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  • Can I set my Optimus Nvidia card to run Unity3D with bumblebee?

    - by manuhalo
    I'd like to know whether I can run compiz on my Nvidia card to speed things up. It's a Dell XPS15 laptop but I'm mostly using it as a desktop, so battery life is not important. Apparently my Intel integrated card is able to run unity 3D, but my Nvidia GT 420M is not. Here's the output of unity_support_test, both with optirun and without it: manuhalo@Ubuntu-XPS-L501X:~$ optirun /usr/lib/nux/unity_support_test -p OpenGL vendor string: NVIDIA Corporation OpenGL renderer string: GeForce GT 420M/PCI/SSE2 OpenGL version string: 4.1.0 NVIDIA 280.13 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: no GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: no manuhalo@Ubuntu-XPS-L501X:~$ /usr/lib/nux/unity_support_test -p OpenGL vendor string: Tungsten Graphics, Inc OpenGL renderer string: Mesa DRI Intel(R) Ironlake Mobile OpenGL version string: 2.1 Mesa 7.11 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes Any ideas of why this is happening? Thanks in advance to anyone able to shed some light on this. What I have tried: Installed the v290 drivers from the x-stable PPA. Tried forcing Unity-3D to work by telling Unity to ignore the unity-support-test results i.e. gksudo gedit /etc/environment add the following UNITY_FORCE_START=1 to the end of the file.

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  • How do I completely self study computer science?

    - by Optimus
    Being a completely self taught programmer I would like it if I could better myself by self-learning computer science course taught to a typical CS grad. Finding different resources on internet has been easy, there is of course MIT open course ware, and there are Coursera courses from Stanford and other universities. There are numerous other open resources scattered around the Internet and some good books that are repeatedly recommended. I have been learning a lot but my study is heavily fragmented, which really bugs me, I would love If somewhere I could find a path I should follow and a stack I should limit myself to so that I can be sure about what essential parts of computer science I have studied and systematically approach those I haven't. The problem with Wikipedia is it doesn't tell you whats essential but insists on being a complete reference. MIT open course ware for Computer science and Electrical Engg. has a huge list of courses also not telling you what courses are essential and what optional as per person's interest/requirement. I found no mention of an order in which one should study different subjects. What I would love is to create a list that I can follow like this dummy one SUBJECTS DONE Introduction to Computer Science * Introduction to Algorithms * Discrete Mathematics Adv. Discrete Mathematics Data structures * Adv. Algorithms ... As you can clearly see I have little idea of what specific subjects computer science consists of. It would be hugely helpful even if some one pointed out essential courses from MIT Course ware ( + essential subjects not present at MIT OCW) in a recommended order of study. I'll list the Posts I already went through (and I didn't get what I was looking for there) Computer science curriculum for non-CS major? - top answer says it isn't worth studying cse How can a self-taught programmer learn more about Computer Science? - points to MIT OCW Studying computer science - what am I getting myself into? Overview of computer science, programming

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  • Failed to get i915 symbols, graphics turbo disabled

    - by Optimus Prime
    I'm getting "Failed to get i915 symbols, graphics turbo disabled" error message after installing following softwares and few updates from Ubuntu. Django, Mysql server 5.5 Mysql benchmark And i have installed few updates for ubuntu. It was showing as Security Updates for Ubuntu. After installing Updates the update manager showed that i should restart the system. On restart i got following error message. " failed to get i915 symbols, graphics turbo disabled". So i tried the work around mentioned here (using the Live CD) ie add intel_ips to the blacklist echo "blacklist intel_ips" /etc/modprobe.d/blacklist.conf add i915 and intel_ips to /etc/modules echo -e "i915/nintel_ips" /etc/modules Now when start the system it freezes at Ubuntu splash screen. I'm using Ubuntu 12.04 LTS, on Dell inspiron N1040. I need to boot the system as i have spend lot of days configuring. Python and Django. Please help EDIT : OK when i restarted the system yesterday it magically turned on. Now i can view my desktop. But one problem, i can't mount any of the drives. It says failed to mount Drive. I'm also frequently getting "Ubuntu System Failure" Error Message.

