[ 46.264606] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 46.267134] scsi host0: scsi_debug: version 0191 [20210520] dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 [ 46.271281] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0191 PQ: 0 ANSI: 7 [ 46.274507] sd 0:0:0:0: Power-on or device reset occurred [ 46.274776] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 46.295876] sd 0:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) [ 46.307708] sd 0:0:0:0: [sda] Write Protect is off [ 46.308841] sd 0:0:0:0: [sda] Mode Sense: 73 00 10 08 [ 46.328940] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 46.361085] sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes [ 46.362622] sd 0:0:0:0: [sda] Optimal transfer size 524288 bytes [ 46.542821] sd 0:0:0:0: [sda] Attached SCSI disk [ 47.136835] device-mapper: multipath service-time: version 0.3.0 loaded [ 50.162046] dm-1: detected capacity change from 2097152 to 0