[  349.590276] irq 4: nobody cared (try booting with the "irqpoll" option)
[  349.590403] CPU: 3 PID: 4298 Comm: perl Not tainted 6.9.0-rc5-virtme #1
[  349.590456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  349.590537] Call Trace:
[  349.590566]  <IRQ>
[  349.590590]  dump_stack_lvl+0x55/0x70
[  349.590634]  __report_bad_irq+0x2b/0xc0
[  349.590670]  note_interrupt+0x2a7/0x2f0
[  349.590708]  handle_irq_event+0x72/0x80
[  349.590747]  handle_edge_irq+0x8b/0x230
[  349.590782]  __common_interrupt+0x3e/0xb0
[  349.590820]  common_interrupt+0x81/0xa0
[  349.590858]  </IRQ>
[  349.590882]  <TASK>
[  349.590900]  asm_common_interrupt+0x26/0x40
[  349.590939] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  349.590982] 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 d5 cd 48 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  349.591120] RSP: 0018:ffffb71e80683d38 EFLAGS: 00000286
[  349.591166] RAX: 0000000000000000 RBX: ffffffffb86ce240 RCX: 0000000000000017
[  349.591232] RDX: ffffffffb6f4b8ee RSI: 0000000000000282 RDI: ffffffffb86ce240
[  349.591288] RBP: 0000000000000001 R08: 00000051782fdc6f R09: 0000000000000001
[  349.591342] R10: ffff932bc26505f8 R11: 0000000000000000 R12: 0000000000000001
[  349.591399] R13: 0000000000000000 R14: ffff932bc2650801 R15: ffff932bc1fa8000
[  349.591458]  ? rpm_suspend+0x1ae/0x5e0
[  349.591498]  uart_write+0x103/0x1d0
[  349.591534]  n_tty_write+0x1a4/0x520
[  349.591569]  ? __pfx_woken_wake_function+0x10/0x10
[  349.591615]  file_tty_write.constprop.0+0x15b/0x340
[  349.591662]  vfs_write+0x336/0x460
[  349.591698]  ksys_write+0x63/0xe0
[  349.591735]  do_syscall_64+0xa8/0x1b0
[  349.591773]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.591821] RIP: 0033:0x7f37eb050957
[  349.591854] 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
[  349.591988] RSP: 002b:00007ffcafadfcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  349.592053] RAX: ffffffffffffffda RBX: 000055c704f01050 RCX: 00007f37eb050957
[  349.592109] RDX: 0000000000000001 RSI: 000055c704f01050 RDI: 0000000000000001
[  349.592162] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  349.592229] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c704eed560
[  349.592286] R13: 000055c704ece2a0 R14: 0000000000000001 R15: 000055c704eed560
[  349.592346]  </TASK>
[  349.592370] handlers:
[  349.592390] [<000000002affdd2e>] serial8250_interrupt
[  349.592444] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr