Wrong Qt backend used in desktop session (xcb vs. Mir)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
unity8 (Ubuntu) |
Incomplete
|
Medium
|
Unassigned | ||
unity8-desktop-session (Ubuntu) |
Confirmed
|
Medium
|
Unassigned |
Bug Description
I installed unity8-
I also almost always (9 out of 10 times) get a black screen if I try to log into a ubuntu-desktop-mir session, and if I do manage to get a normal screen with ubuntu-desktop-mir, resizing it gives me the black screen. So this might be related to a bug in mir.
ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: unity8 8.02+15.
ProcVersionSign
Uname: Linux 3.16.0-28-generic x86_64
ApportVersion: 2.15.1-0ubuntu1
Architecture: amd64
Date: Mon Jan 5 11:03:29 2015
ExecutablePath: /usr/bin/unity8
ExecutableTimes
InstallationDate: Installed on 2015-01-03 (1 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141220)
ProcCmdline: unity8
ProcCwd: /home/rocko
ProcEnviron:
LANGUAGE=en_US
PATH=(custom, no user)
XDG_RUNTIME_
LANG=en_US.UTF-8
SHELL=/bin/bash
Signal: 6
SourcePackage: unity8
StacktraceTop:
QMessageLogger
?? () from /usr/lib/
?? () from /usr/lib/
?? () from /usr/lib/
QPlatformInteg
Title: unity8 crashed with SIGABRT in QMessageLogger:
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
upstart.unity8.log:
()
QXcbConnection: Could not connect to display
Changed in unity8-desktop-session (Ubuntu): | |
importance: | Undecided → Medium |
StacktraceTop: qlogging. cpp:1364 ::fatal (this=this@ entry=0x7fff016 396e0, msg=msg@ entry=0x7f18682 74578 "QXcbConnection: Could not connect to display %s") at global/ qlogging. cpp:669 ::QXcbConnectio n (this=0x1630e90, nativeInterface =0x16290b0, canGrabServer= <optimized out>, displayName=0x0) at qxcbconnection. cpp:322 n::QXcbIntegrat ion (this=0x1626880, parameters=..., argc=@0x7fff016 39b4c: 1, argv=0xffffffff ffffffff) at qxcbintegration .cpp:162 nPlugin: :create (this=<optimized out>, system=..., parameters=..., argc=@0x7fff016 39b4c: 1, argv=0x7fff0163 9fd8) at qxcbmain.cpp:58
qt_message_fatal (context=..., message=...) at global/
QMessageLogger
QXcbConnection
QXcbIntegratio
QXcbIntegratio