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["stef.baly" <1492850@xxxxxxxxxxxxxxxxxx>]

dmesg after sudo sh -c "sync && echo 1 > /sys/power/pm_trace && pm-
suspend"

** Attachment added: "dmesg"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492850/+attachment/4499564/+files/dmesg.txt

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https://bugs.launchpad.net/bugs/1492850

Title:
  Dell pro venue 11 - No wireless connections after sleep

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I try for a long time to set-up the wifi for my dell pro venue 11
  v7130 (wifi chipset Intel Corporation Wireless 7260). The wifi
  connection is perfect until the computer is suspend. After a suspend,
  even activating the wifi from network manager is impossible. After
  suspend even an exit doesn't reconnect to the wifi connection. It
  seems that the wifi chipset is off and it's impossible to wake up.

  Recently 15.04 has been update to 4.2 RC8. Nothing new !

  A file unload_modules has been created.
  /etc/pm/config.d with SUSPEND_MODULES="$SUSPEND_MODULES iwlwifi" without any effect.

  sudo service network-manager restart doesn't work too !

  Before suspend

  @utopie:~$ sudo lshw -C network
  *-network
  description: Interface réseau sans fil
  produit: Wireless 7260
  fabriquant: Intel Corporation
  identifiant matériel: 0
  information bus: pci@0000:01:00.0
  nom logique: wlan0
  version: 83
  numéro de série: 5c:51:4f:d9:2e:75
  bits: 64 bits
  horloge: 33MHz
  fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
  configuration: broadcast=yes driver=iwlwifi driverversion=4.2.0-040200rc8-generic firmware=25.30.13.0 ip=192.168.0.50 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
  ressources: irq:49 mémoire:f7d00000-f7d01fff
  *-network DÉSACTIVÉ
  description: Ethernet interface
  identifiant matériel: 1
  nom logique: wwan0
  numéro de série: 1e:51:e0:b8:e1:da
  fonctionnalités: ethernet physical
  configuration: broadcast=yes driver=cdc_mbim driverversion=22-Aug-2005 firmware=CDC MBIM link=no multicast=yes

  After suspend (no more wifi chipset !).
  @utopie:~$ sudo lshw -C network
  *-network DÉSACTIVÉ
  description: Ethernet interface
  identifiant matériel: 1
  nom logique: wwan0
  numéro de série: 1e:51:e0:b8:e1:da
  fonctionnalités: ethernet physical
  configuration: broadcast=yes driver=cdc_mbim driverversion=22-Aug-2005 firmware=CDC MBIM link=no multicast=yes

  ---
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  baly       1169 F.... pulseaudio
   /dev/snd/controlC1:  baly       1169 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  HibernationDevice: RESUME=UUID=729324f1-42a5-45f8-9585-f6e0169f2d64
  InstallationDate: Installed on 2015-04-23 (144 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Venue 11 Pro 7130 vPro
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-29-generic.efi.signed root=UUID=35cde4a5-bbc3-442b-b239-d3f917925a94 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-29.31-generic 3.19.8-ckt6
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-29-generic N/A
   linux-backports-modules-3.19.0-29-generic  N/A
   linux-firmware                             1.143.3
  Tags:  vivid
  UdevLog: Error: [Errno 2] Aucun fichier ou dossier de ce type: '/var/log/udev'
  Uname: Linux 3.19.0-29-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 02/18/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0T69G0
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd02/18/2014:svnDellInc.:pnVenue11Pro7130vPro:pvr01:rvnDellInc.:rn0T69G0:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Venue 11 Pro 7130 vPro
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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