[ 471.005899][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 471.006276][ C3] CPU: 3 UID: 0 PID: 2378 Comm: perl Not tainted 6.11.0-virtme #1
[ 471.006511][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 471.006850][ C3] Call Trace:
[ 471.006970][ C3]
[ 471.007051][ C3] dump_stack_lvl+0x82/0xd0
[ 471.007222][ C3] __report_bad_irq+0x5f/0x180
[ 471.007378][ C3] note_interrupt+0x6b3/0x860
[ 471.007544][ C3] handle_irq_event+0x16d/0x1c0
[ 471.007706][ C3] handle_edge_irq+0x1fa/0xb60
[ 471.007865][ C3] __common_interrupt+0x82/0x170
[ 471.008020][ C3] common_interrupt+0x7e/0x90
[ 471.008176][ C3]
[ 471.008260][ C3]
[ 471.008344][ C3] asm_common_interrupt+0x26/0x40
[ 471.008497][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 471.008698][ C3] Code: 10 e8 01 1b 8d fd 48 89 ef e8 a9 8b 8d 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 35 47 61 5d <74> 0e 5b 5d c3 cc cc cc cc e8 7f 44 b1 fd eb dc 0f 1f 44 00 00 5b
[ 471.009236][ C3] RSP: 0018:ffffc900026ffab8 EFLAGS: 00000286
[ 471.009431][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4bb7e6b
[ 471.009664][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa2a27f61
[ 471.009893][ C3] RBP: ffffffffa66802a0 R08: 0000000000000001 R09: fffffbfff4bb2f18
[ 471.010129][ C3] R10: ffffffffa5d978c7 R11: 0000000000000000 R12: ffffffffa66803a8
[ 471.010358][ C3] R13: ffff8880055cc000 R14: ffffffffa66802a0 R15: 0000000000000286
[ 471.010594][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 471.010790][ C3] uart_write+0x13e/0x320
[ 471.010910][ C3] process_output_block+0x13e/0x790
[ 471.011069][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 471.011264][ C3] n_tty_write+0x412/0x7a0
[ 471.011421][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 471.011575][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 471.011733][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 471.011892][ C3] ? iterate_tty_write+0x95/0x540
[ 471.012045][ C3] ? lock_acquire+0x32/0xc0
[ 471.012199][ C3] ? iterate_tty_write+0x95/0x540
[ 471.012359][ C3] iterate_tty_write+0x228/0x540
[ 471.012518][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 471.012679][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 471.012839][ C3] vfs_write+0xa1b/0x10b0
[ 471.012962][ C3] ? __pfx___lock_release+0x10/0x10
[ 471.013114][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 471.013266][ C3] ? __might_fault+0xc3/0x170
[ 471.013422][ C3] ? lock_acquire+0x32/0xc0
[ 471.013572][ C3] ? __pfx_vfs_write+0x10/0x10
[ 471.013732][ C3] ? __might_fault+0x11b/0x170
[ 471.013887][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 471.014081][ C3] ? __fget_light+0x53/0x1e0
[ 471.014241][ C3] ksys_write+0xf5/0x1e0
[ 471.014362][ C3] ? __pfx_ksys_write+0x10/0x10
[ 471.014525][ C3] do_syscall_64+0xc1/0x1d0
[ 471.014681][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 471.014871][ C3] RIP: 0033:0x7f2d24f67957
[ 471.015042][ 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
[ 471.015567][ C3] RSP: 002b:00007fff58aa9288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 471.015806][ C3] RAX: ffffffffffffffda RBX: 0000556fb1f482b0 RCX: 00007f2d24f67957
[ 471.016037][ C3] RDX: 0000000000000001 RSI: 0000556fb1f482b0 RDI: 0000000000000001
[ 471.016268][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 471.016495][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556fb1f335e0
[ 471.016721][ C3] R13: 0000556fb1f142a0 R14: 0000000000000001 R15: 0000556fb1f335e0
[ 471.016967][ C3]
[ 471.017084][ C3] handlers:
[ 471.017203][ C3] [] serial8250_interrupt
[ 471.017524][ C3] Disabling IRQ #4