[ 1053.374846][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1053.375257][ C0] CPU: 0 UID: 0 PID: 9295 Comm: perl Not tainted 6.13.0-virtme #1 [ 1053.375263][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1053.375265][ C0] Call Trace: [ 1053.375267][ C0] [ 1053.375269][ C0] dump_stack_lvl+0x82/0xd0 [ 1053.375281][ C0] __report_bad_irq+0x5f/0x180 [ 1053.375290][ C0] note_interrupt+0x66d/0x7f0 [ 1053.375298][ C0] handle_irq_event+0x16d/0x1c0 [ 1053.375304][ C0] handle_edge_irq+0x1fa/0xb60 [ 1053.375314][ C0] __common_interrupt+0x82/0x170 [ 1053.375321][ C0] common_interrupt+0x81/0xa0 [ 1053.375326][ C0] [ 1053.375327][ C0] [ 1053.375330][ C0] asm_common_interrupt+0x26/0x40 [ 1053.375335][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1053.375339][ C0] Code: 10 e8 81 64 88 fd 48 89 ef e8 c9 d4 88 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 7d 70 74 <74> 0e 5b 5d c3 cc cc cc cc e8 8f f3 ad fd eb dc 0f 1f 44 00 00 5b [ 1053.375342][ C0] RSP: 0018:ffffc90002e57aa0 EFLAGS: 00000286 [ 1053.375345][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1d487f9 [ 1053.375348][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8b934761 [ 1053.375349][ C0] RBP: ffffffff8f30ab20 R08: 0000000000000001 R09: fffffbfff1d43deb [ 1053.375351][ C0] R10: ffffffff8ea1ef5f R11: ffff888011b12300 R12: 00000000ffffffff [ 1053.375353][ C0] R13: 0000000000000001 R14: ffffffff8f30ac28 R15: 00000000ffffffff [ 1053.375364][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1053.375372][ C0] uart_write+0x220/0x920 [ 1053.375383][ C0] process_output_block+0x13e/0x790 [ 1053.375390][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1053.375398][ C0] n_tty_write+0x40c/0x790 [ 1053.375409][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1053.375414][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1053.375419][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1053.375425][ C0] ? lock_acquire+0x32/0xc0 [ 1053.375427][ C0] ? iterate_tty_write+0x8f/0x540 [ 1053.375438][ C0] iterate_tty_write+0x222/0x540 [ 1053.375444][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1053.375452][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1053.375459][ C0] vfs_write+0xa87/0x11e0 [ 1053.375466][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1053.375472][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1053.375479][ C0] ? clockevents_program_event+0xf6/0x300 [ 1053.375500][ C0] ksys_write+0xf8/0x1d0 [ 1053.375505][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1053.375518][ C0] do_syscall_64+0xc1/0x1d0 [ 1053.375524][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1053.375527][ C0] RIP: 0033:0x7fccae7a6b77 [ 1053.375532][ 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 [ 1053.375534][ C0] RSP: 002b:00007ffeb80994d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1053.375537][ C0] RAX: ffffffffffffffda RBX: 0000560a43fac2b0 RCX: 00007fccae7a6b77 [ 1053.375539][ C0] RDX: 0000000000000001 RSI: 0000560a43fac2b0 RDI: 0000000000000001 [ 1053.375540][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1053.375542][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560a43f975e0 [ 1053.375543][ C0] R13: 0000560a43f782a0 R14: 0000000000000001 R15: 0000560a43f975e0 [ 1053.375559][ C0] [ 1053.375560][ C0] handlers: [ 1053.387186][ C0] [] serial8250_interrupt [ 1053.387564][ C0] Disabling IRQ #51