In-depth understanding of seven SPDK: Troubleshooting common issues Part C

Memory multiplexing

starting write I/O failed, push back, reback to previous status

Writing data length is 0

phenomenon:

nvme_qpair.c: 137:nvme_io_qpair_print_command: *NOTICE*: WRITE sqid:1 cid:71 nsid:1 lba:0 len:65536
nvme_qpair.c: 306:nvme_qpair_print_completion: *NOTICE*: INVALID FIELD (00/02) sqid:1 cid:71 cdw0:0 sqhd:      00bd p:0 m:0 dnr:1

Solution:
value of the parameter length corresponding to the read-write interface nvme check call is 0, if 0 needs to be modified.