[ 997.247580][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 997.247961][ C0] CPU: 0 UID: 0 PID: 5012 Comm: perl Not tainted 6.12.0-rc7-virtme #1 [ 997.248235][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 997.248464][ C0] Call Trace: [ 997.248605][ C0] <IRQ> [ 997.248701][ C0] dump_stack_lvl+0x82/0xd0 [ 997.248902][ C0] __report_bad_irq+0x5f/0x180 [ 997.249165][ C0] note_interrupt+0x6b3/0x860 [ 997.249347][ C0] handle_irq_event+0x16d/0x1c0 [ 997.249530][ C0] handle_edge_irq+0x1fa/0xb60 [ 997.249717][ C0] __common_interrupt+0x82/0x170 [ 997.249929][ C0] common_interrupt+0x81/0xa0 [ 997.250108][ C0] </IRQ> [ 997.250201][ C0] <TASK> [ 997.250297][ C0] asm_common_interrupt+0x26/0x40 [ 997.250474][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 997.250709][ C0] Code: 10 e8 61 01 86 fd 48 89 ef e8 c9 73 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 a5 4a b9 4a <74> 0e 5b 5d c3 cc cc cc cc e8 2f 5a ab fd eb dc 0f 1f 44 00 00 5b [ 997.251324][ C0] RSP: 0018:ffffc900010a7aa0 EFLAGS: 00000286 [ 997.251552][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff710172e [ 997.251817][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb54a7c31 [ 997.252092][ C0] RBP: ffffffffb90d24a0 R08: 0000000000000001 R09: fffffbfff70fcdcf [ 997.252354][ C0] R10: ffffffffb87e6e7f R11: ffff8880166c0040 R12: 00000000ffffffff [ 997.252633][ C0] R13: 0000000000000001 R14: ffffffffb90d25a8 R15: 00000000ffffffff [ 997.252904][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 997.253133][ C0] uart_write+0x220/0x920 [ 997.253275][ C0] process_output_block+0x13e/0x790 [ 997.253464][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 997.253697][ C0] n_tty_write+0x40c/0x790 [ 997.253890][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 997.254066][ C0] ? trace_lock_acquire+0x14d/0x1f0 [ 997.254249][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 997.254427][ C0] ? iterate_tty_write+0x8f/0x540 [ 997.254601][ C0] ? lock_acquire+0x32/0xc0 [ 997.254777][ C0] ? iterate_tty_write+0x8f/0x540 [ 997.254970][ C0] iterate_tty_write+0x222/0x540 [ 997.255154][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 997.255336][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 997.255520][ C0] vfs_write+0xa81/0x11e0 [ 997.255661][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 997.255838][ C0] ? __pfx_vfs_write+0x10/0x10 [ 997.256018][ C0] ? clockevents_program_event+0xf6/0x300 [ 997.256206][ C0] ? clockevents_program_event+0x1ea/0x300 [ 997.256441][ C0] ksys_write+0xf5/0x1e0 [ 997.256578][ C0] ? __pfx_ksys_write+0x10/0x10 [ 997.256766][ C0] do_syscall_64+0xc1/0x1d0 [ 997.256944][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 997.257165][ C0] RIP: 0033:0x7ff9d4922957 [ 997.257354][ 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 [ 997.257992][ C0] RSP: 002b:00007ffcff3ab718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 997.258258][ C0] RAX: ffffffffffffffda RBX: 00005578a390a3f0 RCX: 00007ff9d4922957 [ 997.258520][ C0] RDX: 0000000000000001 RSI: 00005578a390a3f0 RDI: 0000000000000001 [ 997.258781][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 997.259044][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005578a38f55e0 [ 997.259304][ C0] R13: 00005578a38d62a0 R14: 0000000000000001 R15: 00005578a38f55e0 [ 997.259577][ C0] </TASK> [ 997.259712][ C0] handlers: [ 997.259852][ C0] [<ffffffffb3d77a90>] serial8250_interrupt [ 997.260214][ C0] Disabling IRQ #51