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faq xorg skip to main content xorg faq edit page history source x org user faq if you have problems getting x to start please make sure you have configured your x using one of the available configuration tools if you are uncertain you did please check the configurationhelp before you read any further you can find driver related information in the knowledgebase if you are using a version of x org shipped by a distribution you should check there distrofaqlist too before you report an error if you cannot find an answer to your problem here feel free to subscribe to our supportmailinglist please follow the instructions given there on how to post a support question x server information is usually logged in var log xorg 0 log which can be consulted for errors or warnings if the server does not function as expected if you want to add information don t add it to this page try to find a category it belongs to if you cannot find any that fits feel free to create a new one on this page faq hay guys why do u still hav network transparency dont you know its making everyfing slow network transparency is actually not the problem pretty much all inter process communication uses local unix sockets and shared memory which is exactly what x uses shocked a lot of the problems with x are related to round trips many events that x sends to clients are actually just prompts for clients to send another request block and wait for a reply actually containing the information you need in turn those requests will probably get stuck behind rendering requests from other clients adding huge amounts of latency also many operations look something like this request from client a event sent to client b request sent from client b reply sent to client b request sent from client b client a s original request fulfilled so by the time you ve scheduled ten times a perceptible amount of time has actually passed tl dr it doesn t how to clone and build xorg see peter s instructions at quickstart for those that do not use jhbuild quickstart for those that do not use jhbuild export prefix opt xorg export ld_library_path prefix lib export pkg_config_path prefix lib pkgconfig export path prefix bin path export aclocal aclocal i prefix share aclocal git clone https gitlab freedesktop org xorg util modular git util modular echo util macros built modules util modular build sh clone p f built modules r tail n 1 built modules prefix re run the last command until a build succeeds how to use xrandr 1 2 for dual head etc see the links on the xrandr documentation page how to set up a multiseat configuration aka zaphod mode see the multiseat page server doesn t start and generates an error message faqerrormessages server generates warning messages faqwarningmessages server doesn t set the video mode i would like to use faqvideomodes video driver faq videodriverfaq migration faq proprietary drivers ati nvidia miscellaneous faqmiscellaneous updateproblems issues that may occur after updating wiki accounts see the instructions on the freedesktop org account requests page advanced topics advancedtopicsfaq this is a collection of solutions to advanced setup and configration problems and customizations for special purposes more faqs for your convenience we collected some links to x related informations on otherfaqs links supportmailinglist xorgirc index last edited mon aug 3 13 27 39 2026