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  • Grub menu not waiting despite of GRUB_TIMEOUT=10

    - by Optimus
    I have Ubuntu 12.04 installed along side of windows 7. The grub menu doesn't seem obey GRUB_TIMEOUT=10, I see the grub menu there for a split second and it immediately defaults to the first option. Grub menu worked fine when I first installed ubuntu. I am not able to pinpoint what exactly broke it(maybe some update?). I did resize my ubuntu partition using gparted but am not sure if that is what caused it. here are my settings from etc/default/grub GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 #GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" How do I fix this? Edit: As suggested by 'kamil' this is what I have tried so far with no luck - 1) hold the shift key while booting 2) sudo gedit /etc/default/grub edit GRUB_TIMEOUT to `GRUB_TIMEOUT=10` sudo update-grub 3) sudo gedit /etc/default/grub edit GRUB_TIMEOUT to `GRUB_TIMEOUT=10` sudo update-grub2 4) at the end of your /etc/grub.d/00_header file, comment out the if condition except for the regular set timeout line like this: #if [ \${recordfail} = 1 ]; then # set timeout=-1 #else set timeout=${GRUB_TIMEOUT} #fi then sudo update-grub and sudo update-grub2 5) install boot repair sudo add-apt-repository ppa:yannubuntu/boot-repair sudo apt-get update sudo apt-get install -y boot-repair boot-repair boot-repair output - Boot successfully repaired. ... The boot files of [The OS now in use - Ubuntu 12.04.1 LTS] are far from the start of the disk. Your BIOS may not detect them. You may want to retry after creating a /boot partition (EXT4, 200MB, start of the disk). This can be performed via tools such as gParted. Then select this partition via the [Separate /boot partition:] option of [Boot Repair]. (https://help.ubuntu.com/community/BootPartition) http://paste.ubuntu.com/1220468/ - here is the full boot-repair data Could grub files not being at the start of the disk create such issues?

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  • How can I get nVidia CUDA or OpenCL working on a laptop with nVidia discrete card/Intel Integrated Graphics?

    - by PeterDC
    Background: I'm a 3D artist (as a hobby) and have recently started using Ubuntu 12.04 LTS as a dual-boot with Windows 7. It's running on my a fairly new 64-bit Toshiba laptop with an nVidia GeForce GT 540M GPU (graphics card). It also, however has Intel Integrated Graphics (which I suspect Ubuntu's been using). So, when I render my 3D scenes to images on Windows, I am able to choose between using my CPU or my nVidia GPU (faster). From the 3D application, I can set the GPU to use either CUDA or OpenCL. In Ubuntu, there's no GPU option. After doing (too much?) research on the issues with Linux and the nVidia Optimus technology, I am slightly more enlightened, but a lot more confused. I don't care one bit about the Optimus technology, as battery life is not by any means an issue for me. Here's my question: What can I do to be able to use CUDA-utilizing programs (such as Blender) on my nVidia GPU in Ubuntu? Will I need nVidia drivers? (I have heard they don't play nicely with Optimus setups on Linux.) Is there at least a way to use OpenCL on my GPU in Ubuntu?

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  • Router behind router network setup

    - by optimus
    My relative has bought a router instead of a switch which causes remote-access control issues on his network. His existing network has a 1st router where all PCs are connected via LAN cables. The 2nd router connnects to the 1st router and the remaining PCs are connected to the 2nd router via LAN cables. Normally, I would perform remote-access to help him out with some task. Now it seems all services behind the 2nd router are unavailable to me. How can I resolve this issue?

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  • Connect to a webserver running in Windows 7 using IP from a brower

    - by Optimus Prime
    I'm not sure if this is the proper place to ask this question. Here is my issue I'm using windows 7 and i have installed Zope Server.(Zope is python web framework which has a built-in server). I can connect to this server from my browser by typing, localhost:8080 But if i try to connect this server from another machine using my IP or even from my own system it doesn't work. ie xxx.xxx.xx.xxx:8080

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  • Is it safe to have NVidia graphics always on on a Linux laptop, or do I risk overheating?

    - by codeape
    I'm getting a Lenovo T520 with two graphics cards: Integrated Intel HD 3000 Discrete NVidia NVS 4200M In BIOS, I can adjust which card(s) to use: Integrated only Discrete only Both (NVidia optimus) Since optimus is not well supported under Linux, I wonder if it is OK to set up the system to use the NVidia card all the time. I have read somewhere that a laptop risks overheating if using a discrete graphics card all the time. Is this true? Does someone have any experience to share?

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  • is gnome 3 is slow or my machine?

    - by user103054
    I have Dell XPS 15 i7 - 2360 with nvidia 525M (1GB) with optimus running Ubuntu 12.10 64 bit and have bumblebee installed for optimus. Recently I installed Gnome Shell to give it a try and found it sort of lagging under few scenarios though rest all is butter smooth. When I click on Date gnome 3 it appears as if a second has elapsed before the window is drawn. But others panel items like network or volume looks fine. In gnome 3 when I'm on dash with (window preview) if I remove any of the windows before the remaining windows reshuffle it takes about 2 seconds (noticeable clearly). Everything else is fine in both unity and Gnome Shell. What is causing this slowness? Is Gnome Shell is really slower?

