[ 1039.058471][ T7949] tc (7949) used greatest stack depth: 23688 bytes left
[ 1045.419558][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1045.420294][    C0] CPU: 0 UID: 0 PID: 7588 Comm: perl Not tainted 6.15.0-rc6-virtme #1 PREEMPT(full) 
[ 1045.420300][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1045.420303][    C0] Call Trace:
[ 1045.420305][    C0]  <IRQ>
[ 1045.420308][    C0]  dump_stack_lvl+0x82/0xd0
[ 1045.420318][    C0]  __report_bad_irq+0x5f/0x180
[ 1045.420329][    C0]  note_interrupt+0x665/0x7e0
[ 1045.420337][    C0]  handle_irq_event+0x16d/0x1c0
[ 1045.420343][    C0]  handle_edge_irq+0x211/0xb70
[ 1045.420353][    C0]  __common_interrupt+0xad/0x1d0
[ 1045.420360][    C0]  common_interrupt+0xb9/0xe0
[ 1045.420366][    C0]  </IRQ>
[ 1045.420368][    C0]  <TASK>
[ 1045.420371][    C0]  asm_common_interrupt+0x26/0x40
[ 1045.420376][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80
[ 1045.420381][    C0] Code: 74 24 10 e8 11 24 7f fd 48 89 ef e8 89 76 7f fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> aa 7e 73 fd 65 8b 05 63 98 95 02 85 c0 74 0e 5b 5d e9 c8 34 00
[ 1045.420385][    C0] RSP: 0018:ffffc90006727aa0 EFLAGS: 00000206
[ 1045.420389][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 1045.420391][    C0] RDX: 0000000000000000 RSI: ffffffff96c9ac1d RDI: 0000000000000001
[ 1045.420393][    C0] RBP: ffffffff99b98d80 R08: 0000000000000001 R09: 0000000000000001
[ 1045.420396][    C0] R10: ffffffff97bf2b97 R11: ffff888005c78970 R12: 00000000ffffffff
[ 1045.420398][    C0] R13: 0000000000000001 R14: ffffffff99b98e88 R15: 00000000ffffffff
[ 1045.420414][    C0]  uart_write+0x220/0x920
[ 1045.420425][    C0]  process_output_block+0x148/0x7b0
[ 1045.420431][    C0]  ? _raw_spin_unlock_irqrestore+0x5d/0x80
[ 1045.420438][    C0]  n_tty_write+0x419/0x7b0
[ 1045.420448][    C0]  ? __pfx_n_tty_write+0x10/0x10
[ 1045.420454][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[ 1045.420461][    C0]  ? lock_acquire+0x10c/0x170
[ 1045.420465][    C0]  ? iterate_tty_write+0x8f/0x530
[ 1045.420475][    C0]  iterate_tty_write+0x21e/0x530
[ 1045.420483][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1045.420491][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[ 1045.420499][    C0]  vfs_write+0xab5/0x1210
[ 1045.420508][    C0]  ? find_held_lock+0x2b/0x80
[ 1045.420512][    C0]  ? __pfx_vfs_write+0x10/0x10
[ 1045.420521][    C0]  ? clockevents_program_event+0xf6/0x300
[ 1045.420533][    C0]  ? clockevents_program_event+0x1ea/0x300
[ 1045.420541][    C0]  ksys_write+0xf7/0x1d0
[ 1045.420547][    C0]  ? __pfx_ksys_write+0x10/0x10
[ 1045.420559][    C0]  do_syscall_64+0xc1/0x1d0
[ 1045.420565][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1045.420568][    C0] RIP: 0033:0x7fd0eed2bb77
[ 1045.420573][    C0] 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
[ 1045.420575][    C0] RSP: 002b:00007ffff934d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1045.420578][    C0] RAX: ffffffffffffffda RBX: 000055fc67be63f0 RCX: 00007fd0eed2bb77
[ 1045.420580][    C0] RDX: 0000000000000001 RSI: 000055fc67be63f0 RDI: 0000000000000001
[ 1045.420582][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1045.420583][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fc67bd15e0
[ 1045.420585][    C0] R13: 000055fc67bb22a0 R14: 0000000000000001 R15: 000055fc67bd15e0
[ 1045.420600][    C0]  </TASK>
[ 1045.420601][    C0] handlers:
[ 1045.438249][    C0] [<ffffffff94acc9c0>] serial8250_interrupt
[ 1045.439289][    C0] Disabling IRQ #51