[ 1273.672652][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1273.673006][ C3] CPU: 3 UID: 0 PID: 4857 Comm: perl Not tainted 6.11.0-virtme #1
[ 1273.673244][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1273.673596][ C3] Call Trace:
[ 1273.673730][ C3]
[ 1273.673820][ C3] dump_stack_lvl+0x82/0xd0
[ 1273.673989][ C3] __report_bad_irq+0x5f/0x180
[ 1273.674152][ C3] note_interrupt+0x6b3/0x860
[ 1273.674324][ C3] handle_irq_event+0x16d/0x1c0
[ 1273.674487][ C3] handle_edge_irq+0x1fa/0xb60
[ 1273.674647][ C3] __common_interrupt+0x82/0x170
[ 1273.674809][ C3] common_interrupt+0x81/0xa0
[ 1273.674968][ C3]
[ 1273.675055][ C3]
[ 1273.675137][ C3] asm_common_interrupt+0x26/0x40
[ 1273.675293][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1273.675496][ C3] Code: 10 e8 01 ea 87 fd 48 89 ef e8 b9 5a 88 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 cc fb 49 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 3f ad fd eb dc 0f 1f 44 00 00 5b
[ 1273.676038][ C3] RSP: 0018:ffffc90000aefaa0 EFLAGS: 00000286
[ 1273.676240][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff727e0f1
[ 1273.676492][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb607fd01
[ 1273.676721][ C3] RBP: ffffffffb9cb43e0 R08: 0000000000000001 R09: fffffbfff72791d0
[ 1273.676957][ C3] R10: ffffffffb93c8e87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1273.677200][ C3] R13: 0000000000000001 R14: ffffffffb9cb44e8 R15: 00000000ffffffff
[ 1273.677444][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1273.677650][ C3] uart_write+0x220/0x920
[ 1273.677777][ C3] process_output_block+0x13e/0x790
[ 1273.677933][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1273.678130][ C3] n_tty_write+0x40c/0x790
[ 1273.678297][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1273.678456][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1273.678613][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1273.678771][ C3] ? iterate_tty_write+0x8f/0x540
[ 1273.678925][ C3] ? lock_acquire+0x32/0xc0
[ 1273.679081][ C3] ? iterate_tty_write+0x8f/0x540
[ 1273.679246][ C3] iterate_tty_write+0x222/0x540
[ 1273.679406][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1273.679564][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1273.679724][ C3] vfs_write+0xa77/0x11d0
[ 1273.679842][ C3] ? __pfx___lock_release+0x10/0x10
[ 1273.679993][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1273.680147][ C3] ? __might_fault+0xc3/0x170
[ 1273.680303][ C3] ? lock_acquire+0x32/0xc0
[ 1273.680460][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1273.680620][ C3] ? __might_fault+0x11b/0x170
[ 1273.680782][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 1273.680981][ C3] ksys_write+0xf5/0x1e0
[ 1273.681112][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1273.681277][ C3] do_syscall_64+0xc1/0x1d0
[ 1273.681438][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1273.681633][ C3] RIP: 0033:0x7f13e4029957
[ 1273.681796][ 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
[ 1273.682348][ C3] RSP: 002b:00007ffc34b183f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1273.682598][ C3] RAX: ffffffffffffffda RBX: 000055fd94ec53f0 RCX: 00007f13e4029957
[ 1273.682831][ C3] RDX: 0000000000000001 RSI: 000055fd94ec53f0 RDI: 0000000000000001
[ 1273.683059][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1273.683294][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fd94eb05e0
[ 1273.683528][ C3] R13: 000055fd94e912a0 R14: 0000000000000001 R15: 000055fd94eb05e0
[ 1273.683778][ C3]
[ 1273.683893][ C3] handlers:
[ 1273.684037][ C3] [] serial8250_interrupt
[ 1273.684376][ C3] Disabling IRQ #4