[ 911.829435][ T3884] tc (3884) used greatest stack depth: 24056 bytes left
[ 947.940628][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 947.941035][ C3] CPU: 3 PID: 3662 Comm: perl Not tainted 6.9.0-rc5-virtme #1
[ 947.941339][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 947.941698][ C3] Call Trace:
[ 947.941826][ C3]
[ 947.941911][ C3] dump_stack_lvl+0x82/0xd0
[ 947.942092][ C3] __report_bad_irq+0x5f/0x180
[ 947.942264][ C3] note_interrupt+0x6b3/0x860
[ 947.942432][ C3] handle_irq_event+0x16d/0x1c0
[ 947.942595][ C3] handle_edge_irq+0x1fa/0xb60
[ 947.942768][ C3] __common_interrupt+0x7c/0x180
[ 947.942930][ C3] common_interrupt+0x7e/0x90
[ 947.943090][ C3]
[ 947.943561][ C3]
[ 947.943645][ C3] asm_common_interrupt+0x26/0x40
[ 947.943824][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 947.944041][ C3] Code: 10 e8 21 55 9a fd 48 89 ef e8 59 c5 9a 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 25 9c 0e 7a <74> 0e 5b 5d c3 cc cc cc cc e8 5f c1 bd fd eb dc 0f 1f 44 00 00 5b
[ 947.944592][ C3] RSP: 0018:ffffc9000105fa80 EFLAGS: 00000286
[ 947.944794][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1229186
[ 947.945034][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85f52bf1
[ 947.945272][ C3] RBP: ffffffff89a291e0 R08: 0000000000000001 R09: fffffbfff12242b0
[ 947.945518][ C3] R10: ffffffff89121587 R11: 0000000000000000 R12: 0000000000000408
[ 947.945765][ C3] R13: ffffffff89a292e8 R14: ffffffff89a291e0 R15: ffff8880049f0000
[ 947.946018][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 947.946230][ C3] uart_write+0x224/0x450
[ 947.946369][ C3] process_output_block+0x13e/0x790
[ 947.946543][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 947.946749][ C3] n_tty_write+0x412/0x7a0
[ 947.946916][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 947.947072][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 947.947242][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 947.947406][ C3] ? iterate_tty_write+0x95/0x540
[ 947.947571][ C3] ? lock_acquire+0x32/0xc0
[ 947.947735][ C3] ? iterate_tty_write+0x95/0x540
[ 947.947898][ C3] iterate_tty_write+0x228/0x540
[ 947.948068][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 947.948232][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 947.948398][ C3] vfs_write+0x9e5/0x10a0
[ 947.948520][ C3] ? __pfx___lock_release+0x10/0x10
[ 947.948687][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 947.948850][ C3] ? __pfx_vfs_write+0x10/0x10
[ 947.949010][ C3] ? clockevents_program_event+0xf6/0x300
[ 947.949172][ C3] ? ktime_get+0xb3/0x190
[ 947.949296][ C3] ? __fget_light+0x53/0x1e0
[ 947.949461][ C3] ksys_write+0xf5/0x1e0
[ 947.949585][ C3] ? __pfx_ksys_write+0x10/0x10
[ 947.949760][ C3] do_syscall_64+0xc3/0x1d0
[ 947.949923][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 947.950130][ C3] RIP: 0033:0x7f4fe5d1c957
[ 947.950293][ 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
[ 947.950853][ C3] RSP: 002b:00007ffd83a97e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 947.951109][ C3] RAX: ffffffffffffffda RBX: 00005566555331d0 RCX: 00007f4fe5d1c957
[ 947.951342][ C3] RDX: 0000000000000001 RSI: 00005566555331d0 RDI: 0000000000000001
[ 947.951575][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 947.951804][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055665551f5c0
[ 947.952039][ C3] R13: 00005566555002a0 R14: 0000000000000001 R15: 000055665551f5c0
[ 947.952290][ C3]
[ 947.952412][ C3] handlers:
[ 947.952533][ C3] [] serial8250_interrupt
[ 947.952900][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr