[  572.355900] irq 51: nobody cared (try booting with the "irqpoll" option)
[  572.355986] CPU: 0 UID: 0 PID: 27974 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(voluntary) 
[  572.355988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.355990] Call Trace:
[  572.355993]  <IRQ>
[  572.355997]  dump_stack_lvl+0x4d/0x70
[  572.356003]  __report_bad_irq+0x35/0xb8
[  572.356006]  note_interrupt.cold+0x28/0x66
[  572.356007]  handle_irq_event+0x6e/0x80
[  572.356010]  handle_edge_irq+0xbc/0x180
[  572.356012]  __common_interrupt+0x40/0xd0
[  572.356015]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  572.356017]  common_interrupt+0x7a/0x90
[  572.356021]  </IRQ>
[  572.356021]  <TASK>
[  572.356021]  asm_common_interrupt+0x26/0x40
[  572.356023] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  572.356027] Code: 00 66 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 c2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  572.356027] RSP: 0018:ff57b4c342983d38 EFLAGS: 00000286
[  572.356029] RAX: 00000000ffffffff RBX: ff46b7e7c1d84000 RCX: 0000000000000017
[  572.356030] RDX: ffffffffa31cf675 RSI: 0000000000000282 RDI: ffffffffa44c2680
[  572.356031] RBP: 0000000000000001 R08: 0000000000000001 R09: ff46b7e7c3199400
[  572.356031] R10: ff57b4c342983e68 R11: 0000000000000001 R12: ffffffffa44c2680
[  572.356032] R13: ff57b4c34034d000 R14: ff46b7e7c3199400 R15: 0000000000000282
[  572.356032]  ? rpm_suspend+0x185/0x5e0
[  572.356037]  uart_write+0xb4/0x270
[  572.356040]  n_tty_write+0x155/0x560
[  572.356043]  ? swake_up_all+0xd0/0xd0
[  572.356045]  file_tty_write.isra.0+0x15b/0x2a0
[  572.356046]  vfs_write+0x258/0x4d0
[  572.356050]  ? __hrtimer_run_queues+0x161/0x2a0
[  572.356052]  ksys_write+0x73/0xe0
[  572.356053]  do_syscall_64+0xa4/0xfc0
[  572.356055]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  572.356056] RIP: 0033:0x7f4c1ce7ec5e
[  572.356058] Code: 4d 89 d8 e8 34 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[  572.356058] RSP: 002b:00007ffc99fa5ea0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  572.356059] RAX: ffffffffffffffda RBX: 0000557fbebcf290 RCX: 00007f4c1ce7ec5e
[  572.356060] RDX: 0000000000000001 RSI: 0000557fbebcf290 RDI: 0000000000000001
[  572.356060] RBP: 00007ffc99fa5eb0 R08: 0000000000000000 R09: 0000000000000000
[  572.356060] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  572.356061] R13: 0000557fbeb90010 R14: 0000000000000001 R15: 0000557fbebcf290
[  572.356062]  </TASK>
[  572.356062] handlers:
[  572.357310] [<00000000959a8f49>] serial8250_interrupt
[  572.357342] Disabling IRQ #51