[ 804.214352][ T8795] tc (8795) used greatest stack depth: 23416 bytes left
[ 819.986124][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 819.986460][ C0] CPU: 0 UID: 0 PID: 8306 Comm: perl Not tainted 6.19.0-rc4-virtme #1 PREEMPT(full)
[ 819.986463][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 819.986465][ C0] Call Trace:
[ 819.986466][ C0]
[ 819.986468][ C0] dump_stack_lvl+0x6f/0xa0
[ 819.986477][ C0] __report_bad_irq+0x66/0x161
[ 819.986481][ C0] note_interrupt.cold+0x21/0xe7
[ 819.986484][ C0] ? serial8250_get_port+0x50/0x50
[ 819.986488][ C0] ? poll_spurious_irqs+0x140/0x140
[ 819.986494][ C0] handle_irq_event+0x166/0x1c0
[ 819.986497][ C0] handle_edge_irq+0x2ec/0x880
[ 819.986501][ C0] __common_interrupt+0xae/0x270
[ 819.986505][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 819.986507][ C0] common_interrupt+0xb0/0xf0
[ 819.986512][ C0]
[ 819.986512][ C0]
[ 819.986514][ C0] asm_common_interrupt+0x26/0x40
[ 819.986516][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 819.986519][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 57 df fd 48 89 df e8 f9 a8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 ff d2 fd 65 8b 05 c9 01 06 02 85 c0 74 12 5b
[ 819.986521][ C0] RSP: 0018:ffa0000000cdfa70 EFLAGS: 00000246
[ 819.986524][ C0] RAX: 0000000000000082 RBX: ffffffff9838f520 RCX: ffffffff952ede73
[ 819.986525][ C0] RDX: ff1100001c050040 RSI: ffffffff95bb479f RDI: ffffffff9566ae80
[ 819.986526][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 819.986527][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9838f628
[ 819.986528][ C0] R13: 0000000000000001 R14: ffffffff9838f660 R15: ff11000008d26400
[ 819.986531][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 819.986536][ C0] uart_write+0x21d/0x940
[ 819.986540][ C0] process_output_block+0x117/0x6e0
[ 819.986546][ C0] n_tty_write+0x3a8/0x8f0
[ 819.986547][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 819.986553][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 819.986555][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 819.986558][ C0] ? __init_waitqueue_head+0x160/0x160
[ 819.986562][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 819.986564][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 819.986569][ C0] iterate_tty_write+0x27d/0x550
[ 819.986572][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 819.986575][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 819.986577][ C0] ? redirected_tty_write+0xd0/0xd0
[ 819.986579][ C0] new_sync_write+0x308/0x6f0
[ 819.986583][ C0] ? new_sync_read+0x3bb/0x6f0
[ 819.986586][ C0] ? new_sync_read+0x6f0/0x6f0
[ 819.986587][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 819.986591][ C0] ? __lock_release.isra.0+0x59/0x170
[ 819.986596][ C0] vfs_write+0x65e/0xbb0
[ 819.986599][ C0] ? vfs_read+0x3cc/0x790
[ 819.986603][ C0] ksys_write+0xff/0x200
[ 819.986605][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 819.986609][ C0] ? rcu_is_watching+0x15/0xd0
[ 819.986612][ C0] do_syscall_64+0xbd/0xfc0
[ 819.986615][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 819.986616][ C0] RIP: 0033:0x7f1e1995cc5e
[ 819.986619][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 819.986620][ C0] RSP: 002b:00007ffd587d33d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 819.986628][ C0] RAX: ffffffffffffffda RBX: 000056225d0693a0 RCX: 00007f1e1995cc5e
[ 819.986629][ C0] RDX: 0000000000000001 RSI: 000056225d0693a0 RDI: 0000000000000001
[ 819.986629][ C0] RBP: 00007ffd587d33e0 R08: 0000000000000000 R09: 0000000000000000
[ 819.986630][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 819.986631][ C0] R13: 000056225d02a010 R14: 0000000000000001 R15: 000056225d0693a0
[ 819.986637][ C0]
[ 819.986637][ C0] handlers:
[ 819.995778][ C0] [] serial8250_interrupt
[ 819.995994][ C0] Disabling IRQ #51