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  • How to make Bumblebee work with HP Pavilion DV6T-7000 Quad Edition with Intel HD 4000 and Nvidia GeForce GT 650M 2GB?

    - by user69469
    I just recently bought a HP DV6T-7000 Quad Edition. It has an Intel HD 4000 and a Nvidia GeForce GT 650M 2GB with Optimus. I read that I could use bumblebee to make optimus work, so I installed it. I also installed bumblebee-nvidia and nvidia-current from the ubuntu-x-swat/x-updates ppa. I rebooted, but when I tried to run anything with optirun, the computer would wait ten seconds or so, then do a hard shutdown. I got no log messages from bumblebee, Xorg, or optirun, either. I have purged and reinstalled bumblebee, bumblebee-nvidia, and nvidia-current. I have also set the turned off power management in the bumblebee.conf file to no avail. I am out of ideas about this, and I need both options. Any ideas would be much appreciated.

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  • Bumblebee screwd up my grafics-settings

    - by user104762
    I had my system working pretty good with the external monitor working with the displayport. Unfortunately I felt that I should try to install Bumblebee. It didn't work. The monitor wasn't recognised. So I uninstalled it with the instructions on ubuntus wiki. But it didn't get back to the way it was. And when I copied the Purge-command it started deleting other stuff to, like Cheese and whatnot. I can't get the external monitor to be recognised. If I activate Optimus I get the right settings on my laptopscreen, but no Nvidia-drivers. If I deactivate optimus I get poor resolution on my laptopscreen, and still don't recognise the external monitor. But the Nvidia-drivers show up and can be activated. Why oh why did I have to try to install Bumblebee.

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  • java oracle cusor is closed where cursor is not return to jdbc

    - by optimus
    I am executing a stored procedure which has 2 cusors within the stored procedure. The 1st cursor which is not return to the jdbc as a resultset is closed within the stored procedure. The 2nd cursor which returns the resultset to the jdbc is not closed within the stored procedure. Upon executing I encounter cursor is closed exception which is puzzling. Since the ResultSet will close all underlying cursor upon invoking the close() method

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  • fix vmware workstation 9 installation in ubuntu 12.10

    - by Alessandro Belloni
    i have opened this thread because i upgraded to ubuntu 12.10 beta (kernel 3.5) and i have problem with vmware workstation 9: "Unable to change virtual machine power state: Cannot find a valid peer process to connect to" does anyone got the same problem? Clean install of ubuntu 12.10 (daily build) installed vmware 9 and patched but not working, my laptop is a Lenovo T420 with Nvidia Optimus Technology. i can't patch correctly and get the thinks be builded correctly, my configuration is ubuntu 12.10 fresh installation vmware workstation 9 fresh install on top of a lenovo thikpad t420 with nvidia optimus video card. have a problems.. this message is show whem i try to apply the patch.. # Stopping VMware services: VMware Authentication Daemon done At least one instance of VMware VMX is still running. Please stop all running instances of VMware VMX first. VMware Authentication Daemon done Unable to stop services # How can i stop the vmware services to apply the patch? This message is too show when i try to patch again # ./patch-modules_3.5.0.sh /usr/lib/vmware/modules/source/.patched found. You have already patched your sources. Exiting # But the vmware is not working, and i can’t unstall…

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  • Blank screen after GRUB (64 bit) - cannot install Ubuntu

    - by peGGi
    My laptop's specs: Lenovo IdeaPad Z570 Intel Core i5-2410M @ 2.3Ghz 6 Gb RAM DDR3 640 Gb ATAPI Hard-disk Drive @ 5,200 RPM NVIDIA GeForce G520M with Optimus switching technology Broadcom 802.11n Network Adapter REALTEK soundcard Windows 7 Home Premium 64-bit I downloaded Ubuntu Studio 11.04 and burned the iso image onto two different DVDs, using two different programs (one DVD is RW, the other is just R). I verified the hash MD5sum thing. I get as far as GRUB with the 4 options (install, advanced install, disk verification, system rescue) but no matter which one I select, I get a blank screen and nothing happens. The DVD drive spins down after about 30 seconds. Also just before the GRUB screen I get a message saying Error: "Prefix" is not set. I'm not sure if that's relevant. I have tried all the options using both DVDs. Same thing happens. I have changed the graphics setting in BIOS to UMA or Optimus, but still happens either way. I've tried booting with the wireless switch turned off, same thing happens. I downloaded 'vanilla' Ubuntu 64-bit and burned onto a CD, and the same thing happens. I have downloaded Ubuntu 32-bit and I am able to boot from the live CD (interestingly the wireless card won't work, but that's maybe another issue). I have searched extensively through these forums and other sites but I can't see anything that will help me. Is there something I'm missing? I'd really appreciate help on this. The laptop is less than 2 weeks old. I was so looking forward to getting Ubuntu Studio up and running. I've gone about as far as my technical abilities will allow.

