OpenSUSE :: 11.3 KDE - Frequent Flicker On Screen

Oct 7, 2010

openSUSE 11.3 KDE There is a frequent flicker on my screen. Some application OR notification just pops and disappears( giving an impression of a flicker ). How do i find out which application OR notification is it.

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Ubuntu :: Get Screen Flicker Randomly After Every 1 Min

May 13, 2010

I have downloaded the ver10.04. I am running it on my laptop with a NVIDIA GeForce GO 7600 128MB graphics card. I am using the NVIDIA driver on the system. The screen flickers randomly after say every 1 min. By flickering I mean it just refreshes and goes blank for say 1ms during the refresh. It happens even more if I turn on CompViz option.

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Ubuntu :: Nvidia Screen Flicker Only When SLI Is Enabled?

Jun 12, 2010

I've tried both the x86 and x64 versions of Ubuntu 10.04 and installed the current Nvidia hardware drivers on both. Everything works fine until I enable SLI with the --sli=AFR or --sli=OnOnce SLI is enabled there is extreme flickering relating to anything graphical.Including Compiz effects and any opengl software.Disabling SLI returns the compy back to it's good self.I would love to utilize SLI, however can't seem to find a solution for this bug.

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Ubuntu :: Screen Flicker After Suspend / Hibernate?

Oct 4, 2010

All is in the thread title. When I log back in after suspend or hibernate I get a lot of flickering on the screen. I noticed (I think) that it calms down a bit when streaming video from the net, if that gives any clue...

I'm using a dual boot with Vista basic/lucid lynx on an Acer Aspire 5100 laptop.

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Ubuntu :: Login Screen Flicker Then Get Normal

Mar 10, 2011

I am having a funky issue at login. When I enter my username/password at login with the GUI (I disabled the list of users some time ago) the screen will flicker then return me to the login screen. There is no notification of an error. It doesn't matter if I try the recovery console or safe mode there is the same issue when I try and login with this user. However, I can login with a different user open a console and su to that user that wouldn't login at the GUI.

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Ubuntu :: Black Screen Flicker In 11.04 / Gnome3?

Jun 16, 2011

I'm getting the occasional full-screen black flicker on my laptop, it's an Asus G73JW with an nVidia 460M card, running the restricted drivers. I've installed Gnome3, and so far like it more than Unity, but the flickering needs to stop

I've also noticed that some animations aren't as smooth as they should be, like when I hit the top-left corner to bring up the dock it studders just a wee bit.

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Ubuntu :: Power Cord Makes Screen Flicker?

May 25, 2010

I have LucidLynx installed on my eeepc 1005PE. I am currently using it under the gnome interface but i also have the notebook version of it installed (probably because i got a notebook remix of it, not quite sure). All is well except for the following: after i power up my notebook, login and i can see the panel i plug the power cord in. And the my screen starts flickering in orangeblack colors. Nothing i do seems to take it out of this state but a good old hard-reboot.

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Ubuntu Installation :: Dell Monitor Screen Flicker - How To Fix It

Sep 11, 2010

I was on earlier 9.x version of ubuntu with following configuration working perfectly: IBM ThinkPad T60 with ATI Technologies Inc Radeon Mobility X1400 VGA graphics card (found it from lspci) With an external Dell 19" monitor attached to it. I upgraded yesterday to Ubuntu 10.4 LTS and now the Dell monitor screen keeps flickering all the time! I always work with an external bigger monitor attached to my laptop as working for long hours on the smaller screen of the laptop gives me headache. The frustrating point is, this setting was working perfectly until I was on Ubuntu 9.x, I upgraded to 10.04 LTS and this has stopped working.

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Ubuntu Installation :: Distracting And Unusable Screen - Flicker In 10.10

Oct 13, 2010

Screen flicker Ubuntu 10.10
After installing Ubuntu (Version 10.10 DVD �amd 64Ubuntu 10.10 live DVD).
On the following hardware
Gigabyte GA-K8VT800-RH motherboard
3GB ram
AMD Sempron 3400 cpu.
ATI Radeon X1600 Pro Video card. 256M ddr2 AGP VGA/TV0/DV1-1
p/no 882c85-03

The screen resolution looked very good with all screen resolutions working well The colours and fonts very clear. All other device drivers worked 100%. But unfortunately the display flashes about every 10 seconds and the partial beak up of the display only lasts a fraction of a second and very distracting and is unusable. Testing with Ubuntu 10.10 live DVD. With this months Linux Format Magazine also exhibits this problem. However deleting the partition and installing Ubuntu 10.04 Beta1 DVD -386. And all updates downloaded. Works 100% with no screen flicker.

