OpenSUSE :: Performace Decrease When SLI Enabled?
Oct 20, 2010
Initially i was on kubuntu 10.10 with kde 4.5.x and i realized that animations throughout kde stunk. For example, the kickoff menu would raise and lower very jerky. So thinking this was a kubuntu or even a kde 4.5.x problem, I made a switch to opensuse 11.3 and kde 4.4.x. After install i noticed that all animations, including the menu raising and lowering, where very smooth and crisp (like they should be). I later realized I wasn't even using all my hardware's power so I put my two gtx 460s in SLI=auto. After a reboot I realized that once again all animations got jerky again . This leads me to believe,and for good reason, that kde's visual performance is degraded with SLI enabled.
Ps: installed kde 4.5.2 and still same problem
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Apr 21, 2011
I was setting up a new 11.4 system and disabled ip6 as we don't use it. After that I couldn't get X11 forwarding working. After searching around for a while, I found this topic [URL] ssh-x11-forwarding.html which at the end mentions enabling ip6. Magically, after doing that and rebooting I can now do X11 forwarding again. Just seems strange that IP6 is needed for X11 forwarding.
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May 11, 2011
I'm trying to decrease the tcp TIME_WAIT state which, from what I understand, occurs on the host that initiates the closing of a socket by sending a packet with the FIN bit set. Most people say to change /proc/sys/net/ipv4/tcp_fin_timeout to a lesser value. I have tried this many times and it makes no difference. The TIME_WAIT's still linger for ~ 60 seconds. This link says that it actually adjusts the FIN-WAIT-2 state and I think they're right.[URL]
Quote:
/proc/sys/net/ipv4/tcp_fin_timeout
Time to hold socket in state FIN-WAIT-2, if it was closed by our side. Peer can be broken and never close its side, or even died unexpectedly. Default value is 60sec. Usual value used in 2.2 was 180 seconds, you may restore it, but remember that if your machine is even underloaded WEB server, you risk to overflow memory with kilotons of dead sockets, FIN-WAIT-2 sockets are less dangerous than FIN-WAIT-1, because they eat maximum 1.5K of memory, but they tend to live longer. Cf. tcp_max_orphans.
Here's what the netstat man page says about these two different states:
Quote:
TIME_WAIT
The socket is waiting after close to handle packets still in the network.
FIN_WAIT2
Connection is closed, and the socket is waiting for a shutdown from the remote end.
how to actually decrease the TIME_WAIT state?
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Mar 21, 2010
I have a recently installed openSUSE 11.2. I am attempting to install from the openSUSE source repository with the Software Manager. By default this repository is not enabled, so I opened the configuration window and enabled it. Although the repository is enabled, Software Manager does not populate the Package Listing panel with available package and hence I cannot install source RPM packages.
I can, however, access the repository via HTTP and download packages although I don't yet know how to install individual packages. The repository URL as preconfigured in Software Manager is: Index of /source/distribution/11.2/repo/oss Again, Software Manager seems not to access this repository but I can access it directly via HTTP.
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Jul 6, 2010
I am new to Fedora, and I noticed when I opened my home folder that I only had 54GB. My HD is 120, and when I used the disk utility, I noticed that 64GB are in ext4! What?! This was not a problem in Ubuntu, so why has it happened now? Is there anyway I can decrease the size of ext4 and give some of it to Fedora?
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Aug 9, 2010
There seems to be quite a craze about reducing the Ubuntu boot times to 10 seconds. I never really reached the 10 second mark.. for me it was more like 30 seconds from when I selected Ubuntu in GRUB to when I was prompted to type in the password in GDM. First of all, is this what is meant by boot time? Secondly, I know this already is quite a good 'boot' time, but just for the sake of tinkering around, is it possible to reduce the time that elapses between the GRUB menu and GDM?
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May 19, 2011
The track pad on a Macbook Pro 8.3 is hypersensitive and interprets the lightest touch as a click. Even brushing the track pad with the sleeve of my shirt counts as a click. How do I decrease the sensitivity of the track pad?
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Feb 1, 2011
I am running Arch on a Sony Vaio 64-bit computer with an ATI Mobility Radeon HD 4650 graphics card (xf86-video-ati installed).
I am attempting to decrease screen brightness; I have tried editing /proc/acpi/video/VGA/LCD/brightness (gives me: "write error: Invalid argument") and xbacklight -set <value> (gives me: "No outputs have backlight property").
Anyone know how I could decrease LCD brightness?
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May 13, 2011
I have an issue with few servers. All have OEL 5.5 and various versions of oracle (mainly 10g something).
I've noticed on one machine that amount of free memory is slowly decreasing. When it comes to less then 30M, application has problems. Ive tried adding mem on this machine (virtual), and it behaves the same.
