[ 4465.301349] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 4465.301371] scsi host4: scsi_debug: version 0191 [20210520] dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 [ 4465.301589] scsi 4:0:0:0: Direct-Access Linux scsi_debug 0191 PQ: 0 ANSI: 7 [ 4465.302076] sd 4:0:0:0: Power-on or device reset occurred [ 4465.302207] sd 4:0:0:0: Attached scsi generic sg4 type 0 [ 4465.322150] sd 4:0:0:0: [sde] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) [ 4465.332196] sd 4:0:0:0: [sde] Write Protect is off [ 4465.332205] sd 4:0:0:0: [sde] Mode Sense: 73 00 10 08 [ 4465.352261] sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 4465.382354] sd 4:0:0:0: [sde] Preferred minimum I/O size 512 bytes [ 4465.382361] sd 4:0:0:0: [sde] Optimal transfer size 524288 bytes [ 4465.541124] sd 4:0:0:0: [sde] Attached SCSI disk [ 4465.911433] device-mapper: multipath service-time: version 0.3.0 loaded [ 4468.909283] dm-1: detected capacity change from 2097152 to 0