[  399.103910] Mirror/redirect action on
[  409.406974] irq 4: nobody cared (try booting with the "irqpoll" option)
[  409.407081] CPU: 3 PID: 7964 Comm: perl Not tainted 6.8.0-virtme #1
[  409.407122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  409.407192] Call Trace:
[  409.407217]  <IRQ>
[  409.407237]  dump_stack_lvl+0x37/0x50
[  409.407269]  __report_bad_irq+0x2b/0xc0
[  409.407297]  note_interrupt+0x2a7/0x2f0
[  409.407320]  handle_irq_event+0x72/0x80
[  409.407344]  handle_edge_irq+0x8b/0x230
[  409.407369]  __common_interrupt+0x3e/0xb0
[  409.407399]  common_interrupt+0x81/0xa0
[  409.407426]  </IRQ>
[  409.407443]  <TASK>
[  409.407456]  asm_common_interrupt+0x26/0x40
[  409.407484] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  409.407519] 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 af 6b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  409.407618] RSP: 0018:ffffa221806a3d38 EFLAGS: 00000286
[  409.407649] RAX: 0000000000000000 RBX: ffffffff958b9860 RCX: 0000000000000017
[  409.407693] RDX: ffffffff9413717a RSI: 0000000000000286 RDI: ffffffff958b9860
[  409.407737] RBP: 0000000000000001 R08: 0000005f646d6c3c R09: 0000000000000001
[  409.407780] R10: ffff8a8441b2a5f8 R11: 0000000000000000 R12: 0000000000000001
[  409.407830] R13: 0000000000000000 R14: ffff8a8441b2a801 R15: ffff8a8441e14000
[  409.407874]  ? rpm_suspend+0x21a/0x6a0
[  409.407905]  uart_write+0x103/0x1d0
[  409.407935]  n_tty_write+0x1a4/0x520
[  409.407963]  ? __pfx_woken_wake_function+0x10/0x10
[  409.407996]  file_tty_write.constprop.0+0x15b/0x340
[  409.408027]  vfs_write+0x336/0x460
[  409.408054]  ksys_write+0x63/0xe0
[  409.408076]  do_syscall_64+0xad/0x1b0
[  409.408101]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  409.408134] RIP: 0033:0x7ffaa367a957
[  409.408163] 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
[  409.408274] RSP: 002b:00007ffcdbad6498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  409.408318] RAX: ffffffffffffffda RBX: 000055fe07842e70 RCX: 00007ffaa367a957
[  409.408361] RDX: 0000000000000001 RSI: 000055fe07842e70 RDI: 0000000000000001
[  409.408404] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  409.408447] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fe0782f530
[  409.408491] R13: 000055fe078102a0 R14: 0000000000000001 R15: 000055fe0782f530
[  409.408540]  </TASK>
[  409.408553] handlers:
[  409.408565] [<00000000b0f85f26>] serial8250_interrupt
[  409.408600] Disabling IRQ #4

WAIT TIMEOUT stderr

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Ctrl-C stderr

WAIT TIMEOUT stderr