https://bugzilla.kernel.org/show_bug.cgi?id=204251
Mario Limonciello (mario_limoncie...@dell.com) changed:
What |Removed |Added
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CC| |mario_limoncie...@dell.com
--- Comment #1 from Mario Limonciello (mario_limoncie...@dell.com) ---
To make sure I'm following properly - you're saying that when changing the
brightness using sysfs in the intel_backlight driver is when those ACPI errors
show up in the system logs?
A few things that will be needed to investigate these further:
1) What kernel? Is this happening with mainline?
2) Do you have the binary NVIDIA driver installed as well?
3) Can you please check if you have switchable graphics turned on or off in
BIOS setup? This can cause ACPI tables to be populated differently on Dell
systems.
4) Can you please share an ACPI dump for this system (please note whether
switchable graphics is on or off in this dump too).
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