[ 1515.710020][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1515.710622][ C0] CPU: 0 UID: 0 PID: 11804 Comm: perl Not tainted 6.18.0-rc1-virtme #1 PREEMPT(full) [ 1515.710627][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1515.710630][ C0] Call Trace: [ 1515.710633][ C0] [ 1515.710635][ C0] dump_stack_lvl+0x82/0xc0 [ 1515.710651][ C0] __report_bad_irq+0x5f/0x1b0 [ 1515.710660][ C0] note_interrupt+0x661/0x7e0 [ 1515.710668][ C0] handle_irq_event+0x165/0x1c0 [ 1515.710676][ C0] handle_edge_irq+0x324/0x880 [ 1515.710686][ C0] __common_interrupt+0xa4/0x230 [ 1515.710696][ C0] common_interrupt+0xb9/0xe0 [ 1515.710700][ C0] [ 1515.710702][ C0] [ 1515.710705][ C0] asm_common_interrupt+0x26/0x40 [ 1515.710711][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70 [ 1515.710718][ C0] Code: 74 24 10 e8 81 fe ff fd 48 89 ef e8 a9 4d 00 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 8a 84 f4 fd 65 8b 05 43 3e 08 02 85 c0 74 0a 5b 5d c3 e8 b7 11 [ 1515.710721][ C0] RSP: 0018:ffffc90001367a88 EFLAGS: 00000206 [ 1515.710725][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1515.710727][ C0] RDX: 0000000000000000 RSI: ffffffffb0f85849 RDI: 0000000000000001 [ 1515.710729][ C0] RBP: ffffffffb386b520 R08: 0000000000000001 R09: 0000000000000001 [ 1515.710731][ C0] R10: ffffffffb1e23057 R11: ffff888005f20970 R12: 00000000ffffffff [ 1515.710733][ C0] R13: 0000000000000001 R14: ffffffffb386b628 R15: 00000000ffffffff [ 1515.710750][ C0] uart_write+0x220/0x920 [ 1515.710763][ C0] process_output_block+0x142/0x7b0 [ 1515.710770][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 1515.710778][ C0] n_tty_write+0x423/0x7c0 [ 1515.710781][ C0] ? _copy_from_iter+0x1d1/0x1340 [ 1515.710794][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 1515.710800][ C0] ? __init_waitqueue_head+0x150/0x150 [ 1515.710808][ C0] ? lock_acquire+0x104/0x160 [ 1515.710813][ C0] ? iterate_tty_write+0x91/0x530 [ 1515.710823][ C0] iterate_tty_write+0x220/0x530 [ 1515.710829][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1515.710837][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1515.710844][ C0] vfs_write+0xaae/0x12c0 [ 1515.710854][ C0] ? kernel_write+0x6b0/0x6b0 [ 1515.710860][ C0] ? rcu_is_watching+0x12/0xb0 [ 1515.710868][ C0] ? trace_rseq_update+0xce/0x130 [ 1515.710878][ C0] ? __rseq_handle_notify_resume+0x2a7/0x400 [ 1515.710888][ C0] ksys_write+0xf7/0x1d0 [ 1515.710892][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 1515.710904][ C0] do_syscall_64+0xc1/0xfd0 [ 1515.710910][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1515.710913][ C0] RIP: 0033:0x7fd7c6c78257 [ 1515.710918][ C0] Code: 0f 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 [ 1515.710920][ C0] RSP: 002b:00007fff7fdf14c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1515.710923][ C0] RAX: ffffffffffffffda RBX: 0000562bc6fab2e0 RCX: 00007fd7c6c78257 [ 1515.710925][ C0] RDX: 0000000000000001 RSI: 0000562bc6fab2e0 RDI: 0000000000000001 [ 1515.710926][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1515.710928][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562bc6f96600 [ 1515.710929][ C0] R13: 0000562bc6f772a0 R14: 0000000000000001 R15: 0000562bc6f96600 [ 1515.710945][ C0] [ 1515.710947][ C0] handlers: [ 1515.728031][ C0] [] serial8250_interrupt [ 1515.728947][ C0] Disabling IRQ #51