[ 1933.248270][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1933.248744][ C3] CPU: 3 UID: 0 PID: 12559 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[ 1933.249002][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1933.249363][ C3] Call Trace:
[ 1933.249488][ C3]
[ 1933.249573][ C3] dump_stack_lvl+0x82/0xd0
[ 1933.249740][ C3] __report_bad_irq+0x5f/0x180
[ 1933.249903][ C3] note_interrupt+0x6b3/0x860
[ 1933.250071][ C3] handle_irq_event+0x16d/0x1c0
[ 1933.250230][ C3] handle_edge_irq+0x1fa/0xb60
[ 1933.250392][ C3] __common_interrupt+0x82/0x170
[ 1933.250551][ C3] common_interrupt+0x81/0xa0
[ 1933.250717][ C3]
[ 1933.250802][ C3]
[ 1933.250885][ C3] asm_common_interrupt+0x26/0x40
[ 1933.251043][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1933.251261][ C3] Code: 10 e8 01 22 87 fd 48 89 ef e8 19 93 87 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 88 9a 79 <74> 0e 5b 5d c3 cc cc cc cc e8 9f 65 ac fd eb dc 0f 1f 44 00 00 5b
[ 1933.251858][ C3] RSP: 0018:ffffc90006f5faa0 EFLAGS: 00000286
[ 1933.252068][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff133ead8
[ 1933.252305][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff86693ec1
[ 1933.252548][ C3] RBP: ffffffff8a2b9460 R08: 0000000000000001 R09: fffffbfff1339bd0
[ 1933.252782][ C3] R10: ffffffff899cde87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1933.253282][ C3] R13: 0000000000000001 R14: ffffffff8a2b9568 R15: 00000000ffffffff
[ 1933.253526][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1933.253729][ C3] uart_write+0x220/0x920
[ 1933.253856][ C3] process_output_block+0x13e/0x790
[ 1933.254029][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1933.254235][ C3] n_tty_write+0x40c/0x790
[ 1933.254398][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1933.254582][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1933.254740][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1933.254900][ C3] ? iterate_tty_write+0x8f/0x540
[ 1933.255059][ C3] ? lock_acquire+0x32/0xc0
[ 1933.255218][ C3] ? iterate_tty_write+0x8f/0x540
[ 1933.255385][ C3] iterate_tty_write+0x222/0x540
[ 1933.255545][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1933.255708][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1933.255868][ C3] vfs_write+0xa81/0x11e0
[ 1933.255992][ C3] ? __pfx___lock_release+0x10/0x10
[ 1933.256146][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1933.256304][ C3] ? __might_fault+0xc3/0x170
[ 1933.256466][ C3] ? lock_acquire+0x32/0xc0
[ 1933.256624][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1933.256788][ C3] ? trace_rseq_update+0xe2/0x140
[ 1933.256953][ C3] ? __rseq_handle_notify_resume+0x288/0x3e0
[ 1933.257163][ C3] ksys_write+0xf5/0x1e0
[ 1933.257289][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1933.257456][ C3] do_syscall_64+0xc1/0x1d0
[ 1933.257617][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1933.257814][ C3] RIP: 0033:0x7f75b4a65957
[ 1933.257977][ 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
[ 1933.258563][ C3] RSP: 002b:00007fff12d772f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1933.258803][ C3] RAX: ffffffffffffffda RBX: 00005650eb07c3f0 RCX: 00007f75b4a65957
[ 1933.259036][ C3] RDX: 0000000000000001 RSI: 00005650eb07c3f0 RDI: 0000000000000001
[ 1933.259267][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1933.259501][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005650eb0675e0
[ 1933.259733][ C3] R13: 00005650eb0482a0 R14: 0000000000000001 R15: 00005650eb0675e0
[ 1933.259980][ C3]
[ 1933.260101][ C3] handlers:
[ 1933.260219][ C3] [] serial8250_interrupt
[ 1933.260691][ C3] Disabling IRQ #4