[ 1024.557839][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1024.558250][ C0] CPU: 0 UID: 0 PID: 5052 Comm: perl Not tainted 6.13.0-virtme #1 [ 1024.558256][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1024.558258][ C0] Call Trace: [ 1024.558260][ C0] [ 1024.558263][ C0] dump_stack_lvl+0x82/0xd0 [ 1024.558275][ C0] __report_bad_irq+0x5f/0x180 [ 1024.558284][ C0] note_interrupt+0x66d/0x7f0 [ 1024.558293][ C0] handle_irq_event+0x16d/0x1c0 [ 1024.558299][ C0] handle_edge_irq+0x1fa/0xb60 [ 1024.558309][ C0] __common_interrupt+0x82/0x170 [ 1024.558315][ C0] common_interrupt+0x81/0xa0 [ 1024.558320][ C0] [ 1024.558322][ C0] [ 1024.558325][ C0] asm_common_interrupt+0x26/0x40 [ 1024.558330][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1024.558334][ C0] Code: 10 e8 81 94 88 fd 48 89 ef e8 c9 04 89 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 75 ad b0 58 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 23 ae fd eb dc 0f 1f 44 00 00 5b [ 1024.558337][ C0] RSP: 0018:ffffc90001827aa0 EFLAGS: 00000286 [ 1024.558341][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff54c87f9 [ 1024.558344][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa7531761 [ 1024.558345][ C0] RBP: ffffffffaaf0ab20 R08: 0000000000000001 R09: fffffbfff54c3deb [ 1024.558347][ C0] R10: ffffffffaa61ef5f R11: ffff8880107c2300 R12: 00000000ffffffff [ 1024.558349][ C0] R13: 0000000000000001 R14: ffffffffaaf0ac28 R15: 00000000ffffffff [ 1024.558360][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1024.558369][ C0] uart_write+0x220/0x920 [ 1024.558380][ C0] process_output_block+0x13e/0x790 [ 1024.558387][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1024.558396][ C0] n_tty_write+0x40c/0x790 [ 1024.558407][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1024.558412][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1024.558417][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1024.558423][ C0] ? lock_acquire+0x32/0xc0 [ 1024.558426][ C0] ? iterate_tty_write+0x8f/0x540 [ 1024.558436][ C0] iterate_tty_write+0x222/0x540 [ 1024.558442][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1024.558452][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1024.558460][ C0] vfs_write+0xa87/0x11e0 [ 1024.558467][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1024.558474][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1024.558480][ C0] ? clockevents_program_event+0xf6/0x300 [ 1024.558495][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1024.558503][ C0] ksys_write+0xf8/0x1d0 [ 1024.558508][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1024.558522][ C0] do_syscall_64+0xc1/0x1d0 [ 1024.558527][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1024.558530][ C0] RIP: 0033:0x7fddb07e1b77 [ 1024.558535][ 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 [ 1024.558537][ C0] RSP: 002b:00007ffc71ec8ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1024.558540][ C0] RAX: ffffffffffffffda RBX: 0000563d3ea353f0 RCX: 00007fddb07e1b77 [ 1024.558542][ C0] RDX: 0000000000000001 RSI: 0000563d3ea353f0 RDI: 0000000000000001 [ 1024.558543][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1024.558545][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563d3ea205e0 [ 1024.558546][ C0] R13: 0000563d3ea012a0 R14: 0000000000000001 R15: 0000563d3ea205e0 [ 1024.558562][ C0] [ 1024.558563][ C0] handlers: [ 1024.569350][ C0] [] serial8250_interrupt [ 1024.569730][ C0] Disabling IRQ #51