Feb 7 11:12:39 localhost dbus[3535]: apparmor="DENIED" operation="dbus_method_call" bus="session" path="/org/gtk/vfs/mounttracker" interface="org.gtk.vfs.MountTracker" member="ListMountableInfo" mask="send" name=":1.15" pid=15839 label="webbrowser-app" peer_pid=3959 peer_label="unconfined" Feb 7 11:12:39 localhost kernel: [28320.594433] audit: type=1400 audit(1486483959.661:46): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/etc/gtk-3.0/settings.ini" pid=15839 comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:39 localhost kernel: [28320.635470] audit: type=1400 audit(1486483959.701:47): apparmor="DENIED" operation="connect" profile="webbrowser-app" pid=15839 comm="QDBusConnection" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/ibus/dbus-vBfWA2CF" peer="unconfined" Feb 7 11:12:39 localhost kernel: [28320.636490] audit: type=1400 audit(1486483959.701:48): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/dri/" pid=15839 comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:43 localhost kernel: [28324.330960] audit: type=1400 audit(1486483963.397:49): apparmor="DENIED" operation="open" profile="webbrowser-app//oxide_helper" name="/sys/devices/system/cpu/cpufreq/policy0/cpuinfo_max_freq" pid=15850 comm="oxide-renderer" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:43 localhost kernel: [28324.625279] audit: type=1400 audit(1486483963.693:50): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/dri/" pid=15839 comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:44 localhost kernel: [28325.187926] audit: type=1400 audit(1486483964.253:51): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/usr/bin/webbrowser-app" pid=15839 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:44 localhost kernel: [28325.188205] audit: type=1400 audit(1486483964.253:52): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-7" pid=15839 comm="QQmlThread-ust" requested_mask="r" denied_mask="r" fsuid=1000 ouid=108 Feb 7 11:12:44 localhost kernel: [28325.188229] audit: type=1400 audit(1486483964.253:53): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-7" pid=15839 comm="QQmlThread-ust" requested_mask="r" denied_mask="r" fsuid=1000 ouid=108 Feb 7 11:12:44 localhost kernel: [28325.188298] audit: type=1400 audit(1486483964.253:54): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-7-1000" pid=15839 comm="QQmlThread-ust" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000 Feb 7 11:12:44 localhost kernel: [28325.188330] audit: type=1400 audit(1486483964.253:55): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-7-1000" pid=15839 comm="QQmlThread-ust" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000 Feb 7 11:12:45 localhost dbus-daemon[3535]: Activating via systemd: service name='com.ubuntu.content.dbus.Service' unit='content-hub.service' Feb 7 11:12:45 localhost kernel: [28326.919700] audit_printk_skb: 12 callbacks suppressed Feb 7 11:12:45 localhost kernel: [28326.919702] audit: type=1400 audit(1486483965.985:60): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/home/myuser/.local/share/libertine/ContainersConfig.json" pid=15839 comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000 Feb 7 11:12:45 localhost dbus-daemon[3535]: Activating service name='com.canonical.applications.Downloader' Feb 7 11:12:46 localhost systemd[3489]: Starting Content Hub Service... Feb 7 11:12:46 localhost com.canonical.applications.Downloader[3535]: Logging dir is "/home/myuser/.cache/ubuntu-download-manager" Feb 7 11:12:46 localhost kernel: [28327.081344] audit: type=1400 audit(1486483966.149:61): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/sys/bus/" pid=15839 comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Feb 7 11:12:46 localhost com.canonical.applications.Downloader[3535]: Logging dir is "/home/myuser/.cache/ubuntu-download-manager" Feb 7 11:12:46 localhost /usr/lib/snapd/snapd[1582]: daemon.go:176: DEBUG: uid=1000;@ GET /v2/snaps/com.ubuntu.gallery 133.569µs 404 Feb 7 11:12:46 localhost content-hub-service[15881]: QMap {anonymous}::info_for_app_id(QString) Failed to create Application for "address-book-app" Feb 7 11:12:46 localhost content-hub-service[15881]: QMap {anonymous}::info_for_app_id(QString) Failed to create Application for "address-book-app" Feb 7 11:12:46 localhost /usr/lib/snapd/snapd[1582]: daemon.go:176: DEBUG: uid=1000;@ GET /v2/snaps/com.ubuntu.gallery 69.798µs 404 Feb 7 11:12:46 localhost dbus-daemon[3535]: Successfully activated service 'com.ubuntu.content.dbus.Service' Feb 7 11:12:46 localhost systemd[3489]: Started Content Hub Service. Feb 7 11:12:46 localhost dbus-daemon[3535]: Successfully activated service 'com.canonical.applications.Downloader' Feb 7 11:12:49 localhost kernel: [28330.188494] audit: type=1400 audit(1486483969.253:62): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-7" pid=15839 comm="QQmlThread-ust" requested_mask="r" denied_mask="r" fsuid=1000 ouid=108 [many more lttng-ust-wait-7 errors, followed by crash] Feb 7 11:13:51 localhost kernel: [28392.480635] [drm] GPU HANG: ecode 9:-1:0x00000000, reason: No progress on render ring, action: reset Feb 7 11:13:51 localhost kernel: [28392.480638] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. Feb 7 11:13:51 localhost kernel: [28392.480640] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel Feb 7 11:13:51 localhost kernel: [28392.480641] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. Feb 7 11:13:51 localhost kernel: [28392.480642] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. Feb 7 11:13:51 localhost kernel: [28392.480643] [drm] GPU crash dump saved to /sys/class/drm/card0/error Feb 7 11:13:51 localhost kernel: [28392.480788] drm/i915: Resetting chip after gpu hang Feb 7 11:13:51 localhost kernel: [28392.480876] [drm] RC6 on Feb 7 11:13:51 localhost kernel: [28392.498559] [drm] GuC firmware load skipped Feb 7 11:13:51 localhost kernel: [28392.524074] webbrowser-app[15839]: segfault at 0 ip (null) sp 00007fff9cbdfcb8 error 14 in webbrowser-app[5591d8d9f000+87000]