[Lazarus] Lazarus frozen on F1

Wed Feb 8 16:28:31 CET 2012

For sure the help system could be improved. 
But about this error i don`t have any single idea.

Em 08/02/2012, às 13:23, Felipe Monteiro de Carvalho escreveu:

> Hello,
> 
> I have a strange issue. I configured chm help and everything was fine
> and nice and then I restarted my IDE and suddenly on pressing F1 my
> IDE froze instead of bringing LHelp. And now it always does that even
> after I restarted the computer =( The IDE remains frozen in this
> syscall:
> 
> (gdb) bt
> #0  0xffffe430 in __kernel_vsyscall ()
> #1  0x0805e778 in SYSTEM_FPSYSCALL$LONGINT$LONGINT$LONGINT$LONGINT$$LONGINT ()
> #2  0x0805e8d8 in SYSTEM_FPOPEN$PCHAR$LONGINT$LONGWORD$$LONGINT ()
> #3  0x080fe8da in BASEUNIX_FPOPEN$PCHAR$LONGINT$$LONGINT ()
> #4  0x08092a1a in SYSUTILS_FILEOPEN$ANSISTRING$LONGINT$$LONGINT ()
> #5  0xadcbb768 in ?? ()
> #6  0x087d65dc in SIMPLEIPC_TPIPECLIENTCOMM_$__CONNECT ()
> #7  0x087d7627 in SIMPLEIPC_TSIMPLEIPCCLIENT_$__CONNECT ()
> #8  0x087d7445 in SIMPLEIPC_TSIMPLEIPCCLIENT_$__ACTIVATE ()
> #9  0x087d6f5d in SIMPLEIPC_TSIMPLEIPC_$__SETACTIVE$BOOLEAN ()
> #10 0xae599a38 in ?? ()
> #11 0x0899bf6c in TCHMHELPVIEWER__SHOWNODE (NODE=0xadcbb700,
> ERRMSG=0x0, this=<error reading variable>) at lazchmhelp.pas:425
> #12 0x0878ad28 in THTMLHELPDATABASE__SHOWURL (URL=0xadcd6c88
> 'lcl.chm://comctrls/tstatusbar.html', TITLE=
>    0x90948b0 'LCL - Lazarus Component Library Units', ERRMSG=0x0,
> this=<error reading variable>) at lazhelphtml.pas:211
> #13 0x0873a264 in TFPDOCHTMLHELPDATABASE__SHOWHELP (QUERY=0xadcbb580,
> BASENODE=0x0, NEWNODE=0xb63e6760, QUERYITEM=0xae52f760, ERRMSG=
>    0x0, this=<error reading variable>) at helpfpdoc.pas:174
> #14 0x08785d42 in THELPDATABASES__SHOWHELPFORNODES (QUERY=0xadcbb580,
> NODES=0xae52f7a0, ERRMSG=0x0, this=<error reading variable>)
>    at lazhelpintf.pas:1537
> #15 0x0878691b in THELPDATABASES__SHOWHELPFORPASCALCONTEXTS
> (QUERY=0xadcbb580, ERRMSG=0x0, this=<error reading variable>)
>    at lazhelpintf.pas:1715
> #16 0x08785dc2 in THELPDATABASES__SHOWHELPFORQUERY (QUERY=0xadcbb580,
> AUTOFREEQUERY=true, ERRMSG=0x0, this=<error reading variable>)
>    at lazhelpintf.pas:1546
> #17 0x08293da8 in SHOWHELPFORPASCALCONTEXTS (FILENAME=
>    0xb6060788 '/home/felipe/Programas/lazarus/components/chmhelp/lhelp/httpcontentprovider.pas',
> SOURCEPOSITION=...,
>    LISTOFPASCALHELPCONTEXTLIST=0xae52f780, ERRMSG=0x0) at helpintfs.pas:382
> ---Type <return> to continue, or q <return> to quit---
> #18 0x08434ad2 in COLLECTDECLARATIONS (CODEBUFFER=0xae5886a0,
> COMPLETE=true, parentfp=0xbfffe23c) at idehelpmanager.pas:1398
> #19 0x0843486e in TIDEHELPMANAGER__SHOWHELPFORSOURCEPOSITION (FILENAME=
>    0xb6060788 '/home/felipe/Programas/lazarus/components/chmhelp/lhelp/httpcontentprovider.pas',
> CODEPOS=..., ERRMSG=0x0, this=
>    <error reading variable>) at idehelpmanager.pas:1427
> #20 0x08433e85 in TIDEHELPDATABASES__SHOWHELPFORSOURCEPOSITION
> (QUERY=0xb6aa8400, ERRMSG=0x0, this=<error reading variable>)
>    at idehelpmanager.pas:1103
> #21 0x08785e94 in THELPDATABASES__SHOWHELPFORQUERY (QUERY=0xb6aa8400,
> AUTOFREEQUERY=true, ERRMSG=0x0, this=<error reading variable>)
>    at lazhelpintf.pas:1556
> #22 0x08293e32 in SHOWHELPORERRORFORSOURCEPOSITION (FILENAME=
>    0xb6060788 '/home/felipe/Programas/lazarus/components/chmhelp/lhelp/httpcontentprovider.pas',
> SOURCEPOSITION=...)
>    at helpintfs.pas:394
> #23 0x084c0325 in TSOURCEEDITOR__FINDHELPFORSOURCEATCURSOR
> (this=<error reading variable>) at sourceeditor.pp:3622
> #24 0x084be5e7 in TSOURCEEDITOR__PROCESSUSERCOMMAND
> (SENDER=0xae1a42a0, COMMAND=1904, ACHAR=..., DATA=0x0, this=
>    <error reading variable>) at sourceeditor.pp:3006
