I can see a lot like this at target side: [10350.476603] sbc_parse_cdb: 64 callbacks suppressed [10350.476606] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.482549] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.488035] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.493533] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.499247] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.504729] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.510210] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.515944] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.521441] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10350.526907] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.048522] sbc_parse_cdb: 48 callbacks suppressed [10356.048529] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.473505] SCSI OP 2ah with too big sectors 2040 exceeds backend hw_max_sectors: 1024 [10356.476077] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.481830] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.595303] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.601056] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.711844] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.717816] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.801998] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10356.803810] SCSI OP 2ah with too big sectors 2048 exceeds backend hw_max_sectors: 1024 [10362.101790] sbc_parse_cdb: 63 callbacks suppressed