[Bug 792007] Re: natty suspend & hibernate hang with nfs home directory

[Oliver Joos]

My /home is on the local harddisk. I just have an NFS share mounted in
/mnt/ which blocks pm-suspend.

I confirm the findings of Chris: the NetworkManager disconnects too
early. If suspend has been blocked I am always able to login and enter
"sudo service network-manager restart". Then sleep continues
successfully and also resume works as expected!

Adding "umount /mnt/my-nfs-share" to the scripts in usr/lib/pm-
utils/sleep.d/ works but does not solve the blocking. I guess
Networkmanager gets detached via dbus before these scripts are executed.

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Title:
  natty suspend & hibernate hang with nfs home directory

Status in “nfs-utils” package in Ubuntu:
  Confirmed

Bug description:
  I have a system running a fairly fresh installation of Natty. It used
  to do both suspend and hibernate just fine. Now I have moved the /home
  directory to NFS4 and neither suspend nor hibernate work. The system
  seems to 'hang'. The screens stay black. Sometimes you can switch to a
  text console and reboot the system with Ctrl+Alt+Delete, but often
  that also just hangs.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: linux-image-2.6.38-8-generic 2.6.38-8.42
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  casandro   1894 F.... pulseaudio
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd3220000 irq 43'
     Mixer name	: 'Analog Devices AD1882'
     Components	: 'HDA:11d41882,80861003,00100300'
     Controls      : 41
     Simple ctrls  : 24
  Date: Thu Jun  2 21:07:39 2011
  HibernationDevice: RESUME=UUID=d326560c-e385-4579-ad6f-16318a08281e
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
  ProcEnviron:
   LANGUAGE=de_DE:en
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=b0ea53f7-8755-4a90-9e96-d0e6e7824d0f ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-2.6.38-8-generic N/A
   linux-backports-modules-2.6.38-8-generic  N/A
   linux-firmware                            1.52
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/13/2009
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: CBQ4510H.86A.0083.2009.0513.1002
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DQ45CB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAE30148-205
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrCBQ4510H.86A.0083.2009.0513.1002:bd05/13/2009:svn:pn:pvr:rvnIntelCorporation:rnDQ45CB:rvrAAE30148-205:cvn:ct3:cvr:

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