loop4: detected capacity change from 0 to 256 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) cgroup: Invalid name FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) INFO: task kworker/u4:0:8 blocked for more than 143 seconds. Not tainted 5.18.0-rc1-next-20220411 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:0 state:D stack:24448 pid: 8 ppid: 2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: __schedule+0x88d/0x2450 schedule+0xd2/0x1f0 schedule_timeout+0x1c5/0x280 __wait_for_common+0x36f/0x4b0 io_ring_exit_work+0x46d/0xfd5 process_one_work+0xa1c/0x16a0 worker_thread+0x637/0x1250 kthread+0x2f2/0x3b0 ret_from_fork+0x22/0x30 Showing all locks held in the system: 2 locks held by kworker/u4:0/8: #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0 #1: ffff8880081b7db0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0 1 lock held by khungtaskd/24: #0: ffffffff85203380 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 1 lock held by in:imklog/188: =============================================