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Dear OpenSUSE experts: On one of my computers (intel i7 860, with gigabyte motherboard), the mouse pointer suddenly disappeared. The first happened when I completed the update. I re-installed the ...
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  1. #1
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    lost mouse - OpenSUSE 11.2 64 bit


    Dear OpenSUSE experts:

    On one of my computers (intel i7 860, with gigabyte motherboard), the mouse pointer suddenly disappeared. The first happened when I completed the update. I re-installed the whole OpenSUSE 1.2 64 bit OS, did the update (no problem this time). After a couple of weeks, the mouse pointer suddenly disappeared again (this time, not after any update).

    However, I have another 3 computers (these are AMD Phenom II X4 955 CPUs) that also have OpenSUSE 11.2 64 bit OS installed - did not encountered this problem.

    I am not sure why this problem only happen to the i7 computer. When the mouse pointer disappears, is there a way to bring it back without going through re-installation of the OS?

    Thanks!

    phsieh

  2. #2
    Linux Guru gogalthorp's Avatar
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    Just a reboot does not bring it back?

    Is there a KVM switch involved.

    What kind of mouse?

  3. #3
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    The mouse is done by the mouse-server, called gpm.
    You can start and stop it at the command line.
    For the syntax type: gpm -h
    To start the mouse server you need to know in which folder to start it.

  4. #4
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    Hi, gogalthorp,

    Yes, this computer was connected through a KVM switch. This is the only computer that lost mouse twice, while the other 3 have never had this problem.

    I connected a delicated mouse and keyboard to this computer and then reboot. Still no mouse. I re-installed OpenSUSE to fix the problem.

    I am hoping to find a better solution to bring the mouse back without re-installing the OS.

    phsieh

  5. #5
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    Hi, linuxforever,

    I tried gpm -h, but, still does not understand how to re-start the mouse server.

    Also, how to find out which folder the mouse server starts from?

    phsieh

  6. #6
    Linux Guru gogalthorp's Avatar
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    I think you must be root to restart the driver.

    But if a reboot does not start it up, I don't know if a simple restart would do anything. Did you install any software before the problem started? Maybe a video driver.

  7. #7
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    Hi, gogalthorp,

    The first time I lost the mouse pointer was after an OpenSUSE update. However, I did not install any update/software the second time I lost the mouse pointer. I cannot recall anything obvious for the second time anyway.

    Since you mentioned the video driver. I do have issue with the video driver. The video card is ATI Radeon 5770. I was not able to install the driver from YAST2 - always got an error saying wrong checksum. I installed the video driver manually.

    I have OpenSUSE and Win 7 dual boot on this computer. I never had any issue when booting to Win 7.

    phsieh

  8. #8
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    I'm not sure if gpm is started with boot-up.
    Never sorted it out.

    However you can use it in the console with Midnight Commander for instance.
    The syntax I used with suse11 was:
    gpm -r 20 -m /dev/psaux -t ps2

    -t ps2 means a ps2 mouse-type and -r 20 the mouse speed.
    In this case I used a USB mouse, but anyway this worked.
    The folder /dev/psaux must exist or otherwise you should look what it is.
    So you should try the trial and error way.

    Maybe your problems are connected with your video driver.
    Because both are graphical devices.
    But when a mouse disappears after a couple of weeks is indeed a strange thing.

  9. #9
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    Hi, linuxforever,

    Thanks!

    I will do an update to see if mouse pointer will disappear or not. If it does disappear, then, I will try out your approach.

    I am not sure why I cannot install the video driver from yast2.

    phsieh

  10. #10
    Linux Guru gogalthorp's Avatar
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    With 11.2 there is a new method to configure Xwindows. Normally the old xorg.conf file is not needed. You can still use it though but you do more directly by sax2 at the command line or editing the xorg.conf file directly. Hopefully in the future the new method will be more reliable in detecting hardware and xorg.conf will be eliminated.

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