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[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1338603

Title:
  fglrx deb postrm script hangs indefinitely

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I just installed fglrx  (2:13.350.1-0ubuntu3)  on Utopic.
  It causes a CPU hang (see Bug 1338177), so I wanted to remove it.

  Running: 
    sudo apt-get purge fglrx fglrx-amdcccle 
  silently hangs, indefinitely.  The prompt just never returns (not even with Ctrl-C).

  I tracked the bug down to this script:
  /var/lib/dpkg/info/fglrx.postrm  
  whose process I was able to kill, and dpkg then continued (to a non-graceful exit);

  --
  Purging configuration files for fglrx (2:13.350.1-0ubuntu3) ...
  dpkg: error processing package fglrx (--purge):
   subprocess installed post-removal script was killed by signal (Terminated)
  Errors were encountered while processing:
   fglrx
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  ---

  The offending line in the postrm script is this one:
  update-rc.d atieventsd remove >/dev/null

  Having commented it out, I was then able to re-run the 
  sudo apt-get purge fglrx fglrx-amdcccle
  successfully.

  
  The root cause seems to be that the command:
    /usr/lib/insserv/insserv
  will sit there interminably, inactively, and unkillably.
  even sudo killall -9 insserv   won't stop it.

  To fully recover from the insserv hang, I had to shut down the machine, with shutdown -h now, 
  and even that didn't fully go down; I had to eventually physically reset the box.

  
  There are really 3 bugs here:

  1. The fglrx package cannot be gracefully uninstalled.
  2. insserv needs to be killed with fire.
  3. the kernel's reboot or shutdown commands fail if a process like insserv is stuck in the "D" state.
  --- 
  ApportVersion: 2.14.4-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC3:  rjn        2616 F.... pulseaudio
   /dev/snd/controlC2:  rjn        2616 F.... pulseaudio
   /dev/snd/controlC0:  rjn        2616 F.... pulseaudio
   /dev/snd/controlC1:  rjn        2616 F.... pulseaudio
  DistroRelease: Ubuntu 14.10
  HibernationDevice: RESUME=UUID=dd46a6f0-bcb8-4e75-b77d-6158117027ac
  InstallationDate: Installed on 2014-07-06 (0 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
  IwConfig:
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.15.0-6-generic root=UUID=591b7866-2111-434a-8423-b79bbf373c85 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.15.0-6-generic N/A
   linux-backports-modules-3.15.0-6-generic  N/A
   linux-firmware                            1.132
  RfKill:
   
  Tags:  utopic
  Uname: Linux 3.15.0-6-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 07/01/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4105
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P8Z68-V LX
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4105:bd07/01/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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