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Ubuntu :: GTX 460M: Clock Changes Make Screen Flicker?

Dec 6, 2010

My G73JW works really great except for 1 thing. A change in the performance level causes short black flickering on the display, which is absolutely inacceptable (e.g. with compiz). Setting the preferred mode to "performance" locks the performance level and helps but seems like a bad solution (batter life and heat).

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Fedora :: Frequent Random Momentary Black Screen On 12 With Radeon 3450?

Jan 3, 2010

I am having a frequent (once every 3-4 minute) random momentary black screen and it recovers after 2-3 seconds. I have notice this since the early Fedora 12, but the frequency increases lately.I have turned off the KMS, KDE power management, and screen saver, but it did not help. I have radeon 3450.

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OpenSUSE :: Get Weird Flicker In Flash Videos

Oct 26, 2010

I've noticed a weird thing with flash:

1. When playing flash videos in firefox, they'll flicker with black screen flashing for a split second over the video(This continues throughout the video)

2. However, if I do either of the following, the flicker goes away (only while doing one of these actions):

a. Continually move the mouse over the video (i.e. move back and forth in a "mouseover")

b. Put the mouse over the scrubber circle (which shows time lapsed and allows dragging to change location in video) such that the "hand" cursor appears. Once the cursor changes back to a pointer, it flickers again. but as long as I move the mouse over the scrubber circle, it'll stop the flickering (even without moving the mouse anymore) until the circle passes beyond the cursor again.

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OpenSUSE Hardware :: 11.4 - Getting Periodic Flicker On The Display

Mar 16, 2011

I recently upgraded my desktop to 11.4 and kde 4.6.1 My desktop has : VGA compatible controller: ATI Technologies Inc RS690 [Radeon X1200 Series] This is legacy ATI stuff, radeon driver loaded (as was in 11.3) and seems to be operating. I am getting a somewhat periodic (5 secs or so) flicker on the display, fast enough to be annoying but not fast enough to really affect anything.

I have seen several threads about short freezes, but realize that flicker and freeze might be a matter of speed and memory, etc. I tried suspending Desktop Effects, that may have reduced the frequency of the flicker but did not eliminate.

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OpenSUSE :: Frequent Crashes On Browsers - Flash Videos Hangs

Mar 19, 2010

I am experiencing frequent crashes for my browsers (FireFox, Opera, Konquerer). It doesn't seem to be related to the amount of tabs I have open, sometimes it will crash on 1 tab, and sometimes it is fine to have 20 tabs up. In addition to this, some flash videos hang after 3 secs.

PC spec:
OS: SuSE 11.2 (x86_64)
GUI : XFCE (KDE 4.0 back up)
Intel Q6600, 2GB Ram DDR2, 9800GX2

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Fedora Security :: User "jetty" Is World-readable - Screen Started To Flicker Some Time ?

Oct 3, 2010

This morning I ran sectool (in terminal for the first time. Before that I used sectool-gui) and I got this (written to file)...

See attachment please..

I think... the user "Jetty" may be a part of (or has something to do with SQL?).. This machine I have is not a server (in fact I know pretty much nothing about web servers).. this machine is used purely for local app development (python PyQt4/ and C++/wx - making games, general utilities, specialized calculators...etc)

So... Can anyone please tell me who the user "Jetty" is ? (The others are safe, I compiled python/SIP/PyQt4/wx/aliens from source... so that;s probably why it doesn't belong to packages.

Plus, My screen started to flicker some time (could it be possible someone is messing w/ my xorg configs?)

