I have also the same issue, but I have a Realtek card. Running ubuntu
15.10 and after suspend or restart it is saying network cable unplugged
very often. And network seems to go down everytime you suspend.
Unpluggin and plugging it sometimes help, but you may need to do it
multiple times.
Here is my network card information:
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:06:00.0
logical name: enp6s0
version: 02
serial: e0:cb:4e:70:1c:91
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list rom ethernet physical tp mii
10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169
driverversion=2.3LK-NAPI duplex=full ip=192.168.1.70 latency=0 link=yes
multicast=yes port=MII speed=100Mbit/s
resources: irq:28 ioport:e800(size=256)
memory:fbeff000-fbefffff memory:f8ef0000-f8efffff memory:fbec0000-fbedffff
And I am having this kind of messages in dmesg:
r8169 0000:06:00.0 enp6s0: link down
[ 812.236808] IPv6: ADDRCONF(NETDEV_UP): enp6s0: link is not ready
[ 1065.789186] IPv6: ADDRCONF(NETDEV_UP): enp6s0: link is not ready
[ 1065.789313] Failed to recover vector for irq 28
[ 1065.799353] r8169 0000:06:00.0 enp6s0: link down
[ 1065.799395] IPv6: ADDRCONF(NETDEV_UP): enp6s0: link is not ready
[ 1174.573575] IPv6: ADDRCONF(NETDEV_UP): enp6s0: link is not ready
[ 1174.573708] Failed to recover vector for irq 28
[ 1174.584636] r8169 0000:06:00.0 enp6s0: link down
[ 1174.584676] IPv6: ADDRCONF(NETDEV_UP): enp6s0: link is not ready
[ 1196.290919] r8169 0000:06:00.0 enp6s0: link up
[ 1196.290931] IPv6: ADDRCONF(NETDEV_CHANGE): enp6s0: link becomes ready
[ 1288.122309] r8169 0000:06:00.0 enp6s0: link down
[ 1292.840986] r8169 0000:06:00.0 enp6s0: link up
[ 1293.086834] r8169 0000:06:00.0 enp6s0: link down
[ 1295.367146] r8169 0000:06:00.0 enp6s0: link up
[ 1349.102757] r8169 0000:06:00.0 enp6s0: link down
[ 1354.569764] r8169 0000:06:00.0 enp6s0: link up
[ 1496.447962] r8169 0000:06:00.0 enp6s0: link down
[ 1517.072913] r8169 0000:06:00.0 enp6s0: link up
[ 2528.507279] lpc_ich 0000:00:1f.0: BAR 13: [io size 0x0080] has bogus
alignment
[ 2528.507288] pci 0000:00:1e.0: PCI bridge to [bus 08]
[ 2557.675540] lpc_ich 0000:00:1f.0: BAR 13: [io size 0x0080] has bogus
alignment
[ 2557.675551] pci 0000:00:1e.0: PCI bridge to [bus 08]
[ 3003.140722] r8169 0000:06:00.0 enp6s0: link down
[ 3021.111219] r8169 0000:06:00.0 enp6s0: link up
(Note I removed my network card multiple times, and I was trying to restart the
network sometimes with sudo /etc/init.d/network-manager restart)
I read somewhere this may be a buggy Realtek driver. Or some other
issue, but seems to be very similar symptomps than the OP had.
Any advice? File a separate bug report?
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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:
Triaged
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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