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[ahau <saerdnah@xxxxxxxx>]

@ Christopher M. Penalver

Please note: In the meanwhile I've renamed my machine from 'fish' to
'faro'.

The backlisting ofthe i82975x_edac module has helped: No  shutdown hangs
have  occurred since then.

Regards
ahau

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https://bugs.launchpad.net/bugs/1372006

Title:
  pci_devices does not terminate at computer shutdown

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Shutdown does not halt on my Dell Precision 390
  the shutdown sequence prints on the console:

  mount: / is busy

  /etc/init.d/sendsigs does not terminate systemd-udevd

  Only solution: enable and use ALT-SYSREQ REISUB (to keep the root fs
  clean)

  I tried to change GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub  (+
  update-grub):

  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=pci"  or
  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=bios" or
  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash acpi=force

  Shutdown still hangs with 'mount: / is busy'
  I even updated the BIOS from 2.0.4 to 2.06, no luck.

  When booting from a Knoppix 6.0.1 CD with a 2.6 kernel,  shutdown
  works and halts the system to poweroff state.

  Any ideas?

  Thanks
    ahau

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pm-utils 1.4.1-13ubuntu0.1
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  Date: Sun Sep 21 02:58:10 2014
  ExecutablePath: /usr/lib/pm-utils/power.d/pci_devices
  InstallationDate: Installed on 2014-09-19 (1 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  InterpreterPath: /bin/dash
  OmitPids: 11761 308 302 11767 723 714 11890 11767 723 714 11890
  PackageArchitecture: all
  ProcCmdline: /bin/sh /usr/lib/pm-utils/power.d/pci_devices false
  ProcEnviron:
   LC_COLLATE=C
   PATH=(custom, no user)
  SourcePackage: pm-utils
  Title: pci_devices does not terminate at computer shutdown
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ah         1767 F.... pulseaudio
   /dev/snd/controlC0:  ah         1767 F.... pulseaudio
   /dev/snd/pcmC0D0p:   ah         1767 F...m pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=2ff7652a-bac0-4a58-9f2e-5a098c2b32b8
  InstallationDate: Installed on 2014-09-19 (80 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Dell Inc. Precision WorkStation 390
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic root=UUID=589a1e9f-d159-489a-98a1-6774885a8669 ro
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-37-generic N/A
   linux-backports-modules-3.13.0-37-generic  N/A
   linux-firmware                             1.127.10
  RfKill:
   
  Tags:  trusty
  Uname: Linux 3.13.0-37-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 05/19/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 2.6.0
  dmi.board.name: 0DN075
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr2.6.0:bd05/19/2008:svnDellInc.:pnPrecisionWorkStation390:pvr:rvnDellInc.:rn0DN075:rvr:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision WorkStation 390
  dmi.sys.vendor: Dell Inc.

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