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[Bug 871413] [NEW] No Ethernet after resume from sleep

 

Public bug reported:

After suspending to RAM, when I restart the computer I have no ethernet connection.
The hardware is a Sony VAIO laptop. The KDE networkmanager applet shows 'cable unplugged' for the ethernet connection, but the cable is definitely connected.
Three further pertinent points:
1. If I sleep and then resume almost immediately, the problem does not occur. I have to leave the laptop in sleep mode for at least an hour
2. Doing a 'restart' from the KDE menu after this, the computer boots up with no network interface at all, except for loopback. I have to do a full shutdown-power off-restart cycle to get ethernet back
3. This is a regression, as it was definitely working about a week ago so some recent update has broken it

I'll attach the full syslog output later

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: network-manager 0.9.1.90-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Sun Oct  9 19:31:08 2011
Gconf:
 
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
IpRoute:
 default via 192.168.2.1 dev eth0  proto static 
 169.254.0.0/16 dev eth0  scope link  metric 1000 
 192.168.2.0/24 dev eth0  proto kernel  scope link  src 192.168.2.7  metric 1
Keyfiles: Error: [Errno 2] No such file or directory
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: yes
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oneiric

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https://bugs.launchpad.net/bugs/871413

Title:
  No Ethernet after resume from sleep

Status in “network-manager” package in Ubuntu:
  New

Bug description:
  After suspending to RAM, when I restart the computer I have no ethernet connection.
  The hardware is a Sony VAIO laptop. The KDE networkmanager applet shows 'cable unplugged' for the ethernet connection, but the cable is definitely connected.
  Three further pertinent points:
  1. If I sleep and then resume almost immediately, the problem does not occur. I have to leave the laptop in sleep mode for at least an hour
  2. Doing a 'restart' from the KDE menu after this, the computer boots up with no network interface at all, except for loopback. I have to do a full shutdown-power off-restart cycle to get ethernet back
  3. This is a regression, as it was definitely working about a week ago so some recent update has broken it

  I'll attach the full syslog output later

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: network-manager 0.9.1.90-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  CRDA: Error: [Errno 2] No such file or directory
  Date: Sun Oct  9 19:31:08 2011
  Gconf:
   
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
  IpRoute:
   default via 192.168.2.1 dev eth0  proto static 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.2.0/24 dev eth0  proto kernel  scope link  src 192.168.2.7  metric 1
  Keyfiles: Error: [Errno 2] No such file or directory
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: yes
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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