[ 82.897860] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 82.897881] scsi host0: scsi_debug: version 0191 [20210520] dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 [ 82.898178] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0191 PQ: 0 ANSI: 7 [ 82.898386] sd 0:0:0:0: Power-on or device reset occurred [ 82.898707] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 82.918451] sd 0:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) [ 82.928477] sd 0:0:0:0: [sda] Write Protect is off [ 82.928482] sd 0:0:0:0: [sda] Mode Sense: 73 00 10 08 [ 82.948568] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 82.978807] sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes [ 82.978815] sd 0:0:0:0: [sda] Optimal transfer size 524288 bytes [ 83.119286] sd 0:0:0:0: [sda] Attached SCSI disk [ 83.585286] device-mapper: multipath service-time: version 0.3.0 loaded [ 86.287556] dm-1: detected capacity change from 2097152 to 0