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Thread: Panel slow to open and network flaky

  1. #1
    Join Date
    Dec 2006
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    Detroit
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    Distro
    Ubuntu 10.04 Lucid Lynx

    Panel slow to open and network flaky

    Since a couple days ago, the top and bottom gnome panels take a long time (~25 secs) to appear. At the same time, Firefox now starts up in offline mode, and has to be put in online mode to work.
    Based on some threads, I tried setting /etc/NetworkManager/nm-system-settings.conf from
    Code:
    [ifupdown]
    managed=false
    to
    Code:
    [ifupdown]
    managed=true
    But the problem persists.
    I also thought it might be related to a gconf setting so I created a new test user but the test user also has a long time to wait for the panels.

    Any thoughts or leads?

  2. #2
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    Ubuntu 10.04 Lucid Lynx

    Re: Panel slow to open and network flaky

    Update: The networking seems fine but the panel is slow to appear and slow to launch Evolution. What's odd is that *my* account does not have the problem - the panels show up right away - but every other user, including the new test user - does have the slow-to-appear panels.

  3. #3
    Join Date
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    Re: Panel slow to open and network flaky

    Quote Originally Posted by reedk View Post
    Update: The networking seems fine but the panel is slow to appear and slow to launch Evolution. What's odd is that *my* account does not have the problem - the panels show up right away - but every other user, including the new test user - does have the slow-to-appear panels.
    Yes, I'm experiencing the same problem with the panel. We have 5 accounts on the PC and only one seems to load the panel normally, the rest take half a minute to load the panel.

    This seems like a common bug and I guess it will go more common as more users update their systems......................

  4. #4
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    Ubuntu 10.04 Lucid Lynx

    Re: Panel slow to open and network flaky

    Another thread (Panel takes ages to load on login with Lucid) talked about re-creating your existing panel and then deleting the original. I'll try that this afternoon and post the results. Evolution seems to take a long time to load as well; I can't tell if that related.

  5. #5
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    Re: Panel slow to open and network flaky

    Try removing the date/time applet from your panel and trying again. This worked for me (at the cost of no longer having the date displayed). If that does it for you too I will file a bug.

  6. #6
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    Re: Panel slow to open and network flaky

    Argh - gnome-panel is sooo flaky!

    frequently it takes ages, or doesn't start. (I actually have a keyboard shortcut to restart the panel, it's that frequent a problem).

    when it does start, i'm usually (yes, not *often*, but actually *usually*) missing an applet or two, most commonly the date/time applet. also common is losing the indicator applet (and trashing ~/.gconf/apps/panel/applet_0/%gconf.xml - my indicator applet keys - so it won't come back)

    sometimes when it starts, it tops out my processor and I have to restart it.

    working on multiple monitors is a nightmare - the applets are in a different order every time I change my desktop resolution.

    the upshot of all this is that I have to restart, log out/log in, restart gnome-panel anything up to half a dozen times until it's all working, every time I log in. Frankly, it's embarrassing!

    so far my best solution is to have a script (accessibly from a keyboard shortcut or a tiny GUI bound to a keyboard shortcut) which trashes the relevant gconf settings, rebuilds them from a correct backup, and then restarts the panel. This has (approximately) a 50% success ratio, but it's an improvement.

    It's worth noting that most of these problems have been with me one way or another since I began using Ubuntu and Gnome, with Feisty, (especially the applets shuffling around - gconf's 'panel_right_stick' flag just won't stay set) but they're clearly worse for me under Lucid.

    sorry for the rant, but i feel a little better! this frustrates me every single day.

