[ 1382.597376][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1382.597743][ C0] CPU: 0 UID: 0 PID: 8966 Comm: perl Not tainted 6.13.0-rc3-virtme #1 [ 1382.598014][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1382.598231][ C0] Call Trace: [ 1382.598369][ C0] [ 1382.598460][ C0] dump_stack_lvl+0x82/0xd0 [ 1382.598641][ C0] __report_bad_irq+0x5f/0x180 [ 1382.598815][ C0] note_interrupt+0x66d/0x7f0 [ 1382.599005][ C0] handle_irq_event+0x16d/0x1c0 [ 1382.599179][ C0] handle_edge_irq+0x1fa/0xb60 [ 1382.599352][ C0] __common_interrupt+0x82/0x170 [ 1382.599519][ C0] common_interrupt+0x81/0xa0 [ 1382.599697][ C0] [ 1382.599791][ C0] [ 1382.599880][ C0] asm_common_interrupt+0x26/0x40 [ 1382.600048][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1382.600264][ C0] Code: 10 e8 61 fb 8b fd 48 89 ef e8 19 70 8c 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 55 f5 73 65 <74> 0e 5b 5d c3 cc cc cc cc e8 0f b8 b1 fd eb dc 0f 1f 44 00 00 5b [ 1382.600852][ C0] RSP: 0018:ffffc90000867aa0 EFLAGS: 00000286 [ 1382.601065][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff3b84967 [ 1382.601316][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a8fcfc1 [ 1382.601576][ C0] RBP: ffffffff9e4eb800 R08: 0000000000000001 R09: fffffbfff3b7ffef [ 1382.601869][ C0] R10: ffffffff9dbfff7f R11: ffff8880119e2300 R12: 00000000ffffffff [ 1382.602281][ C0] R13: 0000000000000001 R14: ffffffff9e4eb908 R15: 00000000ffffffff [ 1382.602632][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1382.602862][ C0] uart_write+0x220/0x920 [ 1382.602998][ C0] process_output_block+0x13e/0x790 [ 1382.603167][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1382.603376][ C0] n_tty_write+0x40c/0x790 [ 1382.603549][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1382.603715][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1382.603879][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1382.604055][ C0] ? lock_acquire+0x32/0xc0 [ 1382.604224][ C0] ? iterate_tty_write+0x8f/0x540 [ 1382.604399][ C0] iterate_tty_write+0x222/0x540 [ 1382.604573][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1382.604743][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1382.604916][ C0] vfs_write+0xa81/0x11e0 [ 1382.605046][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1382.605224][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1382.605400][ C0] ? clockevents_program_event+0xf6/0x300 [ 1382.605582][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1382.605791][ C0] ksys_write+0xf8/0x1d0 [ 1382.605918][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1382.606091][ C0] do_syscall_64+0xc1/0x1d0 [ 1382.606260][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1382.606463][ C0] RIP: 0033:0x7f13a43dcb77 [ 1382.606637][ 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 [ 1382.607208][ C0] RSP: 002b:00007ffcf17f2688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1382.607460][ C0] RAX: ffffffffffffffda RBX: 000055c3e20d32b0 RCX: 00007f13a43dcb77 [ 1382.607714][ C0] RDX: 0000000000000001 RSI: 000055c3e20d32b0 RDI: 0000000000000001 [ 1382.607957][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1382.608202][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c3e20be5e0 [ 1382.608445][ C0] R13: 000055c3e209f2a0 R14: 0000000000000001 R15: 000055c3e20be5e0 [ 1382.608708][ C0] [ 1382.608833][ C0] handlers: [ 1382.608959][ C0] [] serial8250_interrupt [ 1382.609601][ C0] Disabling IRQ #51