FRU busy error workaround

[chu11]

I have the error "ipmi_sdr_cache_iterate: error returned in callback" on a Lenovo x3650 M5 Server HW rev 9. Other M5s working well.

The last section in debug before closing the session is below. This has no meaning for me, and any help is much appreciated.

10.100.212.11: =====================================================
10.100.212.11: IPMI 2.0 Get FRU Inventory Area Info Response
10.100.212.11: =====================================================
10.100.212.11: RMCP Header:
10.100.212.11: ------------
10.100.212.11: [               6h] = version[ 8b]
10.100.212.11: [               0h] = reserved[ 8b]
10.100.212.11: [              FFh] = sequence_number[ 8b]
10.100.212.11: [               7h] = message_class.class[ 5b]
10.100.212.11: [               0h] = message_class.reserved[ 2b]
10.100.212.11: [               0h] = message_class.ack[ 1b]
10.100.212.11: IPMI RMCPPLUS Session Header:
10.100.212.11: -----------------------------
10.100.212.11: [               6h] = authentication_type[ 4b]
10.100.212.11: [               0h] = reserved1[ 4b]
10.100.212.11: [               0h] = payload_type[ 6b]
10.100.212.11: [               1h] = payload_type.authenticated[ 1b]
10.100.212.11: [               1h] = payload_type.encrypted[ 1b]
10.100.212.11: [        638898C2h] = session_id[32b]
10.100.212.11: [              B1h] = session_sequence_number[32b]
10.100.212.11: [              20h] = ipmi_payload_len[16b]
10.100.212.11: IPMI RMCPPLUS Payload:
10.100.212.11: ----------------------
10.100.212.11: [  BYTE ARRAY ... ] = confidentiality_header[16B]
10.100.212.11: [ 38h 2Dh E7h A8h 52h 65h 91h 6Fh ]
10.100.212.11: [ FCh A8h 2Bh CDh DBh B9h E2h 19h ]
10.100.212.11: [  BYTE ARRAY ... ] = payload_data[ 8B]
10.100.212.11: [ 81h 2Ch 53h 20h 84h 10h 81h CBh ]
10.100.212.11: [ 707060504030201h] = confidentiality_trailer[64b]
10.100.212.11: IPMI Message Header:
10.100.212.11: --------------------
10.100.212.11: [              81h] = rq_addr[ 8b]
10.100.212.11: [               0h] = rq_lun[ 2b]
10.100.212.11: [               Bh] = net_fn[ 6b]
10.100.212.11: [              53h] = checksum1[ 8b]
10.100.212.11: [              20h] = rs_addr[ 8b]
10.100.212.11: [               0h] = rs_lun[ 2b]
10.100.212.11: [              21h] = rq_seq[ 6b]
10.100.212.11: IPMI Command Data:
10.100.212.11: ------------------
10.100.212.11: [              10h] = cmd[ 8b]
10.100.212.11: [              81h] = comp_code[ 8b]
10.100.212.11: IPMI Trailer:
10.100.212.11: -------------
10.100.212.11: [              CBh] = checksum2[ 8b]
10.100.212.11: IPMI RMCPPLUS Session Trailer:
10.100.212.11: ------------------------------
10.100.212.11: [            FFFFh] = integrity_pad[16b]
10.100.212.11: [               2h] = pad_length[ 8b]
10.100.212.11: [               7h] = next_header[ 8b]
10.100.212.11: [  BYTE ARRAY ... ] = authentication_code[12B]
10.100.212.11: [ DEh 3Ah 51h DDh 19h F9h 9Bh 0Ch ]
10.100.212.11: [ F5h 0Bh F2h 18h ]
ipmi_fru_open_device_id: internal IPMI error
ipmi_sdr_cache_iterate: error returned in callback