[Bug 112518] Re: Switch User freezes at blank screen

[vrull]

I discovered the same problem. After the steps, described at the first post, the screen goes black with the only mouse cursor moving. The system seems running OK, as the cursor may change its shape, when presumably hovering text fields, but it is impossible to get out of that state.
The system is Ubuntu 8.10 Intrepid, kernel: Linux ubuntu-desktop 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux; video card NVidia GeForce4 MX440 AGP 4x, 64MB VRAM, driver 96.43.09-0ubuntu1, Compiz-Fusion is running. Monitor is Philips 220WS and screen resolution is 1680 * 1050.

Extract from /etc/X11/xorg.conf
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Philips 220WS"
    HorizSync       30.0 - 93.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce4 MX 440"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "AddARGBGLXVisuals" "True"
    Option         "TwinView" "0"
    Option         "TwinViewXineramaInfoOrder" "CRT-0"
    Option         "metamodes" "1680x1050_60 +0+0; 1680x1050 +0+0; 1280x1024 +0+0; 1024x768 +0+0; 800x600 +0+0; 640x480 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

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Switch User freezes at blank screen
https://bugs.launchpad.net/bugs/112518
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