Hello, fio hangs when running the test[1], and doesn't observe this issue when running a such single job test. v5.12 is good, both v5.13-rc3 and the latest v5.13-rc6 are bad. [1] fio test script and log + fio --bs=4k --ioengine=io_uring --fixedbufs --registerfiles --hipri --iodepth=64 --iodepth_batch_submit=16 --iodepth_batch_complete_min=16 --filename=/dev/nvme0n1 --direct=1 --runtime=20 --numjobs=4 --rw=randread --name=test --group_reporting test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=io_uring, iodepth=64 ... fio-3.25 Starting 4 processes fio: filehash.c:64: __lookup_file_hash: Assertion `f->fd != -1' failed. fio: pid=1122, got signal=6 ^Cbs: 3 (f=0): [f(1),r(1),K(1),r(1)][63.6%][eta 00m:20s] Thanks,
