[  459.144552] irq 4: nobody cared (try booting with the "irqpoll" option)
[  459.144655] CPU: 3 PID: 9674 Comm: perl Not tainted 6.8.0-virtme #1
[  459.144697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  459.144764] Call Trace:
[  459.144785]  <IRQ>
[  459.144806]  dump_stack_lvl+0x37/0x50
[  459.144839]  __report_bad_irq+0x2b/0xc0
[  459.144866]  note_interrupt+0x2a7/0x2f0
[  459.144890]  handle_irq_event+0x72/0x80
[  459.144916]  handle_edge_irq+0x8b/0x230
[  459.144942]  __common_interrupt+0x3e/0xb0
[  459.144967]  common_interrupt+0x81/0xa0
[  459.144996]  </IRQ>
[  459.145011]  <TASK>
[  459.145024]  asm_common_interrupt+0x26/0x40
[  459.145053] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  459.145089] 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 8c 98 0f 67 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  459.145186] RSP: 0018:ffffa81045a3bd38 EFLAGS: 00000286
[  459.145218] RAX: 0000000000000000 RBX: ffffffff9a2b9860 RCX: 0000000000000017
[  459.145264] RDX: ffffffff98b3724a RSI: 0000000000000286 RDI: ffffffff9a2b9860
[  459.145309] RBP: 0000000000000001 R08: 0000006af7602e9b R09: 0000000000000001
[  459.145355] R10: ffff904941d42df8 R11: 0000000000000000 R12: 0000000000000001
[  459.145400] R13: 0000000000000000 R14: ffff904941d42801 R15: ffff904941fe4000
[  459.145440]  ? rpm_suspend+0x21a/0x6a0
[  459.145468]  uart_write+0x103/0x1d0
[  459.145496]  n_tty_write+0x1a4/0x520
[  459.145524]  ? __pfx_woken_wake_function+0x10/0x10
[  459.145558]  file_tty_write.constprop.0+0x15b/0x340
[  459.145590]  vfs_write+0x336/0x460
[  459.145617]  ksys_write+0x63/0xe0
[  459.145640]  do_syscall_64+0xad/0x1b0
[  459.145666]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  459.145699] RIP: 0033:0x7f5f05236957
[  459.145723] 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
[  459.145820] RSP: 002b:00007ffcaadbfe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  459.145864] RAX: ffffffffffffffda RBX: 000055c7c1111e70 RCX: 00007f5f05236957
[  459.145909] RDX: 0000000000000001 RSI: 000055c7c1111e70 RDI: 0000000000000001
[  459.145954] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  459.145999] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c7c10fe530
[  459.146044] R13: 000055c7c10df2a0 R14: 0000000000000001 R15: 000055c7c10fe530
[  459.146090]  </TASK>
[  459.146108] handlers:
[  459.146121] [<000000000b1f026f>] serial8250_interrupt
[  459.146156] Disabling IRQ #4

WAIT TIMEOUT stderr

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Ctrl-C stderr

WAIT TIMEOUT stderr