I have the same problem, but I DO NOT use Fast User Switch applet at all. I also have two accounts: victor and test, and the difference between them is that one works with Compiz-Fusion, while another uses Metacity.
Ubuntu 7.10
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uname --all
Linux ubuntu-desktop 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux
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lspci | grep -i vga
01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 MX 440] (rev a3)
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dpkg -l | grep -i nvidia
ii nvidia-glx 1:1.0.9639+2.6.22.4-14.10 NVIDIA binary XFree86 4.x/X.Org driver
ii nvidia-kernel-common 20051028+1ubuntu7 NVIDIA binary kernel module common files
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The above notice about actual login form being behind the white wall is correct. Entering the password blindly worked for me as well.
I have the same problem, but I DO NOT use Fast User Switch applet at all. I also have two accounts: victor and test, and the difference between them is that one works with Compiz-Fusion, while another uses Metacity. 2.6.22. 4-14.10 NVIDIA binary XFree86 4.x/X.Org driver kernel- common 20051028+1ubuntu7 NVIDIA binary kernel module common files
Ubuntu 7.10
--------
uname --all
Linux ubuntu-desktop 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux
--------
lspci | grep -i vga
01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 MX 440] (rev a3)
--------
dpkg -l | grep -i nvidia
ii nvidia-glx 1:1.0.9639+
ii nvidia-
--------
The above notice about actual login form being behind the white wall is correct. Entering the password blindly worked for me as well.