[  932.234575][T10128] tc (10128) used greatest stack depth: 24096 bytes left
[  946.550429][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[  946.550855][    C3] CPU: 3 PID: 9906 Comm: perl Not tainted 6.10.0-rc2-virtme #1
[  946.551142][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  946.551560][    C3] Call Trace:
[  946.551704][    C3]  <IRQ>
[  946.551806][    C3]  dump_stack_lvl+0x82/0xd0
[  946.552020][    C3]  __report_bad_irq+0x5f/0x180
[  946.552210][    C3]  note_interrupt+0x6b3/0x860
[  946.552402][    C3]  handle_irq_event+0x16d/0x1c0
[  946.552585][    C3]  handle_edge_irq+0x1fa/0xb60
[  946.552780][    C3]  __common_interrupt+0x82/0x170
[  946.552967][    C3]  common_interrupt+0x7e/0x90
[  946.553160][    C3]  </IRQ>
[  946.553259][    C3]  <TASK>
[  946.553352][    C3]  asm_common_interrupt+0x26/0x40
[  946.553540][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  946.553795][    C3] Code: 10 e8 a1 6e 92 fd 48 89 ef e8 19 df 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 c5 ce 26 68 <74> 0e 5b 5d c3 cc cc cc cc e8 2f 50 b6 fd eb dc 0f 1f 44 00 00 5b
[  946.554429][    C3] RSP: 0018:ffffc9000163fac0 EFLAGS: 00000286
[  946.554670][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff35f034c
[  946.554942][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97dcf991
[  946.555215][    C3] RBP: ffffffff9b843020 R08: 0000000000000001 R09: fffffbfff35eb4a8
[  946.555503][    C3] R10: ffffffff9af5a547 R11: 0000000000000000 R12: 0000000000000001
[  946.555772][    C3] R13: 0000000000000282 R14: ffffffff9b843020 R15: ffff888005ba6800
[  946.556056][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  946.556299][    C3]  uart_write+0x13d/0x330
[  946.556445][    C3]  process_output_block+0x13e/0x790
[  946.556631][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  946.556865][    C3]  n_tty_write+0x412/0x7a0
[  946.557055][    C3]  ? __pfx_n_tty_write+0x10/0x10
[  946.557237][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  946.557419][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[  946.557604][    C3]  ? iterate_tty_write+0x95/0x540
[  946.557785][    C3]  ? lock_acquire+0x32/0xc0
[  946.557968][    C3]  ? iterate_tty_write+0x95/0x540
[  946.558163][    C3]  iterate_tty_write+0x228/0x540
[  946.558346][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[  946.558531][    C3]  file_tty_write.constprop.0+0x1db/0x370
[  946.558722][    C3]  vfs_write+0xa18/0x10b0
[  946.558870][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  946.559064][    C3]  ? __pfx_vfs_write+0x10/0x10
[  946.559271][    C3]  ? clockevents_program_event+0xf6/0x300
[  946.559470][    C3]  ? __fget_light+0x53/0x1e0
[  946.559689][    C3]  ? clockevents_program_event+0x1ea/0x300
[  946.559918][    C3]  ksys_write+0xf5/0x1e0
[  946.560063][    C3]  ? __pfx_ksys_write+0x10/0x10
[  946.560260][    C3]  do_syscall_64+0xc1/0x1d0
[  946.560433][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  946.560644][    C3] RIP: 0033:0x7f0dd2960957
[  946.560815][    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
[  946.561397][    C3] RSP: 002b:00007ffd224f6108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  946.561660][    C3] RAX: ffffffffffffffda RBX: 000055cf068021d0 RCX: 00007f0dd2960957
[  946.561915][    C3] RDX: 0000000000000001 RSI: 000055cf068021d0 RDI: 0000000000000001
[  946.562165][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  946.562419][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cf067ee5c0
[  946.562676][    C3] R13: 000055cf067cf2a0 R14: 0000000000000001 R15: 000055cf067ee5c0
[  946.562933][    C3]  </TASK>
[  946.563061][    C3] handlers:
[  946.563188][    C3] [<ffffffff966f5770>] serial8250_interrupt
[  946.563935][    C3] Disabling IRQ #4