[ 802.756803][ T9137] tc (9137) used greatest stack depth: 23712 bytes left
[ 859.161138][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 859.161520][ C3] CPU: 3 PID: 8896 Comm: perl Not tainted 6.8.0-virtme #1
[ 859.161727][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 859.162073][ C3] Call Trace:
[ 859.162195][ C3]
[ 859.162279][ C3] dump_stack_lvl+0x82/0xd0
[ 859.162462][ C3] __report_bad_irq+0x5f/0x180
[ 859.162634][ C3] note_interrupt+0x6b3/0x860
[ 859.162796][ C3] handle_irq_event+0x16d/0x1c0
[ 859.162955][ C3] handle_edge_irq+0x1fa/0xb60
[ 859.163120][ C3] __common_interrupt+0x7c/0x180
[ 859.163277][ C3] common_interrupt+0x7e/0x90
[ 859.163433][ C3]
[ 859.163520][ C3]
[ 859.163605][ C3] asm_common_interrupt+0x26/0x40
[ 859.163768][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 859.163980][ C3] Code: 10 e8 81 77 9b fd 48 89 ef e8 b9 e7 9b 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 ea ef 58 <74> 0e 5b 5d c3 cc cc cc cc e8 df e0 be fd eb dc 0f 1f 44 00 00 5b
[ 859.164530][ C3] RSP: 0018:ffffc90000a6fa80 EFLAGS: 00000286
[ 859.164728][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff54680f0
[ 859.164958][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa713da71
[ 859.165193][ C3] RBP: ffffffffaac211a0 R08: 0000000000000001 R09: fffffbfff54632b0
[ 859.165427][ C3] R10: ffffffffaa319587 R11: 0000000000000000 R12: 0000000000000891
[ 859.165658][ C3] R13: ffffffffaac212a8 R14: ffffffffaac211a0 R15: ffff888004a60000
[ 859.165894][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 859.166103][ C3] uart_write+0x224/0x450
[ 859.166240][ C3] process_output_block+0x13e/0x790
[ 859.166408][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 859.166606][ C3] n_tty_write+0x412/0x7a0
[ 859.166773][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 859.166929][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 859.167090][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 859.167251][ C3] ? iterate_tty_write+0x95/0x540
[ 859.167411][ C3] ? lock_acquire+0x32/0xc0
[ 859.167566][ C3] ? iterate_tty_write+0x95/0x540
[ 859.167737][ C3] iterate_tty_write+0x228/0x540
[ 859.167895][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 859.168052][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 859.168215][ C3] vfs_write+0x9e5/0x10a0
[ 859.168332][ C3] ? __pfx___lock_release+0x10/0x10
[ 859.168492][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 859.168653][ C3] ? __pfx_vfs_write+0x10/0x10
[ 859.168813][ C3] ? clockevents_program_event+0xf6/0x300
[ 859.168971][ C3] ? ktime_get+0xb3/0x190
[ 859.169091][ C3] ? __fget_light+0x53/0x1e0
[ 859.169251][ C3] ? clockevents_program_event+0x1ea/0x300
[ 859.169448][ C3] ksys_write+0xf5/0x1e0
[ 859.169567][ C3] ? __pfx_ksys_write+0x10/0x10
[ 859.169736][ C3] do_syscall_64+0xc6/0x1e0
[ 859.169907][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 859.170100][ C3] RIP: 0033:0x7f0c37258957
[ 859.170262][ 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
[ 859.170822][ C3] RSP: 002b:00007fff5bef8bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 859.171061][ C3] RAX: ffffffffffffffda RBX: 00005646a6a041b0 RCX: 00007f0c37258957
[ 859.171293][ C3] RDX: 0000000000000001 RSI: 00005646a6a041b0 RDI: 0000000000000001
[ 859.171525][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 859.171750][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005646a69f0590
[ 859.171974][ C3] R13: 00005646a69d12a0 R14: 0000000000000001 R15: 00005646a69f0590
[ 859.172208][ C3]
[ 859.172324][ C3] handlers:
[ 859.172444][ C3] [] serial8250_interrupt
[ 859.172788][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr