[ 1023.477377][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1023.477784][ C0] CPU: 0 UID: 0 PID: 6520 Comm: perl Not tainted 6.13.0-rc1-virtme #1 [ 1023.478077][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1023.478299][ C0] Call Trace: [ 1023.478447][ C0] [ 1023.478551][ C0] dump_stack_lvl+0x82/0xd0 [ 1023.478736][ C0] __report_bad_irq+0x5f/0x180 [ 1023.478914][ C0] note_interrupt+0x66d/0x7f0 [ 1023.479110][ C0] handle_irq_event+0x16d/0x1c0 [ 1023.479281][ C0] handle_edge_irq+0x1fa/0xb60 [ 1023.479462][ C0] __common_interrupt+0x82/0x170 [ 1023.479633][ C0] common_interrupt+0x81/0xa0 [ 1023.479806][ C0] [ 1023.479897][ C0] [ 1023.479986][ C0] asm_common_interrupt+0x26/0x40 [ 1023.480154][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1023.480379][ C0] Code: 10 e8 e1 03 8c fd 48 89 ef e8 99 78 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 a5 05 94 57 <74> 0e 5b 5d c3 cc cc cc cc e8 3f d0 b1 fd eb dc 0f 1f 44 00 00 5b [ 1023.480968][ C0] RSP: 0018:ffffc90004ea7aa0 EFLAGS: 00000286 [ 1023.481188][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff57441b2 [ 1023.481449][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa86fbf71 [ 1023.481710][ C0] RBP: ffffffffac2e7800 R08: 0000000000000001 R09: fffffbfff573f7ef [ 1023.481965][ C0] R10: ffffffffab9fbf7f R11: ffff88801a5845c0 R12: 00000000ffffffff [ 1023.482244][ C0] R13: 0000000000000001 R14: ffffffffac2e7908 R15: 00000000ffffffff [ 1023.482522][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1023.482751][ C0] uart_write+0x220/0x920 [ 1023.482886][ C0] process_output_block+0x13e/0x790 [ 1023.483057][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1023.483279][ C0] n_tty_write+0x40c/0x790 [ 1023.483460][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1023.483631][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1023.483802][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1023.483981][ C0] ? lock_acquire+0x32/0xc0 [ 1023.484152][ C0] ? iterate_tty_write+0x8f/0x540 [ 1023.484355][ C0] iterate_tty_write+0x222/0x540 [ 1023.484528][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1023.484703][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1023.484877][ C0] vfs_write+0xa81/0x11e0 [ 1023.485006][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1023.485176][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1023.485360][ C0] ? clockevents_program_event+0xf6/0x300 [ 1023.485541][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1023.485755][ C0] ksys_write+0xf8/0x1d0 [ 1023.485884][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1023.486070][ C0] do_syscall_64+0xc1/0x1d0 [ 1023.486243][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1023.486453][ C0] RIP: 0033:0x7f0ffb836b77 [ 1023.486636][ 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 [ 1023.487219][ C0] RSP: 002b:00007ffce8feffc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1023.487480][ C0] RAX: ffffffffffffffda RBX: 000055cc243893f0 RCX: 00007f0ffb836b77 [ 1023.487734][ C0] RDX: 0000000000000001 RSI: 000055cc243893f0 RDI: 0000000000000001 [ 1023.488013][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1023.488264][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cc243745e0 [ 1023.488514][ C0] R13: 000055cc243552a0 R14: 0000000000000001 R15: 000055cc243745e0 [ 1023.488781][ C0] [ 1023.488911][ C0] handlers: [ 1023.489046][ C0] [] serial8250_interrupt [ 1023.489422][ C0] Disabling IRQ #51