unclean shutdown causes lucid stop booting

[Tapas Mishra]

On Wed, Feb 9, 2011 at 5:32 PM, Tapas Mishra <mightydreams at gmail.com> wrote:
> On Wed, Feb 9, 2011 at 5:05 PM, Alan Pope <popey at ubuntu.com> wrote:
>> On 9 February 2011 11:32, Tapas Mishra <mightydreams at gmail.com> wrote:
>>> Now I am not able to boot to 10.04
>>
>> ^^ This is insufficient detail to diagnose the problem.
>>
>> What happens?
>
>> Do you get a grub menu?
> Grub comes
>> What option did you choose?
> Ubuntu with kernel  vmlinuz-2.6.32-24-generic
>
> Just to answer your question I mounted the 10.04 partitions here in
> 9.04 and to my surprise I see menu.lst missing
> and this one is a desktop environment I see /etc/grub/
> has nothing other than 20_memtest86+
>
> I choose the Ubuntu 10.04 option to which I was referring to.
>> Have you tried recovery mode?
> Yes but I do not know in recovery mode what to do.
>> What happens in recovery mode?
>
> I am able to get root shell and but gnome does not start.
> daemon.log shows following
>
> Feb  9 16:56:51 tapas vmnetBridge: Started bridge virbr0 to virtual network 0.
> Feb  9 16:56:51 tapas gdm-simple-slave[1108]: WARNING: Unable to open
> session: Failed to execute program
> /lib/dbus-1.0/dbus-daemon-launch-helper: Success#012
> Feb  9 16:56:51 tapas gdm-simple-slave[1108]: WARNING: Could not spawn
> command: Failed to execute child process "/usr/bin/dbus-launch"
> (Permission denied)
> Feb  9 16:56:51 tapas gdm-simple-slave[1108]: WARNING: Unable to
> launch D-Bus daemon: Failed to execute child process
> "/usr/bin/dbus-launch" (Permission denied)
> Feb  9 16:56:52 tapas vmnet-dhcpd: Internet Software Consortium DHCP Server 2.0
> Feb  9 16:56:52 tapas gdm-simple-slave[1108]: WARNING: Could not spawn
> command: Failed to execute child process "/usr/bin/gnome-session"
> (Permission denied)
> Feb  9 16:56:52 tapas gdm-simple-slave[1108]: WARNING: Could not start
> command '/usr/bin/gnome-session
> --autostart=/usr/share/gdm/autostart/LoginWindow/': Failed to execute
> child process "/usr/bin/gnome-session" (Permission denied)
>
>
> Let me know if any other log can be helpful I will post.
> --
I tried
dpkg-reconfigure xserver-xorg
and
dpkg-reconfigure gdm
on recovery mode but that did not worked.