Alt+Tab don't works in my system

Looks to be a keyboard configuration related issue. Hence, it is being assigned to 'xkeyboard-config'...

On Wed, Apr 29, 2009 at 07:47:00AM -0000, teju wrote:
> Looks to be a keyboard configuration related issue. Hence, it is being
> assigned to 'xkeyboard-config'...
>
> ** Package changed: ubuntu => xkeyboard-config (Ubuntu)

Can you please explain in what manner it is an issue in
xkeyboard-config?

@Marcelo,

What setting do you normally have in System::Preferences::Appearance::Visual Effects?
Does ALT-TAB work if you set it to NONE?
Does ALT-TAB work if you set it to NORMAL?

Also please run these two commands:
gconftool-2 -R /apps/metacity > metacity_gconf_all.txt
gconftool-2 -R /apps/compiz > compiz_gconf_all.txt
(and then attach the files metacity_gconf_all.txt and compiz_gconf_all.txt to the bug report)

Finally, can you please run this command to give us a bit more data:
apport-collect 368661

Martin, Visual Effects NONE not works Alt-Tab.
I don't can set to NORMAL Visual Effects, I give a error that don't can activate normal effects.

I run apport-collect 368661 too.

Architecture: i386
DistroRelease: Ubuntu 9.04
Package: xkeyboard-config
ProcEnviron:
 SHELL=/bin/bash
 LANG=pt_BR.UTF-8
ProcVersion: Linux version 2.6.28-11-generic (buildd@palmer) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009
Uname: Linux 2.6.28-11-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lp lpadmin plugdev sambashare vboxusers video

Hi Marcelo. This is not a bug in Ubuntu, it's a configuration issue on your machine.
You have "switch_windows = disabled" in your metacity gconf and it should be "switch_windows = <Alt>Tab".

You might have had this already in intrepid without noticing because back then you were using the compiz window manager instead of metacity (however in 9.04 we disabled DRI on your chipset due to nasty bug so you fell back from using compiz to metacity). If you're interested in the details of this, check out this bug:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/317457

Sorry for this. I'm cannot imagine that was config. I will make in my notebook too, it have same problem.
Thanks for all.

This bug looks somewhat similar to bug 400718.