Hi,
do not be woried, I am just trying to find a solution with you: I saw
many SIGSEGV messages too. Very often, it was my source that was not
right! Make sure that your code is perfect!
Alain
On Tue, 2006-03-28 at 20:47 +0000, Panagiotis Sidiropoulos wrote:
> Following backtrace instructions as provided on wiki, I got it running
> in debug mode. Unfortunately I cannot decode this information. Can you
> please take a look and guide me about the direction I should investigate
> my source code?
>
> (gdb) break fpc_raiseexception
> Breakpoint 1 at 0x8062de6
> (gdb) run
> Starting program: /home/panos/projects/dicrionary.prj/0. Active/mgde
> [Thread debugging using libthread_db enabled]
> [New Thread -1217198400 (LWP 12502)]
> TGtk2WSCustomListBox.SetBorder TODO
>
> (mgde:12502): Gtk-CRITICAL **: gtk_text_buffer_emit_insert: assertion
> `g_utf8_validate (text, len, NULL)' failed
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1217198400 (LWP 12502)]
> 0x080680b3 in SYSTEM_TRY_CONCAT_FREE_CHUNK$PMEMCHUNK_VAR
> $$PMEMCHUNK_VAR()
>
> and battrace report
>
> (gdb) bt
> #0 0x080680b3 in SYSTEM_TRY_CONCAT_FREE_CHUNK$PMEMCHUNK_VAR
> $$PMEMCHUNK_VAR ()
> #1 0xb6df33a0 in ?? ()
> #2 0x00000100 in ?? ()
> #3 0x08068652 in SYSTEM_SYSFREEMEM_VAR$PMEMCHUNK_VAR$$LONGINT ()
> #4 0xb6df33a0 in ?? ()
> #5 0xbfffe0ac in ?? ()
> #6 0x080686ab in SYSTEM_SYSFREEMEM$POINTER$$LONGINT ()
> #7 0xb73b3e98 in ?? ()
> #8 0xbfffe0ac in ?? ()
> #9 0x08068932 in SYSTEM_SYSREALLOCMEM$POINTER$LONGINT$$POINTER ()
> #10 0x000001c0 in ?? ()
> #11 0x000001aa in ?? ()
> #12 0x000001b7 in ?? ()
> #13 0x0000000d in ?? ()
> #14 0x08067bdd in SYSTEM_REALLOCMEM$POINTER$LONGINT$$POINTER ()
> #15 0x0805de81 in fpc_ansistr_setlength ()
> #16 0xbfffe0ac in ?? ()
> #17 0xbfffe0bc in ?? ()
> #18 0x0000000d in ?? ()
> #19 0x000001aa in ?? ()
> #20 0xb6f0e028 in ?? ()
> #21 0xb710e030 in ?? ()
> #22 0x0805e089 in fpc_ansistr_append_ansistring ()
> #23 0xbfffe0ac in ?? ()
> #24 0xb7013e10 in ?? ()
> #25 0xbfffdfa0 in ?? ()
> #26 0xb6f0e028 in ?? ()
> #27 0x08093c45 in FORMATCURRENTTOPIC (UNFORMATTEDSTRING=
> {length = 255 '', st = {47 '/', 115 's', 91 '[', 100 'd', 105
> 'i', 100 'd', 122 'z', 104 'h', 69 'E', 115 's', 116 't', 115 's', 104
> 'h', 110 'n', 93 ']', 47 '/', 115 's', 32 ' ', 47 '/', 107 'k', 206 '�,
> 191 '', 207 '�, 133 '\205', 207
> '�, 131 '\203', 47 '/', 107 'k', 46 '.', 32 ' ', 47 '/', 99 'c', 207
> '�, 134 '\206', 207 '�, 133 '\205', 207 '�, 131 '\203', 206 '�, 185 '',
> 206 '�, 191 '', 206 '�, 187 '', 47 '/', 99 'c', 46 '.', 32 ' ', 40 '(',
> 207 '�, 137 '\211', 207 '�, 130 '\202', 32 ' ', 206 '�, 187 '', 206 '�,
> 181 '', 206 '�, 185 '', 207 '�, 132 '\204', 206 '�, 191 '', 207 '
> �, 133 '\205', 207 '�, 129 '\201', 206 '�, 179 '', 206 '�, 175 '', 206
> '�, 177 '', 32 ' ', 206 '�, 186 '', 206 '�, 177 '', 206 '�, 185 '', 32 '
> ', 206 '�, 185 '', 206 '�, 186 '', 206 '�, 177 '', 206 '�, 189 '', 207
> '�, 140 '\214', 207 '�, 132 '\204', 206 '�, 183 '', 207 '�, 132 '\204',
> 206 '�, 177 '', 58 ':', 41 ')', 32 ' ', 47 '/', 120 'x',
> 207 '�, 128 '\200', 206 '�, 173 '', 207 '�, 136 '\210', 206 '�, 183 '',
> 47 '/', 120 'x', 44 ',', 32 ' ', 47 '/', 120 'x', 207 '�, 135 '\207',
> 207 '�, 142 '\216', 206 '�, 189 '', 206 '�, 181 '', 207 '�, 133 '\205',
> 207 '�, 131 '\203', 206 '�, 183 '', 47 '/', 120 'x', 44 ',', 32 ' ', 47
> '/', 120 'x', 206 '�, 177 '', 207 '�, 134 '\206', 206 '�, 191 ''
> , 206 '�, 188 '', 206 '�, 191 '', 206 '�, 175 '', 207 '�, 137 '\211',
> 207 '�, 131 '\203', 206 '�, 183 '', 47 '/', 120 'x', 58 ':', 32 ' ', 47
> '/', 101 'e', 115 's', 117 'u', 98 'b', 115 's', 116 't', 97 'a', 110
> 'n', 99 'c', 101 'e', 32 ' ', 97 'a', 105 'i', 100 'd', 105 'i', 110
> 'n', 103 'g', 32 ' ', 100 'd', 105 'i', 103 'g', 101 'e', 115 's', 116
> 't', 105 '
> i', 111 'o', 110 'n', 47 '/', 101 'e', 32 ' ', 47 '/', 103 'g', 206 '�,
> 191 '', 207 '�, 133 '\205', 207 '�, 131 '\203'...}}, NCANVASWIDTH=19,
