allspace--- via slurm-users <slurm-users@lists.schedmd.com> writes:
srun: error: Task launch for StepId=10.0 failed on node node-3: Header lengths are longer than data received srun: error: Application launch failed: Header lengths are longer than data received srun: Job step aborted
Here is the logs on node-3:
[2026-06-16T12:45:20.645] error: _verify_signature: failed decode [2026-06-16T12:45:20.645] error: Malformed RPC of type REQUEST_LAUNCH_TASKS(6001) received [2026-06-16T12:45:20.653] error: slurm_unpack_msg_and_forward: [192.168.245.1:59308] failed: Header lengths are longer than data received [2026-06-16T12:45:20.663] error: wrap_on_data: [192.168.245.133:6818(fd:13)] on_data returned rc: Header lengths are longer than data received
My suggestion: Double check that all hosts have the same slurm.key. -- Regards, Bjørn-Helge Mevik, dr. scient, Department for Research Computing, University of Oslo