[  496.312546] tc (28242) used greatest stack depth: 11464 bytes left
[  497.506710] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1307933622 wd_nsec: 1307933659
[  595.883017] irq 51: nobody cared (try booting with the "irqpoll" option)
[  595.883093] CPU: 0 UID: 0 PID: 24480 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  595.883096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.883098] Call Trace:
[  595.883101]  <IRQ>
[  595.883105]  dump_stack_lvl+0x4d/0x70
[  595.883112]  __report_bad_irq+0x35/0xb8
[  595.883114]  note_interrupt.cold+0x28/0x66
[  595.883115]  handle_irq_event+0x6e/0x80
[  595.883118]  handle_edge_irq+0xbc/0x180
[  595.883120]  __common_interrupt+0x40/0xd0
[  595.883123]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  595.883124]  common_interrupt+0x7a/0x90
[  595.883128]  </IRQ>
[  595.883129]  <TASK>
[  595.883129]  asm_common_interrupt+0x26/0x40
[  595.883131] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  595.883134] 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
[  595.883135] RSP: 0018:ff350bda83e4fd38 EFLAGS: 00000286
[  595.883137] RAX: 00000000ffffffff RBX: ff1cff6141f88000 RCX: 0000000000000017
[  595.883138] RDX: ffffffff9e7ce935 RSI: 0000000000000282 RDI: ffffffff9fac0680
[  595.883139] RBP: 0000000000000001 R08: 0000000000000001 R09: ff1cff6141d56800
[  595.883139] R10: ff350bda83e4fe68 R11: 0000000000000001 R12: ffffffff9fac0680
[  595.883140] R13: ff350bda80345000 R14: ff1cff6141d56800 R15: 0000000000000282
[  595.883140]  ? rpm_suspend+0x185/0x5e0
[  595.883145]  uart_write+0xb4/0x270
[  595.883148]  n_tty_write+0x155/0x560
[  595.883151]  ? swake_up_all+0xd0/0xd0
[  595.883153]  file_tty_write.isra.0+0x15b/0x2a0
[  595.883154]  vfs_write+0x258/0x4d0
[  595.883158]  ? __hrtimer_run_queues+0x161/0x2a0
[  595.883160]  ksys_write+0x73/0xe0
[  595.883161]  do_syscall_64+0xa4/0xfc0
[  595.883163]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  595.883164] RIP: 0033:0x7f4a747b8c5e
[  595.883166] 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
[  595.883166] RSP: 002b:00007fff750986e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  595.883167] RAX: ffffffffffffffda RBX: 000055d44b8c0230 RCX: 00007f4a747b8c5e
[  595.883168] RDX: 0000000000000001 RSI: 000055d44b8c0230 RDI: 0000000000000001
[  595.883168] RBP: 00007fff750986f0 R08: 0000000000000000 R09: 0000000000000000
[  595.883168] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  595.883169] R13: 000055d44b881010 R14: 0000000000000001 R15: 000055d44b8c0230
[  595.883170]  </TASK>
[  595.883170] handlers:
[  595.884434] [<00000000edb284ef>] serial8250_interrupt
[  595.884461] Disabling IRQ #51