Hi, all! Just crashed my box with the new 6.3-rc6 kernel ... I hope I will be able to reproduce. The hang with sound chirp happened during the root@marvin-IdeaPad-3-15ITL6:/home/marvin/linux/kernel/linux_torvalds# tools/testing/selftests/ftrace/ftracetest === Ftrace unit tests === [1] Basic trace file check [PASS] [2] Basic test for tracers [PASS] [3] Basic trace clock test [PASS] [4] Basic event tracing check [PASS] [5] Change the ringbuffer size [PASS] [6] Snapshot and tracing setting [PASS] [7] trace_pipe and trace_marker [PASS] [8] Test ftrace direct functions against tracers While running a TB session and Yutube video in Firefox with cca. 100 tabs open. Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893636] BUG: MAX_LOCKDEP_ENTRIES too low! Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893647] turning off the locking correctness validator. Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893651] CPU: 1 PID: 873 Comm: upowerd Not tainted 6.3.0-rc6-mt-20230401-00001-gf86822a1170f #4 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893657] Hardware name: LENOVO 82H8/LNVNB161216, BIOS GGCN51WW 11/16/2022 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893661] Call Trace: Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893664] <TASK> Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893667] dump_stack_lvl+0x5f/0xa0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893676] dump_stack+0x14/0x20 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893681] alloc_list_entry+0x88/0xa0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893689] __lock_acquire+0x13ec/0x1990 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893696] lock_acquire+0xc7/0x2d0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893700] ? cpu_stop_queue_work+0x6e/0x110 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893710] _raw_spin_lock_irqsave+0x4d/0x70 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893715] ? cpu_stop_queue_work+0x6e/0x110 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893721] cpu_stop_queue_work+0x6e/0x110 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893728] stop_one_cpu_nowait+0x3b/0x50 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893733] load_balance+0xca5/0xf60 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893744] newidle_balance+0x29d/0x670 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893751] pick_next_task_fair+0x52/0x490 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893756] __schedule+0x183/0x1530 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893765] ? find_held_lock+0x35/0xb0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893774] ? schedule_timeout+0x1d4/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893781] ? schedule_timeout+0x1d9/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893785] ? schedule_timeout+0x1d9/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893791] ? schedule_timeout+0x1d9/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893796] schedule+0x9c/0x1a0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893804] schedule_timeout+0x1d9/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893810] ? trace_preempt_on+0x31/0x90 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893821] ? __pfx_process_timeout+0x10/0x10 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893832] ? msleep+0x20/0x50 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893840] msleep+0x43/0x50 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893848] acpi_os_sleep+0x12/0x20 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893857] acpi_ex_system_do_sleep+0x30/0x40 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893865] acpi_ex_opcode_1A_0T_0R+0xd0/0x140 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893872] acpi_ds_exec_end_op+0x265/0x920 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893883] acpi_ps_parse_loop+0x26a/0xa10 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893890] acpi_ps_parse_aml+0x22f/0x5e0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893896] acpi_ps_execute_method+0x156/0x380 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893902] acpi_ns_evaluate+0x182/0x5f0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893908] acpi_evaluate_object+0x173/0x450 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893918] acpi_battery_get_state+0x96/0x250 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893931] acpi_battery_get_property+0x57/0x3f0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893938] power_supply_get_property+0x20/0x50 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893945] power_supply_show_property+0xdc/0x290 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893950] ? lock_is_held_type+0xa8/0x120 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893957] dev_attr_show+0x1e/0x60 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893963] sysfs_kf_seq_show+0xb0/0x140 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893969] kernfs_seq_show+0x43/0x60 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893976] seq_read_iter+0x1a4/0x460 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893983] kernfs_fop_read_iter+0x16a/0x1d0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893989] ? security_file_permission+0xaf/0x1c0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.893997] vfs_read+0x22b/0x310 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894005] ksys_read+0x68/0xe0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894010] __x64_sys_read+0x1e/0x30 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894014] do_syscall_64+0x5c/0x90 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894019] ? irq_exit_rcu+0x2b/0xc0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894025] ? irq_exit_rcu+0x2b/0xc0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894035] ? irqentry_exit_to_user_mode+0x29/0x30 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894044] ? irqentry_exit+0x6f/0xa0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894052] ? sysvec_call_function+0x4f/0xa0 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894060] entry_SYSCALL_64_after_hwframe+0x72/0xdc Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894069] RIP: 0033:0x7f569950cd2c Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894077] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 d9 f4 f7 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f f5 f7 ff 48 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894084] RSP: 002b:00007ffe2aff12f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894093] RAX: ffffffffffffffda RBX: 0000558d91683600 RCX: 00007f569950cd2c Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894099] RDX: 0000000000001000 RSI: 0000558d916697a0 RDI: 000000000000000b Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894104] RBP: 00007ffe2aff1420 R08: 0000000000000000 R09: 00007f56995f6d20 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894113] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000b Apr 9 22:48:37 marvin-IdeaPad-3-15ITL6 kernel: [ 3481.894125] </TASK> Hope this helps. I tried to address the maintainers according to the call trace, but frankly I am not completely sworn it is the best list possible. Best regards, Mirsad -- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union "I see something approaching fast ... Will it be friends with me?"
