[   35.461319] Running test [R:13321883 T:51 - Storage - multipath mapping test - Kernel: 6.2.0-rc6] 
[   37.233970] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) 
[   37.234577] scsi host0: scsi_debug: version 0191 [20210520] 
[   37.234577]   dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 
[   37.235634] scsi 0:0:0:0: Direct-Access     Linux    scsi_debug       0191 PQ: 0 ANSI: 7 
[   37.236700] sd 0:0:0:0: Power-on or device reset occurred 
[   37.236801] sd 0:0:0:0: Attached scsi generic sg0 type 0 
[   37.257377] sd 0:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) 
[   37.268176] sd 0:0:0:0: [sda] Write Protect is off 
[   37.288861] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA 
[   37.319833] sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes 
[   37.320463] sd 0:0:0:0: [sda] Optimal transfer size 524288 bytes 
[   37.481988] sd 0:0:0:0: [sda] Attached SCSI disk 
[   38.055784] device-mapper: multipath service-time: version 0.3.0 loaded 
[   40.742619] dm-1: detected capacity change from 2097152 to 0 
[-- MARK -- Wed Feb  1 23:55:00 2023] 
[   49.626262] sd 0:0:0:0: [sda] Synchronizing SCSI cache