[ 1215.192650] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1215.192765] CPU: 3 PID: 18528 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[ 1215.192806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1215.192869] Call Trace:
[ 1215.192894]  <IRQ>
[ 1215.192915]  dump_stack_lvl+0x37/0x50
[ 1215.192950]  __report_bad_irq+0x2b/0xc0
[ 1215.193016]  note_interrupt+0x2a7/0x2f0
[ 1215.193042]  handle_irq_event+0x72/0x80
[ 1215.193070]  handle_edge_irq+0x8b/0x230
[ 1215.193093]  __common_interrupt+0x3e/0xb0
[ 1215.193124]  common_interrupt+0x81/0xa0
[ 1215.193151]  </IRQ>
[ 1215.193165]  <TASK>
[ 1215.193184]  asm_common_interrupt+0x26/0x40
[ 1215.193215] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[ 1215.193250] 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 86 d0 46 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[ 1215.193345] RSP: 0018:ffffae8700b83d38 EFLAGS: 00000286
[ 1215.193381] RAX: 0000000000000000 RBX: ffffffffba6ae860 RCX: 0000000000000017
[ 1215.193424] RDX: ffffffffb8f28ffb RSI: 0000000000000286 RDI: ffffffffba6ae860
[ 1215.193467] RBP: 0000000000000001 R08: 0000011b00827c46 R09: 0000000000000001
[ 1215.193512] R10: ffff9316423391f8 R11: 0000000000000000 R12: 0000000000000001
[ 1215.193561] R13: 0000000000000000 R14: ffff931642339401 R15: ffff931641f48000
[ 1215.193607]  ? rpm_suspend+0x21b/0x6a0
[ 1215.193641]  uart_write+0x103/0x1d0
[ 1215.193671]  n_tty_write+0x1a6/0x520
[ 1215.193697]  ? __pfx_woken_wake_function+0x10/0x10
[ 1215.193736]  file_tty_write.constprop.0+0x15c/0x340
[ 1215.193777]  vfs_write+0x339/0x460
[ 1215.193810]  ksys_write+0x63/0xe0
[ 1215.193843]  do_syscall_64+0xb0/0x1b0
[ 1215.193880]  entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 1215.193916] RIP: 0033:0x7f441eb71957
[ 1215.193947] 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
[ 1215.194051] RSP: 002b:00007ffc78b00708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1215.194100] RAX: ffffffffffffffda RBX: 0000560b41e8efb0 RCX: 00007f441eb71957
[ 1215.194143] RDX: 0000000000000001 RSI: 0000560b41e8efb0 RDI: 0000000000000001
[ 1215.194187] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1215.194230] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560b41e7b530
[ 1215.194268] R13: 0000560b41e5c2a0 R14: 0000000000000001 R15: 0000560b41e7b530
[ 1215.194313]  </TASK>
[ 1215.194330] handlers:
[ 1215.194348] [<00000000d3640b12>] serial8250_interrupt
[ 1215.194389] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr