Luke picciau, thank you for reporting this and helping make Ubuntu
better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please
keep in mind the following:
1) The one to test is at the very top line at the top of the page (not the
daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was
released upstream.
4) Install instructions are available at
https://wiki.ubuntu.com/Kernel/MainlineBuilds .
If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.
If the latest kernel did not allow you to test to the issue (ex. you couldn't
boot into the OS) please make a comment in your report about this, and continue
to test the next most recent kernel version until you can test to the issue.
Once you've tested the upstream kernel, please comment on which kernel version
specifically you tested. If this issue is fixed in the mainline kernel, please
add the following tags by clicking on the yellow circle with a black pencil
icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.
If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Also, you don't need to apport-collect further unless specifically
requested to do so.
Once testing of the latest upstream kernel is complete, please mark this
report Status Confirmed. Please let us know your results.
Thank you for your understanding.
** Tags added: wily
** Changed in: linux (Ubuntu)
Importance: High => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1550905
Title:
[MacBookAir7,1] Backlight control broken. Won't turn on after suspend.
Status in linux package in Ubuntu:
Incomplete
Bug description:
The backlight on the MacBookAir7,1 can't be controlled, changing the
brightness setting has no effect on the actual screen brightness. If
you close the lid and the screen turns off it won't turn back on
again, the keyboard lights turn on and you can see the lcd is on if
you hold it to the light but the backlight won't turn back on.
Tested on Ubuntu 16.04 but it also affects 15.10
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-8-generic 4.4.0-8.23 [modified:
boot/vmlinuz-4.4.0-8-generic]
ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
Uname: Linux 4.4.0-8-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: qwertie 1445 F.... pulseaudio
/dev/snd/controlC0: qwertie 1445 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Feb 28 21:32:12 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=57c0320e-dc88-4126-9554-7d5e81efd9ca
InstallationDate: Installed on 2016-02-28 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160228)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 05ac:0290 Apple, Inc.
Bus 001 Device 006: ID 05ac:828f Apple, Inc.
Bus 001 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part
of BCM2046 Bluetooth)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Apple Inc. MacBookAir7,1
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-8-generic.efi.signed
root=UUID=1db7d07c-799d-46d8-95d4-7f86fca35114 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-8-generic N/A
linux-backports-modules-4.4.0-8-generic N/A
linux-firmware 1.156
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/02/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA71.88Z.0166.B08.1509021746
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-9F18E312C5C2BF0B
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir7,1
dmi.chassis.asset.tag: Chassis Board Asset Tag#
dmi.chassis.type: 9
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-9F18E312C5C2BF0B
dmi.modalias:
dmi:bvnAppleInc.:bvrMBA71.88Z.0166.B08.1509021746:bd09/02/2015:svnAppleInc.:pnMacBookAir7,1:pvr1.0:rvnAppleInc.:rnMac-9F18E312C5C2BF0B:rvrMacBookAir7,1:cvnAppleInc.:ct9:cvrMac-9F18E312C5C2BF0B:
dmi.product.name: MacBookAir7,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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