Fedora :: Graphical Glitch In Gnome Shell - Only Appears When The Icons Fade
Aug 3, 2011
I've only recently started using Fedora a couple months ago. I used Ubuntu for a few years before. I'm posting because I have a strange graphical glitch in gnome shell. For some reason, this glitch did not appear when I was using Gnome 3 with ubuntu, and I didn't notice it on the F15 Live CD.
There appears to be an artifact (looks like a crack) in my shell. It only appears when the icons fade if I'm scrolled down in the applications menu. Similar artifacts appear in the gnome shell notifications, such as the messaging notifications. I have a ATI Radeon HD 3650 graphics card and am using the default drivers. NOT the proprietary fglrx/catalyst/whatever driver. I've attached a pic.
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Mar 28, 2011
it usually happens when i use firefox (does not happen with other browsers like opera or chrome) to visit, for example, videos. where it should be pitch black, screwed up parts of the video or another multimedia program (such as second life) show up. it has happened on white colors as well. here are some shots. i did not take them using print screen since, strangely, print screen does not seem to capture this glitch. i am using ubuntu 10.10 on a 1 gb nvidia 9500gt.
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Apr 16, 2011
I've been having trouble trying to install ubuntu (and mint linux too) - I have the same problem with either version.
It's an Acer T180 tower PC, when I come to install it'll go through the motions of setting up the drive, copying files and then downloading/installing language packs. Randomly though between copying files and downloading/installing language packs it will just sit there and freeze. Sometimes it will just freeze and stay on the same image, other times it will freeze and what's best described as a window blinds effect will go across the whole screen. Either way the PC stops responding.
I've tried multiple downloads of iso files (ubuntu and then mint) - running on usb and also running from cd and dvd - same issue each time. I've made sure that the username is lowercase too (just in case).
The other thing I've tried is removing the separate nvidia graphics card and using just the internal one (again an nvidia card). Ubuntu will prompt that there are restricted drivers available - doesn't matter whether I install them or not - it still freezes just the same.
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Apr 4, 2011
So I've upgraded from Lenny to Squeeze, which has been a tadge more interesting than I would like, but there it is. But I've got one problem that is eluding me still. When I load up, but before login, my second monitor displays what I can only describe as a glitched-up memory of something it was displaying before, unless it has been turned off and turned back on again (as opposed to restarted), in which case it displays a very bizarre tiled image. I can't help but feel this is something obvious I've missed.
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Apr 28, 2011
I've been having this glitch since Maverick. I hoped installing Narwhal would solve it (clearly not), I like Ubuntu, but this makes the OS frustrating and pretty much unusable, forcing me to stick with Windows.
The glitch appears randomly but mostly within 5-10 minutes after booting.
Another thing : when you want to screenshot the glitch, it usually gives you a perfect image, with everything OK. I have no idea why it worked now. I have a Packard Bell Dot M Netbook.
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Jun 4, 2011
Does anyone using Kdenlive know how to reset the colors? For a six minute project within the last couple of days my fade to black has become fade to red. I noticed it after a dist-upgrade. Nothing obvious has caused this. I've purge and installed, no change.
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Jun 19, 2011
I have lost some icons from my desktop, they are, firefox, yast, thunderbird, emacs, the space and the names are still there, and when I hover the mouse over the space, it is highlighted as it should be. The application opens and runs as normal when I click on the space where the icon should be. The icons are also missing from the favorites bar on the left side and also from the panel top left when the app is running.I have tried, rebuilding the icon cache in 'usr/share/icons/hicolor', and also all othercon caches for that matter, and no difference. I tried uninstalling and installing the app, no differenence. I tried changing themes and icons from Tweak Tool, no difference. As far as I can see the icons are there in the hicolor directory
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Mar 26, 2011
Just installed gnome-Shell in Natty Narwhal. the only problem know is that all the icons have disappeared and the theme has gone to a more "basic" look. No matter what desktop session I choose (Unity, Gnome-Shell, Classic) I can't change anything back since the "appearance" menu seems to have been removed while gnome-shell was being installed.
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Apr 28, 2011
I used the official PPA to change to Gnome Shell in Natty; it all works well (after sorting out the theme) and pleased I can stick with Ubuntu and the latest Gnome, but...
I am missing the bluetooth and power icons (top-right), anybody know how I could get those back?
