[ 1901.295036][ T9998] [ 1901.295311][ T9998] ============================= [ 1901.295479][ T9998] WARNING: suspicious RCU usage [ 1901.295634][ T9998] 6.12.0-rc4-virtme #1 Not tainted [ 1901.295792][ T9998] ----------------------------- [ 1901.295973][ T9998] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 1901.296213][ T9998] [ 1901.296213][ T9998] other info that might help us debug this: [ 1901.296213][ T9998] [ 1901.296524][ T9998] [ 1901.296524][ T9998] rcu_scheduler_active = 2, debug_locks = 1 [ 1901.296753][ T9998] 3 locks held by poweroff/9998: [ 1901.296908][ T9998] #0: ffffffffaee19ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 1901.297241][ T9998] #1: ffffffffaee16bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 1901.297871][ T9998] #2: ffffffffaf0982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 1901.298220][ T9998] [ 1901.298220][ T9998] stack backtrace: [ 1901.298454][ T9998] CPU: 0 UID: 0 PID: 9998 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 1901.298703][ T9998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1901.299050][ T9998] Call Trace: [ 1901.299170][ T9998] [ 1901.299255][ T9998] dump_stack_lvl+0xb0/0xd0 [ 1901.299415][ T9998] lockdep_rcu_suspicious+0x1ea/0x280 [ 1901.299572][ T9998] perf_event_clear_cpumask+0x61d/0x8f0 [ 1901.299730][ T9998] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1901.299886][ T9998] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 1901.300091][ T9998] ? acpi_execute_simple_method+0xaa/0xe0 [ 1901.300243][ T9998] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 1901.300441][ T9998] perf_event_exit_cpu_context+0x2c/0xf0 [ 1901.300600][ T9998] perf_reboot+0x7c/0xe0 [ 1901.300717][ T9998] ? trace_notifier_run+0xe2/0x140 [ 1901.300870][ T9998] notifier_call_chain+0xcd/0x150 [ 1901.301034][ T9998] blocking_notifier_call_chain+0x66/0x90 [ 1901.301199][ T9998] kernel_power_off+0x1c/0xb0 [ 1901.301363][ T9998] __do_sys_reboot+0x270/0x2d0 [ 1901.301518][ T9998] ? __pfx___do_sys_reboot+0x10/0x10 [ 1901.301680][ T9998] ? __lock_release+0x103/0x460 [ 1901.301832][ T9998] ? do_user_addr_fault+0x972/0xe30 [ 1901.301996][ T9998] ? __pfx___lock_release+0x10/0x10 [ 1901.302153][ T9998] ? __up_read+0x1a7/0x780 [ 1901.302318][ T9998] ? trace_lock_acquire+0x14d/0x1f0 [ 1901.302470][ T9998] ? __pfx___up_read+0x10/0x10 [ 1901.302628][ T9998] ? do_writev+0xf9/0x280 [ 1901.302759][ T9998] ? do_writev+0xf9/0x280 [ 1901.302875][ T9998] ? __pfx_do_writev+0x10/0x10 [ 1901.303030][ T9998] ? do_user_addr_fault+0x97c/0xe30 [ 1901.303188][ T9998] do_syscall_64+0xc1/0x1d0 [ 1901.303355][ T9998] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1901.303541][ T9998] RIP: 0033:0x7f8787655197 [ 1901.303702][ T9998] 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 [ 1901.304231][ T9998] RSP: 002b:00007ffde1b72598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 1901.304469][ T9998] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8787655197 [ 1901.304696][ T9998] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 1901.304918][ T9998] RBP: 0000000000000000 R08: 00007ffde1b71850 R09: 00000000ffffffff [ 1901.305158][ T9998] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 1901.305383][ T9998] R13: 0000000000000001 R14: 000055604def0803 R15: 00007f8787aeb000 [ 1901.305632][ T9998] [ 1901.307729][ T9998] ACPI: PM: Preparing to enter system sleep state S5 [ 1901.309236][ T9998] kvm: exiting hardware virtualization [ 1901.309663][ T9998] reboot: Power down