[  945.505231][ T5697] tc (5697) used greatest stack depth: 22952 bytes left
[  953.071476][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[  953.071896][    C3] CPU: 3 UID: 0 PID: 5396 Comm: perl Not tainted 6.10.0-virtme #1
[  953.072153][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  953.072516][    C3] Call Trace:
[  953.072638][    C3]  <IRQ>
[  953.072722][    C3]  dump_stack_lvl+0x82/0xd0
[  953.072905][    C3]  __report_bad_irq+0x5f/0x180
[  953.073071][    C3]  note_interrupt+0x6b3/0x860
[  953.073238][    C3]  handle_irq_event+0x16d/0x1c0
[  953.073422][    C3]  handle_edge_irq+0x1fa/0xb60
[  953.073589][    C3]  __common_interrupt+0x82/0x170
[  953.073750][    C3]  common_interrupt+0x7e/0x90
[  953.073912][    C3]  </IRQ>
[  953.073994][    C3]  <TASK>
[  953.074073][    C3]  asm_common_interrupt+0x26/0x40
[  953.074229][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  953.074427][    C3] Code: 10 e8 b1 39 8e fd 48 89 ef e8 59 aa 8e fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d b5 80 22 5e <74> 0e 5b 5d c3 cc cc cc cc e8 7f 77 b2 fd eb dc 0f 1f 44 00 00 5b
[  953.074986][    C3] RSP: 0018:ffffc9000155fab8 EFLAGS: 00000286
[  953.075185][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4a3705b
[  953.075426][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa1e14821
[  953.075658][    C3] RBP: ffffffffa5a79320 R08: 0000000000000001 R09: fffffbfff4a32108
[  953.075894][    C3] R10: ffffffffa5190847 R11: 0000000000000000 R12: ffffffffa5a79428
[  953.076119][    C3] R13: ffff888006b20400 R14: ffffffffa5a79320 R15: 0000000000000282
[  953.076361][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  953.076580][    C3]  uart_write+0x13e/0x320
[  953.076717][    C3]  process_output_block+0x13e/0x790
[  953.076895][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  953.077111][    C3]  n_tty_write+0x412/0x7a0
[  953.077295][    C3]  ? __pfx_n_tty_write+0x10/0x10
[  953.077466][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  953.077644][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[  953.077829][    C3]  ? iterate_tty_write+0x95/0x540
[  953.078011][    C3]  ? lock_acquire+0x32/0xc0
[  953.078185][    C3]  ? iterate_tty_write+0x95/0x540
[  953.078361][    C3]  iterate_tty_write+0x228/0x540
[  953.078532][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[  953.078709][    C3]  file_tty_write.constprop.0+0x1db/0x370
[  953.078890][    C3]  vfs_write+0xa1b/0x10b0
[  953.079027][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  953.079207][    C3]  ? __pfx_vfs_write+0x10/0x10
[  953.079383][    C3]  ? clockevents_program_event+0xf6/0x300
[  953.079564][    C3]  ? __fget_light+0x53/0x1e0
[  953.079742][    C3]  ksys_write+0xf5/0x1e0
[  953.079868][    C3]  ? __pfx_ksys_write+0x10/0x10
[  953.080034][    C3]  do_syscall_64+0xc1/0x1d0
[  953.080196][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  953.080396][    C3] RIP: 0033:0x7f6c7fa75957
[  953.080556][    C3] 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
[  953.081112][    C3] RSP: 002b:00007ffea11681a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  953.081360][    C3] RAX: ffffffffffffffda RBX: 000055632f5b4310 RCX: 00007f6c7fa75957
[  953.081592][    C3] RDX: 0000000000000001 RSI: 000055632f5b4310 RDI: 0000000000000001
[  953.081819][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  953.082042][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055632f5a05c0
[  953.082271][    C3] R13: 000055632f5812a0 R14: 0000000000000001 R15: 000055632f5a05c0
[  953.082516][    C3]  </TASK>
[  953.082631][    C3] handlers:
[  953.082752][    C3] [<ffffffffa071e610>] serial8250_interrupt
[  953.083507][    C3] Disabling IRQ #4