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  • Python and displaying HTML

    - by Tyler Seymour
    I've gotten pretty comfortable with Python and now I'm looking to make a rudimentary web application. I was somewhat scared of Django and the other Python frameworks so I went caveman on it and decided to generate the HTML myself using another Python script. Maybe this is how you do it anyways - but I'm just figuring this stuff out. I'm really looking for a tip-off on, well, what to do next. My Python script PRINTS the HTML (is this even correct? I need it to be on a webpage!), but now what? Thanks for your continued support during my learning process. One day I will post answers! -Tyler Here's my code: from SearchPhone import SearchPhone phones = ["Iphone 3", "Iphone 4", "Iphone 5","Galaxy s3", "Galaxy s2", "LG Lucid", "LG Esteem", "HTC One S", "Droid 4", "Droid RAZR MAXX", "HTC EVO", "Galaxy Nexus", "LG Optimus 2", "LG Ignite", "Galaxy Note", "HTC Amaze", "HTC Rezound", "HTC Vivid", "HTC Rhyme", "Motorola Photon", "Motorola Milestone", "myTouch slide", "HTC Status", "Droid 3", "HTC Evo 3d", "HTC Wildfire", "LG Optimus 3d", "HTC ThunderBolt", "Incredible 2", "Kyocera Echo", "Galaxy S 4g", "HTC Inspire", "LG Optimus 2x", "Samsung Gem", "HTC Evo Shift", "Nexus S", "LG Axis", "Droid 2", "G2", "Droid x", "Droid Incredible" ] print """<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>table of phones</title> </head> <body> </body> </html> """ #table print '<table width="100%" border="1">' for x in phones: y = SearchPhone(x) print "\t<tr>" print "\t\t<td>" + str(y[0]) + "</td>" print "\t\t<td>" + str(y[1]) + "</td>" print "\t\t<td>" + str(y[2]) + "</td>" print "\t\t<td>" + str(y[3]) + "</td>" print "\t\t<td>" + str(y[4]) + "</td>" print "\t</tr>" print "</table>

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  • Android landscape mod game.

    - by davidv
    I am beginner in android game development. I want my game to run only in landscape fullscreen mod (currently I have Optimus 2X with resolution 800x480 in landscape), and I dont know how to set it. I found the fullscreen mod settings, and tried some landscape mod (set orientation:landscape in AndroidManifest), but the game is now crashing and its very unstable (eg. when i change phone orientation). So is there any way to do that? Thank you for help.

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  • Ubuntu 13.10 installation fault

    - by macphisto1983
    I'm trying to install Ubuntu 13.10 64bit on my notebook, but after a few second the installation quit, i have to take screenshot with my phone, i saw an error: MMIO write of 0x00000000 write fault at 0x418880 [IBUS]![enter image description here][1] My notebook is Asus n56vv with Optimus intel + nvidia gt750m At now I have a working installation of Ubuntu 13.04, I just want to install Ubuntu 13.10, keeping my home folder, I also tried to try ubuntu, but I have the same issue and the system didn't load.

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  • wubi would not uninstalling

    - by swaleh hussein
    I installed wubi 12.04 with a username and password. It installed successfully but when I tried logging in, it said my password was incorrect. I then decided to uninstall but it kept giving me this error message: An error occurred: Permission denied For more information, please see the log file: c:\users\optimus\appdata\local\temp\wubi-12.04-rev266.log how can I then uninstall wubi from my laptop? Kindly assist.

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  • Xorg crash on MSI CX623 notebook

    - by Ek Kosmos
    Hi! I have a MSI CX623 laptop and I have installed the Ubuntu 10.10, x64bit version on it. The problem is after I activated the Nvidia driver from Additional Drivers. After restarting Xorg crashes. This laptop uses the optimus technology of Nvidia, is this supported? The full specification of this laptop are here: http://www.msi.com/product/nb/CX623.html#/?div=Specification How can I solve this problem?

