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[Bug 1482618] [NEW] After suspending - SYSTEM FREEZES


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Dear Developers,

suspending function does not work.. When I manually suspend the system (pressing the suspend button, clicking the suspend logo that appears), when I open the screen next time, the system freezes many times. - At least, the screen is fully black, nothing happens.
The computer is a Lenovo Yoga 3 with u15.04.

Can you please help in this ?
many thanks

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
Uname: Linux 3.19.0-25-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Fri Aug  7 13:30:46 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
DkmsStatus: bcmwl,, 3.19.0-25-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
 Intel Corporation Broadwell-U Integrated Graphics [8086:161e] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:3906]
InstallationDate: Installed on 2015-07-27 (10 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 80HE
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic.efi.signed root=UUID=4fff414d-6c5a-4304-bdda-4c1932e1cafd ro quiet splash vt.handoff=7
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/29/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: A6CN50WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: VIUU4
dmi.board.vendor: LENOVO
dmi.board.version: 31900058 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo YOGA 3 Pro-1370
dmi.modalias: dmi:bvnLENOVO:bvrA6CN50WW:bd04/29/2015:svnLENOVO:pn80HE:pvrLenovoYOGA3Pro-1370:rvnLENOVO:rnVIUU4:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoYOGA3Pro-1370:
dmi.product.name: 80HE
dmi.product.version: Lenovo YOGA 3 Pro-1370
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Fri Aug  7 10:28:02 2015
xserver.configfile: default
xserver.errors: [dix] ATML1000:00 03EB:8A10: unable to find touch point 0
xserver.logfile: /var/log/Xorg.0.log
 product id                               17226 
 vendor                                     SDC
xserver.version: 2:1.17.1-0ubuntu3

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

** Tags: amd64 apport-bug compiz-0.9 ubuntu vivid
After suspending - SYSTEM FREEZES
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