I was unable to install the new kernel, the package is 'broken' and apt-
get install -f just want to remove it. The kernel conflicts with
ndiswrapper, and I need the internet for my job. Any suggestions on how
to install the upstream kernel?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags removed: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1618952
Title:
Display brightness keys not registered by ~$acpi_listen
Status in linux package in Ubuntu:
Incomplete
Bug description:
Brightness keys donot repond, Brightness controls on
xfce4_power_manager behave as expected. Either kernel is not
recognizing the fn+f5/f6 commands or their is a problem with my
configuration.
here is the event output of all of my fn+(f keys):
~ $ acpi_listen
button/volumeup VOLUP 00000080 00000000 K
button/volumedown VOLDN 00000080 00000000 K
button/mute MUTE 00000080 00000000 K
button/mute MUTE 00000080 00000000 K
PNP0C14:00 000000ff 00000000
PNP0C14:00 000000ff 00000000
PNP0C14:00 000000ff 00000000
button/sleep SBTN 00000080 00000000
button/sleep PNP0C0E:00 00000080 00000001
(As a side note, my bios has no configuration options for the function
keys.)
(On another note, it is worth noting the fn+f2 does not respond with
an event calling for airplane mode either, which is not important to
me but may be important for others, if this is fixed by any solution
here I will make note, though airplane mode may be a feature request
and not a bug.)
I have tried several options in the etc/default/grub file, these include:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video.use_native_backlight=1"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video.use_native_backlight=0"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=intel_backlight"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi="
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
I am using Mint XFCE Sarah (Ubuntu Xenial) 64-bit, xfce4_power_manager
was tested with all above configurations to both handle and not handle
display brightness keys. My Computer is an ASUS model is X540LA. I
am attaching a few files to help with this bug report.
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