[ 954.496775][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 954.497131][ C3] CPU: 3 UID: 0 PID: 5393 Comm: perl Not tainted 6.10.0-virtme #1
[ 954.497367][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 954.497717][ C3] Call Trace:
[ 954.497845][ C3]
[ 954.497930][ C3] dump_stack_lvl+0x82/0xd0
[ 954.498106][ C3] __report_bad_irq+0x5f/0x180
[ 954.498267][ C3] note_interrupt+0x6b3/0x860
[ 954.498427][ C3] handle_irq_event+0x16d/0x1c0
[ 954.498585][ C3] handle_edge_irq+0x1fa/0xb60
[ 954.498744][ C3] __common_interrupt+0x82/0x170
[ 954.498911][ C3] common_interrupt+0x7e/0x90
[ 954.499076][ C3]
[ 954.499164][ C3]
[ 954.499252][ C3] asm_common_interrupt+0x26/0x40
[ 954.499410][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 954.499612][ C3] Code: 10 e8 11 b9 8d fd 48 89 ef e8 b9 29 8e 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 00 82 4f <74> 0e 5b 5d c3 cc cc cc cc e8 df f6 b1 fd eb dc 0f 1f 44 00 00 5b
[ 954.500197][ C3] RSP: 0018:ffffc900015efab8 EFLAGS: 00000286
[ 954.500408][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6777610
[ 954.500660][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb081c8c1
[ 954.500909][ C3] RBP: ffffffffb447c320 R08: 0000000000000001 R09: fffffbfff6772708
[ 954.501143][ C3] R10: ffffffffb3b93847 R11: 0000000000000000 R12: ffffffffb447c428
[ 954.501381][ C3] R13: ffff8880026c1000 R14: ffffffffb447c320 R15: 0000000000000282
[ 954.501628][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 954.501833][ C3] uart_write+0x13e/0x320
[ 954.501960][ C3] process_output_block+0x13e/0x790
[ 954.502123][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 954.502317][ C3] n_tty_write+0x412/0x7a0
[ 954.502476][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 954.502630][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 954.502799][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 954.502965][ C3] ? iterate_tty_write+0x95/0x540
[ 954.503126][ C3] ? lock_acquire+0x32/0xc0
[ 954.503278][ C3] ? iterate_tty_write+0x95/0x540
[ 954.503445][ C3] iterate_tty_write+0x228/0x540
[ 954.503604][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 954.503768][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 954.503933][ C3] vfs_write+0xa1b/0x10b0
[ 954.504068][ C3] ? __pfx___lock_release+0x10/0x10
[ 954.504220][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 954.504371][ C3] ? __might_fault+0xc3/0x170
[ 954.504528][ C3] ? lock_acquire+0x32/0xc0
[ 954.504681][ C3] ? __pfx_vfs_write+0x10/0x10
[ 954.504853][ C3] ? __might_fault+0x11b/0x170
[ 954.505009][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 954.505210][ C3] ? __fget_light+0x53/0x1e0
[ 954.505377][ C3] ksys_write+0xf5/0x1e0
[ 954.505504][ C3] ? __pfx_ksys_write+0x10/0x10
[ 954.505680][ C3] do_syscall_64+0xc1/0x1d0
[ 954.505849][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 954.506040][ C3] RIP: 0033:0x7f9b462f5957
[ 954.506204][ 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
[ 954.506733][ C3] RSP: 002b:00007fff7e0d1ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 954.506980][ C3] RAX: ffffffffffffffda RBX: 000055b04cfae310 RCX: 00007f9b462f5957
[ 954.507205][ C3] RDX: 0000000000000001 RSI: 000055b04cfae310 RDI: 0000000000000001
[ 954.507448][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 954.507672][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b04cf9a5c0
[ 954.507903][ C3] R13: 000055b04cf7b2a0 R14: 0000000000000001 R15: 000055b04cf9a5c0
[ 954.508148][ C3]
[ 954.508266][ C3] handlers:
[ 954.508384][ C3] [] serial8250_interrupt
[ 954.508763][ C3] Disabling IRQ #4