[  317.955637] irq 4: nobody cared (try booting with the "irqpoll" option)
[  317.955751] CPU: 3 PID: 3158 Comm: perl Not tainted 6.9.0-rc2-virtme #1
[  317.955804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  317.955877] Call Trace:
[  317.955902]  <IRQ>
[  317.955925]  dump_stack_lvl+0x55/0x70
[  317.955958]  __report_bad_irq+0x2b/0xc0
[  317.955986]  note_interrupt+0x2a7/0x2f0
[  317.956011]  handle_irq_event+0x72/0x80
[  317.956038]  handle_edge_irq+0x8b/0x230
[  317.956063]  __common_interrupt+0x3e/0xb0
[  317.956091]  common_interrupt+0x81/0xa0
[  317.956117]  </IRQ>
[  317.956137]  <TASK>
[  317.956153]  asm_common_interrupt+0x26/0x40
[  317.956182] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  317.956218] 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 ae 6e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  317.956328] RSP: 0018:ffffbc44406bbd38 EFLAGS: 00000286
[  317.956367] RAX: 0000000000000000 RBX: ffffffff928cd240 RCX: 0000000000000017
[  317.956421] RDX: ffffffff91146b1e RSI: 0000000000000282 RDI: ffffffff928cd240
[  317.956476] RBP: 0000000000000001 R08: 0000004a1b3885f9 R09: 0000000000000001
[  317.956534] R10: ffff9ade412621f8 R11: 0000000000000000 R12: 0000000000000001
[  317.956584] R13: 0000000000000000 R14: ffff9ade41262401 R15: ffff9ade41e54000
[  317.956639]  ? rpm_suspend+0x1ae/0x5e0
[  317.956673]  uart_write+0x103/0x1d0
[  317.956710]  n_tty_write+0x1a4/0x520
[  317.956762]  ? __pfx_woken_wake_function+0x10/0x10
[  317.956801]  file_tty_write.constprop.0+0x15b/0x340
[  317.956832]  vfs_write+0x336/0x460
[  317.956866]  ksys_write+0x63/0xe0
[  317.956892]  do_syscall_64+0xad/0x1b0
[  317.956922]  entry_SYSCALL_64_after_hwframe+0x72/0x7a
[  317.956956] RIP: 0033:0x7f23d4de9957
[  317.956982] 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
[  317.957075] RSP: 002b:00007fff02fb1908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  317.957118] RAX: ffffffffffffffda RBX: 0000559f50ee2fb0 RCX: 00007f23d4de9957
[  317.957171] RDX: 0000000000000001 RSI: 0000559f50ee2fb0 RDI: 0000000000000001
[  317.957215] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  317.957259] R10: 0000000000000001 R11: 0000000000000246 R12: 0000559f50ecf530
[  317.957302] R13: 0000559f50eb02a0 R14: 0000000000000001 R15: 0000559f50ecf530
[  317.957342]  </TASK>
[  317.957361] handlers:
[  317.957378] [<000000008cd58db7>] serial8250_interrupt
[  317.957425] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr