[ 129.853921][ T248] [ 129.854394][ T248] ============================= [ 129.854710][ T248] WARNING: suspicious RCU usage [ 129.855079][ T248] 6.12.0-rc4-virtme #1 Not tainted [ 129.855650][ T248] ----------------------------- [ 129.855914][ T248] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 129.856315][ T248] [ 129.856315][ T248] other info that might help us debug this: [ 129.856315][ T248] [ 129.856874][ T248] [ 129.856874][ T248] rcu_scheduler_active = 2, debug_locks = 1 [ 129.857264][ T248] 3 locks held by poweroff/248: [ 129.857580][ T248] #0: ffffffff91819ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 129.858163][ T248] #1: ffffffff91816bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 129.860327][ T248] #2: ffffffff91a982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 129.860997][ T248] [ 129.860997][ T248] stack backtrace: [ 129.861325][ T248] CPU: 3 UID: 0 PID: 248 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 129.861671][ T248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 129.862189][ T248] Call Trace: [ 129.862372][ T248] [ 129.862502][ T248] dump_stack_lvl+0xb0/0xd0 [ 129.862752][ T248] lockdep_rcu_suspicious+0x1ea/0x280 [ 129.863005][ T248] perf_event_clear_cpumask+0x61d/0x8f0 [ 129.863254][ T248] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 129.863495][ T248] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 129.863789][ T248] ? acpi_execute_simple_method+0xaa/0xe0 [ 129.864026][ T248] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 129.864354][ T248] perf_event_exit_cpu_context+0x2c/0xf0 [ 129.864631][ T248] perf_reboot+0x7c/0xe0 [ 129.864823][ T248] ? trace_notifier_run+0xe2/0x140 [ 129.865076][ T248] notifier_call_chain+0xcd/0x150 [ 129.865352][ T248] blocking_notifier_call_chain+0x66/0x90 [ 129.865633][ T248] kernel_power_off+0x1c/0xb0 [ 129.865894][ T248] __do_sys_reboot+0x270/0x2d0 [ 129.866145][ T248] ? __pfx___do_sys_reboot+0x10/0x10 [ 129.866425][ T248] ? __lock_release+0x103/0x460 [ 129.866675][ T248] ? do_user_addr_fault+0x972/0xe30 [ 129.866919][ T248] ? __pfx___lock_release+0x10/0x10 [ 129.867184][ T248] ? __up_read+0x1a7/0x780 [ 129.867439][ T248] ? trace_lock_acquire+0x14d/0x1f0 [ 129.867696][ T248] ? __pfx___up_read+0x10/0x10 [ 129.867970][ T248] ? do_writev+0xf9/0x280 [ 129.868159][ T248] ? do_writev+0xf9/0x280 [ 129.868352][ T248] ? __pfx_do_writev+0x10/0x10 [ 129.868617][ T248] ? do_user_addr_fault+0x97c/0xe30 [ 129.868915][ T248] do_syscall_64+0xc1/0x1d0 [ 129.869173][ T248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.869514][ T248] RIP: 0033:0x7fa12ee44197 [ 129.869786][ T248] 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 [ 129.870713][ T248] RSP: 002b:00007ffe7407a788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 129.871091][ T248] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa12ee44197 [ 129.871491][ T248] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 129.871860][ T248] RBP: 0000000000000000 R08: 00007ffe74079a40 R09: 00000000ffffffff [ 129.872233][ T248] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 129.872582][ T248] R13: 0000000000000001 R14: 0000555f5755a803 R15: 00007fa12f2da000 [ 129.872970][ T248] [ 129.875305][ T248] ACPI: PM: Preparing to enter system sleep state S5 [ 129.876717][ T248] kvm: exiting hardware virtualization [ 129.877063][ T248] reboot: Power down