qtemu crashed with SIGSEGV in QString::trimmed()

1)
root@esp-patben-amd:/usr/lib# lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10

2)
root@esp-patben-amd:/usr/lib# lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10
root@esp-patben-amd:/usr/lib# apt-cache policy qtemu
qtemu:
  Zainstalowana: 2.0~alpha1-1ubuntu5
  Kandydująca: 2.0~alpha1-1ubuntu5
  Tabela wersji:
 *** 2.0~alpha1-1ubuntu5 0
        500 http://archive.ubuntu.com/ubuntu/ saucy/universe amd64 Packages
        100 /var/lib/dpkg/status

3)
I expect qtemu to run normally

4)
qtemu crashed after creating new machine through wizard

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: qtemu 2.0~alpha1-1ubuntu5
ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
Uname: Linux 3.11.0-13-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Fri Nov 8 15:57:42 2013
ExecutablePath: /usr/bin/qtemu
InstallationDate: Installed on 2013-05-28 (163 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
ProcCmdline: qtemu
SegvAnalysis:
 Segfault happened at: 0x7f06a21d0ad7 <_ZNK7QString7trimmedEv+23>: mov 0x8(%rdx),%r11d
 PC (0x7f06a21d0ad7) ok
 source "0x8(%rdx)" (0x000000f8) not located in a known VMA region (needed readable region)!
 destination "%r11d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: qtemu
StacktraceTop:
 QString::trimmed() const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 QLocalePrivate::stringToLongLong(QString const&, int, bool*, QLocalePrivate::GroupSeparatorMode) const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 QString::toLongLong(bool*, int) const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 QString::toInt(bool*, int) const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 QtEmuEnvironment::getVersion() ()
Title: qtemu crashed with SIGSEGV in QString::trimmed()
UpgradeStatus: Upgraded to saucy on 2013-10-30 (9 days ago)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo