kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Andy Barry, could you please provide the missing information from
https://wiki.ubuntu.com/DebuggingKernelSuspend ?

** Description changed:

- I have an Alienware 15 R2 where the WiFi is broken on resume from
- suspend.  I thought it was likely my WiFi card, but I have an identical
- issue regardless of the three cards I have tried:
+ With Ubuntu 14.04, and 15.10, using my Alienware 15 R2 the Intel 7265
+ WiFi is broken on resume from suspend. However, after suspend, it is
+ gone from network manager ("No network devices available"), from
+ ifconfig, and from lshw -class Network. It works fine prior to suspend.
  
- 1) Killer 1535
- 2) Intel 8260
- 3) Intel 7265
- 
- All three work before suspend (the Killer required a firmware download),
- but after suspend, they are gone from network manager ("No network
- devices available"), from ifconfig, and from lshw -class Network
- 
- I have tried removing the kernel module for the driver (ath10k and
- iwlwifi, respectively) before suspend and modprobe-ing it after, but
- that results in no change.  I also have disabled wifi via  the keyboard
- key, then suspended,  then resumed, but still no luck.  No change after
- installing intel-microcode either.
+ I have tried removing the kernel module iwlwifi,before suspend and
+ modprobe-ing it after, but that results in no change. I also have
+ disabled wifi via the keyboard key, then suspended, then resumed, but
+ still no luck. No change after installing intel-microcode either.
  
  Wifi does come back after resume in Windows.
  
- This post reports a similar problem:
- http://ubuntuforums.org/showthread.php?t=2311390&page=2
+ As additional data points:
+ This also happens with WiFi cards Killer 1535, and Intel 8260.
+ Also, the exact same thing happens to my wired ethernet connection as well (it disappears from lshw -class Network) after suspend.
  
- So my conclusion is that there's something going on with the
- motherboard/BIOS not turning any of the ethernet devices back on.  I am
- running the most up to date BIOS version.  I have tried the following
- distributions with identical results:
- 
- Ubuntu 15.10 (stock kernel and 4.3 kernel)
- Xubuntu 14.04
- Linux Mint 17.3
- 
- dmesg of a suspend/resume cycle in Ubuntu 15.10 with the stock kernel
- running the Intel 7265: http://pastebin.com/UsvwSbbM
- 
- version.log for that dmesg:
- Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
- 
- lshw -class Network (before suspend): http://pastebin.com/yhpUKjwv
- 
- lspci-vnvn.log: http://pastebin.com/W6zfHLxE
- 
- As a final note, the exact same thing happens to my wired ethernet connection as well (it disappears from lshw -class Network) after suspend.
- --- 
+ ---
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  abarry     1585 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  abarry     1585 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2016-03-10 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Lsusb:
-  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
-  Bus 001 Device 004: ID 1bcf:2b8c Sunplus Innovation Technology Inc. 
-  Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
-  Bus 001 Device 002: ID 187c:0528 Alienware Corporation 
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 004: ID 1bcf:2b8c Sunplus Innovation Technology Inc.
+  Bus 001 Device 003: ID 8087:0a2a Intel Corp.
+  Bus 001 Device 002: ID 187c:0528 Alienware Corporation
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Alienware Alienware 15 R2
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic.efi.signed root=UUID=115dc7cd-b190-4872-94bd-685ec9695732 ro noprompt persistent quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
  RelatedPackageVersions:
-  linux-restricted-modules-4.2.0-30-generic N/A
-  linux-backports-modules-4.2.0-30-generic  N/A
-  linux-firmware                            1.149
+  linux-restricted-modules-4.2.0-30-generic N/A
+  linux-backports-modules-4.2.0-30-generic  N/A
+  linux-firmware                            1.149
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/29/2016
  dmi.bios.vendor: Alienware
  dmi.bios.version: 1.2.8
  dmi.board.name: Alienware 15 R2
  dmi.board.vendor: Alienware
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnAlienware:bvr1.2.8:bd01/29/2016:svnAlienware:pnAlienware15R2:pvr1.2.8:rvnAlienware:rnAlienware15R2:rvrA00:cvnAlienware:ct10:cvrNotSpecified:
  dmi.product.name: Alienware 15 R2
  dmi.product.version: 1.2.8
  dmi.sys.vendor: Alienware

** Tags added: kernel-bug-exists-upstream-4.5-rc7

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1555775

Title:
  WiFi + wired ethernet broken after suspend on Alienware 15 R2

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  With Ubuntu 14.04, and 15.10, using my Alienware 15 R2 the Intel 7265
  WiFi is broken on resume from suspend. However, after suspend, it is
  gone from network manager ("No network devices available"), from
  ifconfig, and from lshw -class Network. It works fine prior to
  suspend.

  I have tried removing the kernel module iwlwifi,before suspend and
  modprobe-ing it after, but that results in no change. I also have
  disabled wifi via the keyboard key, then suspended, then resumed, but
  still no luck. No change after installing intel-microcode either.

  Wifi does come back after resume in Windows.

  As additional data points:
  This also happens with WiFi cards Killer 1535, and Intel 8260.
  Also, the exact same thing happens to my wired ethernet connection as well (it disappears from lshw -class Network) after suspend.

  ---
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  abarry     1585 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2016-03-10 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 1bcf:2b8c Sunplus Innovation Technology Inc.
   Bus 001 Device 003: ID 8087:0a2a Intel Corp.
   Bus 001 Device 002: ID 187c:0528 Alienware Corporation
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Alienware Alienware 15 R2
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic.efi.signed root=UUID=115dc7cd-b190-4872-94bd-685ec9695732 ro noprompt persistent quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-30-generic N/A
   linux-backports-modules-4.2.0-30-generic  N/A
   linux-firmware                            1.149
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/29/2016
  dmi.bios.vendor: Alienware
  dmi.bios.version: 1.2.8
  dmi.board.name: Alienware 15 R2
  dmi.board.vendor: Alienware
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnAlienware:bvr1.2.8:bd01/29/2016:svnAlienware:pnAlienware15R2:pvr1.2.8:rvnAlienware:rnAlienware15R2:rvrA00:cvnAlienware:ct10:cvrNotSpecified:
  dmi.product.name: Alienware 15 R2
  dmi.product.version: 1.2.8
  dmi.sys.vendor: Alienware

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