Hi Leonard, I have exactly the same symptoms as you, while trying to log on to unity8-preview.
unity-system-compositor.log ERROR: /build/buildd/mir-0.1.8+14.04.20140411/src/platform/graphics/mesa/cursor.cpp(66): Throw in function mir::graphics::mesa::Cursor::GBMBOWrapper::GBMBOWrapper(gbm_device*) Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> > std::exception::what: failed to create gbm buffer lspci -v | grep "VGA compatible" 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV635/M86 [Mobility Radeon HD 3650] (prog-if 00 [VGA controller]) Kind regards /sebastian 2014-07-29 20:40 GMT+02:00 Kevin Gunn <kevin.g...@canonical.com>: > Hi, > Looks like you might be conflating what we called Xmir with what we call > Unity8-desktop session. I think you're wanting to use > unity8-desktop-session-mir. > > Here are some links that might be good to read > > http://www.olli-ries.com/doing-more-with-your-unity8-preview-session-in-ubuntu-14-04/ > http://www.omgubuntu.co.uk/2014/02/unity-8-desktop-preview-session-14-04 > > so a couple of things, depending what version you might be on...there was > a recent bug at one point for "guest" not working (i believe fixed now). > easy to create a second user to experiment. > > also, i know it wasn't obvious to me the very first time, but when logging > in you simply need to click on the ubuntu circle-of-friends icon to get the > unity8 prompt on the greeter (that's a lot of words, best just to watch > first seconds of this video http://www.youtube.com/watch?v=8ULCY8thyE8 :) > > br,kg > > > On Tue, Jul 29, 2014 at 9:06 AM, Leonard Krajewski <leonar...@gmail.com> > wrote: > >> Hello! I'm not able to run Unity 8 in my setup. >> My hardware is Mir compatibile: (from >> http://unity.ubuntu.com/mir/using_mir_on_pc.html)(See attachment) >> I prepared ubuntu-desktop-next.iso using unetbootin. It loads >> lightdm(Thus just Xserver?) with login screen . I log using >> ubuntu-desktop-next login and blank password. And black screen appears and >> backing me to lightdm login screen. >> command : >> ps aux | grep unity-system-compositor just tell it's disabled . >> >> I tried this usb flash drive with Hp 6730b (Intel GMA 4500) and it worked >> like charm. Booted directly into Mir lockscreen, and then worked fine >> >> Not sure it's the right place to ask for help with Ubuntu-Desktop-Next. >> >> Best Regards! >> >> >> >> -- >> Leonard Krajewski >> GTalk: leonar...@gmail.com >> Tel. 514678552 >> >> -- >> Mailing list: https://launchpad.net/~ubuntu-phone >> Post to : ubuntu-phone@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~ubuntu-phone >> More help : https://help.launchpad.net/ListHelp >> >> > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : ubuntu-phone@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp > >
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