Andy Barry, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555775/comments/58
regarding you no longer have the hardware. For future reference you can
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** Changed in: linux (Ubuntu)
Importance: Low => Undecided
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1555775
Title:
[Dell Alienware 15 R2] WiFi + wired ethernet broken after suspend
Status in linux package in Ubuntu:
Invalid
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.
WORKAROUND: cat /etc/pm/sleep.d/alienware_pci_rescan
#! /bin/sh
# This script rescans the PCI bus after resume from suspend to fix
# broken WiFi, wired ethernet, and the card reader on the Alienware 15 R2.
case $1 in
resume|thaw)
echo 1 > /sys/bus/pci/devices/0000\:00\:1c.4/rescan
echo 1 > /sys/bus/pci/devices/0000\:00\:1c.5/rescan
echo 1 > /sys/bus/pci/devices/0000\:00\:1c.6/rescan
;;
esac
---
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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