[ 85.785095][ T188] bash (188) used greatest stack depth: 24616 bytes left [ 86.144568][ T246] [ 86.144812][ T246] ============================= [ 86.145031][ T246] WARNING: suspicious RCU usage [ 86.145326][ T246] 6.12.0-rc4-virtme #1 Not tainted [ 86.145572][ T246] ----------------------------- [ 86.146034][ T246] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 86.146406][ T246] [ 86.146406][ T246] other info that might help us debug this: [ 86.146406][ T246] [ 86.146911][ T246] [ 86.146911][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 86.147306][ T246] 3 locks held by poweroff/246: [ 86.147576][ T246] #0: ffffffff96c19ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 86.148129][ T246] #1: ffffffff96c16bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 86.149382][ T246] #2: ffffffff96e982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 86.149924][ T246] [ 86.149924][ T246] stack backtrace: [ 86.150259][ T246] CPU: 1 UID: 0 PID: 246 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 86.150651][ T246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 86.151214][ T246] Call Trace: [ 86.151407][ T246] [ 86.151557][ T246] dump_stack_lvl+0xb0/0xd0 [ 86.151816][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 86.152107][ T246] perf_event_clear_cpumask+0x61d/0x8f0 [ 86.152382][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 86.152636][ T246] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 86.152947][ T246] ? acpi_execute_simple_method+0xaa/0xe0 [ 86.153223][ T246] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 86.153554][ T246] perf_event_exit_cpu_context+0x2c/0xf0 [ 86.153843][ T246] perf_reboot+0x7c/0xe0 [ 86.154013][ T246] ? trace_notifier_run+0xe2/0x140 [ 86.154274][ T246] notifier_call_chain+0xcd/0x150 [ 86.154559][ T246] blocking_notifier_call_chain+0x66/0x90 [ 86.154813][ T246] kernel_power_off+0x1c/0xb0 [ 86.155066][ T246] __do_sys_reboot+0x270/0x2d0 [ 86.155336][ T246] ? __pfx___do_sys_reboot+0x10/0x10 [ 86.155597][ T246] ? __lock_release+0x103/0x460 [ 86.155845][ T246] ? do_user_addr_fault+0x972/0xe30 [ 86.156102][ T246] ? __pfx___lock_release+0x10/0x10 [ 86.156349][ T246] ? __up_read+0x1a7/0x780 [ 86.156599][ T246] ? trace_lock_acquire+0x14d/0x1f0 [ 86.156855][ T246] ? __pfx___up_read+0x10/0x10 [ 86.157114][ T246] ? do_writev+0xf9/0x280 [ 86.157306][ T246] ? do_writev+0xf9/0x280 [ 86.157498][ T246] ? __pfx_do_writev+0x10/0x10 [ 86.157745][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 86.157991][ T246] do_syscall_64+0xc1/0x1d0 [ 86.158150][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.158366][ T246] RIP: 0033:0x7f049aa5b197 [ 86.158542][ 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 [ 86.159208][ T246] RSP: 002b:00007fffa3a99ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 86.159468][ T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f049aa5b197 [ 86.159830][ T246] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 86.160184][ T246] RBP: 0000000000000000 R08: 00007fffa3a98e60 R09: 00000000ffffffff [ 86.160565][ T246] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 86.160963][ T246] R13: 0000000000000001 R14: 000055f8863f6803 R15: 00007f049aef1000 [ 86.161380][ T246] [ 86.165069][ T246] ACPI: PM: Preparing to enter system sleep state S5 [ 86.167189][ T246] kvm: exiting hardware virtualization [ 86.167754][ T246] reboot: Power down