[ 77.809174][ T246] [ 77.809420][ T246] ============================= [ 77.809587][ T246] WARNING: suspicious RCU usage [ 77.809756][ T246] 6.12.0-rc4-virtme #1 Not tainted [ 77.809909][ T246] ----------------------------- [ 77.810072][ T246] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 77.810309][ T246] [ 77.810309][ T246] other info that might help us debug this: [ 77.810309][ T246] [ 77.810622][ T246] [ 77.810622][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 77.810884][ T246] 3 locks held by poweroff/246: [ 77.811042][ T246] #0: ffffffff86019ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 77.811659][ T246] #1: ffffffff86016bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 77.812026][ T246] #2: ffffffff862982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 77.812354][ T246] [ 77.812354][ T246] stack backtrace: [ 77.812548][ T246] CPU: 0 UID: 0 PID: 246 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 77.812789][ T246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 77.813135][ T246] Call Trace: [ 77.813278][ T246] [ 77.813393][ T246] dump_stack_lvl+0xb0/0xd0 [ 77.813608][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 77.813771][ T246] perf_event_clear_cpumask+0x61d/0x8f0 [ 77.813930][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 77.814092][ T246] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 77.814340][ T246] ? acpi_execute_simple_method+0xaa/0xe0 [ 77.814528][ T246] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 77.814811][ T246] perf_event_exit_cpu_context+0x2c/0xf0 [ 77.815089][ T246] perf_reboot+0x7c/0xe0 [ 77.815292][ T246] ? trace_notifier_run+0xe2/0x140 [ 77.815544][ T246] notifier_call_chain+0xcd/0x150 [ 77.815835][ T246] blocking_notifier_call_chain+0x66/0x90 [ 77.816090][ T246] kernel_power_off+0x1c/0xb0 [ 77.816337][ T246] __do_sys_reboot+0x270/0x2d0 [ 77.816587][ T246] ? __pfx___do_sys_reboot+0x10/0x10 [ 77.816845][ T246] ? __lock_release+0x103/0x460 [ 77.817054][ T246] ? do_user_addr_fault+0x972/0xe30 [ 77.817277][ T246] ? __pfx___lock_release+0x10/0x10 [ 77.817521][ T246] ? __up_read+0x1a7/0x780 [ 77.817765][ T246] ? trace_lock_acquire+0x14d/0x1f0 [ 77.818023][ T246] ? __pfx___up_read+0x10/0x10 [ 77.818266][ T246] ? do_writev+0xf9/0x280 [ 77.818469][ T246] ? do_writev+0xf9/0x280 [ 77.818666][ T246] ? __pfx_do_writev+0x10/0x10 [ 77.818912][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 77.819168][ T246] do_syscall_64+0xc1/0x1d0 [ 77.819416][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.819718][ T246] RIP: 0033:0x7f46040a4197 [ 77.819978][ T246] Code: 0b 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 39 3c 0b 00 f7 d8 64 89 02 b8 [ 77.820823][ T246] RSP: 002b:00007ffd23fd80d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 77.821224][ T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f46040a4197 [ 77.821591][ T246] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 77.821958][ T246] RBP: 0000000000000000 R08: 00007ffd23fd7390 R09: 00000000ffffffff [ 77.822299][ T246] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 77.822624][ T246] R13: 0000000000000001 R14: 0000565380072803 R15: 00007f460453a000 [ 77.822887][ T246] [ 77.825916][ T246] ACPI: PM: Preparing to enter system sleep state S5 [ 77.827186][ T246] kvm: exiting hardware virtualization [ 77.827514][ T246] reboot: Power down