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OpenSUSE Hardware :: Quickcam E3500 - Colors Flicker Wildly In Separate Parts Of Image

Apr 15, 2010

I get a window that shows a broken image which shifts to the left in bits - top half, bottom quarter, etc. - and the colours flicker wildly in separate parts of the image. The shell from which it was launched gives this output: Any of the controls I try gives me errors, such as:

Set Auto Exposure on error
Set Auto Exposure on error
Set Auto Exposure on error
Set Auto Exposure on error

I closed this program and ran kopete, which showed me no image at all but gave this output on the shell: Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing.

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Ubuntu Installation :: Screen Flicker During And After Installation

Jun 15, 2010

I've just installed Ubuntu 10.4 alongside Windows. During the installation process, everything was black, then it flickered for a couple of seconds, then went black again. This happened many times. After the installation, I was hoping it would stop, but the same thing happens at the login screen. It flickers for a couple of seconds, then goes black. I figure it has something to do with my display drivers, but I don't know how to install them without using Ubuntu. If it makes any difference, I have an ATI Radeon 4890 video card.

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OpenSUSE Hardware :: Hard Disk Frequent Head Unloads - Disk Clicking Whilst Idle?

Jun 2, 2010

I created a thread about a problem a I had with my hard disk clicking whilst idle little while ago and I may now have stumbled upon a possible solution. The strange thing with the problem is that Ubuntu/Kubuntu didn't cause this problem but Opensuse 11.2 does.

I installed Fedora 13 to have a glimpse of what all the fuss was about and noticed that I had the same problem (hard disk clicking whilst idle ~ every 20 secs or so). Now there's a wiki on this subject and a few bug reports: [url]

Problem Description

Some ATA harddrives perform very frequent head unloads under Linux significantly shortening their lifespans. Root cause

The inactivity timer for head unload is configured too aggressively either via ATA APM (Advanced Power Management) feature or other non-standard means. Such aggressive settings are very fragile to changes in IO pattern and under Linux many such drives unload their heads only to re-load them shortly. Note that this relentless unloading/reloading cycle can also be triggered under Windows by installing programs which can alter the IO pattern (e.g. certain vaccine programs which runs in background).

Now two of the listed models with this problem are basically identical to my model (Dell Inspiron 1520) and basically share the same hardware: Dell Vostro 1500 and XPS 1520.

The workaround listed is to:

set APM to 254

Furthermore, there is a script: Storage-Fixup which can also be downloaded from opensuse software search. Indeed there is a report of this for a Vostro 1500: Gmane Loom

The report suggests looking at: Disk Power Management - openSUSE which lists a method to create a configuration file to management disk power management:

My question is whether I could download the storage-fixup rpm [url] has a description of it and it can be found: and install it to (hopefully) solve the issue or should I follow the method given in: Disk Power Management - openSUSE

to set APM to 254:


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Fedora :: Frequent X Crashes With KDE 4.3.x

Sep 12, 2009

Every since updating to kde 4.3, I have been experiencing frequent X crashes (1-2 times a day) whenever compositing is turned on (nvidia card). I was hoping that kde 4.3.1 would fix the issue for me, but no luck. So, I'd like to figure out what the nature of the problem is so that I can report it to the appropriate (ahem) authorities, but am not exactly sure how to dig up any useful information. The Xorg log didn't *seem* to have anything particularly informative to say about it (just a few lines about

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Debian :: Frequent Lan Connection Timeouts

Jun 9, 2015

I run a Laptop (Mint 17.1), which is connected to a Debian 8.1 server over a LAN. The systems are connected through a router. Both of them show no problems when working independently and when doing work on the internet. Also, ping works fine (no lost packets, no delays!) from Debian to Mint. However when doing a ping from the Laptop (Mint) to the Debian server, I experience frequent packet losses and timeouts. In fact, a "first" ping may lose the first 20 to 30 "tries". Thereafter, if I repeat pings immediately and quickly one after the other, they might in geral not lose packages or show delays. Ping to and from the router also works perfectly in either direction!

Of course, functions such as ssh or samba-sharing are hampered as well by this behaviour. Also, if I DO in fact manage to connect to the Debian server via ssh, my console (KDE 14) is freuqently "locked" (i.e. - doesn't show my input for a while) but in the end DOES show the characters entered and gets processed o.k. (eg. when doing an "ls"-command). Both systems are at the latest software-level and I just finished installing Debian 8.1. The situation was the same on Debian Wheezy, however.

