*** This bug is a duplicate of bug 1270579 ***
https://bugs.launchpad.net/bugs/1270579
** This bug is no longer a duplicate of bug 896595
Ubuntu does not remember LID brightness
** This bug has been marked a duplicate of bug 1270579
On laptops, screen brightness isn't memorized between
*** This bug is a duplicate of bug 896595 ***
https://bugs.launchpad.net/bugs/896595
** This bug has been marked a duplicate of bug 896595
Ubuntu does not remember LID brightness
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Possible duplicate of bug 896595?
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https://bugs.launchpad.net/bugs/1016724
Title:
Laptop brightness always reverts to maximum on 12.04
To manage notifications about this bug go to:
I don't know if this is related or not but this might not be a GNOME
bug, this might actually be a Kernel bug with HP's as on my system the
Kernel reports that it is unable to obtain the brightness with the
message [Firmware Bug]: ACPI: No _BQC method, cannot determine initial
brightness
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You
Thank you for taking the time to report this bug and helping to make
Ubuntu better. The issue you are reporting is an upstream one and it
would be nice if somebody having it could send the bug to the developers
of the software by following the instructions at
This bug affects all my G series and Envy series HP laptops, as well as
my Dell. They all either have an AMD APU (all my HP laptops) or an i5
(the Dell). We had the same problem back in 11.10. There is one thing
in common between all my laptops and that's that they all have 7 series
graphics,
In general the kernel doesn't choose the backlight level, it only
applies the backlight level chosen by userspace. It's usually g-s-d that
provides the brightness values to the kernel, so I'm moving the bug to
that package.
** Package changed: linux (Ubuntu) = gnome-settings-daemon (Ubuntu)
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@jsalisbury tested with the kernel you linked to (amd64 version) and the
problem was still apparent.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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** Package changed: ubuntu = linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1016724
Title:
Laptop brightness always reverts to maximum on 12.04
To manage notifications about this bug
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.5kernel[0] (Not a kernel in the daily directory) and install both the
linux-image and linux-image-extra .deb packages.
Once you've tested the
apport-collect 1016724 generates the output below and then hangs so I'm
not sure I can change the marking to complete. @jsalisbury I've never
tried to manually change kernel before so I'll wait until I have more
free time (probably tomorrow) so I can research how to do it properly
and safely
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