[  428.803627] tc (4317) used greatest stack depth: 11952 bytes left
[  437.257442] irq 4: nobody cared (try booting with the "irqpoll" option)
[  437.257584] CPU: 3 UID: 0 PID: 3547 Comm: perl Not tainted 6.11.0-rc3-virtme #1
[  437.257665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  437.257751] Call Trace:
[  437.257787]  <IRQ>
[  437.257814]  dump_stack_lvl+0x55/0x70
[  437.257862]  __report_bad_irq+0x2b/0xc0
[  437.257896]  note_interrupt+0x2a7/0x2f0
[  437.257928]  handle_irq_event+0x72/0x80
[  437.257969]  handle_edge_irq+0x8b/0x230
[  437.258013]  __common_interrupt+0x3c/0xb0
[  437.258055]  common_interrupt+0x80/0x90
[  437.258101]  </IRQ>
[  437.258127]  <TASK>
[  437.258151]  asm_common_interrupt+0x26/0x40
[  437.258198] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  437.258252] 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 e8 29 48 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  437.258426] RSP: 0018:ffffa50404a93d60 EFLAGS: 00000286
[  437.258475] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  437.258550] RDX: ffffffffb798618d RSI: 0000000000000286 RDI: ffffffffb92f6560
[  437.258610] RBP: ffff8cd3c1d98000 R08: 00000065e6cc04c5 R09: 0000000000000001
[  437.258683] R10: ffff8cd3c128edf8 R11: 0000000000000000 R12: ffffffffb92f6560
[  437.258759] R13: 0000000000000286 R14: ffff8cd3c128d800 R15: ffff8cd3c128ec00
[  437.258829]  ? rpm_suspend+0x1ad/0x5e0
[  437.258875]  uart_write+0x89/0x150
[  437.258926]  n_tty_write+0x1a6/0x520
[  437.258966]  ? __pfx_woken_wake_function+0x10/0x10
[  437.259017]  file_tty_write.constprop.0+0x14d/0x330
[  437.259071]  vfs_write+0x332/0x460
[  437.259116]  ksys_write+0x63/0xe0
[  437.259156]  do_syscall_64+0x9e/0x1a0
[  437.259201]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  437.259254] RIP: 0033:0x7f7c8d89f957
[  437.259296] 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
[  437.259464] RSP: 002b:00007ffe784e99e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  437.259542] RAX: ffffffffffffffda RBX: 000056178d2dffd0 RCX: 00007f7c8d89f957
[  437.259608] RDX: 0000000000000001 RSI: 000056178d2dffd0 RDI: 0000000000000001
[  437.259677] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  437.259747] R10: 0000000000000001 R11: 0000000000000246 R12: 000056178d2cc560
[  437.259816] R13: 000056178d2ad2a0 R14: 0000000000000001 R15: 000056178d2cc560
[  437.259880]  </TASK>
[  437.259911] handlers:
[  437.259931] [<00000000e72acd31>] serial8250_interrupt
[  437.259986] Disabling IRQ #4