[QE-users] DFT + U phonon calculation keeps on crashing at same mode

[Johannes Meusburger - STFC UKRI]

Dear all,

I wanted to compute the phonon frequencies for FeSO4 x 4H2O at the gamma point at the DFT + U level. However, the calculation keeps on crashing at the same mode (i.e. Representation # 115 mode # 117). ph.x does not show any error but my cluster's error file states:

cpu-bind=MASK - cn044, task  0  0 [80073]: mask 0xffffffffffffffff set
mlx5: cn053.scarf.rl.ac.uk: got completion with error:
00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000
00000019 00000000 00000000 00000000
00000000 00008813 08027c5f 678857d3
[[55717,1],192][btl_openib_component.c:3645:handle_wc] from cn053 to: cn054 error polling LP CQ with status REMOTE ACCESS ERROR status number 10 for wr_id 3f7e980 opcode 1  vendor error 136 qp_idx 0

The same calculation at the LDA level (without Hubbard U) completed without any problems.

I have attached the pw.x and ph.x input and output files for the DFT + U calculation. Any help to resolve this issue would be very much appreciated.

Many thanks and all the best,

Johannes Meusburger
ISIS/Diamond/University of Exeter


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