[ 66.580072][ T244] [ 66.580315][ T244] ============================= [ 66.581305][ T244] WARNING: suspicious RCU usage [ 66.581574][ T244] 6.12.0-rc4-virtme #1 Not tainted [ 66.581804][ T244] ----------------------------- [ 66.582037][ T244] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 66.582361][ T244] [ 66.582361][ T244] other info that might help us debug this: [ 66.582361][ T244] [ 66.582777][ T244] [ 66.582777][ T244] rcu_scheduler_active = 2, debug_locks = 1 [ 66.583027][ T244] 3 locks held by poweroff/244: [ 66.583185][ T244] #0: ffffffff9b619ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 66.583525][ T244] #1: ffffffff9b616bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 66.583879][ T244] #2: ffffffff9b8982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 66.584205][ T244] [ 66.584205][ T244] stack backtrace: [ 66.584408][ T244] CPU: 3 UID: 0 PID: 244 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 66.584639][ T244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 66.584974][ T244] Call Trace: [ 66.585316][ T244] [ 66.585401][ T244] dump_stack_lvl+0xb0/0xd0 [ 66.585561][ T244] lockdep_rcu_suspicious+0x1ea/0x280 [ 66.585723][ T244] perf_event_clear_cpumask+0x61d/0x8f0 [ 66.585878][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 66.586039][ T244] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 66.586234][ T244] ? acpi_execute_simple_method+0xaa/0xe0 [ 66.586390][ T244] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 66.586590][ T244] perf_event_exit_cpu_context+0x2c/0xf0 [ 66.586744][ T244] perf_reboot+0x7c/0xe0 [ 66.586857][ T244] ? trace_notifier_run+0xe2/0x140 [ 66.587012][ T244] notifier_call_chain+0xcd/0x150 [ 66.587179][ T244] blocking_notifier_call_chain+0x66/0x90 [ 66.587335][ T244] kernel_power_off+0x1c/0xb0 [ 66.587488][ T244] __do_sys_reboot+0x270/0x2d0 [ 66.587644][ T244] ? __pfx___do_sys_reboot+0x10/0x10 [ 66.587802][ T244] ? __lock_release+0x103/0x460 [ 66.587958][ T244] ? do_user_addr_fault+0x972/0xe30 [ 66.588118][ T244] ? __pfx___lock_release+0x10/0x10 [ 66.588269][ T244] ? __up_read+0x1a7/0x780 [ 66.588422][ T244] ? trace_lock_acquire+0x14d/0x1f0 [ 66.588577][ T244] ? __pfx___up_read+0x10/0x10 [ 66.588737][ T244] ? do_writev+0xf9/0x280 [ 66.588856][ T244] ? do_writev+0xf9/0x280 [ 66.588974][ T244] ? __pfx_do_writev+0x10/0x10 [ 66.589127][ T244] ? do_user_addr_fault+0x97c/0xe30 [ 66.589293][ T244] do_syscall_64+0xc1/0x1d0 [ 66.589453][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.589646][ T244] RIP: 0033:0x7fbd7773f197 [ 66.589805][ T244] 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 [ 66.590346][ T244] RSP: 002b:00007ffd6bb42a48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 66.590584][ T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd7773f197 [ 66.590817][ T244] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 66.591046][ T244] RBP: 0000000000000000 R08: 00007ffd6bb41d00 R09: 00000000ffffffff [ 66.591278][ T244] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 66.591505][ T244] R13: 0000000000000001 R14: 00005608d7b60803 R15: 00007fbd77bd5000 [ 66.591750][ T244] [ 66.593863][ T244] ACPI: PM: Preparing to enter system sleep state S5 [ 66.595184][ T244] kvm: exiting hardware virtualization [ 66.595550][ T244] reboot: Power down