# Problème ACPI Lenovo

**URL:** <https://www.debian-fr.org/t/probleme-acpi-lenovo/82587>\
**Category:** Support Debian\
**Created:** [Août 2, 2020, 9:35 UTC](https://www.debian-fr.org/t/probleme-acpi-lenovo/82587 "2020-08-02T09:35:25Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Xxludo251xX](https://www.debian-fr.org/letter_avatar_proxy/v4/letter/x/d07c76/32.png) [@Xxludo251xX](https://www.debian-fr.org/u/Xxludo251xX)\
**Post date:** [Août 2, 2020, 9:35 UTC](https://www.debian-fr.org/t/probleme-acpi-lenovo/82587/1 "2020-08-02T09:35:26Z")

</div>

Bonjour,  
j’ai un petit souci avec mon pc juste après le lancement de grub et avant le splash ACPI 0x20 a mettre à jours .

```nohighlight
[0.288038] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[0.288039] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[0.300156] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[0.300156] #2 #3
[0.328189] ACPI Error: Needed type [Reference], found [Integer] 00000000ac171e04 (20180810/exresop-69)
[0.328256] ACPI Error: AE_AML_OPERAND_TYPE, While resolving operands for [OpcodeName unavailable] (20180810/dswexec-427)
[0.328322] ACPI Error: Method parse/execution failed \_PR.CPU0._PDC, AE_AML_OPERAND_TYPE (20180810/psparse-516)
[1.901033] acpi PNP0C14:01: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:00)
[1.901094] acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:00)
[2.116054] ------------[cut here]------------
[2.116061] WARNING: CPU: 0 PID: 13 at kernel/work

```

merci de votre aide.

---

<div class="post-metadata">

**Author:** ![dexter74](https://www.debian-fr.org/user_avatar/www.debian-fr.org/dexter74/32/4705_2.png) [@dexter74](https://www.debian-fr.org/u/dexter74)\
**Post date:** [Août 22, 2020, 11:28 UTC](https://www.debian-fr.org/t/probleme-acpi-lenovo/82587/2 "2020-08-22T23:28:18Z")

</div>

Bonjour,

Apparemment c’est un bug reçurent sur les Lenovo (je suis aussi dans ton cas)

[https://bugzilla.redhat.com/show\_bug.cgi?id=1459317](https://bugzilla.redhat.com/show_bug.cgi?id=1459317)