Lucid switchuser causes black screen

[NoOp]

On 07/31/2010 11:25 PM, emigrant wrote:
> On Thu, 2010-05-27 at 11:18 -0700, NoOp wrote:
>> On 05/27/2010 06:53 AM, emigrant wrote:
>> > On Tue, 2010-05-25 at 20:27 -0700, NoOp wrote:
>> >> On 05/24/2010 07:36 PM, arshad wrote:
>> ...
>> >> > no i'm using ati.
>> >> > 
>> >> ...
>> >> 
>> >> I finally just filed a new bug for my issue under the nvidia-96 package:
>> >> <https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/585685>
>> >> 
>> >> 
>> > 
>> > on a side note,
>> > im not only getting black screen,
>> > sometimes i get freeze in the login screen once i hit enter after giving
>> > the password for my a/c. (the display is still visible)
>> 
>> That sounds like a ATI KMS/Plymouth issue. You might try booting with
>> 'radeon.modeset=0' in your linux line (grub2) or kernel line (grub1) and
>> see if that changes anything.
>> 
>> https://wiki.ubuntu.com/X/KernelModeSetting
>> https://launchpad.net/+search?field.text=radeon.modeset%3D0
...
> 
> guys,
> 
> 
> 
> Add radeon.modeset=1 to the end of the line GRUB_CMDLINE_LINUX_DEFAULT=.
> in /etc/default/grub.
> 
> https://wiki.ubuntu.com/X/KernelModeSetting
> 
> i dont' know whether this is relevent or not. but it seems the problem
> has gone now.. :D
...

Arshad, cool!.
Do you have a link to bug etc for the recommendation?