[  721.511825] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1)
[  721.520870] scsi host48: scsi_debug: version 0191 [20210520]
                 dev_size_mb=6144, opts=0x0, submit_queues=1, statistics=0
[  721.533433] scsi 48:0:0:0: Direct-Access     Linux    scsi_debug       0191 PQ: 0 ANSI: 7
[  721.542059] sd 48:0:0:0: Attached scsi generic sg0 type 0
[  721.542207] sd 48:0:0:0: Power-on or device reset occurred
[  721.573016] sd 48:0:0:0: [sda] 12582912 512-byte logical blocks: (6.44 GB/6.00 GiB)
[  721.590692] sd 48:0:0:0: [sda] Write Protect is off
[  721.595561] sd 48:0:0:0: [sda] Mode Sense: 73 00 10 08
[  721.615615] sd 48:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[  721.654287] sd 48:0:0:0: [sda] Preferred minimum I/O size 512 bytes
[  721.660552] sd 48:0:0:0: [sda] Optimal transfer size 524288 bytes
[  721.816394] sd 48:0:0:0: [sda] Attached SCSI disk
[  729.052418] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:mq-deadline ,FSTYPE:ext2
[  730.372187] EXT4-fs (sda): mounting ext2 file system using the ext4 subsystem
[  730.421214] EXT4-fs (sda): mounted filesystem without journal. Quota mode: none.
[  791.937093] EXT4-fs (sda): unmounting filesystem.
[  791.955037] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:mq-deadline ,FSTYPE:ext3
[  793.601805] EXT4-fs (sda): mounting ext3 file system using the ext4 subsystem
[  793.831984] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[  855.348102] EXT4-fs (sda): unmounting filesystem.
[  855.547320] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:mq-deadline ,FSTYPE:ext4
[  856.503379] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[  918.115452] EXT4-fs (sda): unmounting filesystem.
[  918.314948] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:mq-deadline ,FSTYPE:xfs
[  919.842138] XFS (sda): Mounting V5 Filesystem
[  920.199393] XFS (sda): Ending clean mount
[  981.846179] XFS (sda): Unmounting Filesystem
[  982.199157] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:kyber ,FSTYPE:ext2
[  983.491657] EXT4-fs (sda): mounting ext2 file system using the ext4 subsystem
[  983.539914] EXT4-fs (sda): mounted filesystem without journal. Quota mode: none.
[ 1044.991008] EXT4-fs (sda): unmounting filesystem.
[ 1045.009288] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:kyber ,FSTYPE:ext3
[ 1046.650180] EXT4-fs (sda): mounting ext3 file system using the ext4 subsystem
[ 1046.881640] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1108.526708] EXT4-fs (sda): unmounting filesystem.
[ 1108.727081] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:kyber ,FSTYPE:ext4
[ 1109.680916] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1171.285737] EXT4-fs (sda): unmounting filesystem.
[ 1171.485759] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:kyber ,FSTYPE:xfs
[ 1173.030268] XFS (sda): Mounting V5 Filesystem
[ 1173.388947] XFS (sda): Ending clean mount
[ 1235.082752] XFS (sda): Unmounting Filesystem
[ 1235.467387] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:bfq ,FSTYPE:ext2
[ 1236.759435] EXT4-fs (sda): mounting ext2 file system using the ext4 subsystem
[ 1236.808421] EXT4-fs (sda): mounted filesystem without journal. Quota mode: none.
[ 1298.270270] EXT4-fs (sda): unmounting filesystem.
[ 1298.288793] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:bfq ,FSTYPE:ext3
[ 1299.968747] EXT4-fs (sda): mounting ext3 file system using the ext4 subsystem
[ 1300.200045] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1361.729091] EXT4-fs (sda): unmounting filesystem.
[ 1361.928897] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:bfq ,FSTYPE:ext4
[ 1362.870825] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1424.488416] EXT4-fs (sda): unmounting filesystem.
[ 1424.687640] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:bfq ,FSTYPE:xfs
[ 1426.188789] XFS (sda): Mounting V5 Filesystem
[ 1426.546029] XFS (sda): Ending clean mount
[ 1488.240113] XFS (sda): Unmounting Filesystem
[ 1488.585167] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:none ,FSTYPE:ext2
[ 1489.887412] EXT4-fs (sda): mounting ext2 file system using the ext4 subsystem
[ 1489.936058] EXT4-fs (sda): mounted filesystem without journal. Quota mode: none.
[ 1551.464207] EXT4-fs (sda): unmounting filesystem.
[ 1551.482384] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:none ,FSTYPE:ext3
[ 1553.146795] EXT4-fs (sda): mounting ext3 file system using the ext4 subsystem
[ 1553.377396] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1614.952939] EXT4-fs (sda): unmounting filesystem.
[ 1615.152720] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:none ,FSTYPE:ext4
[ 1616.098746] EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[ 1677.688260] EXT4-fs (sda): unmounting filesystem.
[ 1677.888350] HOST:host48 ,DISK:/dev/sda ,I/O SCHED:none ,FSTYPE:xfs
[ 1679.377026] XFS (sda): Mounting V5 Filesystem
[ 1679.734368] XFS (sda): Ending clean mount
[ 1741.491742] XFS (sda): Unmounting Filesystem
[ 1744.930171] sd 48:0:0:0: [sda] Synchronizing SCSI cache