> DICTIONARYDATASET=0xb6f0e028, THEFORM=0xb720e028) at
> dictionariesdrawtopicfunctionsunit.pas:1064
> #28 0x08080211 in TMAINFORM__WORDSFOUNDLISTBOXSELECTIONCHANGE
> (SENDER=0xb7225068, USER=true, this=0xb720e028)
> at mainunit.pas:1016
> #29 0x0812de8a in TCUSTOMLISTBOX__DOSELECTIONCHANGE (USER=true,
> this=0xb7225068) at customlistbox.inc:399
> #30 0x0812d9e6 in TCUSTOMLISTBOX__LMSELCHANGE (THEMESSAGE={formal}
> 0xbfffe3ec, this=0xb7225068) at customlistbox.inc:239
> #31 0x080623dd in SYSTEM_TOBJECT_$__DISPATCH$formal ()
> #32 0x0812d98c in TCUSTOMLISTBOX__LMMEASUREITEM (THEMESSAGE={MSG = 564,
> IDCTL = 0, MEASUREITEMSTRUCT = 0x0, RESULT = 0},
> this=0xb7225068) at customlistbox.inc:227
> #33 0x08100bd5 in TWINCONTROL__WNDPROC (MESSAGE=
> {MSG = 564, WPARAM = 0, LPARAM = 0, RESULT = 0, WPARAMLO = 0,
> WPARAMHI = 0, LPARAMLO = 0, LPARAMHI = 0, RESULTLO = 0, RESULTHI = 0},
> this=0xb7225068) at wincontrol.inc:3347
> #34 0x081cc34d in DELIVERMESSAGE (TARGET=0xb7225068, AMESSAGE={formal}
> 0xbfffe3ec) at gtkproc.inc:3462
> #35 0x08207a04 in GTK2WS_LISTBOXCHANGE (SELECTION=0x86cc948,
> WIDGETINFO=0xb76dda78) at gtk2wsstdctrls.pp:250
> #36 0xb7b61f0b in g_cclosure_marshal_VOID__VOID ()
> from /usr/lib/libgobject-2.0.so.0
> #37 0xb7b55839 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
> #38 0xb7b650ea in g_signal_stop_emission ()
> from /usr/lib/libgobject-2.0.so.0
> #39 0xb7b66970 in g_signal_emit_valist ()
> from /usr/lib/libgobject-2.0.so.0
> #40 0xb7b66cd9 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
> #41 0xb7d77890 in _gtk_tree_selection_internal_select_node ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #42 0xb7d8acb0 in gtk_tree_view_scroll_to_cell ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #43 0xb7d92dec in gtk_tree_view_set_model ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #44 0xb7cb4b3a in _gtk_marshal_BOOLEAN__ENUM_INT ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #45 0xb7b55179 in g_cclosure_new_swap ()
> from /usr/lib/libgobject-2.0.so.0
> #46 0xb7b55839 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
> #47 0xb7b657f5 in g_signal_stop_emission ()
> from /usr/lib/libgobject-2.0.so.0
> #48 0xb7b660ab in g_signal_emitv () from /usr/lib/libgobject-2.0.so.0
> #49 0xb7be21dd in gtk_bin_get_child () from /usr/lib/libgtk-x11-2.0.so.0
> #50 0xb7be32cc in gtk_binding_set_by_class ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #51 0xb7be3568 in gtk_binding_set_by_class ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #52 0xb7be376d in gtk_bindings_activate_event ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #53 0xb7da5ec8 in gtk_widget_activate ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #54 0xb7d90ba9 in gtk_tree_view_set_search_equal_func ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #55 0xb7cb47f0 in _gtk_marshal_BOOLEAN__BOXED ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #56 0xb7b55179 in g_cclosure_new_swap ()
> from /usr/lib/libgobject-2.0.so.0
> #57 0xb7b55839 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
> #58 0xb7b657f5 in g_signal_stop_emission ()
> from /usr/lib/libgobject-2.0.so.0
> #59 0xb7b666de in g_signal_emit_valist ()
> from /usr/lib/libgobject-2.0.so.0
> #60 0xb7b66cd9 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
> #61 0xb7da60c4 in gtk_widget_activate ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #62 0xb7db6a93 in gtk_window_propagate_key_event ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #63 0xb7dbb23c in gtk_window_activate_key ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #64 0xb7cb47f0 in _gtk_marshal_BOOLEAN__BOXED ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #65 0xb7b55179 in g_cclosure_new_swap ()
> from /usr/lib/libgobject-2.0.so.0
> #66 0xb7b55839 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
> #67 0xb7b657f5 in g_signal_stop_emission ()
