[ 474.706200] Mirror/redirect action on [ 486.914994] irq 4: nobody cared (try booting with the "irqpoll" option) [ 486.915137] CPU: 3 UID: 0 PID: 12334 Comm: perl Not tainted 6.12.0-rc4-virtme #1 [ 486.915220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 486.915333] Call Trace: [ 486.915372] [ 486.915406] dump_stack_lvl+0x55/0x70 [ 486.915461] __report_bad_irq+0x2b/0xc0 [ 486.915510] note_interrupt+0x2a7/0x2f0 [ 486.915551] handle_irq_event+0x72/0x80 [ 486.915593] handle_edge_irq+0x8b/0x230 [ 486.915637] __common_interrupt+0x3c/0xb0 [ 486.915684] common_interrupt+0x80/0x90 [ 486.915732] [ 486.915758] [ 486.915781] asm_common_interrupt+0x26/0x40 [ 486.915828] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 486.915884] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 7c 5a 08 7b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 486.916051] RSP: 0018:ffffbabc04f6bd60 EFLAGS: 00000286 [ 486.916196] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017 [ 486.916273] RDX: ffffffff84b9ba3d RSI: 0000000000000282 RDI: ffffffff8650c120 [ 486.916351] RBP: ffff8f24c1eb4000 R08: 0000007175e950f5 R09: 0000000000000001 [ 486.916429] R10: ffff8f24c24aa1f8 R11: 0000000000000000 R12: 0000000000000001 [ 486.916505] R13: ffffffff8650c120 R14: 0000000000000282 R15: ffff8f24c24aa000 [ 486.916573] ? rpm_suspend+0x1ad/0x5e0 [ 486.916618] uart_write+0xb2/0x270 [ 486.916665] n_tty_write+0x1a3/0x520 [ 486.916705] ? __pfx_woken_wake_function+0x10/0x10 [ 486.916760] file_tty_write.constprop.0+0x147/0x330 [ 486.916817] vfs_write+0x335/0x470 [ 486.916862] ksys_write+0x63/0xe0 [ 486.916902] do_syscall_64+0x9e/0x1a0 [ 486.916946] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 486.917005] RIP: 0033:0x7f0452310957 [ 486.917045] 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 [ 486.917212] RSP: 002b:00007ffeeaa9e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 486.917290] RAX: ffffffffffffffda RBX: 000055eeb68790b0 RCX: 00007f0452310957 [ 486.917367] RDX: 0000000000000001 RSI: 000055eeb68790b0 RDI: 0000000000000001 [ 486.917444] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 486.917523] R10: 0000000000000001 R11: 0000000000000246 R12: 000055eeb6865580 [ 486.917600] R13: 000055eeb68462a0 R14: 0000000000000001 R15: 000055eeb6865580 [ 486.917678] [ 486.917708] handlers: [ 486.917740] [<00000000cde87ed2>] serial8250_interrupt [ 486.917794] Disabling IRQ #4