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Oct 21, 2010
When Ambiance is selected as the theme, the broadcast box in the "Me Menu" is black text on a near black background. Changing the "Input Boxes" color changed the color of that boxes background on every theme except Ambiance. The problem seems to be with having "Controls" set to Ambiance, because having any other theme customized with Ambiance controls selected causes this bug again.
I really don't want to use any of the other themes because I find them horrid in comparison. how to fix this bug, or if someone would be kind enough to post a proper bug report for this? Can anyone else recreate this error on theirs?
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May 26, 2011
is there some wiki page on GNOME or Fedora that list which graphics cards work without problems on Fedora 15 with GNOME Shell? I have tried 3 older cards and they all failed, so I would like to share this info with others so people know which cards to avoid if they want to use full features of GNOME 3 via GNOME Shell.
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Apr 14, 2011
When it launches, sometimes a few mins later, the upper left of the screen (where gnome-terminal sits) freezes and becomes unresponsive. The cursor always stays as the 'text entry' cursor when in the region. If I alt-drag the window and close, nothing changes.It only goes away when I right click the area (even if I have moved/closed the terminal window) I have terminal options so I select 'close' then the screen resumes.
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Mar 16, 2011
I did remove my top ubuntu panel and I searched on this site [url] but when I run the code on terminal the top panel appears without any icons plz help me to back the original panel setting.
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Jun 13, 2011
In Fedora Core 15 using Gnome 3, the font(s) used to label each icon on the desktop looks bad on my LCD monitor. It looks like small parts of the letters are missing. Can this font be improved?
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Aug 15, 2010
One of the last nagging issues i'm having with F13, and it's because of a 50k config editor that is inexplicably absent from a 675mb .iso......or am I mistaken?
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Nov 5, 2010
How in the world can I turn off the icons in my gnome menu? they are already "unchecked" by default in gconf so what is the secret here? are they just on forever if i like it or not or what?
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Jun 4, 2011
Running gnome 3 with the nvidia driver.
Intermittently I loose the icons in the menus, they all go black.
I can see the pop-up message / text if I float my mouse where the icons should be, but do not see the icons.
This obviously makes it hard to use the menus =)
If I log out and back in the icons come back.
The icons do NOT come back if switch user or restart gnome (alt-F2 -> r).
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Nov 19, 2009
I have noticed in my pc (i386) and my ps3 (ppc64) under FC12 gnome 2.28 that some icons from some menus doesn't always appear, like in:
Places: Connect Server | Search for Files
System: all
"User name": all
Is this some sort of bug? Or I have done something wrong?
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Feb 12, 2011
I just did a clean install of fedora 14 on a dell precision 690 (multiprocessor system, with buckets of memory--16gb). It is old, but a great machine. It is dual boot to windows, but that is probably irrelevant. Note, the reason I did the clean install was the exact problem I report here had cropped up on this system running fedora 14, but I was having kluged together the system after grub issues, so i blamed it on something unrelated and hoped a clean install would solve this.
After installing the system, running updates, etc., I installed open office, and virtualbox. I then set up two virtual machines in virtual box, both Win XP, and added my favorite windows applications. that may not be relevant, but that is the history. I added a couple pieces of high end software too, which required some odd libraries--libgdal and libexpat.
After a couple of of days of using the machine, I tried to run open office (after having used it several times, and logged off several times) and it wouldn't execute. I then realized that all of my desktop icons had disappeared. I then experimented and realized several other applications wouldn't execute from the gnome applications menu. however, I could execute anything I wanted from the command line in a terminal.
I read a suggestion in the forums to create a new user. painful process, but that did indeed solve the problem (temporarily). But then the problem repeated with the new user. So now, this really sucks and I'm cursing fedora. After consulting my linux geek brother, I tried something else--I loaded kde, and tried that. (btw--why doesn't ctl-alt-backspace allow you to switch windows managers in this linux?)
Anyway, kde works fine with everything except open office--it still won't run for some reason, even in kde.
Strangely, my virtual machines worked throughout all this. that is, I could execute virtualbox from gnome, everything runs fine.
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Oct 12, 2010
I accidentally deleted the default icons in the gnome panel on the top right. I tried to get them back from the add to panel. I went through every program I could, but none of the original programs were found. I'm running fedora 13.