> from /usr/lib/libgobject-2.0.so.0
> #68 0xb7b666de in g_signal_emit_valist ()
> from /usr/lib/libgobject-2.0.so.0
> #69 0xb7b66cd9 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
> #70 0xb7da60c4 in gtk_widget_activate ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #71 0xb7cb2d45 in gtk_propagate_event ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #72 0xb7cb3093 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
> #73 0xb7f992da in _gdk_events_queue () from /usr/lib/libgdk-x11-2.0.so.0
> #74 0xb7aebb8c in g_main_context_dispatch ()
> from /usr/lib/libglib-2.0.so.0
> #75 0xb7aeef6b in g_main_context_check () from /usr/lib/libglib-2.0.so.0
> #76 0xb7aef447 in g_main_context_iteration ()
> from /usr/lib/libglib-2.0.so.0
> #77 0xb7cb19c3 in gtk_main_iteration_do ()
> from /usr/lib/libgtk-x11-2.0.so.0
> #78 0x081663b6 in TGTKWIDGETSET__APPWAITMESSAGE (this=0xb7680028) at
> gtkobject.inc:1796
> #79 0x080779d3 in TAPPLICATION__IDLE (WAIT=true, this=0xb76a8028) at
> application.inc:280
> #80 0x08078e01 in TAPPLICATION__HANDLEMESSAGE (this=0xb76a8028) at
> application.inc:900
> #81 0x08079174 in RUNMESSAGE (parentfp=0xbffff9d0) at
> application.inc:1017
> #82 0x080790bf in TAPPLICATION__RUNLOOP (this=0xb76a8028) at
> application.inc:1027
> #83 0x08099fe7 in TWIDGETSET__APPRUN (ALOOP=0x8079080
> <TAPPLICATION__RUNLOOP>, this=0xb7680028) at interfacebase.inc:42
> #84 0x0807906c in TAPPLICATION__RUN (this=0xb76a8028) at
> application.inc:1006
> #85 0x080587c7 in main () at mgde.lpr:26
>
> Regards, Panagiotis
>
> Στις 28-03-2006, ημέρα Τρι, και ώρα 19:16 +0200, ο/η Darius Blaszijk
> έγραψε:
> > Panagiotis,
> >
> > If you want more information on where an error in your app starts, look at
> > the wiki there's a page on how to make a backtrace. If you still don't see
> > where the problem is, then post the bt here.
> >
> > Darius
> >
> >
> > ----- Original Message -----
> > From: "Panagiotis Sidiropoulos" <[EMAIL PROTECTED]>
> > To: <lazarus@miraclec.com>
> > Sent: Tuesday, March 28, 2006 5:59 PM
> > Subject: [lazarus] SIGSEGV error
> >
> >
> > > While running my application and try several things, I get errors:
> > >
> > > - Project <project title> class 'External: SIGSEGV'
> > > - Access violation
> > >
> > > just the one after the other, if running through IDE. When running
> > > executable directly I get 'Access violation' only.
> > >
> > > There is not specific point this error is produced so I'm completely
> > > confused. Maybe it is related to compiler settings, maybe this has to do
> > > to my limited undestanding of Linux system, I don't know. I wish I could
> > > provide more information but I do not have anything more than above
> > > mentioned, at least I don't know what information would be useful.
> > >
> > > Searching list archive, Lazarus/FreePascal forums and web, I found
> > > several related posts, most regarding Windows or prior revisions of
> > > Lazarus on Linux. I was getting similar error once again and was related
> > > to sqldb. That problem solved by upgrading fpc and lazarus as suggested
> > > by list members.
> > >
> > > If anyone is familiar to this, behaviour even not getting necessary
> > > information, please advise or suggest what to check.
> > >
> > > OS Linux
> > > Lazarus v0.9.13 beta, r9022
> > > FPC r3068
> > >
> > > Regards, Panagiotis
> > >
> > > _________________________________________________________________
> > > To unsubscribe: mail [EMAIL PROTECTED] with
> > > "unsubscribe" as the Subject
> > > archives at http://www.lazarus.freepascal.org/mailarchives
> >
> > _________________________________________________________________
> > To unsubscribe: mail [EMAIL PROTECTED] with
> > "unsubscribe" as the Subject
> > archives at http://www.lazarus.freepascal.org/mailarchives
> >
>
> _________________________________________________________________
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