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  • The Alienware M11xR3 has arrived

    - by Enrique Lima
    A week or so ago, I mentioned my gear was evolving.  The newest member of my gear arrived yesterday, an Alienware M11xR3. Here are the specs: Intel Core i7-2617M 1.5GHz (2.6GHz Turbo Mode, 4MB Cache) NVIDIA GeForce GT540 graphics with 2.0GB Video Memory and Optimus 16GB Dual Channel DDR3 at 1333MHz 11.6in High Def (720p/1366x768) with WLED backlight 750GB 7200RPM SATA 3Gb/s Soundblaster X-Fi Hi Def Audio - Software Enabled Intel Advanced-N WiFi Link 6250 a/g/n 2x2 MIMO Technology with WiMax Gobi Mobile Broadband with GPS - supports ATT with contract Internal Bluetooth 3.0   Some pics from the unboxing event:

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  • Curser blinking with any change of referesh rate of any window

    - by samer226047
    my problem is my courser is blinking for any windows that refresh. for example right now each litter i write the courser blink for it , well it's acceptable now but imagine what happen when i open facebook (each picture , each simple element in the web page the courser blink for it) , please help me i really want to move to Ubuntu but problems keep get in my way and push me back to windows PC status : Core i5 , 4G ram , Nvidia optimus 310m , 500G HDD. Condition : it was working good with Ubuntu 13.04 but after the ugprade to 13.10 the problem apear and thanks in advance

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  • WoW Severe graphical Corruption on Ubuntu 11.10

    - by Desiderantes
    I get those graphical glitches when running WoW 4.2.0 with wine (Ubuntu 11.10 AMD64), in a Dell XPS 15(L501X), even with ironhide. Anyone can help me? CPU: Intel Core i5-460M 4gb RAM because it's a Dell XPS 15(Optimus Technology), i have 2 graphic cards: An Intel HD 460M integrated graphics card, which driver is i915 A nVidia GeForce GT 420M, ALREADY with propietary drivers Running Ubuntu 11.10 AMD64 with custom XFCE Desktop Wine 1.4 rc6(Emulating winxp) corefonts and vc2005 installed on Wine http://i.imgur.com/FDU6x.jpg

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  • How do I disable a Nvidia 9600GT on MacBookPro 5.1?

    - by Gjan
    i finally put up a Dual Boot with Ubuntu and Lion on my old MacBookPro 5.1 As reported in many cases the discrete graphics card is turned on all the time consuming a lot of power and thus heating up the laptop. Since the discrete graphics card does not support the nvidia optimus technology, the corresponding packge nvidia-prime does not help in this case. Therefore my question is, how to manually disable the discrete graphics card Nvdidia 9600GT ? Preferably a 'switch-on-the-run' version, but a 'set-on-boot' would be totally fine!

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  • Video card not detected on Lenovo T410 in Linux

    - by wich
    I have a T410 with an nVidia NVS 3100M, this is not a hybrid system, there is no Optimus. (No option in the BIOS for Optimus, lspci in linux as well as the Windows device manager only show the nVidia) Using lspci I see the GPU as a present device, however, I can not, for the life of me, get any video driver to work that will let me start an X session, every time X craps out with the error (EE) No devices detected. I have tried the nVidia binary blob, (with nvidia-config, made sure no nvidia support in the kernel), I have tried nouveau, I have tried nv, I have even tried generic vesa, nothing will work. When I compare the dmesg that I get when loading the nvidia kernel module, I see that it is missing some lines compared with another system that also has an nvidia card, specifically the line mentioning the GPU name (3100M) is not there. I have checked every option in the BIOS, there is nothing to control except for the BIOS video output port, which is set to the LCD panel. I have no idea anymore what the problem may be, or even how I can diagnose this problem further. Any help will be appreciated.

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  • Problem with external monitor on my asus u36sd laptop

    - by Abonec
    To connect my laptop to external monitor (for the dual monitor configuration) I have to perform 7 weird steps: Suspend OS (close notebook for that) Connect external monitor to vga output Open notebook and unsuspend OS (at this moment in laptop screen is native resolution but on external monitor resolution is lower than native (not same as at laptop)). Suspend OS (close notebook for that) Open notebook and unsuspend OS (at this moment laptop screen has resolution as a external monitor but external monitor has lower resolution that should be in native) Suspend OS (close notebook for that) Unsuspend OS (at this moment laptop and external monitor have native resolution which will should be) I just open and close hood of the laptop until external monitor and laptop screen become in native resolution. Adjusting monitors in displays not give me proper result. I have ASUS U36SD with optimus (disabled by acpicall) with 1366x768 screen and external monitor with 1280x1024 and latest ubuntu 11.10. How to perform laptop to work with external monitor without this weird actions?

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