browser - Error on ubuntu webbrowser-app launch. Shows black box & hangs -


ubuntu webbrowser-app launch doesn't start. shows black window , hangs. system hangs.

error on terminal shown below:

libgl error: mesa-loader: failed retrieve device information libgl error: version 4 or later of flush extension not found libgl error: failed load driver: i915 libgl error: mesa-loader: failed retrieve device information qinotifyfilesystemwatcherengine::addpaths: inotify_add_watch failed: no such file or directory unity::action::actionmanager::actionmanager(qobject*):     not determine application identifier. hud not work properly.     provide application identifier in $app_id environment variable. ucurihandler: empty "app_id" environment variable, ignoring. file:///usr/share/webbrowser-app/webbrowser/contentpickerdialog.qml:22:1: module "ubuntu.content" not installed file:///usr/share/webbrowser-app/webbrowser/contentdownloaddialog.qml:22:1: module "ubuntu.content" not installed file:///usr/share/webbrowser-app/contenthandler.qml:20:1: module "ubuntu.content" not installed file:///usr/share/webbrowser-app/webbrowser/downloadhandler.qml:20:1: module "ubuntu.downloadmanager" not installed libgl error: mesa-loader: failed retrieve device information libgl error: version 4 or later of flush extension not found libgl error: failed load driver: i915 libgl error: mesa-loader: failed retrieve device information shm_open() failed: permission denied  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly.  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly. [0728/183428.404224:error:child_thread_impl.cc(762)] request unknown channel-associated interface: ui::mojom::gpumain touchselectioncontroller::active deprecated, use touchselectioncontroller::status instead qml: loaded 8 ua override(s) file:///usr/lib/x86_64-linux-gnu/qt5/qml/ubuntu/web/ua-overrides-mobile.js oxideqquickwebview: cangoforward deprecated. please use api provided oxideqquicknavigationhistory instead oxideqquickwebview: cangoback deprecated. please use api provided oxideqquicknavigationhistory instead file:///usr/share/webbrowser-app/downloader.qml:22:1: module "ubuntu.downloadmanager" not installed file:///usr/share/webbrowser-app/downloader.qml:23:1: module "ubuntu.content" not installed file:///usr/share/webbrowser-app/downloader.qml:22:1: module "ubuntu.downloadmanager" not installed file:///usr/share/webbrowser-app/downloader.qml:23:1: module "ubuntu.content" not installed input device added: "power button" "/dev/input/event3" qflags(0x1) input device added: "video bus" "/dev/input/event5" qflags(0x1) input device added: "power button" "/dev/input/event1" qflags(0x1) input device added: "lid switch" "/dev/input/event0" qflags(0x20) input device added: "sleep button" "/dev/input/event2" qflags(0x1) input device added: "integrated_webcam_hd" "/dev/input/event8" qflags(0x1) input device added: "dllc6b2:00 06cb:75bf touchpad" "/dev/input/event14" qflags(0x4|0x8) input device added: "hda intel pch headphone mic" "/dev/input/event9" qflags(0x20) input device added: "hda intel pch hdmi/dp,pcm=3" "/dev/input/event10" qflags(0x20) input device added: "hda intel pch hdmi/dp,pcm=7" "/dev/input/event11" qflags(0x20) input device added: "hda intel pch hdmi/dp,pcm=8" "/dev/input/event12" qflags(0x20) input device added: "at translated set 2 keyboard" "/dev/input/event4" qflags(0x1|0x10) input device added: "dell wmi hotkeys" "/dev/input/event13" qflags(0x1) input device added: "dell wireless hotkeys" "/dev/input/event7" qflags(0x1) qopenglshader: not create shader  (process:30149): dconf-critical **: unable create file '/run/user/1000/dconf/user': permission denied.  dconf not work properly. qopenglshader: not create shader qopenglshader: not create shader intel_do_flush_locked failed: input/output error [0728/183541.202445:fatal:oxide_browser_process_main.cc(472)] check failed: state_ == state_not_started || state_ == state_shutdown. browserprocessmain::shutdown() should called before process exit #0 0x7faf8b5dc63e <unknown> #1 0x7faf8b5f637e <unknown> #2 0x7faf8cc17579 <unknown> #3 0x7fafa9939ff8 <unknown> #4 0x7fafa993a045 exit #5 0x7faf9e48568e <unknown> #6 0x7faf9e48b55c <unknown> #7 0x7faf9e48b729 <unknown> #8 0x7faf9e490f0b <unknown> #9 0x7faf9e274e7c <unknown> #10 0x7faf9e49224a <unknown> #11 0x7faf9e26501b <unknown> #12 0x7faf9e265286 <unknown> #13 0x7faf9e265688 <unknown> #14 0x7fafab272d16 qopengltextureglyphcache::filltexture() #15 0x7fafab1fefc1 qtextureglyphcache::fillinpendingglyphs() #16 0x7fafab92fdb7 <unknown> #17 0x7fafab92dc4c <unknown> #18 0x7fafab9b7677 <unknown> #19 0x7fafab9bba9c <unknown> #20 0x7fafab9b8547 <unknown> #21 0x7fafab9b6cb8 qquicktext::updatepaintnode() #22 0x7fafab9752d8 qquickwindowprivate::updatedirtynode() #23 0x7fafab975b4b qquickwindowprivate::updatedirtynodes() #24 0x7fafab975cc0 qquickwindowprivate::syncscenegraph() #25 0x7fafab94412c <unknown> #26 0x7fafab945aa6 <unknown> #27 0x7fafaaf652b5 qwindow::event() #28 0x7fafab97f871 qquickwindow::event() #29 0x7fafabd0905c qapplicationprivate::notify_helper() #30 0x7fafabd0e516 qapplication::notify() #31 0x7fafaa7f138b qcoreapplication::notifyinternal() #32 0x7fafaaf5d4ac qguiapplicationprivate::processexposeevent() #33 0x7fafaaf5e21d qguiapplicationprivate::processwindowsystemevent() #34 0x7fafaaf41f08 qwindowsysteminterface::sendwindowsystemevents() #35 0x7fafa2843200 <unknown> #36 0x7fafa91c9197 g_main_context_dispatch #37 0x7fafa91c93f0 <unknown> #38 0x7fafa91c949c g_main_context_iteration #39 0x7fafaa8477cf qeventdispatcherglib::processevents() #40 0x7fafaa7eeb4a qeventloop::exec() #41 0x7fafaa7f6bec qcoreapplication::exec() #42 0x557d2d1cee16 (/usr/bin/webbrowser-app+0x557d2d1cee15) #43 0x557d2d1c3a05 (/usr/bin/webbrowser-app+0x557d2d1c3a04) #44 0x7fafa9920830 __libc_start_main #45 0x557d2d1c3b69 (/usr/bin/webbrowser-app+0x557d2d1c3b68)  [0100/000000.358166:error:broker_posix.cc(41)] invalid node channel message aborted (core dumped)

any idea why caused , how fix it? i'm on ubuntu gnome 16.04. before time, browser running fine. having no problem happened.


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