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Thread: Precise known bugs with workarounds

  1. #31
    Join Date
    Feb 2005
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    13

    Re: Precise known bugs with workarounds

    Worker blows up if you try to use it with AVFS from the repo. The problem is with AVFS - it has a string operation that triggers Fortify... unfortunately, Foritify isn't very user friendly in that it deliberately crashes programs that trigger it. The idea is that the person runs the program in dbg which catches the crash deliberately caused by Fortify and then traces it back to the string operation that Fortify didn't like. But what it amounts to for the average user is programs which used to work now go BOOM for no apparent reason.

    The workaround for this is to recompile avfs from source with Fortify turned off.

    Grab the latest source for AVFS.

    Code:
    sudo apt-get install build-essential liblzma-dev libfuse-dev
    ./configure --enable-library
    in its "Makefile" change:

    Code:
    CPPFLAGS =  -D_FILE_OFFSET_BITS=64 -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -D_GNU_SOURCE
    to:

    Code:
    CPPFLAGS =  -D_FILE_OFFSET_BITS=64 -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -D_GNU_SOURCE -D_FORTIFY_SOURCE=0
    then:

    Code:
    make
    sudo make install
    At that point, you can install Worker from the repo and it will work fine.
    Last edited by JLF65; May 5th, 2012 at 07:40 PM.

  2. #32
    Join Date
    Aug 2006
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    576

    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    Quote Originally Posted by mihoo View Post
    Code:
    sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
     sudo apt-get update
     sudo apt-get install nvidia-current=295.33-0ubuntu1~precise~xup1
    I have info - version "295.33-0ubuntu1~precise~xup1" for "nvidia-current" does not exist
    Nvidia have just released a new stable driver "295.49" to address the problems with "295.40".
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  3. #33
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    Nov 2006
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    Melbourne (Victoria, OZ)
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    925
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Precise known bugs with workarounds

    As odd as it sounds, this DeVeDe-Mencoder "fix" also worked for me. What I mean by that is since I don't usually use DeVeDe for encoding, just the DVD authoring, I wouldn't have thought switching back to Mencoder would have made a difference (since the authoring is handled by DVDAuthor). And nothing appears wrong with FFMPEG, as I actually use that to encode to DVD-compatible files, via tovidGUI.
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  4. #34
    Join Date
    May 2008
    Location
    United Kingdom
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    4,380
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Precise known bugs with workarounds

    Quote Originally Posted by mendhak View Post
    Sometimes LightDM (the login screen) won't let you log in.
    Quote Originally Posted by Zukaro View Post
    Default Ubuntu wallpapers will also become the login screen wallpaper (if used as your desktop wallpaper). This is a feature, however, it doesn't work with custom wallpapers (which is a bug).
    You cannot log in if your home folder is encrypted, because LightDM cannot get hold of the wallpaper. Zukaro's method is a solution to that.
    Full system encryption with dual-boot —— Full Circle Magazine —— Problems with WINE?
    In my day, we had the outdoors in which to run, play, and socialise. Now people use computers for that.

  5. #35
    Join Date
    Aug 2006
    Beans
    17

    Re: Precise known bugs with workarounds

    Quote Originally Posted by mathiflip View Post
    very annoying indeed! I fixed it by going to CCSM -> unity plugin and on the tab 'switcher' uncheck the second box before 'Bias alt-tab to prefer........'
    I don't have Unity installed on my system (and I don't want to install the whole thing).
    How can I install this unity plugin for compiz?

  6. #36
    Join Date
    May 2008
    Location
    United Kingdom
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    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Precise known bugs with workarounds

    Quote Originally Posted by bigoten View Post
    I don't have Unity installed on my system (and I don't want to install the whole thing).
    How can I install this unity plugin for compiz?
    No, no, no... you don't want the Unity plugin if you don't have Unity! It would mess up your system.

    Unity (and the Unity plugin) come with Ubuntu 11.04, 11.10 and 12.04.
    Full system encryption with dual-boot —— Full Circle Magazine —— Problems with WINE?
    In my day, we had the outdoors in which to run, play, and socialise. Now people use computers for that.

  7. #37
    Join Date
    Apr 2007
    Beans
    32

    Re: Precise known bugs with workarounds

    Quote Originally Posted by mathiflip View Post
    very annoying indeed! I fixed it by going to CCSM -> unity plugin and on the tab 'switcher' uncheck the second box before 'Bias alt-tab to prefer........'

    Someone already had a solution for the super+w function?
    It seems this is one of a general set of problems. Finding windows from other workspaces has been deliberately removed in 12.04. I've started a thread to try to find a general solution, workaround, or community pressure to have this design decision reverted...

    http://ubuntuforums.org/showthread.php?t=1976347

    My particular bug-bear is that Scale/Spread of windows now cannot show windows from all workspaces/desktops.

  8. #38
    Join Date
    Apr 2011
    Location
    Germany
    Beans
    38
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    Quote Originally Posted by whatthefunk View Post
    Crap Nvidia driver included on .iso. Solution is to remove any proprietary drivers and then revert to old Nvidia driver.

    Code:
    sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
     sudo apt-get update
     sudo apt-get install nvidia-current=295.33-0ubuntu1~precise~xup1
    Reboot and you should be good to go.
    This will get you the old proprietary nvidia driver. However, for some nvidia graphic cards even this fails because compiz crashes when trying to start Unity-3D. (However, Unity-2D should work, at least it did in my case.)

    WARNING! If you can start Unity-3D without problems DON'T run the following commands if you don't know what you're doing since it can break your 3D graphics acceleration!

    A workaround that did help me was to completly remove proprietary drivers and use nouveau instead:

    Code:
    sudo apt-get remove --purge nvidia-*
    You also might have to remove a custom xorg.conf created by the driver or yourself:

    Code:
    sudo rm /etc/X11/xorg.conf
    The xorg.conf will be automatically recreated after rebooting if required.

    This way I could start Unity-3D without Compiz crashing and an alright 3D acceleration provided by the open-source nouveau driver.
    Last edited by CharlesA; May 9th, 2012 at 12:37 AM. Reason: bolded and coloured warning

  9. #39
    Join Date
    Oct 2009
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    New Hamsha
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    Kubuntu 13.04 Raring Ringtail

    Re: Precise known bugs with workarounds

    Bug:
    The package nvidia-173 won't be installable until the Xorg team rewrites some ABI code.

    Workaround:
    Use nouveau.
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  10. #40
    Join Date
    Oct 2009
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    Hidden!
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Precise known bugs with workarounds

    Quote Originally Posted by haqking View Post
    Just so we have the workaround in this thread:

    Run this from a terminal:
    Code:
    sudo nano /etc/NetworkManager/NetworkManager.conf
    Change the line that says:
    Code:
    dns=dnsmasq
    To:
    Code:
    #dns=dnsmasq
    Restart Network Manager:
    Code:
    sudo service network-manager restart
    Verify /etc/resolv.conf does not say: nameserver 127.0.0.1

    Code:
    cat /etc/resolv.conf
    Last edited by CharlesA; May 10th, 2012 at 05:31 PM. Reason: fixed typos
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