[ 1012.435629][ T4457] tc (4457) used greatest stack depth: 23616 bytes left [ 1067.455509][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1067.456124][ C0] CPU: 0 UID: 0 PID: 4279 Comm: perl Not tainted 6.17.0-virtme #1 PREEMPT(full) [ 1067.456133][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1067.456135][ C0] Call Trace: [ 1067.456139][ C0] [ 1067.456142][ C0] dump_stack_lvl+0x82/0xc0 [ 1067.456172][ C0] __report_bad_irq+0x5f/0x1b0 [ 1067.456190][ C0] note_interrupt+0x661/0x7e0 [ 1067.456198][ C0] handle_irq_event+0x165/0x1c0 [ 1067.456204][ C0] handle_edge_irq+0x324/0x880 [ 1067.456215][ C0] __common_interrupt+0xa4/0x230 [ 1067.456230][ C0] common_interrupt+0xb9/0xe0 [ 1067.456237][ C0] [ 1067.456238][ C0] [ 1067.456242][ C0] asm_common_interrupt+0x26/0x40 [ 1067.456251][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70 [ 1067.456267][ C0] Code: 74 24 10 e8 d1 35 00 fe 48 89 ef e8 f9 84 00 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 0a bc f4 fd 65 8b 05 c3 d9 08 02 85 c0 74 0a 5b 5d c3 e8 07 3d [ 1067.456269][ C0] RSP: 0018:ffffc90004777a98 EFLAGS: 00000206 [ 1067.456277][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1067.456279][ C0] RDX: 0000000000000000 RSI: ffffffffa9785e21 RDI: 0000000000000001 [ 1067.456280][ C0] RBP: ffffffffac0694e0 R08: 0000000000000001 R09: 0000000000000001 [ 1067.456282][ C0] R10: ffffffffaa622857 R11: ffff888005f60970 R12: 00000000ffffffff [ 1067.456284][ C0] R13: 0000000000000001 R14: ffffffffac0695e8 R15: 00000000ffffffff [ 1067.456302][ C0] uart_write+0x220/0x920 [ 1067.456321][ C0] process_output_block+0x142/0x7b0 [ 1067.456331][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 1067.456339][ C0] n_tty_write+0x423/0x7c0 [ 1067.456342][ C0] ? _copy_from_iter+0x1d1/0x1340 [ 1067.456358][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 1067.456365][ C0] ? __init_waitqueue_head+0x150/0x150 [ 1067.456372][ C0] ? lock_acquire+0x104/0x160 [ 1067.456378][ C0] ? iterate_tty_write+0x91/0x530 [ 1067.456389][ C0] iterate_tty_write+0x220/0x530 [ 1067.456395][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1067.456402][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1067.456409][ C0] vfs_write+0xaae/0x12c0 [ 1067.456423][ C0] ? find_held_lock+0x2b/0x80 [ 1067.456427][ C0] ? kernel_write+0x6b0/0x6b0 [ 1067.456436][ C0] ? clockevents_program_event+0xf3/0x2f0 [ 1067.456453][ C0] ? clockevents_program_event+0x1e4/0x2f0 [ 1067.456462][ C0] ksys_write+0xf7/0x1d0 [ 1067.456467][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 1067.456480][ C0] do_syscall_64+0xc1/0x300 [ 1067.456486][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1067.456489][ C0] RIP: 0033:0x7ff73ea7a257 [ 1067.456495][ C0] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 1067.456497][ C0] RSP: 002b:00007fff621de908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1067.456500][ C0] RAX: ffffffffffffffda RBX: 000055a9a770f420 RCX: 00007ff73ea7a257 [ 1067.456502][ C0] RDX: 0000000000000001 RSI: 000055a9a770f420 RDI: 0000000000000001 [ 1067.456503][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1067.456505][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a9a76fa600 [ 1067.456506][ C0] R13: 000055a9a76db2a0 R14: 0000000000000001 R15: 000055a9a76fa600 [ 1067.456522][ C0] [ 1067.456523][ C0] handlers: [ 1067.474092][ C0] [] serial8250_interrupt [ 1067.474607][ C0] Disabling IRQ #51