Ubuntu
signon-ui package

signon-ui crashed with SIGSEGV in QXcbWindow::updateNetWmUserTime()

Bug #1200957 reported by Tony Themelis on 2013-07-13

182

This bug affects 21 people

Affects		Status	Importance	Assigned to	Milestone
	signon-ui (Ubuntu)	Triaged	Medium	Unassigned
Nominated for Trusty by Alberto Salvia Novella

Bug Description

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: signon-ui 0.15daily13.06.12-0ubuntu1
ProcVersionSignature: Ubuntu 3.10.0-2.11-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
ApportVersion: 2.10.2-0ubuntu4
Architecture: amd64
Date: Sat Jul 13 11:31:32 2013
ExecutablePath: /usr/bin/signon-ui
InstallationDate: Installed on 2013-07-13 (0 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130712)
MarkForUpload: True
ProcCmdline: /usr/bin/signon-ui
ProcEnviron:
XDG_RUNTIME_DIR=<set>
SHELL=/bin/bash
LANGUAGE=en_US
PATH=(custom, no user)
LANG=en_US.UTF-8
SegvAnalysis:
Segfault happened at: 0x7f64501d18cb: mov 0x28(%rdi),%r12d
PC (0x7f64501d18cb) ok
source "0x28(%rdi)" (0x00000028) not located in a known VMA region (needed readable region)!
destination "%r12d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: signon-ui
StacktraceTop:
?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
Title: signon-ui crashed with SIGSEGV in QObject::event()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

See original description

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Revision history for this message

Tony Themelis (tony-athemelis) wrote on 2013-07-13:

#1

Dependencies.txt Edit (6.1 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (646 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (85.5 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (825 bytes, text/plain; charset="utf-8")
Registers.txt Edit (685 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (2.4 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (8.6 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2013-07-19:

#2

StacktraceTop:
QXcbWindow::updateNetWmUserTime (this=0x0, timestamp=870365) at qxcbwindow.cpp:1084
QXcbKeyboard::handleKeyPressEvent (this=0x1acdbd0, window=0x0, event=0x7f6448003aa0) at qxcbkeyboard.cpp:1176
QXcbConnection::handleXcbEvent (this=this@entry=0x1abb700, event=event@entry=0x7f6448003aa0) at qxcbconnection.cpp:784
QXcbConnection::processXcbEvents (this=0x1abb700) at qxcbconnection.cpp:1076
QObject::event (this=0x1abb700, e=<optimized out>) at kernel/qobject.cpp:1070

Revision history for this message

Apport retracing service (apport) wrote on 2013-07-19: Stacktrace.txt

#3

Stacktrace.txt Edit (8.2 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2013-07-19: ThreadStacktrace.txt

#4

ThreadStacktrace.txt Edit (24.0 KiB, text/plain)

Changed in signon-ui (Ubuntu):
importance:	Undecided → Medium
summary:	- signon-ui crashed with SIGSEGV in QObject::event() + signon-ui crashed with SIGSEGV in QXcbWindow::updateNetWmUserTime()
tags:	removed: need-amd64-retrace

Revision history for this message

Launchpad Janitor (janitor) wrote on 2013-07-21:

#5

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in signon-ui (Ubuntu):
status:	New → Confirmed

Apport retracing service (apport) on 2013-10-03

tags:

added: bugpattern-needed

Apport retracing service (apport) on 2014-02-16

tags:

added: trusty

Alberto Salvia Novella (es20490446e) on 2014-10-30

description:

updated

Alberto Salvia Novella (es20490446e) on 2014-10-30

Changed in signon-ui (Ubuntu):
status:	Confirmed → Triaged
information type:	Private → Public

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