[ 1489.563943][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1489.564506][ C0] CPU: 0 UID: 0 PID: 11797 Comm: perl Not tainted 6.17.0-rc6-virtme #1 PREEMPT(full) [ 1489.564511][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1489.564513][ C0] Call Trace: [ 1489.564515][ C0] [ 1489.564518][ C0] dump_stack_lvl+0x82/0xc0 [ 1489.564528][ C0] __report_bad_irq+0x5f/0x1b0 [ 1489.564536][ C0] note_interrupt+0x661/0x7e0 [ 1489.564544][ C0] handle_irq_event+0x165/0x1c0 [ 1489.564549][ C0] handle_edge_irq+0x324/0x880 [ 1489.564558][ C0] __common_interrupt+0xa4/0x230 [ 1489.564565][ C0] common_interrupt+0xb9/0xe0 [ 1489.564571][ C0] [ 1489.564572][ C0] [ 1489.564576][ C0] asm_common_interrupt+0x26/0x40 [ 1489.564580][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70 [ 1489.564586][ C0] Code: 74 24 10 e8 11 af 02 fe 48 89 ef e8 39 fe 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 9a 31 f7 fd 65 8b 05 e3 9f 0a 02 85 c0 74 0a 5b 5d c3 e8 97 b1 [ 1489.564589][ C0] RSP: 0018:ffffc90001397a98 EFLAGS: 00000206 [ 1489.564593][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1489.564595][ C0] RDX: 0000000000000000 RSI: ffffffffb73c6b73 RDI: 0000000000000001 [ 1489.564597][ C0] RBP: ffffffffb9c4c400 R08: 0000000000000001 R09: 0000000000000001 [ 1489.564599][ C0] R10: ffffffffb8214117 R11: ffff8880057c0970 R12: 00000000ffffffff [ 1489.564601][ C0] R13: 0000000000000001 R14: ffffffffb9c4c508 R15: 00000000ffffffff [ 1489.564617][ C0] uart_write+0x220/0x920 [ 1489.564626][ C0] process_output_block+0x142/0x7b0 [ 1489.564632][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 1489.564641][ C0] n_tty_write+0x426/0x7c0 [ 1489.564644][ C0] ? _copy_from_iter+0x1d1/0x1340 [ 1489.564654][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 1489.564660][ C0] ? __init_waitqueue_head+0x150/0x150 [ 1489.564666][ C0] ? lock_acquire+0x104/0x160 [ 1489.564669][ C0] ? iterate_tty_write+0x91/0x530 [ 1489.564680][ C0] iterate_tty_write+0x220/0x530 [ 1489.564687][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1489.564694][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1489.564702][ C0] vfs_write+0xaae/0x12c0 [ 1489.564708][ C0] ? find_held_lock+0x2b/0x80 [ 1489.564713][ C0] ? kernel_write+0x6b0/0x6b0 [ 1489.564721][ C0] ? clockevents_program_event+0xf3/0x2f0 [ 1489.564732][ C0] ? clockevents_program_event+0x1e4/0x2f0 [ 1489.564739][ C0] ksys_write+0xf7/0x1d0 [ 1489.564743][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 1489.564754][ C0] do_syscall_64+0xc1/0x300 [ 1489.564759][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1489.564762][ C0] RIP: 0033:0x7fba14de6337 [ 1489.564767][ 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 [ 1489.564769][ C0] RSP: 002b:00007fff6b078858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1489.564772][ C0] RAX: ffffffffffffffda RBX: 00005631e95f12e0 RCX: 00007fba14de6337 [ 1489.564773][ C0] RDX: 0000000000000001 RSI: 00005631e95f12e0 RDI: 0000000000000001 [ 1489.564775][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1489.564776][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005631e95dc600 [ 1489.564778][ C0] R13: 00005631e95bd2a0 R14: 0000000000000001 R15: 00005631e95dc600 [ 1489.564792][ C0] [ 1489.564793][ C0] handlers: [ 1489.580804][ C0] [] serial8250_interrupt [ 1489.581522][ C0] Disabling IRQ #51