[ 1663.574849][ T8689] tc (8689) used greatest stack depth: 22976 bytes left
[ 1697.757499][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1697.757963][ C3] CPU: 3 PID: 8472 Comm: perl Not tainted 6.8.0-virtme #1
[ 1697.758183][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1697.758580][ C3] Call Trace:
[ 1697.758719][ C3]
[ 1697.758813][ C3] dump_stack_lvl+0x64/0xb0
[ 1697.759013][ C3] __report_bad_irq+0x5f/0x180
[ 1697.759188][ C3] note_interrupt+0x6b3/0x860
[ 1697.759362][ C3] handle_irq_event+0x16d/0x1c0
[ 1697.759536][ C3] handle_edge_irq+0x1fa/0xb60
[ 1697.759719][ C3] __common_interrupt+0x7c/0x180
[ 1697.759897][ C3] common_interrupt+0x7e/0x90
[ 1697.760081][ C3]
[ 1697.760170][ C3]
[ 1697.760258][ C3] asm_common_interrupt+0x26/0x40
[ 1697.760439][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1697.760697][ C3] Code: 10 e8 31 9f a0 fd 48 89 ef e8 59 0b a1 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 15 8a 35 79 <74> 0e 5b 5d c3 cc cc cc cc e8 af cc c3 fd eb dc 0f 1f 44 00 00 5b
[ 1697.761301][ C3] RSP: 0018:ffffc90000f6fa80 EFLAGS: 00000286
[ 1697.761526][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff13dcb86
[ 1697.761791][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff86ce3a81
[ 1697.762064][ C3] RBP: ffffffff8a7c3f60 R08: 0000000000000001 R09: fffffbfff13d7cb0
[ 1697.762333][ C3] R10: ffffffff89ebe587 R11: 0000000000000000 R12: 0000000000000eb4
[ 1697.762594][ C3] R13: ffffffff8a7c4068 R14: ffffffff8a7c3f60 R15: ffff888004890000
[ 1697.762859][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1697.763096][ C3] uart_write+0x224/0x450
[ 1697.763236][ C3] process_output_block+0x13e/0x790
[ 1697.763414][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1697.763630][ C3] n_tty_write+0x412/0x7a0
[ 1697.763817][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1697.763989][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1697.764167][ C3] ? lock_acquire+0x1c1/0x220
[ 1697.764338][ C3] ? iterate_tty_write+0x95/0x540
[ 1697.764523][ C3] iterate_tty_write+0x228/0x540
[ 1697.764698][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1697.764878][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1697.765053][ C3] vfs_write+0x9e5/0x10a0
[ 1697.765202][ C3] ? lock_acquire+0x1c1/0x220
[ 1697.765381][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1697.765548][ C3] ? __might_fault+0xc3/0x170
[ 1697.765736][ C3] ? __fget_light+0x53/0x1e0
[ 1697.765923][ C3] ksys_write+0xf5/0x1e0
[ 1697.766058][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1697.766244][ C3] do_syscall_64+0xc6/0x1e0
[ 1697.766419][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1697.766633][ C3] RIP: 0033:0x7f8716a5b957
[ 1697.766810][ 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
[ 1697.767420][ C3] RSP: 002b:00007ffef7ade518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1697.767689][ C3] RAX: ffffffffffffffda RBX: 00005568b46a7070 RCX: 00007f8716a5b957
[ 1697.767949][ C3] RDX: 0000000000000001 RSI: 00005568b46a7070 RDI: 0000000000000001
[ 1697.768216][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1697.768518][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005568b4693590
[ 1697.768777][ C3] R13: 00005568b46742a0 R14: 0000000000000001 R15: 00005568b4693590
[ 1697.769042][ C3]
[ 1697.769174][ C3] handlers:
[ 1697.769316][ C3] [] serial8250_interrupt
[ 1697.770184][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr