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[Launchpad Bug Tracker <1452250@xxxxxxxxxxxxxxxxxx>]

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On ubuntu 15.04 with kernel 3.19.0-16 its not possible to out of the box
do a suspend.

if I disable XHC1 as wakeup source in /proc/acpi/wakeup it is now
possible to suspend.

echo XHC1 >/proc/acpi/wakeup

But now resume is problematic. When resuming its possible to get just a
black screen. Resume is actually working but the backlightis not turned
on. but since ubuntu now has turned on the screenlock it is not possible
to use the buttons that controls the backlight to get the screen
readable again.

If I type my password in blindly (dont always work) I get back in the
desktop and then I can use the keys that control the backlight and tus
get a picture again.

This is not very user friendly.

1. we need some way to control the backlight also when the screen is
locked, this is very important turning on tha lock manualy also prevent
the backlight key from working.

2. when resuming something needs to turn on the backlight 100% . (it is
done often, but sometimes it's black.)

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-16-generic 3.19.0-16.16
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  kenjo      1855 F.... pulseaudio
 /dev/snd/controlC1:  kenjo      1855 F.... pulseaudio
Date: Wed May  6 13:28:23 2015
HibernationDevice: RESUME=UUID=761572ed-0a1f-4ea0-9e80-1b6ef6034e6e
InstallationDate: Installed on 2015-04-09 (26 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 006: ID 05ac:8289 Apple, Inc.
 Bus 001 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
 Bus 001 Device 003: ID 05ac:0263 Apple, Inc. Apple Internal Keyboard / Trackpad (MacBook Retina)
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Apple Inc. MacBookPro11,2
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.19.0-16-generic.efi.signed root=UUID=f84ca03e-c0d4-45ad-80f3-c45d4ad106dd ro rootflags=subvol=@ noprompt persistent quiet splash vt.handoff=7
PulseList:
 Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
 No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-16-generic N/A
 linux-backports-modules-3.19.0-16-generic  N/A
 linux-firmware                             1.143
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/07/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP112.88Z.0138.B14.1501071031
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-3CBD00234E554E41
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-3CBD00234E554E41
dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B14.1501071031:bd01/07/2015:svnAppleInc.:pnMacBookPro11,2:pvr1.0:rvnAppleInc.:rnMac-3CBD00234E554E41:rvrMacBookPro11,2:cvnAppleInc.:ct10:cvrMac-3CBD00234E554E41:
dmi.product.name: MacBookPro11,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug latest-bios vivid
-- 
suspend/resume brooken on macbook pro  hardware 11.2
https://bugs.launchpad.net/bugs/1452250
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