[ 1264.636169] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1)
[ 1264.645214] scsi host48: scsi_debug: version 0191 [20210520]
                 dev_size_mb=6144, opts=0x0, submit_queues=1, statistics=0
[ 1264.657795] scsi 48:0:0:0: Direct-Access     Linux    scsi_debug       0191 PQ: 0 ANSI: 7
[ 1264.666433] sd 48:0:0:0: Attached scsi generic sg1 type 0
[ 1264.666606] sd 48:0:0:0: Power-on or device reset occurred
[ 1264.697398] sd 48:0:0:0: [sdb] 12582912 512-byte logical blocks: (6.44 GB/6.00 GiB)
[ 1264.715100] sd 48:0:0:0: [sdb] Write Protect is off
[ 1264.719969] sd 48:0:0:0: [sdb] Mode Sense: 73 00 10 08
[ 1264.740019] sd 48:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 1264.778764] sd 48:0:0:0: [sdb] Preferred minimum I/O size 512 bytes
[ 1264.785027] sd 48:0:0:0: [sdb] Optimal transfer size 524288 bytes
[ 1264.940729] sd 48:0:0:0: [sdb] Attached SCSI disk
[ 1272.173734] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext2
[ 1273.455530] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem
[ 1273.504003] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none.
[ 1334.980689] EXT4-fs (sdb): unmounting filesystem.
[ 1334.999044] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext3
[ 1336.655740] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem
[ 1336.887415] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1398.321423] EXT4-fs (sdb): unmounting filesystem.
[ 1398.520684] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext4
[ 1399.479333] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1461.082712] EXT4-fs (sdb): unmounting filesystem.
[ 1461.283889] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:xfs
[ 1462.795439] XFS (sdb): Mounting V5 Filesystem
[ 1463.152981] XFS (sdb): Ending clean mount
[ 1524.793620] XFS (sdb): Unmounting Filesystem
[ 1525.233119] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext2
[ 1526.533844] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem
[ 1526.582233] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none.
[ 1588.012229] EXT4-fs (sdb): unmounting filesystem.
[ 1588.030679] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext3
[ 1589.723794] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem
[ 1589.955011] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1651.411385] EXT4-fs (sdb): unmounting filesystem.
[ 1651.612302] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext4
[ 1652.535186] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1714.002736] EXT4-fs (sdb): unmounting filesystem.
[ 1714.202507] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:xfs
[ 1715.755347] XFS (sdb): Mounting V5 Filesystem
[ 1716.113731] XFS (sdb): Ending clean mount
[ 1777.871605] XFS (sdb): Unmounting Filesystem
[ 1778.351785] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext2
[ 1779.632973] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem
[ 1779.682075] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none.
[ 1841.235358] EXT4-fs (sdb): unmounting filesystem.
[ 1841.254057] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext3
[ 1842.862339] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem
[ 1843.092082] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1904.726075] EXT4-fs (sdb): unmounting filesystem.
[ 1904.924840] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext4
[ 1905.843464] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 1967.440905] EXT4-fs (sdb): unmounting filesystem.
[ 1967.640385] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:xfs
[ 1969.163038] XFS (sdb): Mounting V5 Filesystem
[ 1969.521227] XFS (sdb): Ending clean mount
[ 2031.206316] XFS (sdb): Unmounting Filesystem
[ 2031.599897] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext2
[ 2032.910901] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem
[ 2032.959570] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none.
[ 2094.438370] EXT4-fs (sdb): unmounting filesystem.
[ 2094.456999] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext3
[ 2096.120532] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem
[ 2096.351126] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 2157.903299] EXT4-fs (sdb): unmounting filesystem.
[ 2158.103640] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext4
[ 2159.012056] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none.
[ 2220.572200] EXT4-fs (sdb): unmounting filesystem.
[ 2220.773299] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:xfs
[ 2222.301024] XFS (sdb): Mounting V5 Filesystem
[ 2222.658606] XFS (sdb): Ending clean mount
[ 2284.296588] XFS (sdb): Unmounting Filesystem
[ 2287.724094] sd 48:0:0:0: [sdb] Synchronizing SCSI cache