[  420.757129] Mirror/redirect action on
[  431.503497] irq 4: nobody cared (try booting with the "irqpoll" option)
[  431.503607] CPU: 3 PID: 8044 Comm: perl Not tainted 6.9.0-rc5-virtme #1
[  431.503648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  431.503712] Call Trace:
[  431.503736]  <IRQ>
[  431.503756]  dump_stack_lvl+0x55/0x70
[  431.503798]  __report_bad_irq+0x2b/0xc0
[  431.503826]  note_interrupt+0x2a7/0x2f0
[  431.503849]  handle_irq_event+0x72/0x80
[  431.503876]  handle_edge_irq+0x8b/0x230
[  431.503902]  __common_interrupt+0x3e/0xb0
[  431.503927]  common_interrupt+0x81/0xa0
[  431.503955]  </IRQ>
[  431.503970]  <TASK>
[  431.503983]  asm_common_interrupt+0x26/0x40
[  431.504011] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  431.504045] 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 bc e5 0d 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  431.504147] RSP: 0018:ffffaca0487fbd38 EFLAGS: 00000286
[  431.504185] RAX: 0000000000000000 RBX: ffffffff882ce240 RCX: 0000000000000017
[  431.504230] RDX: ffffffff86b4a45e RSI: 0000000000000282 RDI: ffffffff882ce240
[  431.504274] RBP: 0000000000000001 R08: 000000648c8d10af R09: 0000000000000001
[  431.504317] R10: ffff946701eb7df8 R11: 0000000000000000 R12: 0000000000000001
[  431.504361] R13: 0000000000000000 R14: ffff946701eb7001 R15: ffff946701e8c000
[  431.504406]  ? rpm_suspend+0x1ae/0x5e0
[  431.504437]  uart_write+0x103/0x1d0
[  431.504465]  n_tty_write+0x1a4/0x520
[  431.504496]  ? __pfx_woken_wake_function+0x10/0x10
[  431.504530]  file_tty_write.constprop.0+0x15b/0x340
[  431.504561]  vfs_write+0x336/0x460
[  431.504588]  ksys_write+0x63/0xe0
[  431.504613]  do_syscall_64+0xa8/0x1b0
[  431.504638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  431.504671] RIP: 0033:0x7fa17b5d3957
[  431.504694] 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
[  431.504789] RSP: 002b:00007ffd06455528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  431.504833] RAX: ffffffffffffffda RBX: 0000558cf1680fd0 RCX: 00007fa17b5d3957
[  431.504879] RDX: 0000000000000001 RSI: 0000558cf1680fd0 RDI: 0000000000000001
[  431.504929] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  431.504973] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558cf166d560
[  431.505017] R13: 0000558cf164e2a0 R14: 0000000000000001 R15: 0000558cf166d560
[  431.505062]  </TASK>
[  431.505079] handlers:
[  431.505092] [<00000000ba90f4ff>] serial8250_interrupt
[  431.505129] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr