Freezing issues on Wheezy

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  • #38792

    System info:

    ii  nomachine  7.9.2-1  amd64
    Fast and secure remote access system

    3.2.0-4-amd64 #1 SMP Debian 3.2.82-1 x86_64 GNU/Linux (stock kernel)

    lsb_release -a
    No LSB modules are available.
    Distributor ID:    Debian
    Description:    Debian GNU/Linux 7.11 (wheezy)
    Release:    7.11
    Codename:    wheezy

    This is a headless VM, no Xorg running.

    So finally I decided to upgrade from 3.5 to the latest 7.9 on a 64 bit wheezy server.

    The problem is if I keep moving some windows around (doesn’t matter which app) it pulls 2 CPU cores to (nxnode.bin) 100% and the desktop freezes. Nothing useful in the nx logs.

    If I disconnect reconnect I get white screen (everything is still frozen as it was).

    I have to pkill -9 -u user to relogin.

    To reproduce this bug all you really need to do is keep moving any window.


    We just checked that specific Debian version just to make sure and everything works correctly. CPU usage is normal, sessions work fine.

    Regarding the upgrade, we can’t be sure about what happened. Did you install the free version on top of the existing legacy free version? Please submit nxinstall.log and nxupdate.log which you can find in /usr/NX/var/log/.

    After that, I recommend a complete uninstall of NoMachine and removing /usr/NX /etc/NX and /var/NX $HOME/.nx completely, then reinstalling version 7.9.2.


    I have found the curlpit, the desktop I did not mention was Fluxbox 1.3.7. I have created a new user on that box and started migrating all the software (firefox, thunderbird, terminals etc) to the new user but they were not the problem it was the window manager itself.

    There is something in the main config file (init) which causes this lockup/freeze issue. I have copied the keys file, menus file those are not the problem.

    At this point it doesn’t even matter because I just started with a clean init config but still share this maybe someone find it useful some day.

    So something in this config causes the issue.

    session.screen0.slit.onhead:    0
    session.screen0.slit.maxOver:    false
    session.screen0.slit.autoHide:    false
    session.screen0.slit.acceptKdeDockapps:    true
    session.screen0.slit.placement:    RightBottom
    session.screen0.slit.alpha:    255
    session.screen0.slit.layer:    Dock    prevworkspace, workspacename, nextworkspace, systemtray, iconbar, clock
    session.screen0.toolbar.widthPercent:    100
    session.screen0.toolbar.autoHide:    false
    session.screen0.toolbar.placement:    TopCenter
    session.screen0.toolbar.layer:    Dock
    session.screen0.toolbar.onhead:    1
    session.screen0.toolbar.maxOver:    false
    session.screen0.toolbar.visible:    true
    session.screen0.toolbar.height:    0
    session.screen0.toolbar.alpha:    255
    session.screen0.clientMenu.usePixmap:    true
    session.screen0.window.focus.alpha:    255
    session.screen0.window.unfocus.alpha:    255
    session.screen0.tabs.usePixmap:    true
    session.screen0.tabs.maxOver:    false
    session.screen0.tabs.intitlebar:    true
    session.screen0.titlebar.left:    Stick
    session.screen0.titlebar.right:    Minimize Maximize Close    255
    session.screen0.iconbar.iconWidth:    128
    session.screen0.iconbar.alignment:    Right
    session.screen0.iconbar.mode:    {static groups} (workspace)
    session.screen0.iconbar.usePixmap:    true
    session.screen0.iconbar.iconTextPadding:    10    TopLeft    64
    session.screen0.windowMenu:    /home/user1/.fluxbox/windowmenu
    session.screen0.focusModel:    ClickFocus
    session.screen0.strftimeFormat:    %d %b, %a %02k:%M:%S
    session.screen0.workspaces:    1
    session.screen0.rowPlacementDirection:    LeftToRight
    session.screen0.focusNewWindows:    true
    session.screen0.fullMaximization:    false
    session.screen0.tooltipDelay:    500
    session.screen0.autoRaise:    true
    session.screen0.maxDisableResize:    false
    session.screen0.colPlacementDirection:    TopToBottom
    session.screen0.maxIgnoreIncrement:    true
    session.screen0.windowPlacement:    RowMinOverlapPlacement
    session.screen0.allowRemoteActions:    false
    session.screen0.workspaceNames:    Workspace 1,Workspace 2,Workspace 3,Workspace 4,
    session.screen0.defaultDeco:    NORMAL
    session.screen0.showwindowposition:    false
    session.screen0.workspacewarping:    true
    session.screen0.maxDisableMove:    false
    session.screen0.opaqueMove:    false
    session.screen0.noFocusWhileTypingDelay:    0
    session.screen0.clickRaises:    true
    session.screen0.menuDelay:    200
    session.screen0.edgeSnapThreshold:    10
    session.screen0.tabFocusModel:    ClickToTabFocus
    session.styleFile:    /usr/share/fluxbox/styles/Operation
    session.colorsPerChannel:    4
    session.autoRaiseDelay:    250
    session.forcePseudoTransparency:    false
    session.ignoreBorder:    false
    session.appsFile:    /home/user1/.fluxbox/apps
    session.configVersion:    13
    session.cacheLife:    5
    session.slitlistFile:    /home/user1/.fluxbox/slitlist
    session.cacheMax:    200
    session.tabsAttachArea:    Window
    session.tabPadding:    0
    session.keyFile:    ~/.fluxbox/keys
    session.menuFile:    ~/.fluxbox/menu
    #session.styleOverlay:    /home/user1/.fluxbox/overlay
    session.doubleClickInterval:    250


    There are 2 other problems (which were not present with 3.5) with it, namely the toolbar does not extend to the end of the desktop and the windows extremely sensitive to move to other workspaces, meaning if you just move them a bit left or right it jumps all over the 4 workspaces but that does not belong to this topic as its not related to the crash.


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