Running on a laptop with 32GB of RAM. I noticed that my ramdisk was well
over 100MB and I was getting this error. I'm not sure what the exact
cause is, but I changed these two settings in /etc/initramfs-
tools/initramfs.conf to the following values:
MODULES=dep
COMPRESS=lz4 (requires running "su
This is still a bug in 12.04 and it will presumably remain an issue for
the foreseeable future. Has there been any indication about a potential
fix for this, or is this an architectural issue? Will this potentially
be solved by Wayland?
I would think that the rise of gaming on the Linux desktop (t
Performing:
sudo apt-get install acpi-call-tools acpi-call-source
was the missing link. Once installed and rebooted, the brightness keys
are now working. I'm not certain whether or not installing the source
was necessary.
Thank you very much!
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OS: Mint Maya (Based on 12.04)
Machine: Sager NP9170 (Clevo P170EM)
Brightness Down: Fn + F8 key
Brightness Up: Fn + F9 key
Output from grep mentioned above:
$ grep IGDM DSDT.dsl
OperationRegion (IGDM, SystemMemory, ASLB, 0x2000)
Field (IGDM, AnyAcc, NoLock, Preserve)
I
I had to make a change:
The DSDT can be retrieved using:
sudo apt-get install acpidump iasl
cd $(mktemp -d)
sudo acpidump > acpidump.txt
acpixtract acpidump.txt
iasl -d *.dat
grep IGDM DSDT.dsl
.dsl, not .dat. For me the .dat file was a binary file.
Regardless, I can't get this to work onmy P170
This bug also affects the Sager NP9170 (CLEVO P170EM).
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/806032
Title:
Fn + F[89] does not work for controlling brightness on Clevo laptops
(B7130, W150
