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[Bug 1224027] [NEW] mythfrontend.real crashed with SIGSEGV in QKeySequence::assign()

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Public bug reported:

Crashed while watching TV

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: mythtv-frontend 2:0.27.0+fixes.20130911.7a7aff2-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.27]
ProcVersionSignature: Ubuntu 3.2.0-53.81-generic-pae 3.2.50
Uname: Linux 3.2.0-53-generic-pae i686
NonfreeKernelModules: nvidia
.var.log.mythtv.mtd.log:
 mtd started at Mon Sep 27 02:48:58 2010
 mtd is running on a host called supermario
 02:48:58: Waiting for connections/jobs
 02:48:58: mtd is listening on port 2442
.var.log.mythtv.mythavtest.log:
 
.var.log.mythtv.mythccextractor.log:
 
.var.log.mythtv.mythjobqueue.log:
 
.var.log.mythtv.mythlcdserver.log:
 
.var.log.mythtv.mythmediaserver.log:
 
.var.log.mythtv.mythmessage.log:
 
.var.log.mythtv.mythshutdown.log:
 
.var.log.mythtv.mythutil.log:
 
.var.log.mythtv.mythwelcome.log:
 
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
CrashDB: mythbuntu
Date: Wed Sep 11 12:40:26 2013
ExecutablePath: /usr/bin/mythfrontend.real
Installed_mythtv_dbg: 2:0.27.0+fixes.20130911.7a7aff2-0ubuntu0mythbuntu2
MarkForUpload: True
ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb571cbca:	mov    (%esi),%eax
 PC (0xb571cbca) ok
 source "(%esi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
 QKeySequence::assign(QString const&, QKeySequence::SequenceFormat) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
 QKeySequence::assign(QString const&) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
 QKeySequence::QKeySequence(QString const&) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
 LIRC::Process (this=0x89a1e00, data=...) at lirc.cpp:362
Title: mythfrontend.real crashed with SIGSEGV in QKeySequence::assign()
UpgradeStatus: Upgraded to precise on 2012-02-17 (572 days ago)
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video
XsessionErrors:
 (xfwm4:8550): xfwm4-WARNING **: The display does not support the XComposite extension.
 (xfwm4:8550): xfwm4-WARNING **: Compositing manager disabled.
 (xfce4-settings-helper:8634): xfce4-settings-helper-WARNING **: Failed to get the _NET_NUMBER_OF_DESKTOPS property.
 (polkit-gnome-authentication-agent-1:8580): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
 (polkit-gnome-authentication-agent-1:8580): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

** Affects: mythbuntu
     Importance: Undecided
         Status: New


** Tags: apport-crash i386 need-i386-retrace precise third-party-packages

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1224027

Title:
  mythfrontend.real crashed with SIGSEGV in QKeySequence::assign()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  New

Bug description:
  Crashed while watching TV

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-frontend 2:0.27.0+fixes.20130911.7a7aff2-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.27]
  ProcVersionSignature: Ubuntu 3.2.0-53.81-generic-pae 3.2.50
  Uname: Linux 3.2.0-53-generic-pae i686
  NonfreeKernelModules: nvidia
  .var.log.mythtv.mtd.log:
   mtd started at Mon Sep 27 02:48:58 2010
   mtd is running on a host called supermario
   02:48:58: Waiting for connections/jobs
   02:48:58: mtd is listening on port 2442
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythlcdserver.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythmessage.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: i386
  CrashDB: mythbuntu
  Date: Wed Sep 11 12:40:26 2013
  ExecutablePath: /usr/bin/mythfrontend.real
  Installed_mythtv_dbg: 2:0.27.0+fixes.20130911.7a7aff2-0ubuntu0mythbuntu2
  MarkForUpload: True
  ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xb571cbca:	mov    (%esi),%eax
   PC (0xb571cbca) ok
   source "(%esi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
   QKeySequence::assign(QString const&, QKeySequence::SequenceFormat) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
   QKeySequence::assign(QString const&) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
   QKeySequence::QKeySequence(QString const&) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
   LIRC::Process (this=0x89a1e00, data=...) at lirc.cpp:362
  Title: mythfrontend.real crashed with SIGSEGV in QKeySequence::assign()
  UpgradeStatus: Upgraded to precise on 2012-02-17 (572 days ago)
  UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video
  XsessionErrors:
   (xfwm4:8550): xfwm4-WARNING **: The display does not support the XComposite extension.
   (xfwm4:8550): xfwm4-WARNING **: Compositing manager disabled.
   (xfce4-settings-helper:8634): xfce4-settings-helper-WARNING **: Failed to get the _NET_NUMBER_OF_DESKTOPS property.
   (polkit-gnome-authentication-agent-1:8580): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
   (polkit-gnome-authentication-agent-1:8580): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

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