https://bugzilla.kernel.org/show_bug.cgi?id=105491
Bug ID: 105491
Summary: ACPI AE_NOT_FOUND errors for GPE _L6F on Skylake
system.
Product: ACPI
Version: 2.5
Kernel Version: 4.3-rc4
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Booting Linux on my Skylake system results in ACPI errors filling the kernel
ring buffer:
[ 1621.356444] ACPI Error: [PGRT] Namespace lookup failure, AE_NOT_FOUND
(20150818/psargs-359)
[ 1621.356446] ACPI Error: Method parse/execution failed [\_GPE._L6F] (Node
ffff8804658e00c8), AE_NOT_FOUND (20150818/psparse-542)
[ 1621.356448] ACPI Exception: AE_NOT_FOUND, while evaluating GPE method [_L6F]
(20150818/evgpe-592)
...
[ 1621.355548] ACPI Error: [PGRT] Namespace lookup failure, AE_NOT_FOUND
(20150818/psargs-359)
[ 1650.270201] ACPI Error: Method parse/execution failed [\_GPE._L6F] (Node
ffff8804658e00c8), AE_NOT_FOUND (20150818/psparse-542)
These messages are filling my buffer constantly. I run out of disk space within
hours (300GB+).
Using the kernel option 'acpi=off' removes these errors. 'The errors are still
present with 'acpi=ht'.
All of my hardware seems to work as expected though.
I've updated to the latest BIOS (v1.20)
(http://asrock.com/mb/Intel/Fatal1ty%20Z170%20Gaming-ITXac/index.us.asp?cat=Download&os=BIOS)
According to the 01.org page
(https://01.org/linux-acpi/documentation/debug-how-isolate-linux-acpi-issues)
the problem could be with the ACPI table parsing code.
Hardware:
Core i7 6700K processor
Fatal1ty Z170 Gaming-ITX/ac motherboard
nVidia GeForce GTX970 GPU
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