=ssh

before launching mpiexec?