LXpanel flicker and Menu listings...

[kgas]

Of late I noticed these two issues.
1. Menu window (Application Graphics etc is there) suddenly becomes just a dot and no application can be selected.
A logout and log in solve this issue.

2. The LXpanel suddenly starts flickering and nothing can be selected and even Alt+F2 did not work. The solution was to
switch to another terminal, remove the panel setting file from /home/<user>/.config/lxpanel/LXDE/panels/ folder and switch back
to LXDE.

The icon set is Mashup. Any help to resolve this issue permanently.

[maces]

Hi

What version of LXPanel are you using? I guess 0.3.999, right? 1) For the menu problem try this fix. 2) Could you post the Terminal output when this happens? Have you tried to compile the latest svn?

maces

[kgas]

you are right. The version is 0.3.999. My OS (distro) is Arch Linux and it is from the repo. The solution what I applied is somewhat the same but not thro' a script.

[dedhart]

The flickering panel seems to be related to the netstat plugin. Best solution I know seems to be to compile the panel without it. Try this PKGBUILD:

Code: Select all

# $Id: PKGBUILD,v 1.19 2009/01/26 15:15:08 angvp Exp $
# Maintainer: Geoffroy Carrier <geoffroy.carrier@koon.fr>
pkgname=lxpanel
pkgver=0.3.999
pkgrel=1
pkgdesc="Panel of the LXDE Desktop"
arch=('i686' 'x86_64')
license=('GPL2')
url="http://lxde.org/"
groups=('lxde')
depends=('gtk2' 'alsa-lib' 'menu-cache' 'lxmenu-data')
source=(http://downloads.sourceforge.net/sourceforge/lxde/${pkgname}-${pkgver}.tar.gz)
md5sums=('ba966c76811f2057198470567099d97d')
build() {
	cd "$srcdir/$pkgname-$pkgver"
	./configure --sysconfdir=/etc --prefix=/usr --with-plugins=netstatus,volume,volumealsa,cpu,deskno,batt,kbled,xkb,thermal || return 1
	make || return 1
	make DESTDIR="$pkgdir" install || return 1
}

[Texstar]

Of late I noticed these two issues.
1. Menu window (Application Graphics etc is there) suddenly becomes just a dot and no application can be selected.
A logout and log in solve this issue.

2. The LXpanel suddenly starts flickering and nothing can be selected and even Alt+F2 did not work. The solution was to
switch to another terminal, remove the panel setting file from /home/<user>/.config/lxpanel/LXDE/panels/ folder and switch back
to LXDE.

The icon set is Mashup. Any help to resolve this issue permanently.

I have the same issue with lxpanel-0.3.999 flickering when launching various applications such as IglooFTPpro. I've been able to track it back to the Taskbar (Windows List) segfaulting. I dont know if this will help anyone but my syslog shows Mar 30 01:12:32 localhost kernel: lxpanel[3348]: segfault at 18000ca ip b7a6a8ff sp bfc2ae10 error 4 in libgdk_pixbuf-2.0.so.0.1400.7[b7a60000+19000]

[knedlyk]

I had the same issue with lxpanel-svn (I'm using archlinux). I tried to solve it, but the best solution was to rebuild lxpanel package without the netstatus plugin. Instead netstatus plugin I used netstat plugin and it works great with my wlan interface (I have two interfaces, eth0 and wlan0, wlan0 is my default and primary interface for internet). I forgot to mentin, that panel flickering starts only with the wlan interface, and caused by netstatus plugin which probably is unstable.

[Marty Jack]

The netstatus plugin should not be used. It is a known source of panel instability. One of the developers is rewriting it.

[komcumir]

The first question
I have a solution in the wiki does not work

Here is my solution:
1. Сreate a file /usr/bin/fixmenu

#!/bin/sh
killall -s KILL lxpanel
file=`find ~/.cache/menus -name "*" -type f`
rm ${file}
lxpanel -p LXDE

2. Make it executable.

3. Сreate a file ~/.config/autostart/fixmenu.desktop

Code: Select all

[Desktop Entry]
Encoding=UTF-8
Type=Application
Name=fixmenu
GenericName=
Exec=/usr/bin/fixmenu
Terminal=false
Categories=System;

[deftone]

Sorry for bumping up old thread, but found cause of this problem (maybe it will be handy for someone).
In my case (debian testing/lxde 0.5.5.1) Lxpanel is placed on top.
Because of bug, I removed menu button from panel.
And right after it, I saw segfaults and flickering.

Put it back. and now I have both run dialog and no flickering.