[ 1013.399475][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1013.399937][ C0] CPU: 0 UID: 0 PID: 11976 Comm: perl Not tainted 6.13.0-rc3-virtme #1 [ 1013.400236][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1013.400486][ C0] Call Trace: [ 1013.400646][ C0] [ 1013.400754][ C0] dump_stack_lvl+0x82/0xd0 [ 1013.400973][ C0] __report_bad_irq+0x5f/0x180 [ 1013.401189][ C0] note_interrupt+0x66d/0x7f0 [ 1013.401394][ C0] handle_irq_event+0x16d/0x1c0 [ 1013.401612][ C0] handle_edge_irq+0x1fa/0xb60 [ 1013.401817][ C0] __common_interrupt+0x82/0x170 [ 1013.402017][ C0] common_interrupt+0x81/0xa0 [ 1013.402217][ C0] [ 1013.402322][ C0] [ 1013.402423][ C0] asm_common_interrupt+0x26/0x40 [ 1013.402617][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1013.402872][ C0] Code: 10 e8 61 fb 8b fd 48 89 ef e8 19 70 8c 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 55 f5 73 79 <74> 0e 5b 5d c3 cc cc cc cc e8 0f b8 b1 fd eb dc 0f 1f 44 00 00 5b [ 1013.403554][ C0] RSP: 0018:ffffc90000ff7aa0 EFLAGS: 00000286 [ 1013.403804][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1384999 [ 1013.404095][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff868fcfc1 [ 1013.404393][ C0] RBP: ffffffff8a4eb800 R08: 0000000000000001 R09: fffffbfff137ffef [ 1013.404687][ C0] R10: ffffffff89bfff7f R11: ffff888013bd2300 R12: 00000000ffffffff [ 1013.404978][ C0] R13: 0000000000000001 R14: ffffffff8a4eb908 R15: 00000000ffffffff [ 1013.405280][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1013.405531][ C0] uart_write+0x220/0x920 [ 1013.405695][ C0] process_output_block+0x13e/0x790 [ 1013.405891][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1013.406135][ C0] n_tty_write+0x40c/0x790 [ 1013.406334][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1013.406529][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1013.406724][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1013.406922][ C0] ? lock_acquire+0x32/0xc0 [ 1013.407120][ C0] ? iterate_tty_write+0x8f/0x540 [ 1013.407326][ C0] iterate_tty_write+0x222/0x540 [ 1013.407524][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1013.407724][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1013.407920][ C0] vfs_write+0xa81/0x11e0 [ 1013.408071][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1013.408267][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1013.408474][ C0] ? clockevents_program_event+0xf6/0x300 [ 1013.408678][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1013.408923][ C0] ksys_write+0xf8/0x1d0 [ 1013.409072][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1013.409276][ C0] do_syscall_64+0xc1/0x1d0 [ 1013.409474][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1013.409715][ C0] RIP: 0033:0x7f96b98d1b77 [ 1013.409912][ C0] 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 [ 1013.410592][ C0] RSP: 002b:00007fffbdbeca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1013.410889][ C0] RAX: ffffffffffffffda RBX: 0000561a14f62330 RCX: 00007f96b98d1b77 [ 1013.411181][ C0] RDX: 0000000000000001 RSI: 0000561a14f62330 RDI: 0000000000000001 [ 1013.411465][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1013.411759][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561a14f4d5e0 [ 1013.412048][ C0] R13: 0000561a14f2e2a0 R14: 0000000000000001 R15: 0000561a14f4d5e0 [ 1013.412350][ C0] [ 1013.412502][ C0] handlers: [ 1013.412650][ C0] [] serial8250_interrupt [ 1013.413316][ C0] Disabling IRQ #51