The same is on physical machines I have simmilar, if not the same config. Variations are with physical memory installed, and it does not matter if servers have 2G, or 8G, free -m gives around 30 free
It does not swap, and does not make some big issues on other machines, but on this one, application that uses this DB timeouts the user. Is there some chance to check what is creating this issue?
P.S. I've tried with DB admin to check something related to oracle itself, bit when we shutdown instance, Oracle frees 1.5G allocated to him, but nothing else. Will try testimg a bit more, but any thought on this is usefull. This is production server, so no big issues can be done. Will try to copy it to other hardware and do some testing, but then no App server available to attack it.
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Apr 16, 2011
On F12 and sure need to upgrade. Way back when I first had a bad disk on the "system" disk that was 80G, I only had a 200G lying around. Next time that happened my other 200G wasn't "big" enough it said, so I put a 500G in there. Now it seems I got more bad blocks etc but I need to lower the size 'cos I don't want to put a 1Tb HDD in there. My question from all of this is, how do I decrease the image so I can put it all on a smaller HDD?
Used space on the system disk's partitions is about 30G, so an 80G disk should be sufficient. What I can think of is that I need to "move" all data to the "beginning" of the HDD, then make an image of it but and the entire disk, just the data. I've tried that with no luck since the image seem to get as big as the HDD, hence why I always needed to increase the HDD all the time.
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Feb 1, 2011
Cannot start muse : Denormal protection enabled
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Feb 16, 2011
I installed Libreoffice from the openbuild service and I observed the following when using Librecalc:
1. Lag time when opening a file.
2. Decreased performance when opening more than one file.
3. Windows freezing when minimizing or maximizing them, or moving them.
4. Windows freezing when using the tiling feature and dragging the cursor to one of the screen edges.
I disabled java and everything works perfectly. Is this the proper course of action? From what I read, I really only need java for the database program.
I am experiencing this behavior on my work computer which is running Opensuse 11.3 KDE 4.6 on a windows network.
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May 13, 2011
I've never got if, after enabling the 3d acceleration in virtualbox and installing the guest additions in safe mode, you still need to install the original drivers (catalyst in my case). Do know that by chance?
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May 21, 2011
After upgrading from 11.3 the system can not wake up from suspend/hibernate because the power button is not enabled.
Code:
> dmesg | grep -i acpi | grep 8.13
[ 8.136013] ACPI: Power Button [PWRB]
[ 8.136462] ACPI: Lid Switch [LID0]
[ 8.136579] ACPI: Power Button [PWRF]
[Code].....
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Jun 20, 2010
I just bought used IBM Thinkpad T60 with come with Intel Core 2 Duo 1.66Ghz. After I check with Intel, it's is T5500 which is EM64T enabled, so I can use 64bit OS. Then I upgrade the RAM to the MAX = 4GB PC 5300 DDR2.
g3ck0@linux-l90k:~> cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU T5500 @ 1.66GHz
stepping : 6
cpu MHz : 1000.000
[Code]...
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Apr 11, 2011
I have an old laptop (asus M6 ca. 6 year old) with dual boot linux windows. Untill Saturday linux=suse 11.0, Saturday I have made an upgrade to opensuse11.4.
I have boot up/down many times almot everything was working properly except the battery status ... I have thought .. "I'll think about it later".
Then out of the blue on sunday my laptop does not boot anymore, the boot hangs. I then have realized taht the failsafe boot was working properly.... ok I have remembered the wrong battery signal and tried the normal boot + acpi=off .. and .. it boots!
OK, the acpi is the problem. I have never made an update of my BIOS (this means it is now old), but I do not really want to update it now. with suse 11.0 the acpi was working properly, I have never have touched the acpi boot option and I had all acpi functionality working (battery, suspend .. etc)
how to let acpi work (at least for the main features .. batetry, fan speed, HT ... etc)?
It can be that the old kernel boot was using some "specific flags", (an installation is cleverer than an upgrade ..?!?!) but unfortunatelly it looks to me that nothing has remained from the old installation .. so I do not know ...
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Apr 12, 2011
I installed OpenSUSE11.4 yesterday.The dual boot option works.The wireless works in win 7 but I cannot get it enabled in SUSE.Is there a reason why the keyboard keys will not work to enable the wireless.I have an acer laptop.
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Apr 20, 2011
Does anyone know where single click for mouse can be enabled in this distro?
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May 28, 2011
I am facing an issue with 100% CPU usage under my system when running VirtualBox. Here are some further details:
My System Information:
CPU 1 name: Intel(R) Pentium(R) Dual CPU T2310 @ 1.46GHz
CPU 1 level 1 cache size: 32K Data cache. 32K Instruction cache.