> #25 0x0865d39b in TCUSTOMSYNEDIT__DOONPROCESSCOMMAND (COMMAND=1904,
> ACHAR=..., DATA=0x0, this=<error reading variable>)
>    at synedit.pp:6223
> #26 0x0865b082 in TCUSTOMSYNEDIT__COMMANDPROCESSOR (COMMAND=1904,
> ACHAR=..., DATA=0x0, this=<error reading variable>)
>    at synedit.pp:5595
> #27 0x0865211c in TCUSTOMSYNEDIT__KEYDOWN (KEY=0, SHIFT=...,
> this=<error reading variable>) at synedit.pp:2575
> #28 0x08205366 in TWINCONTROL__KEYDOWNBEFOREINTERFACE (KEY=0,
> SHIFT=..., this=<error reading variable>)
>    at ./include/wincontrol.inc:5518
> #29 0x08205654 in TWINCONTROL__DOKEYDOWNBEFOREINTERFACE (MESSAGE=...,
> ISRECURSECALL=false, this=<error reading variable>)
>    at ./include/wincontrol.inc:5687
> #30 0x08207ba9 in TWINCONTROL__CNKEYDOWN (MESSAGE=..., this=<error
> reading variable>) at ./include/wincontrol.inc:6977
> #31 0x0806d336 in SYSTEM_TOBJECT_$__DISPATCH$formal ()
> ---Type <return> to continue, or q <return> to quit---
> #32 0x08207b90 in RAISELOOP (parentfp=0xbfffe774) at
> ./include/wincontrol.inc:6886
> #33 0x08204b1a in TWINCONTROL__WNDPROC (MESSAGE=..., this=<error
> reading variable>) at ./include/wincontrol.inc:5276
> #34 0x08659ed6 in TCUSTOMSYNEDIT__WNDPROC (MSG=..., this=<error
> reading variable>) at synedit.pp:5194
> #35 0x082af101 in DELIVERMESSAGE (TARGET=0xae1a42a0, AMESSAGE=void) at
> lclmessageglue.pas:113
> #36 0x08279b55 in DELIVERMESSAGE (TARGET=0xae1a42a0, AMESSAGE=void) at
> ./gtk2/gtk2proc.inc:3555
> #37 0x08277d1a in DELIVERKEYMESSAGE (TARGET=0xae1a42a0, AMESSAGE=void,
> parentfp=0xbfffe794) at ./gtk2/gtk2proc.inc:1957
> #38 0x0827722d in HANDLEGTKKEYUPDOWN (AWIDGET=0x9562d10,
> AEVENT=0x95585a0, ADATA=0xae19f120, ABEFOREEVENT=true,
> AHANDLEDOWN=true,
>    AEVENTNAME=0x8ac9880 'key-press-event') at ./gtk2/gtk2proc.inc:2313
> #39 0x081cd3ae in GTK2KEYDOWN (WIDGET=0x9562d10, EVENT=0x95585a0,
> DATA=0xae19f120) at ./gtk2/gtk2widgetset.inc:84
> #40 0xb7b22354 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
> #41 0xb78fa384 in g_closure_invoke () from /lib/libgobject-2.0.so.0
> #42 0xb790cdcc in ?? () from /lib/libgobject-2.0.so.0
> #43 0xb7915d6a in g_signal_emit_valist () from /lib/libgobject-2.0.so.0
> #44 0xb7916103 in g_signal_emit () from /lib/libgobject-2.0.so.0
> #45 0xb7c57f56 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
> #46 0xb7b205b3 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
> #47 0xb7b208df in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
> #48 0xb799579a in ?? () from /usr/lib/libgdk-x11-2.0.so.0
> #49 0xb783d4d9 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
> #50 0xb783dce0 in ?? () from /lib/libglib-2.0.so.0
> #51 0xb783df9a in g_main_context_iteration () from /lib/libglib-2.0.so.0
> #52 0x081d1727 in TGTK2WIDGETSET__APPWAITMESSAGE (this=<error reading
> variable>) at ./gtk2/gtk2widgetset.inc:2513
> #53 0x080a1761 in TAPPLICATION__IDLE (WAIT=true, this=<error reading
> variable>) at ./include/application.inc:417
> #54 0x080a32f0 in TAPPLICATION__HANDLEMESSAGE (this=<error reading
> variable>) at ./include/application.inc:1281
> #55 0x080a36de in TAPPLICATION__RUNLOOP (this=<error reading
> variable>) at ./include/application.inc:1413
> ---Type <return> to continue, or q <return> to quit---
> #56 0x08104421 in TWIDGETSET__APPRUN (ALOOP=0x80a36a0
> <TAPPLICATION__RUNLOOP>, this=<error reading variable>)
>    at ./include/interfacebase.inc:60
> #57 0x080a3691 in TAPPLICATION__RUN (this=<error reading variable>) at
> ./include/application.inc:1401
> #58 0x0805e530 in main () at lazarus.pp:119
> (gdb)
> 
> Any ideas what could be the problem?
> 
> thanks,
> -- 
> Felipe Monteiro de Carvalho
> 
> --
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