https://bugzilla.kernel.org/show_bug.cgi?id=15900
Summary: Acer Aspire 5740 not recognized by acer-wmi
Product: ACPI
Version: 2.5
Kernel Version: 2.6.33-ARCH #1 SMP PREEMPT
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: Platform-Drivers
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Regression: No
Created an attachment (id=26202)
--> (https://bugzilla.kernel.org/attachment.cgi?id=26202)
ACPI Dump
sudo modprobe acer-wmi
gives this result:
FATAL: Error inserting acer_wmi
(/lib/modules/2.6.33-ARCH/kernel/drivers/platform/x86/acer-wmi.ko): No such
device
output from dmesg includes:
..
Hardware name: Aspire 5740
..
acer-wmi: Acer Laptop ACPI-WMI Extras
acer-wmi: Unable to detect available WMID devices
>From what I have read, this may be at least part of the reason I am unable to
control the LCD backlight brightness on this laptop from within the graphical
desktop environment. I am able to control the brightness from the console and
set the brightness with xbacklight from within my .xinitrc. I have not yet
encountered any other problems resulting from this bug.
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