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Ubuntu :: Frequent Segfaults In Various Programs

May 31, 2010

In LMMS, pretty much any time where pressing a key or button is supposed to do something, it can crash. Regardless of what made it crash, it always dies in the exact same way: The window just disappears, and I get the line "Segmentation fault" in the console. Usually it crashes within 15 minutes of normal use. Not even 6 hours after I downloaded the program, I had given up trying to use it. Over the next week, a couple other programs crashed with segfaults.

Most of them only crashed once (among those was Firefox). So, of course, I'm now beginning to think that maybe the problem is not with LMMS, but rather with Ubuntu. I've had very little luck getting most of these programs to crash a second time, but I did find reliable ways to reproduce the crash in LMMS and Golly, so I got debug logs of those (with backtraces and steps I took to reproduce):

What I did to make LMMS Crash:
1. After starting LMMS, created an instrument track using the Oh Synth preset (under LB302)
2. Opened the tool window for the track.
3. Dragged my cursor back and forth across the keys on the virtual piano at the bottom of said window to play them.
4. Within 3 seconds, it crashed.

Starting program: /usr/bin/lmms
[Thread debugging using libthread_db enabled]
[New Thread 0xb7d62b70 (LWP 4674)]
[New Thread 0xb2c18b70 (LWP 4677)]
[New Thread 0xb2417b70 (LWP 4678)]
[New Thread 0xb195ab70 (LWP 4680)]
[New Thread 0xb1159b70 (LWP 4681)] .....

What I Did to make Golly Crash:
1. After starting Golly, loaded the example file "Still-Lifes/eaters.rle".
2. Alternated between Space (Next Generation) and Ctrl+Z (Undo), holding each for about 1 second.
3. Within 15 seconds, it crashed.

Starting program: /usr/games/golly
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x080fd47c in UndoRedo::RememberGenFinish() ()
#0 0x080fd47c in UndoRedo::RememberGenFinish() ()
#1 0x080f855c in MainFrame::NextGeneration(bool) ()
#2 0x081124f5 in MainFrame::OnMenu(wxCommandEvent&) ()
#3 0x00621a9f in wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const () from /usr/lib/
#4 0x006c0379 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/ .....

I've tried using different governors for CPU (Conservative, Ondemand, etc.), and these crashes continued to occur. I also tried using a different kernel to no avail; the crashes occur both on 2.6.32-21-generic and 2.6.31-17-generic. How to fix whatever's causing these segfaults.

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General :: Frequent Crashing On Ubuntu 10.10 / Fix It?

Jan 17, 2011

First post here, some really useful information on the site especially for a Linux newbie like myself.

I installed Ubuntu 10.10 after Vista on a Compaq desktop not dual boot and with a completely blanked HDD, which although not the most powerful of desktops has an intel pentium dual core processor and a decent enough graphics card, enough to surpas the system requirements for linux anyway. After installing there has been alot of freezing, particularly when loading alot of programmes. It either freezes the screen completely so I cant do anything whatsoever and have to turn the computer off manually, or flashes a blank screen then goes back to the page I was previously on. However when it does this, the mouse works, but nothing responds, no keyboard shortcuts or anything. I have a feeling it may be the computer not the OS.

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General :: Desktop With Less Frequent Release Schedule?

Sep 13, 2010

I just want to know the distribution which is supported for longer time ex: Ubuntu will be supported for 18 months fedora for 14months. I repeat,I want a distribution which is stable,which I can leave without upgrading to next version for atleast 2 or 3 years. tell me other than Ubuntu LTS version

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Slackware :: Frequent Unexpected (and Not Logged) Reboots

Mar 22, 2010

I'm running a gateway - router pc with slack13 32bit on a pIII PC. I am using huge.s kernel. Apart from a firewall script, I have installed ulog deamon. I am also using the pc as a transparent proxy, a dns cache and a vpn server. So I haven't installed weird stuff. I have not installed X or any desktop environment. I get unexpected reboots however, and /var/log/messages does not state anything, not dmesg does. I am thinking of running a disk test on each disk ( one OS disk and one disk for the squid cache) and a memory test. I am not sure its a hardware issue (like the PSU, disk or RAM) because I used to let this pc ON for several weeks even before I started configuring it... and I couldn't hear anything wrong. Now I get to hear disks spinning down and up again, and even that very first boot sound you hear when you switch on the PC.

