[ 5775.508419] run blktests scsi/004 at 2022-09-28 01:56:44 [ 5775.532471] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 5775.532514] scsi host1: scsi_debug: version 0190 [20200710] dev_size_mb=8, opts=0x0, submit_queues=1, statistics=1 [ 5775.532861] scsi 1:0:0:0: Direct-Access Linux scsi_debug 0190 PQ: 0 ANSI: 7 [ 5775.533392] sd 1:0:0:0: Power-on or device reset occurred [ 5775.533654] sd 1:0:0:0: Attached scsi generic sg2 type 0 [ 5775.553586] sd 1:0:0:0: [sdb] 16384 512-byte logical blocks: (8.39 MB/8.00 MiB) [ 5775.563615] sd 1:0:0:0: [sdb] Write Protect is off [ 5775.563630] sd 1:0:0:0: [sdb] Mode Sense: 73 00 10 08 [ 5775.583648] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 5775.613686] sd 1:0:0:0: [sdb] Optimal transfer size 524288 bytes [ 5775.889414] sd 1:0:0:0: [sdb] Attached SCSI disk [ 5806.141001] sd 1:0:0:0: [sdb] tag#96 timing out command, waited 30s [ 5806.141042] sd 1:0:0:0: [sdb] tag#96 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=30s [ 5806.141061] sd 1:0:0:0: [sdb] tag#96 CDB: Read(10) 28 00 00 00 00 00 00 00 01 00 [ 5806.141076] I/O error, dev sdb, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 5806.310638] sd 1:0:0:0: [sdb] Synchronizing SCSI cache