[ 919.345196][T10096] tc (10096) used greatest stack depth: 23040 bytes left
[ 974.069817][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 974.070207][ C3] CPU: 3 PID: 9795 Comm: perl Not tainted 6.9.0-rc6-virtme #1
[ 974.070438][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 974.070785][ C3] Call Trace:
[ 974.070904][ C3]
[ 974.070988][ C3] dump_stack_lvl+0x82/0xd0
[ 974.071158][ C3] __report_bad_irq+0x5f/0x180
[ 974.071322][ C3] note_interrupt+0x6b3/0x860
[ 974.071492][ C3] handle_irq_event+0x16d/0x1c0
[ 974.071653][ C3] handle_edge_irq+0x1fa/0xb60
[ 974.071847][ C3] __common_interrupt+0x7c/0x180
[ 974.072012][ C3] common_interrupt+0x7e/0x90
[ 974.072169][ C3]
[ 974.072256][ C3]
[ 974.072336][ C3] asm_common_interrupt+0x26/0x40
[ 974.072493][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 974.072693][ C3] Code: 10 e8 c1 7f 99 fd 48 89 ef e8 f9 ef 99 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 c7 ad 54 <74> 0e 5b 5d c3 cc cc cc cc e8 0f ea bc fd eb dc 0f 1f 44 00 00 5b
[ 974.073250][ C3] RSP: 0018:ffffc90000aafa80 EFLAGS: 00000286
[ 974.073448][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5ce9bb8
[ 974.073688][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffab5600d1
[ 974.073923][ C3] RBP: ffffffffaf02e220 R08: 0000000000000001 R09: fffffbfff5ce4cb0
[ 974.074181][ C3] R10: ffffffffae726587 R11: 0000000000000000 R12: 000000000000032c
[ 974.074419][ C3] R13: ffffffffaf02e328 R14: ffffffffaf02e220 R15: ffff8880043e0000
[ 974.074663][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 974.074866][ C3] uart_write+0x224/0x450
[ 974.074994][ C3] process_output_block+0x13e/0x790
[ 974.075146][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 974.075339][ C3] n_tty_write+0x412/0x7a0
[ 974.075503][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 974.075657][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 974.075806][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 974.075962][ C3] ? iterate_tty_write+0x95/0x540
[ 974.076116][ C3] ? lock_acquire+0x32/0xc0
[ 974.076272][ C3] ? iterate_tty_write+0x95/0x540
[ 974.076431][ C3] iterate_tty_write+0x228/0x540
[ 974.076591][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 974.076752][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 974.076911][ C3] ? find_held_lock+0x2c/0x110
[ 974.077063][ C3] vfs_write+0x9e5/0x10a0
[ 974.077181][ C3] ? __pfx___lock_release+0x10/0x10
[ 974.077336][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 974.077486][ C3] ? lock_acquire+0x32/0xc0
[ 974.077653][ C3] ? __pfx_vfs_write+0x10/0x10
[ 974.077814][ C3] ? __might_fault+0x11b/0x170
[ 974.077978][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 974.078169][ C3] ? __fget_light+0x53/0x1e0
[ 974.078347][ C3] ksys_write+0xf5/0x1e0
[ 974.078469][ C3] ? __pfx_ksys_write+0x10/0x10
[ 974.078634][ C3] do_syscall_64+0xc3/0x1d0
[ 974.078785][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 974.078984][ C3] RIP: 0033:0x7fd680304957
[ 974.079151][ 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
[ 974.079696][ C3] RSP: 002b:00007ffe3be350e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 974.079947][ C3] RAX: ffffffffffffffda RBX: 000055dbbb50d310 RCX: 00007fd680304957
[ 974.080195][ C3] RDX: 0000000000000001 RSI: 000055dbbb50d310 RDI: 0000000000000001
[ 974.080553][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 974.080794][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055dbbb4f95c0
[ 974.081039][ C3] R13: 000055dbbb4da2a0 R14: 0000000000000001 R15: 000055dbbb4f95c0
[ 974.081295][ C3]
[ 974.081419][ C3] handlers:
[ 974.081545][ C3] [] serial8250_interrupt
[ 974.081880][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr