[  318.875521] irq 4: nobody cared (try booting with the "irqpoll" option)
[  318.875640] CPU: 3 PID: 2087 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[  318.875681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  318.875746] Call Trace:
[  318.875770]  <IRQ>
[  318.875788]  dump_stack_lvl+0x55/0x70
[  318.875822]  __report_bad_irq+0x2b/0xc0
[  318.875849]  note_interrupt+0x2a7/0x2f0
[  318.875874]  handle_irq_event+0x72/0x80
[  318.875904]  handle_edge_irq+0x8b/0x230
[  318.875928]  __common_interrupt+0x3e/0xb0
[  318.875959]  common_interrupt+0x81/0xa0
[  318.875986]  </IRQ>
[  318.876001]  <TASK>
[  318.876020]  asm_common_interrupt+0x26/0x40
[  318.876052] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  318.876088] 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 14 ae 50 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  318.876181] RSP: 0018:ffffb98880663d38 EFLAGS: 00000286
[  318.876217] RAX: 0000000000000000 RBX: ffffffffb08ce240 RCX: 0000000000000017
[  318.876261] RDX: ffffffffaf14a05e RSI: 0000000000000282 RDI: ffffffffb08ce240
[  318.876305] RBP: 0000000000000001 R08: 0000004a5057a847 R09: 0000000000000001
[  318.876349] R10: ffff98e7012655f8 R11: 0000000000000000 R12: 0000000000000001
[  318.876392] R13: 0000000000000000 R14: ffff98e701267001 R15: ffff98e701f50000
[  318.876437]  ? rpm_suspend+0x1ae/0x5e0
[  318.876467]  uart_write+0x103/0x1d0
[  318.876494]  n_tty_write+0x1a4/0x520
[  318.876522]  ? __pfx_woken_wake_function+0x10/0x10
[  318.876557]  file_tty_write.constprop.0+0x15b/0x340
[  318.876593]  vfs_write+0x336/0x460
[  318.876624]  ksys_write+0x63/0xe0
[  318.876653]  do_syscall_64+0xa8/0x1b0
[  318.876681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.876714] RIP: 0033:0x7fbbe101b957
[  318.876740] 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
[  318.876836] RSP: 002b:00007fff336562e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  318.876880] RAX: ffffffffffffffda RBX: 0000563b2e500fd0 RCX: 00007fbbe101b957
[  318.876924] RDX: 0000000000000001 RSI: 0000563b2e500fd0 RDI: 0000000000000001
[  318.876968] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  318.877012] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563b2e4ed560
[  318.877056] R13: 0000563b2e4ce2a0 R14: 0000000000000001 R15: 0000563b2e4ed560
[  318.877101]  </TASK>
[  318.877118] handlers:
[  318.877136] [<00000000e9e98eb1>] serial8250_interrupt
[  318.877173] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr