[ 1443.033195][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1443.033625][ C0] CPU: 0 UID: 0 PID: 8628 Comm: perl Not tainted 6.13.0-rc1-virtme #1 [ 1443.033923][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1443.034174][ C0] Call Trace: [ 1443.034332][ C0] <IRQ> [ 1443.034438][ C0] dump_stack_lvl+0x82/0xd0 [ 1443.034661][ C0] __report_bad_irq+0x5f/0x180 [ 1443.034867][ C0] note_interrupt+0x66d/0x7f0 [ 1443.035100][ C0] handle_irq_event+0x16d/0x1c0 [ 1443.035292][ C0] handle_edge_irq+0x1fa/0xb60 [ 1443.035480][ C0] __common_interrupt+0x82/0x170 [ 1443.035667][ C0] common_interrupt+0x81/0xa0 [ 1443.035854][ C0] </IRQ> [ 1443.035952][ C0] <TASK> [ 1443.036046][ C0] asm_common_interrupt+0x26/0x40 [ 1443.036241][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1443.036500][ C0] Code: 10 e8 e1 73 8c fd 48 89 ef e8 99 e8 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 a5 75 14 71 <74> 0e 5b 5d c3 cc cc cc cc e8 3f 40 b2 fd eb dc 0f 1f 44 00 00 5b [ 1443.037191][ C0] RSP: 0018:ffffc900065b7aa0 EFLAGS: 00000286 [ 1443.037443][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2443d80 [ 1443.037716][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8eef4f71 [ 1443.038005][ C0] RBP: ffffffff92ae5800 R08: 0000000000000001 R09: fffffbfff243f3ef [ 1443.038281][ C0] R10: ffffffff921f9f7f R11: ffff8880167cc5c0 R12: 00000000ffffffff [ 1443.038558][ C0] R13: 0000000000000001 R14: ffffffff92ae5908 R15: 00000000ffffffff [ 1443.038841][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1443.039092][ C0] uart_write+0x220/0x920 [ 1443.039242][ C0] process_output_block+0x13e/0x790 [ 1443.039434][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1443.039670][ C0] n_tty_write+0x40c/0x790 [ 1443.039861][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1443.040048][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1443.040234][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1443.040429][ C0] ? lock_acquire+0x32/0xc0 [ 1443.040616][ C0] ? iterate_tty_write+0x8f/0x540 [ 1443.040807][ C0] iterate_tty_write+0x222/0x540 [ 1443.040995][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1443.041183][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1443.041386][ C0] vfs_write+0xa81/0x11e0 [ 1443.041528][ C0] ? __pfx___lock_release+0x10/0x10 [ 1443.041710][ C0] ? trace_lock_acquire+0x14c/0x1f0 [ 1443.041899][ C0] ? lock_acquire+0x32/0xc0 [ 1443.042080][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1443.042265][ C0] ? trace_rseq_update+0xe7/0x150 [ 1443.042455][ C0] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 1443.042693][ C0] ksys_write+0xf8/0x1d0 [ 1443.042832][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1443.043025][ C0] do_syscall_64+0xc1/0x1d0 [ 1443.043218][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1443.043442][ C0] RIP: 0033:0x7f75cfc53b77 [ 1443.043632][ 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 [ 1443.044263][ C0] RSP: 002b:00007ffd3ccd2758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1443.044569][ C0] RAX: ffffffffffffffda RBX: 0000563245dc13f0 RCX: 00007f75cfc53b77 [ 1443.044862][ C0] RDX: 0000000000000001 RSI: 0000563245dc13f0 RDI: 0000000000000001 [ 1443.045153][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1443.045444][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563245dac5e0 [ 1443.045721][ C0] R13: 0000563245d8d2a0 R14: 0000000000000001 R15: 0000563245dac5e0 [ 1443.046002][ C0] </TASK> [ 1443.046139][ C0] handlers: [ 1443.046284][ C0] [<ffffffff8d85e570>] serial8250_interrupt [ 1443.046724][ C0] Disabling IRQ #51