[  327.488543] irq 4: nobody cared (try booting with the "irqpoll" option)
[  327.488704] CPU: 3 PID: 3106 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[  327.488767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  327.488862] Call Trace:
[  327.488892]  <IRQ>
[  327.488922]  dump_stack_lvl+0x37/0x50
[  327.488972]  __report_bad_irq+0x2b/0xc0
[  327.489014]  note_interrupt+0x2a7/0x2f0
[  327.489053]  handle_irq_event+0x72/0x80
[  327.489091]  handle_edge_irq+0x8b/0x230
[  327.489128]  __common_interrupt+0x3e/0xb0
[  327.489171]  common_interrupt+0x81/0xa0
[  327.489218]  </IRQ>
[  327.489241]  <TASK>
[  327.489262]  asm_common_interrupt+0x26/0x40
[  327.489307] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  327.489359] 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 dc 76 50 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  327.489508] RSP: 0018:ffffb82d0071bd38 EFLAGS: 00000286
[  327.489555] RAX: 0000000000000000 RBX: ffffffff87eae860 RCX: 0000000000000017
[  327.489623] RDX: ffffffff867293db RSI: 0000000000000286 RDI: ffffffff87eae860
[  327.489690] RBP: 0000000000000001 R08: 0000004c524a60ac R09: 0000000000000001
[  327.489758] R10: ffff8e1d012875f8 R11: 0000000000000000 R12: 0000000000000001
[  327.489824] R13: 0000000000000000 R14: ffff8e1d01287801 R15: ffff8e1d02024000
[  327.489892]  ? rpm_suspend+0x21b/0x6a0
[  327.489932]  uart_write+0x103/0x1d0
[  327.489975]  n_tty_write+0x1a6/0x520
[  327.490012]  ? __pfx_woken_wake_function+0x10/0x10
[  327.490058]  file_tty_write.constprop.0+0x15c/0x340
[  327.490106]  vfs_write+0x339/0x460
[  327.490147]  ksys_write+0x63/0xe0
[  327.490184]  do_syscall_64+0xb0/0x1b0
[  327.490222]  entry_SYSCALL_64_after_hwframe+0x6f/0x77
[  327.490268] RIP: 0033:0x7fdc933c9957
[  327.490301] 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
[  327.490450] RSP: 002b:00007ffe3da30a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  327.490517] RAX: ffffffffffffffda RBX: 000055f77dcc3e70 RCX: 00007fdc933c9957
[  327.490582] RDX: 0000000000000001 RSI: 000055f77dcc3e70 RDI: 0000000000000001
[  327.490651] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  327.490717] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f77dcb0530
[  327.490786] R13: 000055f77dc912a0 R14: 0000000000000001 R15: 000055f77dcb0530
[  327.490858]  </TASK>
[  327.490886] handlers:
[  327.490915] [<0000000048467918>] serial8250_interrupt
[  327.490972] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr