[ 755.909593] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 755.918639] scsi host48: scsi_debug: version 0191 [20210520] dev_size_mb=6144, opts=0x0, submit_queues=1, statistics=0 [ 755.931207] scsi 48:0:0:0: Direct-Access Linux scsi_debug 0191 PQ: 0 ANSI: 7 [ 755.939824] sd 48:0:0:0: Attached scsi generic sg1 type 0 [ 755.939963] sd 48:0:0:0: Power-on or device reset occurred [ 755.970790] sd 48:0:0:0: [sdb] 12582912 512-byte logical blocks: (6.44 GB/6.00 GiB) [ 755.988463] sd 48:0:0:0: [sdb] Write Protect is off [ 755.993333] sd 48:0:0:0: [sdb] Mode Sense: 73 00 10 08 [ 756.013368] sd 48:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 756.052026] sd 48:0:0:0: [sdb] Preferred minimum I/O size 512 bytes [ 756.058291] sd 48:0:0:0: [sdb] Optimal transfer size 524288 bytes [ 756.227024] sd 48:0:0:0: [sdb] Attached SCSI disk [ 763.393062] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext2 [ 764.722017] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem [ 764.770728] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none. [ 826.134883] EXT4-fs (sdb): unmounting filesystem. [ 826.153380] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext3 [ 827.791341] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem [ 828.022869] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 889.536569] EXT4-fs (sdb): unmounting filesystem. [ 889.735599] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:ext4 [ 890.643184] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 952.150645] EXT4-fs (sdb): unmounting filesystem. [ 952.351490] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:mq-deadline ,FSTYPE:xfs [ 953.872813] XFS (sdb): Mounting V5 Filesystem [ 954.230514] XFS (sdb): Ending clean mount [ 1015.817225] XFS (sdb): Unmounting Filesystem [ 1016.229202] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext2 [ 1017.500522] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem [ 1017.548862] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none. [ 1078.926332] EXT4-fs (sdb): unmounting filesystem. [ 1078.946141] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext3 [ 1080.619554] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem [ 1080.849612] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1142.165756] EXT4-fs (sdb): unmounting filesystem. [ 1142.364750] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:ext4 [ 1143.321053] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1204.866159] EXT4-fs (sdb): unmounting filesystem. [ 1205.065758] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:kyber ,FSTYPE:xfs [ 1206.590253] XFS (sdb): Mounting V5 Filesystem [ 1206.947991] XFS (sdb): Ending clean mount [ 1268.569673] XFS (sdb): Unmounting Filesystem [ 1268.987937] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext2 [ 1270.258396] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem [ 1270.306686] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none. [ 1331.822703] EXT4-fs (sdb): unmounting filesystem. [ 1331.841106] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext3 [ 1333.467866] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem [ 1333.698223] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1395.335449] EXT4-fs (sdb): unmounting filesystem. [ 1395.535774] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:ext4 [ 1396.459861] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1458.027902] EXT4-fs (sdb): unmounting filesystem. [ 1458.227857] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:bfq ,FSTYPE:xfs [ 1459.788915] XFS (sdb): Mounting V5 Filesystem [ 1460.147184] XFS (sdb): Ending clean mount [ 1521.932534] XFS (sdb): Unmounting Filesystem [ 1522.315736] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext2 [ 1523.607591] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem [ 1523.656351] EXT4-fs (sdb): mounted filesystem without journal. Quota mode: none. [ 1585.058176] EXT4-fs (sdb): unmounting filesystem. [ 1585.076644] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext3 [ 1586.725752] EXT4-fs (sdb): mounting ext3 file system using the ext4 subsystem [ 1586.955559] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1648.527110] EXT4-fs (sdb): unmounting filesystem. [ 1648.726952] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:ext4 [ 1649.676560] EXT4-fs (sdb): mounted filesystem with ordered data mode. Quota mode: none. [ 1711.263856] EXT4-fs (sdb): unmounting filesystem. [ 1711.463635] HOST:host48 ,DISK:/dev/sdb ,I/O SCHED:none ,FSTYPE:xfs [ 1712.987556] XFS (sdb): Mounting V5 Filesystem [ 1713.345044] XFS (sdb): Ending clean mount [ 1775.239462] XFS (sdb): Unmounting Filesystem [ 1778.790640] sd 48:0:0:0: [sdb] Synchronizing SCSI cache