[  411.521213] irq 4: nobody cared (try booting with the "irqpoll" option)
[  411.521322] CPU: 3 PID: 3418 Comm: perl Not tainted 6.9.0-rc2-virtme #1
[  411.521361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  411.521429] Call Trace:
[  411.521454]  <IRQ>
[  411.521474]  dump_stack_lvl+0x55/0x70
[  411.521509]  __report_bad_irq+0x2b/0xc0
[  411.521539]  note_interrupt+0x2a7/0x2f0
[  411.521563]  handle_irq_event+0x72/0x80
[  411.521588]  handle_edge_irq+0x8b/0x230
[  411.521613]  __common_interrupt+0x3e/0xb0
[  411.521638]  common_interrupt+0x81/0xa0
[  411.521670]  </IRQ>
[  411.521688]  <TASK>
[  411.521707]  asm_common_interrupt+0x26/0x40
[  411.521735] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  411.521773] 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 54 6e 4e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  411.521869] RSP: 0018:ffffaf8301693d38 EFLAGS: 00000286
[  411.521903] RAX: 0000000000000000 RBX: ffffffffb2ccb240 RCX: 0000000000000017
[  411.521956] RDX: ffffffffb1546b1e RSI: 0000000000000282 RDI: ffffffffb2ccb240
[  411.521997] RBP: 0000000000000001 R08: 0000005fe48febb5 R09: 0000000000000001
[  411.522042] R10: ffff893141ed81f8 R11: 0000000000000000 R12: 0000000000000001
[  411.522086] R13: 0000000000000000 R14: ffff893141ed8c01 R15: ffff8931420a0000
[  411.522133]  ? rpm_suspend+0x1ae/0x5e0
[  411.522167]  uart_write+0x103/0x1d0
[  411.522194]  n_tty_write+0x1a4/0x520
[  411.522224]  ? __pfx_woken_wake_function+0x10/0x10
[  411.522257]  file_tty_write.constprop.0+0x15b/0x340
[  411.522289]  vfs_write+0x336/0x460
[  411.522316]  ksys_write+0x63/0xe0
[  411.522341]  do_syscall_64+0xad/0x1b0
[  411.522367]  entry_SYSCALL_64_after_hwframe+0x72/0x7a
[  411.522399] RIP: 0033:0x7fd7b2228957
[  411.522426] 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
[  411.522523] RSP: 002b:00007ffd8326bb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  411.522566] RAX: ffffffffffffffda RBX: 000055607c89ae70 RCX: 00007fd7b2228957
[  411.522611] RDX: 0000000000000001 RSI: 000055607c89ae70 RDI: 0000000000000001
[  411.522656] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  411.522701] R10: 0000000000000001 R11: 0000000000000246 R12: 000055607c887530
[  411.522745] R13: 000055607c8682a0 R14: 0000000000000001 R15: 000055607c887530
[  411.522791]  </TASK>
[  411.522809] handlers:
[  411.522822] [<0000000047b8493b>] serial8250_interrupt
[  411.522858] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr