[  369.887636] irq 4: nobody cared (try booting with the "irqpoll" option)
[  369.887760] CPU: 3 PID: 3096 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[  369.887815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  369.887897] Call Trace:
[  369.887922]  <IRQ>
[  369.887949]  dump_stack_lvl+0x55/0x70
[  369.887997]  __report_bad_irq+0x2b/0xc0
[  369.888036]  note_interrupt+0x2a7/0x2f0
[  369.888064]  handle_irq_event+0x72/0x80
[  369.888095]  handle_edge_irq+0x8b/0x230
[  369.888129]  __common_interrupt+0x3e/0xb0
[  369.888181]  common_interrupt+0x81/0xa0
[  369.888215]  </IRQ>
[  369.888239]  <TASK>
[  369.888257]  asm_common_interrupt+0x26/0x40
[  369.888294] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  369.888338] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d dc 14 4e 5d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  369.888461] RSP: 0018:ffffa3f300d43d38 EFLAGS: 00000286
[  369.888500] RAX: 0000000000000000 RBX: ffffffffa3ece240 RCX: 0000000000000017
[  369.888558] RDX: ffffffffa2749ece RSI: 0000000000000282 RDI: ffffffffa3ece240
[  369.888608] RBP: 0000000000000001 R08: 00000056300dfa40 R09: 0000000000000001
[  369.888666] R10: ffff8cc54239fdf8 R11: 0000000000000000 R12: 0000000000000001
[  369.888718] R13: 0000000000000000 R14: ffff8cc54239f001 R15: ffff8cc541fa4000
[  369.888777]  ? rpm_suspend+0x1ae/0x5e0
[  369.888818]  uart_write+0x103/0x1d0
[  369.888853]  n_tty_write+0x1a4/0x520
[  369.888888]  ? __pfx_woken_wake_function+0x10/0x10
[  369.888928]  file_tty_write.constprop.0+0x15b/0x340
[  369.888967]  vfs_write+0x336/0x460
[  369.889004]  ksys_write+0x63/0xe0
[  369.889033]  do_syscall_64+0xa8/0x1b0
[  369.889066]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.889105] RIP: 0033:0x7fc3e3ab7957
[  369.889135] Code: 0b 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
[  369.889257] RSP: 002b:00007fffb4263fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  369.889316] RAX: ffffffffffffffda RBX: 00005643b7e61ef0 RCX: 00007fc3e3ab7957
[  369.889365] RDX: 0000000000000001 RSI: 00005643b7e61ef0 RDI: 0000000000000001
[  369.889415] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  369.889466] R10: 0000000000000001 R11: 0000000000000246 R12: 00005643b7e4e530
[  369.889523] R13: 00005643b7e2f2a0 R14: 0000000000000001 R15: 00005643b7e4e530
[  369.889581]  </TASK>
[  369.889603] handlers:
[  369.889620] [<000000000f1798ad>] serial8250_interrupt
[  369.889666] Disabling IRQ #4

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