[ 1012.273104][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1012.273547][ C0] CPU: 0 UID: 0 PID: 9292 Comm: perl Not tainted 6.13.0-rc6-virtme #1 [ 1012.273821][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1012.274049][ C0] Call Trace: [ 1012.274185][ C0] [ 1012.274278][ C0] dump_stack_lvl+0x82/0xd0 [ 1012.274472][ C0] __report_bad_irq+0x5f/0x180 [ 1012.274721][ C0] note_interrupt+0x66d/0x7f0 [ 1012.274892][ C0] handle_irq_event+0x16d/0x1c0 [ 1012.275062][ C0] handle_edge_irq+0x1fa/0xb60 [ 1012.275236][ C0] __common_interrupt+0x82/0x170 [ 1012.275408][ C0] common_interrupt+0x81/0xa0 [ 1012.275576][ C0] [ 1012.275665][ C0] [ 1012.275752][ C0] asm_common_interrupt+0x26/0x40 [ 1012.275922][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1012.276148][ C0] Code: 10 e8 31 ca 8b fd 48 89 ef e8 f9 3e 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 b3 f3 75 <74> 0e 5b 5d c3 cc cc cc cc e8 df 87 b1 fd eb dc 0f 1f 44 00 00 5b [ 1012.276731][ C0] RSP: 0018:ffffc90002cf7aa0 EFLAGS: 00000286 [ 1012.276946][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1a84f80 [ 1012.277205][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8a101181 [ 1012.277458][ C0] RBP: ffffffff8dcee800 R08: 0000000000000001 R09: fffffbfff1a805ef [ 1012.277708][ C0] R10: ffffffff8d402f7f R11: ffff88800267c5c0 R12: 00000000ffffffff [ 1012.277961][ C0] R13: 0000000000000001 R14: ffffffff8dcee908 R15: 00000000ffffffff [ 1012.278225][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1012.278442][ C0] uart_write+0x220/0x920 [ 1012.278577][ C0] process_output_block+0x13e/0x790 [ 1012.278747][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1012.278957][ C0] n_tty_write+0x40c/0x790 [ 1012.279129][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1012.279297][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1012.279483][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1012.279652][ C0] ? lock_acquire+0x32/0xc0 [ 1012.279818][ C0] ? iterate_tty_write+0x8f/0x540 [ 1012.279992][ C0] iterate_tty_write+0x222/0x540 [ 1012.280162][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1012.280332][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1012.280503][ C0] vfs_write+0xa81/0x11e0 [ 1012.280633][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1012.280808][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1012.280976][ C0] ? clockevents_program_event+0xf6/0x300 [ 1012.281191][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1012.281405][ C0] ksys_write+0xf8/0x1d0 [ 1012.281532][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1012.281720][ C0] do_syscall_64+0xc1/0x1d0 [ 1012.281889][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1012.282102][ C0] RIP: 0033:0x7f14c00dcb77 [ 1012.282276][ 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 [ 1012.282845][ C0] RSP: 002b:00007ffdfadfb1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1012.283097][ C0] RAX: ffffffffffffffda RBX: 0000557b135612b0 RCX: 00007f14c00dcb77 [ 1012.283349][ C0] RDX: 0000000000000001 RSI: 0000557b135612b0 RDI: 0000000000000001 [ 1012.283594][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1012.283838][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557b1354c5e0 [ 1012.284084][ C0] R13: 0000557b1352d2a0 R14: 0000000000000001 R15: 0000557b1354c5e0 [ 1012.284349][ C0] [ 1012.284477][ C0] handlers: [ 1012.284607][ C0] [] serial8250_interrupt [ 1012.284957][ C0] Disabling IRQ #51