[  432.692441] irq 4: nobody cared (try booting with the "irqpoll" option)
[  432.692597] CPU: 3 PID: 3631 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[  432.692656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  432.692746] Call Trace:
[  432.692775]  <IRQ>
[  432.692798]  dump_stack_lvl+0x55/0x70
[  432.692841]  __report_bad_irq+0x2b/0xc0
[  432.692892]  note_interrupt+0x2a7/0x2f0
[  432.692924]  handle_irq_event+0x72/0x80
[  432.692957]  handle_edge_irq+0x8b/0x230
[  432.692991]  __common_interrupt+0x3e/0xb0
[  432.693025]  common_interrupt+0x81/0xa0
[  432.693064]  </IRQ>
[  432.693085]  <TASK>
[  432.693103]  asm_common_interrupt+0x26/0x40
[  432.693142] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  432.693192] 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 ce 70 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  432.693331] RSP: 0018:ffffae78c16e7d38 EFLAGS: 00000286
[  432.693376] RAX: 0000000000000000 RBX: ffffffff906ce240 RCX: 0000000000000017
[  432.693435] RDX: ffffffff8ef49ece RSI: 0000000000000282 RDI: ffffffff906ce240
[  432.693500] RBP: 0000000000000001 R08: 00000064ca323397 R09: 0000000000000001
[  432.693552] R10: ffff9fb9427411f8 R11: 0000000000000000 R12: 0000000000000001
[  432.693610] R13: 0000000000000000 R14: ffff9fb942741401 R15: ffff9fb941fa4000
[  432.693666]  ? rpm_suspend+0x1ae/0x5e0
[  432.693704]  uart_write+0x103/0x1d0
[  432.693740]  n_tty_write+0x1a4/0x520
[  432.693773]  ? __pfx_woken_wake_function+0x10/0x10
[  432.693816]  file_tty_write.constprop.0+0x15b/0x340
[  432.693861]  vfs_write+0x336/0x460
[  432.693898]  ksys_write+0x63/0xe0
[  432.693945]  do_syscall_64+0xa8/0x1b0
[  432.693981]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  432.694025] RIP: 0033:0x7f2221920957
[  432.694059] 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
[  432.694193] RSP: 002b:00007ffe563f8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  432.694257] RAX: ffffffffffffffda RBX: 000055f7bcb76fb0 RCX: 00007f2221920957
[  432.694311] RDX: 0000000000000001 RSI: 000055f7bcb76fb0 RDI: 0000000000000001
[  432.694354] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  432.694407] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f7bcb63530
[  432.694458] R13: 000055f7bcb442a0 R14: 0000000000000001 R15: 000055f7bcb63530
[  432.694514]  </TASK>
[  432.694531] handlers:
[  432.694547] [<000000008fba5265>] serial8250_interrupt
[  432.694592] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr