<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> <html><head><meta name="qrichtext" content="1" /><style type="text/css"> p, li { white-space: pre-wrap; } </style></head><body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;"> Stephan Thanks for the reply. I'm now thinking I've got something more fundamental wrong, other than where it's stopped. Luckily I've not deleted what I did last year - when I was happily using gdb. A backtrace gives these results - <ul style="margin-top: 0px; margin-bottom: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#0 0xb73be8ca in poll () from /lib/libc.so.6</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#1 0xb36b187b in g_poll () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#2 0xb36a3290 in ?? () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#3 0xb36a33f1 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#4 0xb14b188e in GtkData::Yield (this=0x81abdd8, bWait=true, bHandleAllCurrentEvents=false) at /home/libreoffice/core/vcl/unx/gtk/app/gtkdata.cxx:586</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#5 0xb14b5093 in GtkInstance::Yield (this=0x81abd98, bWait=true, bHandleAllCurrentEvents=false) at /home/libreoffice/core/vcl/unx/gtk/app/gtkinst.cxx:562</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#6 0xb4bbda78 in ImplYield (i_bWait=true, i_bAllEvents=false) at /home/libreoffice/core/vcl/source/app/svapp.cxx:422</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#7 0xb4bb9d49 in Application::Yield (i_bAllEvents=false) at /home/libreoffice/core/vcl/source/app/svapp.cxx:456</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#8 0xb4bb9ce2 in Application::Execute () at /home/libreoffice/core/vcl/source/app/svapp.cxx:401</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#9 0xb75dc84e in desktop::Desktop::Main (this=0xbfc1bdb4) at /home/libreoffice/core/desktop/source/app/app.cxx:1696</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#10 0xb4bc6027 in ImplSVMain () at /home/libreoffice/core/vcl/source/app/svmain.cxx:163</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#11 0xb4bc610b in SVMain () at /home/libreoffice/core/vcl/source/app/svmain.cxx:199</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#12 0xb761b66c in soffice_main () at /home/libreoffice/core/desktop/source/app/sofficemain.cxx:82</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#13 0x080487d2 in sal_main () at /home/libreoffice/core/desktop/source/app/main.c:48</li> <li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#14 0x080487a9 in main (argc=4, argv=0xbfc1bef4) at /home/libreoffice/core/desktop/source/app/main.c:47</li></ul> When I do a backtrace on the non-working gdb I get the results below. Notice how the names of the files quoted are the binaries and not the source files with line numbers. <ul style="margin-top: 0px; margin-bottom: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#0 0xb75875b1 in poll () from /lib/libc.so.6</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#1 0xb34e292b in g_poll () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#2 0xb10296e2 in gpoll_wrapper(_GPollFD*, unsigned int, int) () from /home/libreoffice/Downloads/core/instdir/program/libvclplug_kde4lo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#3 0xb34d3b68 in ?? () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#4 0xb34d3ca8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#5 0xb049e72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#6 0xafa22cfe in ?? () from /usr/lib/libQtGui.so.4</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#7 0xb1029b56 in KDEXLib::processYield(bool, bool) () from /home/libreoffice/Downloads/core/instdir/program/libvclplug_kde4lo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#8 0xb1029a0a in KDEXLib::Yield(bool, bool) () from /home/libreoffice/Downloads/core/instdir/program/libvclplug_kde4lo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#9 0xaf5d63fb in X11SalInstance::Yield(bool, bool) () from /home/libreoffice/Downloads/core/instdir/program/libvclplug_genlo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#10 0xb4a22b1c in ImplYield(bool, bool) () from /home/libreoffice/Downloads/core/instdir/program/libvcllo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#11 0xb4a1ef4e in Application::Yield() () from /home/libreoffice/Downloads/core/instdir/program/libvcllo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#12 0xb4a1eef1 in Application::Execute() () from /home/libreoffice/Downloads/core/instdir/program/libvcllo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#13 0xb767e2d2 in desktop::Desktop::Main() () from /home/libreoffice/Downloads/core/instdir/program/libsofficeapp.