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[Bug 1566828] Re: Suspension does not work, freezes the pc

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Finished my bisect:

7bb4014e065abf88c1698bc5fde7a91caf907265 is the first bad commit
commit 7bb4014e065abf88c1698bc5fde7a91caf907265
Author: Rob Clark <robdclark@xxxxxxxxx>
Date:   Mon Jan 25 18:06:48 2016 -0500

    drm/radeon: only init fbdev if we have connectors
    
    BugLink: http://bugs.launchpad.net/bugs/1546572
    
    This fixes an issue that was noticed on an optimus/prime laptop with
    a kernel that was old enough to not support the integrated intel gfx
    (which was driving all the outputs), but did have support for the
    discrete radeon gpu.  The end result was not falling back to VESA and
    leaving the user with a black screen.
    
    (Plus it is kind of silly to create an framebuffer device if there
    are no outputs hooked up to the gpu.)
    
    Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    (cherry picked from commit f95429eccc570dc45d589c327bfcfddcdc3e8228)
    Signed-off-by: Alberto Milone <alberto.milone@xxxxxxxxxxxxx>
    
    Signed-off-by: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>

:040000 040000 e8135e481d51ce133b7c3e5ee97f0916fb731bb5
230277112d1123be03dbec1be4f597057e91e546 M      drivers

Which matches this commit in the upstream git:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f95429eccc570dc45d589c327bfcfddcdc3e8228

Turns out I have not been the first one, doing this:
https://bugzilla.kernel.org/show_bug.cgi?id=112781

...
Which has been fixed here: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e5f243bd2edd95c6cc1d90c1878f821068e83fba.

I picket the patch and check if the problem is gone.

** Bug watch added: Linux Kernel Bug Tracker #112781
   http://bugzilla.kernel.org/show_bug.cgi?id=112781

** Also affects: linux via
   http://bugzilla.kernel.org/show_bug.cgi?id=112781
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1566828

Title:
  Suspension does not work, freezes the pc

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have this notebook
  HP 15 ac 191 nl

  Intel® Core™ i5-5200U with integrated Intel HD 5500
  RAM 8 gb
  DEdicated GPU AMD Radeon R5 M330

  I am running kubuntu 16.04 beta2.

  When i suspend the pc, gettin down the screen or givin the command in the menù, the screen goes black but the fan keeps running. So you can hear the fan working..and the pc got hot.
  It is also impossible to wake up the pc, it stays freezed in this condition, i have to force the shutdown with the power button pressing it for 3 sec. 

  The problem is present every time i try to suspend the pc.
  --- 
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ale        1315 F.... pulseaudio
   /dev/snd/pcmC1D0c:   ale        1315 F...m pulseaudio
   /dev/snd/pcmC1D0p:   ale        1315 F...m pulseaudio
   /dev/snd/controlC1:  ale        1315 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=0c420aef-5eec-47f9-90cc-94eae92e8388
  InstallationDate: Installed on 2016-03-31 (5 days ago)
  InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160331)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 002: ID 0bda:57d6 Realtek Semiconductor Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP Notebook
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic.efi.signed root=UUID=623bb030-402f-4ae0-b47b-16c0d54bd861 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  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-4.4.0-16-generic N/A
   linux-backports-modules-4.4.0-16-generic  N/A
   linux-firmware                            1.157
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  xenial
  Uname: Linux 4.4.0-16-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 01/18/2016
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.1F
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 80C2
  dmi.board.vendor: HP
  dmi.board.version: 96.45
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.1F:bd01/18/2016:svnHP:pnHPNotebook:pvrType1ProductConfigId:rvnHP:rn80C2:rvr96.45:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP
  --- 
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ale        1315 F.... pulseaudio
   /dev/snd/pcmC1D0c:   ale        1315 F...m pulseaudio
   /dev/snd/pcmC1D0p:   ale        1315 F...m pulseaudio
   /dev/snd/controlC1:  ale        1315 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=0c420aef-5eec-47f9-90cc-94eae92e8388
  InstallationDate: Installed on 2016-03-31 (5 days ago)
  InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160331)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 002: ID 0bda:57d6 Realtek Semiconductor Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP Notebook
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic.efi.signed root=UUID=623bb030-402f-4ae0-b47b-16c0d54bd861 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  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-4.4.0-16-generic N/A
   linux-backports-modules-4.4.0-16-generic  N/A
   linux-firmware                            1.157
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  xenial
  Uname: Linux 4.4.0-16-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 01/18/2016
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.1F
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 80C2
  dmi.board.vendor: HP
  dmi.board.version: 96.45
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.1F:bd01/18/2016:svnHP:pnHPNotebook:pvrType1ProductConfigId:rvnHP:rn80C2:rvr96.45:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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