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General :: Find Directory With Frequent Writes And / Or Deletes?

Jun 20, 2011

Is there a way under linux to find out directory with frequent writes and/or deletes?

I'm using Ubuntu and recently bought SSD. I moved /tmp to ramdisk and did some other tweaks to avoid wear. But I was wondering if there's a way to pinpoint hotspots in filesystem where files are often written. For example webserver's log directory with many appends every minute or user's download directory where he downloads gigabytes of stuff only to be moved elsewhere soon after finishing.

I came across inotify which could probably do the trick but it seems it'd require lot of scripting which I'm not very familiar with

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Ubuntu / Apple :: MacBook Pro 3.1 Frequent Appletouch USB Disconnects?

Jan 20, 2010

I have an MacBook Pro 3,1 running Karmic ( 9.10 ) 64bit. The kernel is 2.6.32 patched to use the BFS scheduler. I am having issues with the touchpad and the keyboard. On occasion they stop working. It is possible that I have damaged hardware. However I would like to see if any other users report similar issues before blaming the HW. At the end of this message is what dmesg reports when this occurs.Often, before the touchpad and keyboard completely stop working they appear to stutter. They work fine then stop responding briefly then start working again.

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Ubuntu :: Frequent X Server Crashes Without Any Reason Or Pattern

Mar 31, 2010

I experience X crashes on a frequent level. First it happened with the current stable nvidia 180 driver, and the nonfree flash player (....., vimeo, etc). I replaced the stable nvidia driver with the 180-dev driver which fixed the flash problem. However it still happens that the X chashes without any reason or pattern. One time it crashed the moment I wanted to save a PDF file to my HDD downloading it with Firefox, another time it crashed while idling. I use an Alienware M15x with a nvidia 260M. Compiz is installed and active. Which other data or logs do you need?

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Ubuntu :: Disable Frequent Disk Checks In Lucid?

May 11, 2010

Since upgrading (fresh install) to Lucid, I've been having to go through disk checks about once or twice a week on boot. I'm not sure why Lucid thinks it needs to check my disk so often. I looked into it a bit, and found a command that was supposed to stop disk checks happening so often.

Code: sudo tune2fs -i 2w `mount | awk '$3 == "/" {print $1}'` is supposed to set it to 2 weeks. I used "/home" too as I have home on a separate partition and didn't want that to be checked too. All was fine until I booted up to find another disk check today. It can sometimes take over half an hour to finish and C to cancel doesn't always work either.

I always shutdown cleanly, unless Ubuntu completely locks up, which happens maybe once every six months (although it did happen yesterday, but I have rebooted it a few times since then with no checks happening until just now). Is there a way to just disable checks completely? I wouldn't mind running them manually every now and then, I just don't want to do it as often as Lucid does.

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Ubuntu Networking :: Frequent Disconnects From WPA Wireless Router

Jun 18, 2011

I'm having issue with my wireless connection. I'm not sure if it is the WPA security causing the issue, but I randomly lose connection to the router. The network manager then scans for available wireless routers for a bit before trying to reconnect to my router and asking for my wireless password again.

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Ubuntu :: Flicker In Video On New Machine?

Nov 11, 2010

I;ve just bought a new machine, and installed Ubuntu 10.10.I've installed the latest nvidia drivers [URL] & vdpau, but can't seem to get rid of the flicker in video playback. There's a horizontal band across the screen thet jumps and flickers when the camera pans. I've tried using vlc, smplayer/gmplayer and xbmc, with various video outputs selected, but I'm getting similar results in all of them.

Machine spec:

Asus M4A87TD/USB3 870 Socket AM3 8 Channel Audio ATX Motherboard
Corsair 4GB (2x2GB) DDR3 1333MHz Memory Kit Unbuffered CL9
AMD Athlon II X2 250 3.00GHz Socket AM3 2MB L2 Cache Retail Boxed Processor
Asus GeForce G210 512MB DVI VGA HDMI Out PCI-E Low Profile Graphics Card

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