[ 1030.455207][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1030.455614][ C0] CPU: 0 UID: 0 PID: 13162 Comm: perl Not tainted 6.12.0-rc6-virtme #1 [ 1030.455933][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1030.456178][ C0] Call Trace: [ 1030.456315][ C0] <IRQ> [ 1030.456410][ C0] dump_stack_lvl+0x82/0xd0 [ 1030.456653][ C0] __report_bad_irq+0x5f/0x180 [ 1030.456834][ C0] note_interrupt+0x6b3/0x860 [ 1030.457014][ C0] handle_irq_event+0x16d/0x1c0 [ 1030.457190][ C0] handle_edge_irq+0x1fa/0xb60 [ 1030.457383][ C0] __common_interrupt+0x82/0x170 [ 1030.457567][ C0] common_interrupt+0x81/0xa0 [ 1030.457752][ C0] </IRQ> [ 1030.457846][ C0] <TASK> [ 1030.457935][ C0] asm_common_interrupt+0x26/0x40 [ 1030.458110][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1030.458348][ C0] Code: 10 e8 51 53 86 fd 48 89 ef e8 b9 c5 86 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 65 9c 19 4d <74> 0e 5b 5d c3 cc cc cc cc e8 1f ac ab fd eb dc 0f 1f 44 00 00 5b [ 1030.458949][ C0] RSP: 0018:ffffc90002ff7aa0 EFLAGS: 00000286 [ 1030.459173][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff6c410fc [ 1030.459428][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2ea2a71 [ 1030.459686][ C0] RBP: ffffffffb6acf4a0 R08: 0000000000000001 R09: fffffbfff6c3c7cf [ 1030.459943][ C0] R10: ffffffffb61e3e7f R11: ffff888010d72300 R12: 00000000ffffffff [ 1030.460195][ C0] R13: 0000000000000001 R14: ffffffffb6acf5a8 R15: 00000000ffffffff [ 1030.460453][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1030.460681][ C0] uart_write+0x220/0x920 [ 1030.460827][ C0] process_output_block+0x13e/0x790 [ 1030.460996][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1030.461206][ C0] n_tty_write+0x40c/0x790 [ 1030.461384][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1030.461553][ C0] ? trace_lock_acquire+0x14d/0x1f0 [ 1030.461724][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1030.461894][ C0] ? iterate_tty_write+0x8f/0x540 [ 1030.462068][ C0] ? lock_acquire+0x32/0xc0 [ 1030.462243][ C0] ? iterate_tty_write+0x8f/0x540 [ 1030.462419][ C0] iterate_tty_write+0x222/0x540 [ 1030.462602][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1030.462793][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1030.462967][ C0] vfs_write+0xa81/0x11e0 [ 1030.463100][ C0] ? __pfx___lock_release+0x10/0x10 [ 1030.463267][ C0] ? trace_lock_acquire+0x14d/0x1f0 [ 1030.463433][ C0] ? __might_fault+0xc3/0x170 [ 1030.463611][ C0] ? lock_acquire+0x32/0xc0 [ 1030.463784][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1030.463960][ C0] ? trace_rseq_update+0xe2/0x140 [ 1030.464136][ C0] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 1030.464357][ C0] ksys_write+0xf5/0x1e0 [ 1030.464486][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1030.464661][ C0] do_syscall_64+0xc1/0x1d0 [ 1030.464837][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1030.465050][ C0] RIP: 0033:0x7fcdb219d957 [ 1030.465233][ 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 [ 1030.465808][ C0] RSP: 002b:00007ffff3b3ee38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1030.466063][ C0] RAX: ffffffffffffffda RBX: 00005648b99a82b0 RCX: 00007fcdb219d957 [ 1030.466321][ C0] RDX: 0000000000000001 RSI: 00005648b99a82b0 RDI: 0000000000000001 [ 1030.466571][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1030.466815][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005648b99935e0 [ 1030.467062][ C0] R13: 00005648b99742a0 R14: 0000000000000001 R15: 00005648b99935e0 [ 1030.467325][ C0] </TASK> [ 1030.467454][ C0] handlers: [ 1030.467600][ C0] [<ffffffffb1776650>] serial8250_interrupt [ 1030.468011][ C0] Disabling IRQ #51