CPU 1 level 2 cache size: 1024K Unified cache.
CPU 1 Mips: 2926.20
[Code].....
Well, each time I run Windows XP from my VirtualBox, I see the CPU usage at almost 100%. I experience a slow system even if no programs were running on my hosted Windows XP version.
I was wondering if there is a way for me to play with the settings so I can slightly enhance the performance. My PC is relatively fast under my Linux operating system. I need to know if there are some tips that I may follow when configuring the settings of my VirtualBox so i can achieve better results.
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Aug 29, 2010
I tried to install Portable VirtualBox using wine and even though I installed it on my /host/ folder (with 19 gb free) it downloaded some massive file on my Wubi installation (with 60 mb free) and now I am down to 3 mb left on Wubi and I can't find the massive file that it downloaded. Tried using the disk usage analyzer but nothing came up. Windows is unbootable so I can't use it.
Before this, Ubuntu would constantly decrease the amount of disk space I had free for no reason as well. It would jump from 120 mb one day to 50 mb.I moved my documents to my Windows folders but the disk space only stayed at 100 for another day or so before it went down again. apt-get auto/clean, localepurge, and deborphan are completely useless and there's something else going on behind the scenes here that I don't know about.Using Ubuntu Jaunty.
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Sep 20, 2010
I am runnin Ubuntu 9.10- the Karmic Koala on acer aspire laptop. since everythin in this netbook is crap. so I hardly can see movies that so much going on in them( when so much happens, the screen freezer for a while therefore i miss the most interesting bits) I used kinda every players. the only one that works for me is mplayer since it does not require high spec it works good but it has its own costs. if I use mplayer then i have the porblem of the sound (eg i can hear stuff before it happening) I am now just wondering if there is a way to decrease the quality. I really dont care if i have great quality or not as long as i can c whats happening ( at least for this netbook anyway)
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Jun 16, 2011
I was wondering why the chached RAM doesn't decrease at the same rate or near that when scanning is done & the scanning software is closed as it increases during scanning ? When the cached ram reaches a certain point while scanning, the software crashes & I loose my scans
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Aug 8, 2011
is there any way to decrease the cpu load during qemu execution?
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Apr 24, 2011
in the last instalation of slackware(13 and 13.1) when I do login the sound is down, the vol speaker is zero, and I have increase this by alsamixer, kmixer etc.I try the alsaconf, alsactl estore but it back zero(no sound). How a do for it stay in predefined volume
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Mar 23, 2011
When I tried to log in this morning I couldn't until I enabled Java scripts in my Opera browser. This must be something "new and improved". Could someone confirm this? I would prefer "old and lousy" rather than open up my computer to the world at large.
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Apr 29, 2011
I just noticed that I can no longer login to the forums unless Java scripts are enabled in my browser (Opera). Is this a new feature?
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Jan 17, 2011
I have problem on VPS running opensuse. When I enable firewall outbound connections stop working. I have tried everything I know (not much when it comes to firewall (iptables)) but could not solve this.
Here is my ifconfig:
Code:
I used xxx.xxx.xxx.xxx to hide real address.
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Jun 14, 2010
How can I decrease the amount of video memory in a debian squeeze laptop? The amount of video memory is 1GB and I want to reduce it to 512MB or 256MB. How can I do this
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Feb 5, 2010
Desperate to reduce RAM usage of my tiny VPS running Ubuntu 9.04 and Apache2.2.11, here I saw that:
On Linux, each child process will use 8MB of memory by default. This is probably unnecessary. You can decrease the overall memory used by Apache by setting ThreadStackSize used by Apache by setting ThreadStackSize to 1MB in.
So I tried to give the suggestion a try. But when I append:
ThreadStackSize 1000000
in my /etc/apache2/httpd.conf <IfModule mpm_prefork_module> directive, and restarted apache, it failed with this message:
Invalid command 'ThreadStackSize', perhaps misspelled or defined by a module not included in the server configuration
So I figured out that the relevant modules are neither enabled nor available on apache2. Now I am wondering whether there is a way to decrease the ThreadStackSize without the need to compile apache from source? If not, what should I do?
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Oct 23, 2010
I'm having a huge performance decrease when I'm on Battery Power. Plugged in this thing runs AMAZING, HDMI with HD video, I can run compiz 3d, full desktop advanced effects, HD video from ....., you name it. Just when I pull the cable out it slows down. I tried disabling ATI powerplay but that didnt help.
Is there a way I can toggle the performance, so that I can get "plugged in level performance" even when i'm on battery power? I'm not too bothered about how long the battery lasts. I'm usually always near an outlet.
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