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Nov 19, 2009
Before I begin I would like to say that while I am not a Linix newbie, I am not a guru or even a regular user so don't assume I have anything more than general Linux knowledge. I am carrying out research involving virtualization and Single Sign On technologies and I need to display a Xen based virtual machine to the desktop before the user is logged in. This is for a demonstration system and I am trying to find a solution that involves the least amount of system modification possible.I found a PAM module that allows for the invocation of arbitrary shell scripts which would allow me to start and display the virtual machine in question, but when trying to run the virt viewer (or any process with graphical output) I am informed that the display cannot be found. Explicitly setting the DISPLAY env to :0 before running the command has no effect.
This is where my Linux knowledge runs out. I know that there has to be some way to connect to the X session being used by the greeter, I just don't know what that method involves. The shell script is running with root privileges, so it can access whatever "X credentials" are stored locally.
I will be thankful for any assistance this forum might be able to provide, but please do not suggest alternatives to displaying a VM for my SSO needs, and please avoid any solution that involves having to write my own custom greeter. If there is absolutely no way to accomplish what I am trying to do without greeter modifications definitely tell me, but I am a security researcher, not a Linux developer so I am looking for the easiest solution to implement, even if that solution is a gross hack.
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Jun 29, 2011
Is there any easy way to do that in gnome shell with a key shortcut or setting it up like in gnome2 days with a hotspot?
ctrl + alt + d - should minimise all windows and focus the desktop - but it's not working for me?
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Jul 26, 2011
I'm using F15 and I have big problem. Sometimes GNOME-Shell is taking too much CPU, and my computer is slowing down. This is "top".
Code:
[kuba@Kuba-fedora ~]$ top
top - 16:08:18 up 2:05, 2 users, load average: 0.45, 0.49, 0.43
Tasks: 159 total, 3 running, 156 sleeping, 0 stopped, 0 zombie
Cpu(s): 29.2%us, 2.8%sy, 0.0%ni, 67.1%id, 0.5%wa, 0.0%hi, 0.4%si, 0.0%st
[Code].....
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Jun 3, 2010
I feel like this is a RTFM question, so if anyone wants to just direct me to the right manual, that's fine.
I just installed gnome-shell and i cant seem to find anyway to customize anything, esp. the task bar, the clock, et cetera
is there a preferences gui or something that I cant find? I feel like i'm trying to use a mac....
It seems pretty sweet, but, i dont know how to get used to not having a window list... i dont wanna pull up the "activities window" or alt tab every time i want switch windows (esp when my hand is used to just moving to the top of the screen and clicking on the right window...
There's this autohide taskbar at the bottom of the screen, but i cant for the life of me figure out what it's for, or how to put things on it....
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Jun 8, 2010
I see in Ubuntu 10.04 there is a PPA repository for latest gnome-shell, and it contains a newest version, the included in fedora 13 is older.
Is there a repository out there with the latest gnome-shell?
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Dec 11, 2010
it's my first time using gnome-shell and i like it so much but i notice that i lost 'menu' button in nautilus and GIMP[URL]
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May 28, 2011
Just did an update to gnome-shell.x86_64 3.0.2-1.fc15 and now the shell extensions don't work.
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Jun 5, 2011
Seems many icon themes still don't really play nice with gnome shell. They work totally fine for the most part, except the tray icons, they like to change them to their own monochrome icons which usually look bad (and most of the time not even all of them are changed). Is there a way to make any icon theme use the default gnome shell symbolic icons? Right now I am using elementary and its mostly fine, but it changed the battery icon to an ugly smaller version. I'd love to be able to change it to the default icon.
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Jun 5, 2011
I've been googling such terms as "Gnome Shell Developer Reference", etc, and poking around developer.gnome.org; and i can't seem to find documentation on how to code interface elements against the gnome shell for javascript / xHTML / css. Does anyone know where they keep it, or am i completely misunderstanding that aspect of the new gnome hell, in that you only use js to do themes, but not plugins or inteface changes?
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Jun 7, 2011
Sooner or later you may experience a Gnome shell lock up. After two weeks of daily use I experienced my first one today: the cursor turned to a hand, and no amount of clicking and pressing Esc would have any effect; Windows key didn't bring Activities in focus either. If you experience these or similar symptoms you can restart the gnome-shell in order to unlock the Gnome session:
1) pass to a console (press Ctrl+Alt+F2)
2) log in
3) execute: ps -ef | grep gnome-shell in order to find the gnome-shell process id (PID); the output may look something like
[Code]...
Pressing Ctrl+ALt+F1 (or, if that doesn't work -- Ctrl+ALt+F7) should take you back to the Gnome session. You should see the restarted gnome-shell. (You can now return to the console, log out from the console, and return to the Gnome session).
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