[ 1255.317507][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1255.318131][ C0] CPU: 0 UID: 0 PID: 6080 Comm: perl Not tainted 6.14.0-virtme #1 PREEMPT(full) [ 1255.318137][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1255.318140][ C0] Call Trace: [ 1255.318142][ C0] [ 1255.318145][ C0] dump_stack_lvl+0x82/0xd0 [ 1255.318156][ C0] __report_bad_irq+0x5f/0x180 [ 1255.318165][ C0] note_interrupt+0x665/0x7e0 [ 1255.318173][ C0] handle_irq_event+0x16d/0x1c0 [ 1255.318179][ C0] handle_edge_irq+0x211/0xb70 [ 1255.318190][ C0] __common_interrupt+0xad/0x1d0 [ 1255.318197][ C0] common_interrupt+0xb9/0xe0 [ 1255.318203][ C0] [ 1255.318205][ C0] [ 1255.318208][ C0] asm_common_interrupt+0x26/0x40 [ 1255.318212][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 1255.318217][ C0] Code: 74 24 10 e8 c1 ed 80 fd 48 89 ef e8 39 40 81 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 fa 47 75 fd 65 8b 05 63 c8 96 02 85 c0 74 0e 5b 5d c3 cc cc cc [ 1255.318220][ C0] RSP: 0018:ffffc900010f7aa0 EFLAGS: 00000206 [ 1255.318224][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040 [ 1255.318226][ C0] RDX: 0000000000000000 RSI: ffffffff88c96727 RDI: 0000000000000001 [ 1255.318228][ C0] RBP: ffffffff8bb8dd60 R08: 0000000000000001 R09: 0000000000000001 [ 1255.318230][ C0] R10: ffffffff89bee097 R11: ffff888006290970 R12: 00000000ffffffff [ 1255.318232][ C0] R13: 0000000000000001 R14: ffffffff8bb8de68 R15: 00000000ffffffff [ 1255.318248][ C0] uart_write+0x220/0x920 [ 1255.318260][ C0] process_output_block+0x145/0x7b0 [ 1255.318265][ C0] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1255.318272][ C0] n_tty_write+0x419/0x7b0 [ 1255.318283][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1255.318289][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1255.318297][ C0] ? lock_acquire+0x10c/0x170 [ 1255.318301][ C0] ? iterate_tty_write+0x8f/0x530 [ 1255.318312][ C0] iterate_tty_write+0x21e/0x530 [ 1255.318319][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1255.318327][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1255.318335][ C0] vfs_write+0xab5/0x1210 [ 1255.318343][ C0] ? find_held_lock+0x2b/0x80 [ 1255.318348][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1255.318356][ C0] ? clockevents_program_event+0xf6/0x300 [ 1255.318368][ C0] ? rcu_is_watching+0x12/0xc0 [ 1255.318376][ C0] ksys_write+0xf7/0x1d0 [ 1255.318381][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1255.318393][ C0] do_syscall_64+0xc1/0x1d0 [ 1255.318399][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1255.318402][ C0] RIP: 0033:0x7fef61946b77 [ 1255.318406][ 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 [ 1255.318408][ C0] RSP: 002b:00007ffdd9097838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1255.318411][ C0] RAX: ffffffffffffffda RBX: 000055f4943722b0 RCX: 00007fef61946b77 [ 1255.318413][ C0] RDX: 0000000000000001 RSI: 000055f4943722b0 RDI: 0000000000000001 [ 1255.318415][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1255.318416][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f49435d5e0 [ 1255.318418][ C0] R13: 000055f49433e2a0 R14: 0000000000000001 R15: 000055f49435d5e0 [ 1255.318432][ C0] [ 1255.318433][ C0] handlers: [ 1255.335151][ C0] [] serial8250_interrupt [ 1255.335921][ C0] Disabling IRQ #51