libreport version: 2.0.10 abrt_version: 2.0.10 backtrace_rating: 4 cmdline: assistant-qt4 comment: It runs for the first time. crashes in subsequent runs. It is possible to run it once again by removing .local/share/data/Trolltech/Assistant/qthelpcollection_4.8.2.qhc crash_function: MainWindow::updateApplicationFont executable: /usr/bin/assistant-qt4 kernel: 3.3.7-1.fc17.x86_64 pid: 11637 pwd: /home/hedayat time: چهارشنبه ۰۶ ژوئن ۱۲، ۱۳:۱۶:۱۵ uid: 1000 username: hedayat backtrace: Text file, 42185 bytes dso_list: Text file, 13277 bytes maps: Text file, 65183 bytes cgroup: :9:perf_event:/ :8:blkio:/ :7:net_cls:/ :6:freezer:/ :5:devices:/ :4:memory:/ :3:cpuacct,cpu:/ :2:cpuset:/ :1:name=systemd:/user/hedayat/2 core_backtrace: :cd98536366bd487c4c2f4513c901eecd0165b2b5 0x48cd7 - [exe] - :cd98536366bd487c4c2f4513c901eecd0165b2b5 0x49b98 - [exe] - :cd98536366bd487c4c2f4513c901eecd0165b2b5 0x23112 - [exe] - environ: :QT_GRAPHICSSYSTEM_CHECKED=1 :KDE_IS_PRELINKED=1 :LANG=fa_IR.utf8 :DISPLAY=:0 :SHLVL=1 :LOGNAME=hedayat :XDG_VTNR=1 :GNOME_KEYRING_PID=941 :CVS_RSH=ssh :IMSETTINGS_MODULE=none :XAUTHORITY=/var/run/gdm/auth-for-hedayat-pYSVfG/database :PWD=/home/hedayat :IMSETTINGS_INTEGRATE_DESKTOP=yes :XDG_SESSION_ID=2 :DESKTOP_SESSION=gnome :GDMSESSION=gnome :GNOME_KEYRING_CONTROL=/run/user/hedayat/keyring-V3BImb :USERNAME=hedayat :WINDOWPATH=1 :COLORTERM=gnome-terminal :GNOME_DESKTOP_SESSION_ID=this-is-deprecated :CCACHE_HASHDIR= :DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-RjHFbJahE4,guid=b27c94c6563d1a0edf0b340000000037 :'LESSOPEN=||/usr/bin/lesspipe.sh %s' :HISTCONTROL=ignoredups :MAIL=/var/spool/mail/hedayat :_=/usr/bin/assistant-qt4 :GDM_LANG=fa_IR.utf8 :OLDPWD=/home/hedayat/Projects/SOC :HOSTNAME=hedayat-lap.hvnet :SHELL=/bin/zsh :WINDOWID=44040198 :TERM=xterm :QT_IM_MODULE=xim :HISTSIZE=10000 :KDEDIRS=/usr :PATH=/usr/lib64/ccache:/usr/local/bin:/usr/bin:/bin:/home/hedayat/bin:/usr/local/sbin:/usr/sbin:/home/hedayat/.local/bin/ :SSH_AUTH_SOCK=/run/user/hedayat/keyring-V3BImb/ssh :HOME=/home/hedayat :XDG_SEAT=seat0 :XMODIFIERS=@im=none :XDG_RUNTIME_DIR=/run/user/hedayat :SESSION_MANAGER=local/unix:@/tmp/.ICE-unix/945,unix/unix:/tmp/.ICE-unix/945 :GPG_AGENT_INFO=/run/user/hedayat/keyring-V3BImb/gpg:0:1 :USER=hedayat :AUTOJUMP_DATA_DIR=/home/hedayat/.local/share/autojump :LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.tbz=01;31:*.tbz2=01;31:*.bz=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=01;36:*.au=01;36:*.flac=01;36:*.mid=01;36:*.midi=01;36:*.mka=01;36:*.mp3=01;36:*.mpc=01;36:*.ogg=01;36:*.ra=01;36:*.wav=01;36:*.axa=01;36:*.oga=01;36:*.spx=01;36:*.xspf=01;36:*.pdf=00;33:*.ps=00;33:*.ps.gz=00;33:*.txt=00;33:*.patch=00;33:*.diff=00;33:*.log=00;33:*.tex=00;33:*.xls=00;33:*.xlsx=00;33:*.ppt=00;33:*.pptx=00;33:*.rtf=00;33:*.doc=00;33:*.docx=00;33:*.odt=00;33:*.ods=00;33:*.odp=00;33:*.xml=00;33:*.epub=00;33:*.abw=00;33:*.html=00;33:*.wpd=00;33: :vcs_info_msg_0_= :vcs_info_msg_1_= limits: :Limit Soft Limit Hard Limit Units :Max cpu time unlimited unlimited seconds :Max file size unlimited unlimited bytes :Max data size unlimited unlimited bytes :Max stack size 8388608 unlimited bytes :Max core file size 0 unlimited bytes :Max resident set unlimited unlimited bytes :Max processes 1024 19702 processes :Max open files 1024 4096 files :Max locked memory 65536 65536 bytes :Max address space unlimited unlimited bytes :Max file locks unlimited unlimited locks :Max pending signals 19702 19702 signals :Max msgqueue size 819200 819200 bytes :Max nice priority 0 0 :Max realtime priority 0 0 :Max realtime timeout unlimited unlimited us open_fds: :0:/dev/pts/1 :pos: 0 :flags: 0100002 :1:/dev/pts/1 :pos: 0 :flags: 0100002 :2:/dev/pts/1 :pos: 0 :flags: 0100002 :3:anon_inode:[eventfd] :pos: 0 :flags: 02004002 :4:pipe:[69640] :pos: 0 :flags: 02004000 :5:pipe:[69640] :pos: 0 :flags: 02004001 :6:socket:[69641] :pos: 0 :flags: 02004002 :7:socket:[69644] :pos: 0 :flags: 02004002 :8:socket:[69648] :pos: 0 :flags: 02004002 :9:socket:[69650] :pos: 0 :flags: 02004002 :10:anon_inode:inotify :pos: 0 :flags: 02004000 :11:socket:[69652] :pos: 0 :flags: 02000002 :12:/home/hedayat/.local/share/data/Trolltech/Assistant/qthelpcollection_4.8.2.qhc :pos: 40 :flags: 02100002 :13:/home/hedayat/.local/share/data/Trolltech/Assistant/assistant.qch.4.8 :pos: 100 :flags: 02100002 :14:/usr/share/doc/qt4/qch/designer.qch :pos: 100 :flags: 02100000 :15:/usr/share/doc/qt4/qch/linguist.qch :pos: 100 :flags: 02100000 :16:anon_inode:inotify :pos: 0 :flags: 02000000 :17:/home/hedayat/.local/share/data/Trolltech/Assistant/qthelpcollection_4.8.2.qhc :pos: 40 :flags: 02100002 :18:/home/hedayat/.local/share/data/Trolltech/Assistant/assistant.qch.4.8 :pos: 24576 :flags: 02100002 :19:/usr/share/doc/qt4/qch/designer.qch :pos: 100 :flags: 02100000 :20:/usr/share/doc/qt4/qch/linguist.qch :pos: 100 :flags: 02100000 :21:anon_inode:[eventfd] :pos: 0 :flags: 02004002 :22:socket:[69657] :pos: 0 :flags: 02004002 :23:anon_inode:[eventfd] :pos: 0 :flags: 02004002 var_log_messages: :Jun 5 17:32:32 hedayat-lap kernel: [21491.186958] assistant-qt4[24399]: segfault at 1a03cc728 ip 0000000000448cd7 sp 00007fff9099ff40 error 4 in assistant-qt4[400000+eb000] :Jun 5 17:32:32 hedayat-lap abrt[24409]: Saved core dump of pid 24399 (/usr/bin/assistant-qt4) to /var/spool/abrt/ccpp-2012-06-05-17:32:32-24399 (37732352 bytes) :Jun 5 17:32:35 hedayat-lap kernel: [21494.869071] assistant-qt4[24432]: segfault at 19fd8c7d8 ip 0000000000448cd7 sp 00007fffd4d91e70 error 4 in assistant-qt4[400000+eb000] :Jun 5 17:32:35 hedayat-lap abrt[24442]: Not dumping repeating crash in '/usr/bin/assistant-qt4' :Jun 5 17:34:33 hedayat-lap kernel: [21612.716148] assistant-qt4[24545]: segfault at 1a1860898 ip 0000000000448cd7 sp 00007fff40694890 error 4 in assistant-qt4[400000+eb000] :Jun 5 17:34:34 hedayat-lap abrt[24555]: Saved core dump of pid 24545 (/usr/bin/assistant-qt4) to /var/spool/abrt/ccpp-2012-06-05-17:34:33-24545 (37089280 bytes) :Jun 6 13:16:15 hedayat-lap kernel: [ 6456.619054] assistant-qt4[11637]: segfault at 1a083d4d8 ip 0000000000448cd7 sp 00007fff4c746ff0 error 4 in assistant-qt4[400000+eb000] :Jun 6 13:16:16 hedayat-lap abrt[11647]: Saved core dump of pid 11637 (/usr/bin/assistant-qt4) to /var/spool/abrt/ccpp-2012-06-06-13:16:15-11637 (36982784 bytes)
Created attachment 589779 [details] File: dso_list
Created attachment 589780 [details] File: maps
Created attachment 589781 [details] File: backtrace
I also have this problem on a Fedora 17 with qt-assistant 4.8.2
Crashes imediatelly after start. backtrace_rating: 4 Package: qt-assistant-4.8.2-2.fc17 OS Release: Fedora release 17 (Beefy Miracle)
Moving .local/share/data/Trolltech/Assistant away makes it working again.
(In reply to comment #6) > Moving .local/share/data/Trolltech/Assistant away makes it working again. It works if I delete .local/share/data/Trolltech/Assistant, but it only works for one time. This program will crash if the file qthelpcollection_4.8.2.qhc exists. I did some digging on this. The program crashed at mainwindow.cpp:949 on "widget->setFont(font);" in function void MainWindow::updateApplicationFont(). I don't think this is related to font, because I have upgraded fontconfig and freetype library, it still crashes. The code caused crash is const QWidgetList &widgets = qApp->allWidgets(); foreach (QWidget* widget, widgets) widget->setFont(font); The only possible reason is that qApp->allWidgets() returned NULL widget in QWidgetList. This is just a guess, I haven't tested my theory. Hope this information can help to address the issue.
*** This bug has been marked as a duplicate of bug 810500 ***