RE: 4.9-rc1: [TMP_] ACPI namespace lookup failure, AE_ALREADY_EXISTS

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Hi, Imre

> From: Deak, Imre
> Subject: 4.9-rc1: [TMP_] ACPI namespace lookup failure, AE_ALREADY_EXISTS
> 
> Hi,
> 
> after upgrading to 4.9-rc1 I get the following errors occasionally
> during boot and suspend-to-ram on an APL system:
> 
> [   59.513434] ACPI Error: [TMP_] Namespace lookup failure, AE_ALREADY_EXISTS (20160831/dswload2-330)
> [   59.513446] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog (20160831/psobject-227)
> [   59.513469] ACPI Error: Method parse/execution failed [\_SB.PCI0.SCPG] (Node ffff8802770b7bb8),
> AE_ALREADY_EXISTS (20160831/psparse-543)
> [   59.515415] ACPI Error: Method parse/execution failed [\_SB.PCI0.SDHA._PS3] (Node ffff8802770b7dc0),
> AE_ALREADY_EXISTS (20160831/psparse-543)
> [   59.517118] ACPI: Marking method _PS3 as Serialized because of AE_ALREADY_EXISTS error
> 
> Other than these error messages, booting and suspend/resume seems to work ok.
> Bisecting points to
> commit 74f51b80a0c4ff84fbeb7f12ea43ce66934d29aa
> Author: Lv Zheng <lv.zheng@xxxxxxxxx>
> Date:   Wed Sep 7 14:07:10 2016 +0800
> 
>     ACPICA: Namespace: Fix dynamic table loading issues
> 
> Reverting this on top of 4.9-rc1 gets rid of the error messages.

I checked the code, only found one issue.
And I'm not sure if it is related.
Please send me the full dmesg containing the errors and the acpidump output.

Please give the fix a try (see attachment).
I'm sorry for sending fix patch using attachment.
It's not convenient for me due to my current working environment.

Thanks and best regards
Lv

Attachment: lv-lockx.patch
Description: lv-lockx.patch


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