[  327.049375] tc (3637) used greatest stack depth: 11992 bytes left
[  335.157196] irq 4: nobody cared (try booting with the "irqpoll" option)
[  335.157319] CPU: 3 UID: 0 PID: 2822 Comm: perl Not tainted 6.11.0-rc3-virtme #1
[  335.157400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  335.157493] Call Trace:
[  335.157516]  <IRQ>
[  335.157543]  dump_stack_lvl+0x55/0x70
[  335.157620]  __report_bad_irq+0x2b/0xc0
[  335.157661]  note_interrupt+0x2a7/0x2f0
[  335.157694]  handle_irq_event+0x72/0x80
[  335.157729]  handle_edge_irq+0x8b/0x230
[  335.157768]  __common_interrupt+0x3c/0xb0
[  335.157810]  common_interrupt+0x80/0x90
[  335.157847]  </IRQ>
[  335.157871]  <TASK>
[  335.157898]  asm_common_interrupt+0x26/0x40
[  335.157946] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  335.157994] 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 cc d8 89 4a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  335.158129] RSP: 0018:ffffb44f43c9bd60 EFLAGS: 00000286
[  335.158174] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  335.158242] RDX: ffffffffb5386dad RSI: 0000000000000286 RDI: ffffffffb6cf6560
[  335.158293] RBP: ffff9b6081e48000 R08: 0000004e1c8bb99b R09: 0000000000000001
[  335.158352] R10: ffff9b608128edf8 R11: 0000000000000000 R12: ffffffffb6cf6560
[  335.158409] R13: 0000000000000286 R14: ffff9b608128d800 R15: ffff9b608128ec00
[  335.158474]  ? rpm_suspend+0x1ad/0x5e0
[  335.158513]  uart_write+0x89/0x150
[  335.158556]  n_tty_write+0x1a6/0x520
[  335.158592]  ? __pfx_woken_wake_function+0x10/0x10
[  335.158636]  file_tty_write.constprop.0+0x14d/0x330
[  335.158678]  vfs_write+0x332/0x460
[  335.158721]  ksys_write+0x63/0xe0
[  335.158760]  do_syscall_64+0x9e/0x1a0
[  335.158795]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.158855] RIP: 0033:0x7f4150954957
[  335.158889] 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
[  335.159034] RSP: 002b:00007ffeb63b6288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  335.159096] RAX: ffffffffffffffda RBX: 00005558cf25e0b0 RCX: 00007f4150954957
[  335.159161] RDX: 0000000000000001 RSI: 00005558cf25e0b0 RDI: 0000000000000001
[  335.159219] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  335.159272] R10: 0000000000000001 R11: 0000000000000246 R12: 00005558cf24a580
[  335.159336] R13: 00005558cf22b2a0 R14: 0000000000000001 R15: 00005558cf24a580
[  335.159394]  </TASK>
[  335.159420] handlers:
[  335.159440] [<0000000041cf7d5f>] serial8250_interrupt
[  335.159486] Disabling IRQ #4