[ 989.555468][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 989.555863][ C3] CPU: 3 PID: 3397 Comm: perl Not tainted 6.9.0-virtme #1
[ 989.556066][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 989.556417][ C3] Call Trace:
[ 989.556548][ C3]
[ 989.556642][ C3] dump_stack_lvl+0x82/0xd0
[ 989.556831][ C3] __report_bad_irq+0x5f/0x180
[ 989.557012][ C3] note_interrupt+0x6b3/0x860
[ 989.557180][ C3] handle_irq_event+0x16d/0x1c0
[ 989.557347][ C3] handle_edge_irq+0x1fa/0xb60
[ 989.557513][ C3] __common_interrupt+0x82/0x170
[ 989.557674][ C3] common_interrupt+0x7e/0x90
[ 989.557831][ C3]
[ 989.557914][ C3]
[ 989.557997][ C3] asm_common_interrupt+0x26/0x40
[ 989.558164][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 989.558373][ C3] Code: 10 e8 11 b1 93 fd 48 89 ef e8 89 21 94 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 85 11 08 6b <74> 0e 5b 5d c3 cc cc cc cc e8 2f 91 b7 fd eb dc 0f 1f 44 00 00 5b
[ 989.558981][ C3] RSP: 0018:ffffc900009ffac0 EFLAGS: 00000286
[ 989.559193][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff302f14c
[ 989.559429][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff94fbb691
[ 989.559669][ C3] RBP: ffffffff98a3a020 R08: 0000000000000001 R09: fffffbfff302a2a8
[ 989.559922][ C3] R10: ffffffff98151547 R11: 0000000000000000 R12: 0000000000000001
[ 989.560153][ C3] R13: 0000000000000282 R14: ffffffff98a3a020 R15: ffff88800610d000
[ 989.560414][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 989.560625][ C3] uart_write+0x13d/0x330
[ 989.560757][ C3] process_output_block+0x13e/0x790
[ 989.560919][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 989.561120][ C3] n_tty_write+0x412/0x7a0
[ 989.561278][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 989.561432][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 989.561593][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 989.561756][ C3] ? iterate_tty_write+0x95/0x540
[ 989.561934][ C3] ? lock_acquire+0x32/0xc0
[ 989.562099][ C3] ? iterate_tty_write+0x95/0x540
[ 989.562260][ C3] iterate_tty_write+0x228/0x540
[ 989.562442][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 989.562603][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 989.562766][ C3] vfs_write+0xa18/0x10b0
[ 989.562894][ C3] ? __pfx___lock_release+0x10/0x10
[ 989.563050][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 989.563204][ C3] ? __might_fault+0xc3/0x170
[ 989.563372][ C3] ? lock_acquire+0x32/0xc0
[ 989.563549][ C3] ? __pfx_vfs_write+0x10/0x10
[ 989.563727][ C3] ? __might_fault+0x11b/0x170
[ 989.563892][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 989.564105][ C3] ? __fget_light+0x53/0x1e0
[ 989.564280][ C3] ksys_write+0xf5/0x1e0
[ 989.564415][ C3] ? __pfx_ksys_write+0x10/0x10
[ 989.564598][ C3] do_syscall_64+0xc1/0x1d0
[ 989.564755][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 989.564964][ C3] RIP: 0033:0x7f244e99c957
[ 989.565144][ 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
[ 989.565819][ C3] RSP: 002b:00007ffdb6bd9548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 989.566056][ C3] RAX: ffffffffffffffda RBX: 00005581610841d0 RCX: 00007f244e99c957
[ 989.566279][ C3] RDX: 0000000000000001 RSI: 00005581610841d0 RDI: 0000000000000001
[ 989.566505][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 989.566745][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005581610705c0
[ 989.566977][ C3] R13: 00005581610512a0 R14: 0000000000000001 R15: 00005581610705c0
[ 989.567218][ C3]
[ 989.567341][ C3] handlers:
[ 989.567465][ C3] [] serial8250_interrupt
[ 989.567790][ C3] Disabling IRQ #4