Comment 53 for bug 762203

try this:
1) startup pc, at grub menu choose recovery kernel mode
2) at console menu (that with red backgroud) choose "resume normal"
3) login at console with your account
4) in console sudo service gdm start
5) do login in gnome
7) now try to shutdown or reboot from menu

let me know....this work for me, but annoying :(

2011/8/25 Stan Schymanski <email address hidden>

> I am having the same issue on my Dell Latitude E6320 and 2.6.38-11-generic
> kernel, and it is very reliable now. Every time I want to reboot, the screen
> goes blank and nothing happens. Do search for some relevant log messages, I
> did it step by step: 15:14 requested reboot, 15:21: forced shut down by
> holding down the power button, 15:25 boot.
> I could not find anything relevant for the critical time between 15:14 and
> 15:21 in the log files. The kernel logging wtopped at 15:14, and the syslog
> only shows:
> Aug 25 15:14:42 sppc26 kernel: Kernel logging (proc) stopped.
> Aug 25 15:14:42 sppc26 rsyslogd: [origin software="rsyslogd"
> swVersion="4.6.4" x-pid="794" x-info="http://www.rsyslog.com"] exiting on
> signal 15.
> Aug 25 15:25:39 sppc26 kernel: imklog 4.6.4, log source = /proc/kmsg
> started.
> ...
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/762203
>
> Title:
> Computer is not turned off at shutdown
>
> Status in “linux” package in Ubuntu:
> Confirmed
>
> Bug description:
> I upgraded Maverick to Natty about two weeks ago. Since then, my computer
> does not turn off itself. So, I click in the upper right corner (I'm running
> Gnome2) and click Shut Down. All programs are closed, I see the Ubuntu logo
> (and I can click Esc to see the terminal during shutdown).
> At some point, I notthing seems to happen anymore and the computer stays
> on. I press CTRL-SysReq REISUB. The computer restarts and I press the power
> button to power off the computer.
>
> I would love to help solving this bug, so which log files do you need?
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.04
> Package: linux-image-2.6.38-8-generic 2.6.38-8.42
> Regression: Yes
> Reproducible: No
> ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
> Uname: Linux 2.6.38-8-generic x86_64
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: ernstblaauw 2133 F.... pulseaudio
> /dev/snd/controlC3: ernstblaauw 2133 F.... pulseaudio
> /dev/snd/controlC2: ernstblaauw 2133 F.... pulseaudio
> /dev/snd/controlC1: ernstblaauw 2133 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
> Card hw:0 'Intel'/'HDA Intel at 0xfe7f8000 irq 45'
> Mixer name : 'Realtek ALC888'
> Components : 'HDA:10ec0888,14627512,00100001'
> Controls : 34
> Simple ctrls : 20
> Card1.Amixer.info:
> Card hw:1 'Camera'/'Camera at usb-0000:00:1a.0-1, full speed'
> Mixer name : 'USB Mixer'
> Components : 'USB046d:08f0'
> Controls : 3
> Simple ctrls : 2
> Card2.Amixer.info:
> Card hw:2 'U8501'/'LG-Nortel Co. Ltd USB Phone 8501 at
> usb-0000:00:1d.7-4.1, full speed'
> Mixer name : 'USB Mixer'
> Components : 'USB1be1:0030'
> Controls : 1
> Simple ctrls : 1
> Card2.Amixer.values:
> Simple mixer control 'Headset',0
> Capabilities: cswitch cswitch-joined penum
> Capture channels: Mono
> Mono: Capture [on]
> Card3.Amixer.info:
> Card hw:3 'CMI8768'/'C-Media CMI8768 at 0xe800, irq 16'
> Mixer name : 'CMedia PCI'
> Components : ''
> Controls : 41
> Simple ctrls : 22
> Card4.Amixer.info:
> Card hw:4 'HDMI'/'HDA ATI HDMI at 0xfe8ec000 irq 46'
> Mixer name : 'ATI R6xx HDMI'
> Components : 'HDA:1002aa01,00aa0100,00100100'
> Controls : 4
> Simple ctrls : 1
> Card4.Amixer.values:
> Simple mixer control 'IEC958',0
> Capabilities: pswitch pswitch-joined penum
> Playback channels: Mono
> Mono: Playback [on]
> Date: Fri Apr 15 23:19:26 2011
> Frequency: Once a day.
> HibernationDevice: RESUME=UUID=27cac63b-5a29-4c3f-a9f2-8218a51be4d4
> InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100122)
> MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7512
> ProcEnviron:
> LANGUAGE=en_US:en
> PATH=(custom, user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
> root=UUID=0f104604-00b2-4b97-962f-b48f8c29db01 ro quiet splash
> acpi_osi=Linux 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 1.50
> RfKill:
> 0: phy0: Wireless LAN
> Soft blocked: no
> Hard blocked: no
> SourcePackage: linux
> UpgradeStatus: Upgraded to natty on 2011-03-26 (20 days ago)
> dmi.bios.date: 03/09/2009
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: V3.4
> dmi.board.asset.tag: To Be Filled By O.E.M.
> dmi.board.name: P45 Neo2-FR (MS-7512)
> dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
> dmi.board.version: 1.0
> dmi.chassis.asset.tag: To Be Filled By O.E.M.
> dmi.chassis.type: 3
> dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
> dmi.chassis.version: 1.0
> dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrV3.4:bd03/09/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7512:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnP45Neo2-FR(MS-7512):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
> dmi.product.name: MS-7512
> dmi.product.version: 1.0
> dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
>
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>