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#14 0xb4a27c65 in ImplSVMain() () from /home/libreoffice/Downloads/core/instdir/program/libvcllo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#15 0xb4a27d63 in SVMain() () from /home/libreoffice/Downloads/core/instdir/program/libvcllo.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#16 0xb76bc373 in soffice_main () from /home/libreoffice/Downloads/core/instdir/program/libsofficeapp.so</li> <li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#17 0x080487b6 in sal_main ()</li> <li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#18 0x0804878d in main ()</li></ul> If I pick one of those binaries this is what I find. gdb working <ul style="margin-top: 0px; margin-bottom: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">5119499 0 lrwxrwxrwx 1 frida users 54 Aug 20 15:25 /media/sdb2/libreoffice/core/solver/unxlngi6/installation/opt/program/libvcllo.so -> /home/libreoffice/core/solver/unxlngi6/lib/libvcllo.so</li> <li style=" font-family:'courier new';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">5374164 80548 -rwxr-xr-x 1 frida users 82480814 Aug 20 14:30 /media/sdb2/libreoffice/core/solver/unxlngi6/lib/libvcllo.so</li> <li style=" font-family:'courier new';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">5244837 80552 -rwxr-xr-x 1 frida users 82480814 Aug 20 14:30 /media/sdb2/libreoffice/core/workdir/unxlngi6/LinkTarget/Library/libvcllo.so</li> <li style=" font-family:'courier new';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">5117432 0 -rw-r--r-- 1 frida users 0 Mar 29 2013 /media/sdb2/libreoffice/core/workdir/unxlngi6/ExternalHeaders/Library/libvcllo.so</li> <li style=" font-family:'courier new';" style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">6044105 0 -rw-r--r-- 1 frida users 0 Mar 29 2013 /media/sdb2/libreoffice/core/workdir/unxlngi6/Headers/Library/libvcllo.so</li></ul> gdb not working <ul style="margin-top: 0px; margin-bottom: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">2235759 0 -rw-r--r-- 1 libreoffice users 0 Jan 8 17:51 Downloads/core/workdir/Headers/Library/libvcllo.so</li> <li style=" font-family:'courier new';" style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">1574201 20372 -rwxr-xr-x 1 libreoffice users 20857556 Jan 8 17:58 Downloads/core/instdir/program/libvcllo.so</li></ul> The file on the working gdb is a lot larger than that on the the one where gdb is not working. The default file as packaged by my distro is - <ul style="margin-top: 0px; margin-bottom: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">2387291 9340 -rwxr-xr-x 1 root root 9561712 Dec 19 08:54 /usr/lib/libreoffice/program/libvcllo.so</li></ul> All this seems to suggest that I haven't compiled correctly to get the best out of gdb. I've only ever used --enable-dbgutil flag and compiled with make && make dev-install As make dev-install is no obsolete I just compile with make Any thoughts. I must have done something stupid but I can't spot it? Alex On Wednesday 08 Jan 2014 17:27:41 Stephan Bergmann wrote: > On 01/08/2014 05:12 PM, Alex McMurchy wrote: > > This is what I get towards the back end of gdb when assigning it to a running > > soffice.bin - > > > > Reading symbols from > > /home/libreoffice/Downloads/core/instdir/ure/lib/libreflectionlo.so...done. > > Loaded symbols for > > /home/libreoffice/Downloads/core/instdir/ure/lib/libreflectionlo.so > > Reading symbols from > > /home/libreoffice/Downloads/core/instdir/program/../program/libfwllo.so...done. > > Loaded symbols for > > /home/libreoffice/Downloads/core/instdir/program/../program/libfwllo.so > > 0xb75725b1 in poll () from /lib/libc.so.6 > > Traceback (most recent call last): > > File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3600.4-gdb.py", > > line 9, in <module> > > from gobject import register > > File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module> > > import gdb.backtrace > > ImportError: No module named backtrace > > (gdb) list > > 1 ../sysdeps/i386/crti.S: No such file or directory. > > (gdb) > > The thread that gdb happens to make the "current" one when it stopped > soffice.bin after attaching apparently happens to be in a runtime > library function for which you have no source code around. Use "thread" > and "frame" commands to go to a meanigful frame to "list". > > Stephan > </body></html>