    I have a whole mess of crap in my $HOME/.xsession-errors - i'm posting some stuff that looks like it might be relevant. if anyone else has similar problems, perhaps you could do the same, and maybe we can find some clues

    Code:
    I/O warning : failed to load external entity "/home/simon/.compiz/session/104bee8ad5fc5de0d1127682790415659500000037120037"
    compiz (cube) - Warn: Failed to load slide: /usr/share/gdm/themes/Human/ubuntu.png
    compiz (cube) - Warn: Failed to load slide: /usr/share/gdm/themes/Human/ubuntu.png
    
    (polkit-gnome-authentication-agent-1:3838): GLib-GObject-WARNING **: cannot register existing type `_PolkitError'
    
    (polkit-gnome-authentication-agent-1:3838): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
    
    (gnome-power-manager:3823): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.24.1/gobject/gsignal.c:2273: signal `proxy-status' is invalid for instance `0x1ae4320'
    ** Message: adding killswitch idx 0 state 1
    ** Message: killswitch 0 is 1
    ** Message: killswitches state 1
    ** (bluetooth-applet:3840): DEBUG: Unhandled UUID 00001120-0000-1000-8000-00805f9b34fb (0x1120)
    ** Message: killswitch 0 is 1
    ** Message: killswitches state 1

  7. #7
    Join Date
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    Re: Panel slow to open and network flaky

    ah - after wading through a little more, this seems to be more relevant:

    Code:
    (gnome-power-manager:2590): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
    
    (nautilus:2589): GLib-GObject-WARNING **: invalid cast from `NautilusWindowPane' to `NautilusNavigationWindowPane'
    X Error of failed request:  BadDamage (invalid Damage parameter)
      Major opcode of failed request:  158 (DAMAGE)
      Minor opcode of failed request:  3 (XDamageSubtract)
      Serial number of failed request:  35677
      Current serial number in output stream:  35678
    ** Message: Active session changed
    gnome-settings-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    
    (polkit-gnome-authentication-agent-1:2603): polkit-gnome-1-WARNING **: Error enumerating temporary authorizations: Remote Exception invoking org.freedesktop.PolicyKit1.Authority.EnumerateTemporaryAuthorizations() on /org/freedesktop/PolicyKit1/Authority at name org.freedesktop.PolicyKit1: org.freedesktop.PolicyKit1.Error.Failed: Cannot determine session the caller is in
    
    ** (gnome-user-share:3186): WARNING **: Couldn't request the name: Unable to find session for cookie
    gtk-redshift: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    gtk-window-decorator: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    parcellite: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    nm-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    polkit-gnome-authentication-agent-1: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    bluetooth-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    gnome-screensaver: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    dropbox: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    gtkdialog: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    gdu-notification-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0"
          after 227 requests (226 known processed) with 0 events remaining.
    applet.py: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
    The application 'gnome-panel' lost its connection to the display :0.0;
    most likely the X server was shut down or you killed/destroyed
    the application.
    
    
    ** (gnome-panel:3145): WARNING **: panel-applet-frame.c:1273: failed to load applet OAFIID:GNOME_ClockApplet:
    System exception: IDL:omg.org/CORBA/COMM_FAILURE:1.0
    
    (scim-panel-gtk:3665): Gtk-WARNING **: cannot open display: :0.0
    evolution: Fatal IO error 111 (Connection refused) on X server :0.0.
    anyone seen this before?

  8. #8
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: Panel slow to open and network flaky

    I checked and I don't have error messgaes like you do. have you checked fur PolicyKit bugs in LaunchPad?
    Offtopic: Ubuntu has a lot of polish, good fit and finish, for a Linux desktop. What it lacks is stability and consistency. And if it weren't for the family getting used to Gnome while I avoided the 4.0 evolution, I'd have KDE on their desktop as well (and not have this problem).

  9. #9
    Join Date
    Apr 2009
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    29

    Re: Panel slow to open and network flaky

    Quote Originally Posted by reedk View Post
    Try removing the date/time applet from your panel and trying again. This worked for me (at the cost of no longer having the date displayed). If that does it for you too I will file a bug.
    Yes the problem is in the date/time applet...

  10. #10
    Join Date
    Apr 2009
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    Re: Panel slow to open and network flaky

    I've opened a new bug on launchpad:
    https://bugs.launchpad.net/ubuntu/+s...ts/+bug/599140

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