[  321.125672] tc (2885) used greatest stack depth: 11928 bytes left
[  326.059050] irq 4: nobody cared (try booting with the "irqpoll" option)
[  326.059203] CPU: 3 PID: 2062 Comm: perl Not tainted 6.8.0-virtme #1
[  326.059271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  326.059380] Call Trace:
[  326.059408]  <IRQ>
[  326.059437]  dump_stack_lvl+0x37/0x50
[  326.059489]  __report_bad_irq+0x2b/0xc0
[  326.059533]  note_interrupt+0x2a7/0x2f0
[  326.059572]  handle_irq_event+0x72/0x80
[  326.059611]  handle_edge_irq+0x8b/0x230
[  326.059651]  __common_interrupt+0x3e/0xb0
[  326.059691]  common_interrupt+0x81/0xa0
[  326.059733]  </IRQ>
[  326.059758]  <TASK>
[  326.059787]  asm_common_interrupt+0x26/0x40
[  326.059830] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  326.059885] 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 8c a8 af 72 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  326.060044] RSP: 0018:ffffbae900843d38 EFLAGS: 00000286
[  326.060094] RAX: 0000000000000000 RBX: ffffffff8e8b9860 RCX: 0000000000000017
[  326.060165] RDX: ffffffff8d13723a RSI: 0000000000000286 RDI: ffffffff8e8b9860
[  326.060237] RBP: 0000000000000001 R08: 0000004bffe9e4ce R09: 0000000000000001
[  326.060308] R10: ffff9fdb81fdd1f8 R11: 0000000000000000 R12: 0000000000000001
[  326.060372] R13: 0000000000000000 R14: ffff9fdb81fdd401 R15: ffff9fdb81f4c000
[  326.060443]  ? rpm_suspend+0x21a/0x6a0
[  326.060490]  uart_write+0x103/0x1d0
[  326.060539]  n_tty_write+0x1a4/0x520
[  326.060585]  ? __pfx_woken_wake_function+0x10/0x10
[  326.060642]  file_tty_write.constprop.0+0x15b/0x340
[  326.060692]  vfs_write+0x336/0x460
[  326.060732]  ksys_write+0x63/0xe0
[  326.060772]  do_syscall_64+0xad/0x1b0
[  326.060814]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.060866] RIP: 0033:0x7f6448c8f957
[  326.060909] 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
[  326.061066] RSP: 002b:00007ffdb785ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  326.061136] RAX: ffffffffffffffda RBX: 000056098ac35fb0 RCX: 00007f6448c8f957
[  326.061208] RDX: 0000000000000001 RSI: 000056098ac35fb0 RDI: 0000000000000001
[  326.061278] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  326.061343] R10: 0000000000000001 R11: 0000000000000246 R12: 000056098ac22530
[  326.061414] R13: 000056098ac032a0 R14: 0000000000000001 R15: 000056098ac22530
[  326.061487]  </TASK>
[  326.061516] handlers:
[  326.061545] [<000000002445e4bd>] serial8250_interrupt
[  326.061603] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr