** Description changed:

  Since installing Oneiric on this system I've found it is impossible to
  shutdown cleanly. There are two, possibly unrelated, symptoms:
  
  1.) Selecting shutdown from the session management menu only logs me out to 
lightdm. Selecting shutdown from the session management menu in lightdm does 
nothing.
  2.) Running 'shutdown now' from a terminal actually does seem to shut the 
system down at first, but after a while it starts flashing alternate colour 
screens (red, blue, green, white, grey etc, etc)
  
  The only way to turn the system off is to do a hard shutdown via the
  power button.
+ 
+ Update : I suspected that using the open-source radeon driver might have
+ something to do with this, so installed fglrx and rebooted. Same
+ problem, so it appears not to be gfx driver related.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-14-generic-pae 3.0.0-14.23
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
  Uname: Linux 3.0.0-14-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  brendand   2057 F.... pulseaudio
-  /dev/snd/controlC1:  brendand   2057 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  brendand   2057 F.... pulseaudio
+  /dev/snd/controlC1:  brendand   2057 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
-  Card hw:0 'Intel'/'HDA Intel at 0xd8420000 irq 48'
-    Mixer name : 'Analog Devices AD1984A'
-    Components : 'HDA:11d4194a,103c30dc,00100400 
HDA:11c11040,103c1378,00100200'
-    Controls      : 18
-    Simple ctrls  : 11
+  Card hw:0 'Intel'/'HDA Intel at 0xd8420000 irq 48'
+    Mixer name : 'Analog Devices AD1984A'
+    Components : 'HDA:11d4194a,103c30dc,00100400 
HDA:11c11040,103c1378,00100200'
+    Controls      : 18
+    Simple ctrls  : 11
  Card1.Amixer.info:
-  Card hw:1 'Device'/'C-Media USB Audio Device at usb-0000:00:1a.7-4.1, full 
speed'
-    Mixer name : 'USB Mixer'
-    Components : 'USB0d8c:0008'
-    Controls      : 5
-    Simple ctrls  : 3
+  Card hw:1 'Device'/'C-Media USB Audio Device at usb-0000:00:1a.7-4.1, full 
speed'
+    Mixer name : 'USB Mixer'
+    Components : 'USB0d8c:0008'
+    Controls      : 5
+    Simple ctrls  : 3
  Date: Thu Dec 15 08:45:34 2011
  HibernationDevice: RESUME=UUID=17696c8f-e3c6-4b65-b0b6-9ef90186a071
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MachineType: Hewlett-Packard HP EliteBook 6930p
  PccardctlIdent:
-  Socket 0:
-    product info: "RICOH", "Bay8Controller", "", ""
-    manfid: 0x0000, 0x0000
-    function: 254 (unknown)
+  Socket 0:
+    product info: "RICOH", "Bay8Controller", "", ""
+    manfid: 0x0000, 0x0000
+    function: 254 (unknown)
  PccardctlStatus:
-  Socket 0:
-    3.3V 16-bit PC Card
-    Subdevice 0 (function 0) bound to driver "pata_pcmcia"
+  Socket 0:
+    3.3V 16-bit PC Card
+    Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcEnviron:
-  LANGUAGE=en_GB:en
-  PATH=(custom, no user)
-  LANG=en_GB.UTF-8
-  SHELL=/bin/bash
+  LANGUAGE=en_GB:en
+  PATH=(custom, no user)
+  LANG=en_GB.UTF-8
+  SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic-pae 
root=UUID=00844859-f08b-41a6-95c7-92342bd6775a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.0.0-14-generic-pae N/A
-  linux-backports-modules-3.0.0-14-generic-pae  N/A
-  linux-firmware                                1.60
+  linux-restricted-modules-3.0.0-14-generic-pae N/A
+  linux-backports-modules-3.0.0-14-generic-pae  N/A
+  linux-firmware                                1.60
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/08/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PCD Ver. F.19
  dmi.board.name: 30DC
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 87.2B
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvr68PCDVer.F.19:bd06/08/2010:svnHewlett-Packard:pnHPEliteBook6930p:pvrF.19:rvnHewlett-Packard:rn30DC:rvrKBCVersion87.2B:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 6930p
  dmi.product.version: F.19
  dmi.sys.vendor: Hewlett-Packard

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https://bugs.launchpad.net/bugs/904630

Title:
  HP EliteBook 6930p can't shutdown

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