[ 933.555946][ T3671] tc (3671) used greatest stack depth: 22872 bytes left
[ 966.837682][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 966.838047][ C3] CPU: 3 PID: 3449 Comm: perl Not tainted 6.10.0-rc3-virtme #1
[ 966.838293][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 966.838646][ C3] Call Trace:
[ 966.838769][ C3]
[ 966.838854][ C3] dump_stack_lvl+0x82/0xd0
[ 966.839025][ C3] __report_bad_irq+0x5f/0x180
[ 966.839194][ C3] note_interrupt+0x6b3/0x860
[ 966.839360][ C3] handle_irq_event+0x16d/0x1c0
[ 966.839519][ C3] handle_edge_irq+0x1fa/0xb60
[ 966.839678][ C3] __common_interrupt+0x82/0x170
[ 966.839838][ C3] common_interrupt+0x7e/0x90
[ 966.839994][ C3]
[ 966.840076][ C3]
[ 966.840162][ C3] asm_common_interrupt+0x26/0x40
[ 966.840323][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 966.840529][ C3] Code: 10 e8 71 2a 92 fd 48 89 ef e8 e9 9a 92 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 35 8a 66 47 <74> 0e 5b 5d c3 cc cc cc cc e8 1f 11 b6 fd eb dc 0f 1f 44 00 00 5b
[ 966.841069][ C3] RSP: 0018:ffffc90002cbfac0 EFLAGS: 00000286
[ 966.841314][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff776ff4c
[ 966.841551][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb89d3de1
[ 966.841785][ C3] RBP: ffffffffbc441060 R08: 0000000000000001 R09: fffffbfff776b0a8
[ 966.842014][ C3] R10: ffffffffbbb58547 R11: 0000000000000000 R12: 0000000000000001
[ 966.842248][ C3] R13: 0000000000000286 R14: ffffffffbc441060 R15: ffff888006c76800
[ 966.842492][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 966.842691][ C3] uart_write+0x13d/0x330
[ 966.842817][ C3] process_output_block+0x13e/0x790
[ 966.842983][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 966.843180][ C3] n_tty_write+0x412/0x7a0
[ 966.843344][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 966.843500][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 966.843660][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 966.843816][ C3] ? iterate_tty_write+0x95/0x540
[ 966.843967][ C3] ? lock_acquire+0x32/0xc0
[ 966.844120][ C3] ? iterate_tty_write+0x95/0x540
[ 966.844283][ C3] iterate_tty_write+0x228/0x540
[ 966.844441][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 966.844602][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 966.844762][ C3] vfs_write+0xa18/0x10b0
[ 966.844887][ C3] ? __pfx___lock_release+0x10/0x10
[ 966.845054][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 966.845210][ C3] ? __might_fault+0xc3/0x170
[ 966.845370][ C3] ? lock_acquire+0x32/0xc0
[ 966.845525][ C3] ? __pfx_vfs_write+0x10/0x10
[ 966.845689][ C3] ? __might_fault+0x11b/0x170
[ 966.845846][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 966.846043][ C3] ? __fget_light+0x53/0x1e0
[ 966.846202][ C3] ksys_write+0xf5/0x1e0
[ 966.846322][ C3] ? __pfx_ksys_write+0x10/0x10
[ 966.846483][ C3] do_syscall_64+0xc1/0x1d0
[ 966.846638][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 966.846838][ C3] RIP: 0033:0x7f6e00a09957
[ 966.846997][ 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
[ 966.847538][ C3] RSP: 002b:00007fffd7662448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 966.847780][ C3] RAX: ffffffffffffffda RBX: 000055c8494b21d0 RCX: 00007f6e00a09957
[ 966.848004][ C3] RDX: 0000000000000001 RSI: 000055c8494b21d0 RDI: 0000000000000001
[ 966.848230][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 966.848457][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c84949e5c0
[ 966.848690][ C3] R13: 000055c84947f2a0 R14: 0000000000000001 R15: 000055c84949e5c0
[ 966.848940][ C3]
[ 966.849061][ C3] handlers:
[ 966.849188][ C3] [] serial8250_interrupt
[ 966.849520][ C3] Disabling IRQ #4