[ 1577.562078][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1577.562466][ C3] CPU: 3 PID: 10215 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[ 1577.562775][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1577.563189][ C3] Call Trace:
[ 1577.563327][ C3]
[ 1577.563424][ C3] dump_stack_lvl+0x64/0xb0
[ 1577.563618][ C3] __report_bad_irq+0x5f/0x180
[ 1577.563797][ C3] note_interrupt+0x6b3/0x860
[ 1577.563980][ C3] handle_irq_event+0x16d/0x1c0
[ 1577.564169][ C3] handle_edge_irq+0x1fa/0xb60
[ 1577.564347][ C3] __common_interrupt+0x7c/0x180
[ 1577.564524][ C3] common_interrupt+0x7e/0x90
[ 1577.564696][ C3]
[ 1577.564792][ C3]
[ 1577.564888][ C3] asm_common_interrupt+0x26/0x40
[ 1577.565067][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1577.565301][ C3] Code: 10 e8 d1 81 a3 fd 48 89 ef e8 f9 ed a3 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 f5 13 d9 57 <74> 0e 5b 5d c3 cc cc cc cc e8 1f aa c5 fd eb dc 0f 1f 44 00 00 5b
[ 1577.565905][ C3] RSP: 0018:ffffc90002a8fa88 EFLAGS: 00000286
[ 1577.566119][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff56998ea
[ 1577.566377][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa82a9ee1
[ 1577.566628][ C3] RBP: ffffffffabdaabe0 R08: 0000000000000001 R09: fffffbfff5694a78
[ 1577.566885][ C3] R10: ffffffffab4a53c7 R11: 0000000000000000 R12: 000000000000075c
[ 1577.567146][ C3] R13: ffffffffabdaace8 R14: ffffffffabdaabe0 R15: ffff888002580000
[ 1577.567406][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1577.567625][ C3] uart_write+0x220/0x440
[ 1577.567768][ C3] process_output_block+0x13e/0x790
[ 1577.567966][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1577.568178][ C3] n_tty_write+0x414/0x7a0
[ 1577.568351][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1577.568524][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1577.568717][ C3] ? lock_acquire+0x1c1/0x220
[ 1577.568896][ C3] ? iterate_tty_write+0x95/0x540
[ 1577.569077][ C3] iterate_tty_write+0x229/0x540
[ 1577.569257][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1577.569433][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1577.569609][ C3] vfs_write+0x9e9/0x10a0
[ 1577.569740][ C3] ? lock_acquire+0x1c1/0x220
[ 1577.569909][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1577.570073][ C3] ? __might_fault+0xc6/0x180
[ 1577.570251][ C3] ? kvm_clock_get_cycles+0x18/0x30
[ 1577.570423][ C3] ? __fget_light+0x54/0x1e0
[ 1577.570595][ C3] ksys_write+0xf5/0x1e0
[ 1577.570721][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1577.570897][ C3] do_syscall_64+0xc9/0x1e0
[ 1577.571061][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 1577.571282][ C3] RIP: 0033:0x7f851ac7c957
[ 1577.571451][ 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
[ 1577.572033][ C3] RSP: 002b:00007fff198b96b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1577.572288][ C3] RAX: ffffffffffffffda RBX: 0000559a897cf1b0 RCX: 00007f851ac7c957
[ 1577.572545][ C3] RDX: 0000000000000001 RSI: 0000559a897cf1b0 RDI: 0000000000000001
[ 1577.572793][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1577.573040][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000559a897bb590
[ 1577.573286][ C3] R13: 0000559a8979c2a0 R14: 0000000000000001 R15: 0000559a897bb590
[ 1577.573545][ C3]
[ 1577.573671][ C3] handlers:
[ 1577.573805][ C3] [] serial8250_interrupt
[ 1577.574211][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr