[  421.382604] Mirror/redirect action on
[  432.812334] irq 4: nobody cared (try booting with the "irqpoll" option)
[  432.812484] CPU: 3 PID: 8045 Comm: perl Not tainted 6.9.0-rc7-virtme #1
[  432.812544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  432.812641] Call Trace:
[  432.812674]  <IRQ>
[  432.812703]  dump_stack_lvl+0x55/0x70
[  432.812748]  __report_bad_irq+0x2b/0xc0
[  432.812787]  note_interrupt+0x2a7/0x2f0
[  432.812821]  handle_irq_event+0x72/0x80
[  432.812858]  handle_edge_irq+0x8b/0x230
[  432.812894]  __common_interrupt+0x3e/0xb0
[  432.812931]  common_interrupt+0x81/0xa0
[  432.812970]  </IRQ>
[  432.812994]  <TASK>
[  432.813012]  asm_common_interrupt+0x26/0x40
[  432.813052] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  432.813105] 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 cc b5 4d 53 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  432.813241] RSP: 0018:ffffb8bd887ebd38 EFLAGS: 00000286
[  432.813286] RAX: 0000000000000000 RBX: ffffffffadecf240 RCX: 0000000000000017
[  432.813347] RDX: ffffffffac74c58e RSI: 0000000000000282 RDI: ffffffffadecf240
[  432.813404] RBP: 0000000000000001 R08: 00000064d9a53d2b R09: 0000000000000001
[  432.813474] R10: ffff920181fb39f8 R11: 0000000000000000 R12: 0000000000000001
[  432.813528] R13: 0000000000000000 R14: ffff920181fb3401 R15: ffff920181f50000
[  432.813586]  ? rpm_suspend+0x1ae/0x5e0
[  432.813625]  uart_write+0x103/0x1d0
[  432.813673]  n_tty_write+0x1a4/0x520
[  432.813707]  ? __pfx_woken_wake_function+0x10/0x10
[  432.813753]  file_tty_write.constprop.0+0x15b/0x340
[  432.813800]  vfs_write+0x336/0x460
[  432.813837]  ksys_write+0x63/0xe0
[  432.813871]  do_syscall_64+0xa8/0x1b0
[  432.813908]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  432.813963] RIP: 0033:0x7f0558bbe957
[  432.813999] 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
[  432.814143] RSP: 002b:00007fff20b85648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  432.814209] RAX: ffffffffffffffda RBX: 000055b6f9c7afd0 RCX: 00007f0558bbe957
[  432.814269] RDX: 0000000000000001 RSI: 000055b6f9c7afd0 RDI: 0000000000000001
[  432.814328] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  432.814382] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b6f9c67560
[  432.814440] R13: 000055b6f9c482a0 R14: 0000000000000001 R15: 000055b6f9c67560
[  432.814499]  </TASK>
[  432.814524] handlers:
[  432.814542] [<00000000535ef98a>] serial8250_interrupt
[  432.814593] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr