Very slow log in and log off for user

Linda haniganwork at
Tue Dec 16 14:42:26 UTC 2014

On 12/13/2014 08:26 AM, Linda wrote:
> I installed Lubuntu 14.04 LTS on a new HP Pavillion 
> (500-C6)   AMD A6 8GB SDRAM AMD Radeon HD 8400 Graphics.
> It takes quite a while to go from login user password to 
> showing the icons on the  desktop and allowing you to 
> start a terminal window. It also takes minutes to  respond 
> choosing logout of the application menu in the left corner 
> or the shutdown icon in the right corner.
> I<snip>
>                Linda
   Although I haven't figured out the answers to all my 
questions I thought I would post the solutions I found.
   Getting rid of network manager and doing networking by 
hand did speed up login and got rid of lots of error 
messages from my logs. I use static ipaddresses for my system

*Set up Ip address this is done in /etc/network/interfaces 
along with gateway like this*

    auto eth0
    iface eth0 inet static
    address ipaddress
    *gateway ipaddress

*Set up nameservers*
*nameserver **ipaddress*
*nameserver **ipaddress*
*nameserver **ipaddress*

Although I could not get the logout dialogue box to come up 
in a reasonable amount of time I did come up with a work 
around that log you off immediately with no redundant 
questions about if you really want to log off

To quit using the ldxsession dialogue that takes forever to 
launch replace it

cd /usr/bin

sudo cp lxsession-logout
sudo rm lxsession-logout

sudo vi lxsession-logout

Put the following lines in the file


-9 -f lxsession|

save file

sudo chmod gou+x lxsession-logout

The parts I haven't found any answers to are
How to fix these
    [drmm:radeon_acpi_init] ERROR cannot find a backlight 
   There is a note  saying Please enable IMMOU in Bios any 
suggestions on where to find this.


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