[  794.982577] irq 51: nobody cared (try booting with the "irqpoll" option)
[  794.982656] CPU: 0 UID: 0 PID: 1910 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  794.982658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  794.982660] Call Trace:
[  794.982663]  <IRQ>
[  794.982667]  dump_stack_lvl+0x4d/0x70
[  794.982673]  __report_bad_irq+0x35/0xb8
[  794.982675]  note_interrupt.cold+0x28/0x66
[  794.982676]  handle_irq_event+0x6e/0x80
[  794.982679]  handle_edge_irq+0xbc/0x180
[  794.982681]  __common_interrupt+0x40/0xd0
[  794.982684]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  794.982686]  common_interrupt+0x7a/0x90
[  794.982689]  </IRQ>
[  794.982690]  <TASK>
[  794.982690]  asm_common_interrupt+0x26/0x40
[  794.982692] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  794.982695] 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
[  794.982696] RSP: 0018:ff1ff78ac2e7fd38 EFLAGS: 00000286
[  794.982698] RAX: 00000000ffffffff RBX: ff17599981d84000 RCX: 0000000000000017
[  794.982699] RDX: ffffffff8afce8f5 RSI: 0000000000000282 RDI: ffffffff8c2c1680
[  794.982700] RBP: 0000000000000001 R08: 0000000000000001 R09: ff1759998645a800
[  794.982700] R10: ff1ff78ac2e7fe68 R11: 0000000000000001 R12: ffffffff8c2c1680
[  794.982700] R13: ff1ff78ac034d000 R14: ff1759998645a800 R15: 0000000000000282
[  794.982701]  ? rpm_suspend+0x185/0x5e0
[  794.982705]  uart_write+0xb4/0x270
[  794.982708]  n_tty_write+0x155/0x560
[  794.982710]  ? swake_up_all+0xd0/0xd0
[  794.982712]  file_tty_write.isra.0+0x15b/0x2a0
[  794.982713]  vfs_write+0x258/0x4d0
[  794.982717]  ksys_write+0x73/0xe0
[  794.982718]  do_syscall_64+0xa4/0xfc0
[  794.982720]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  794.982721] RIP: 0033:0x7ff03adbdc5e
[  794.982723] Code: 4d 89 d8 e8 14 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
[  794.982724] RSP: 002b:00007ffd032bc0e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  794.982725] RAX: ffffffffffffffda RBX: 000055b3e3ea42f0 RCX: 00007ff03adbdc5e
[  794.982725] RDX: 0000000000000001 RSI: 000055b3e3ea42f0 RDI: 0000000000000001
[  794.982725] RBP: 00007ffd032bc0f0 R08: 0000000000000000 R09: 0000000000000000
[  794.982726] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  794.982726] R13: 000055b3e3e65010 R14: 0000000000000001 R15: 000055b3e3ea42f0
[  794.982727]  </TASK>
[  794.982727] handlers:
[  794.984113] [<000000004ea403c7>] serial8250_interrupt
[  794.984147] Disabling IRQ #51