[ 661.897363] run blktests loop/005 at 2023-01-13 21:47:48 [ 661.914338] loop0: detected capacity change from 0 to 2048 [ 662.032474] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2