[ 1524.630000][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1524.630649][ C0] CPU: 0 UID: 0 PID: 11798 Comm: perl Not tainted 6.17.0-rc7-virtme #1 PREEMPT(full) [ 1524.630656][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1524.630658][ C0] Call Trace: [ 1524.630660][ C0] [ 1524.630662][ C0] dump_stack_lvl+0x82/0xc0 [ 1524.630672][ C0] __report_bad_irq+0x5f/0x1b0 [ 1524.630680][ C0] note_interrupt+0x661/0x7e0 [ 1524.630688][ C0] handle_irq_event+0x165/0x1c0 [ 1524.630693][ C0] handle_edge_irq+0x324/0x880 [ 1524.630703][ C0] __common_interrupt+0xa4/0x230 [ 1524.630710][ C0] common_interrupt+0xb9/0xe0 [ 1524.630715][ C0] [ 1524.630716][ C0] [ 1524.630720][ C0] asm_common_interrupt+0x26/0x40 [ 1524.630723][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70 [ 1524.630730][ C0] Code: 74 24 10 e8 01 90 02 fe 48 89 ef e8 29 df 02 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 12 f7 fd 65 8b 05 e3 9f 0a 02 85 c0 74 0a 5b 5d c3 e8 87 92 [ 1524.630733][ C0] RSP: 0018:ffffc9000139fa98 EFLAGS: 00000206 [ 1524.630737][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040 [ 1524.630739][ C0] RDX: 0000000000000000 RSI: ffffffffa09c6a8b RDI: 0000000000000001 [ 1524.630741][ C0] RBP: ffffffffa324e3c0 R08: 0000000000000001 R09: 0000000000000001 [ 1524.630743][ C0] R10: ffffffffa1814117 R11: ffff888005f20970 R12: 00000000ffffffff [ 1524.630745][ C0] R13: 0000000000000001 R14: ffffffffa324e4c8 R15: 00000000ffffffff [ 1524.630761][ C0] uart_write+0x220/0x920 [ 1524.630771][ C0] process_output_block+0x142/0x7b0 [ 1524.630777][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 1524.630784][ C0] n_tty_write+0x426/0x7c0 [ 1524.630787][ C0] ? _copy_from_iter+0x1d1/0x1340 [ 1524.630798][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 1524.630803][ C0] ? __init_waitqueue_head+0x150/0x150 [ 1524.630810][ C0] ? lock_acquire+0x104/0x160 [ 1524.630813][ C0] ? iterate_tty_write+0x91/0x530 [ 1524.630824][ C0] iterate_tty_write+0x220/0x530 [ 1524.630831][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1524.630840][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1524.630848][ C0] vfs_write+0xaae/0x12c0 [ 1524.630855][ C0] ? find_held_lock+0x2b/0x80 [ 1524.630860][ C0] ? kernel_write+0x6b0/0x6b0 [ 1524.630868][ C0] ? clockevents_program_event+0xf3/0x2f0 [ 1524.630879][ C0] ? clockevents_program_event+0x1e4/0x2f0 [ 1524.630886][ C0] ksys_write+0xf7/0x1d0 [ 1524.630890][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 1524.630901][ C0] do_syscall_64+0xc1/0x300 [ 1524.630906][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1524.630909][ C0] RIP: 0033:0x7ff5bdd43257 [ 1524.630914][ 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 [ 1524.630916][ C0] RSP: 002b:00007ffe42767868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1524.630918][ C0] RAX: ffffffffffffffda RBX: 00005599b8746420 RCX: 00007ff5bdd43257 [ 1524.630920][ C0] RDX: 0000000000000001 RSI: 00005599b8746420 RDI: 0000000000000001 [ 1524.630922][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1524.630923][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005599b8731600 [ 1524.630925][ C0] R13: 00005599b87122a0 R14: 0000000000000001 R15: 00005599b8731600 [ 1524.630939][ C0] [ 1524.630940][ C0] handlers: [ 1524.647899][ C0] [] serial8250_interrupt [ 1524.648761][ C0] Disabling IRQ #51