[Lazarus] Dear developers, we need your help before releasing 0.9.26

[Mattias Gaertner]

On Sat, 20 Sep 2008 08:00:58 +0000
Mark Morgan Lloyd <markMLl.lazarus at telemetry.co.uk> wrote:

> Vincent Snijders wrote:
> > Mark Morgan Lloyd schreef:
> >> Using lazarus-0.9.25-20080828 compiled with FPC 2.2.0 which I
> >> believe is robust on SPARC, hosted on Debian "Etch" with KDE on an
> >> Ultra-60, I get:
> >>
> >> (gdb) run
> >> Starting program: /usr/local/share/lazarus-0.9.25/lazarus
> >> [Thread debugging using libthread_db enabled]
> >> [New Thread 16384 (LWP 31206)]
> >>
> >> Gdk-CRITICAL **: file gdkgc.c: line 502 (gdk_gc_set_function):
> >> assertion `gc != NULL' failed.
> >>
> >> Gdk-CRITICAL **: file gdkdraw.c: line 381 (gdk_draw_pixmap):
> >> assertion `gc != NULL' failed.
> >>
> >> Gdk-CRITICAL **: file gdkgc.c: line 288 (gdk_gc_unref): assertion
> >> `gc != NULL' failed.
> >> TMainIDE.ParseCmdLineOptions:
> >>    PrimaryConfigPath="/home/markMLl/.lazarus"
> >>    SecondaryConfigPath="/etc/lazarus"
> >> NOTE: miscellaneous options file not found - using defaults
> >> NOTE: codetools config file not found - using defaults
> >> NOTE: help options config file not found - using defaults
> >> TMainIDE.DoNewProject A
> >> TCustomFormEditor.CreateComponent Form1:TForm1 False
> >> TMainIDE.DoNewEditorFile END unit1.pas
> >>
> >> Program received signal SIGBUS, Bus error.
> >> [Switching to Thread 16384 (LWP 31206)]
> >> 0x001821d0 in TPEN__FREEREFERENCE (this=0xf6f10430) at pen.inc:230
> >> 230     pen.inc: No such file or directory.
> >>          in pen.inc
> >> (gdb) backtrace
> >>
> > 
> > To me, this seems to be a compiler bug. Line 230 is:
> >    if not FReference.Allocated then Exit;
> > FReference is an object with a boolean property Allocated. I see no 
> > reason, why this should give a problem.
> > 
> > Can you try with fpc 2.2.2?
> > 
> >> I notice that on x86 I do not get those initial assertions- before
> >> I even start trying to look at the source can anybody say whether
> >> that's significant?
> >>
> > 
> > I have no idea, maybe a gtk expert.
> > 
> >> Is there somewhere more appropriate that I should be posting or 
> >> discussing this? I'm very inexperienced in the arcane ways of
> >> formal bug reports etc.
> >>
> > 
> > For discussion bug, this is the best place. The bug tracker is a
> > bit memory (it is easier to look up things), but not the right
> > place for debugging.
> 
> Using fpc 2.2.3 compiled without optimisation I appear to get the
> same:
> 
> (gdb) run
> Starting program: /usr/local/bin/lazarus
> [Thread debugging using libthread_db enabled]
> [New Thread 16384 (LWP 25243)]
> 
> Gdk-CRITICAL **: file gdkgc.c: line 502 (gdk_gc_set_function):
> assertion `gc != NULL' failed.

Start with
run --g-fatal-warnings


Mattias

 
> Gdk-CRITICAL **: file gdkdraw.c: line 381 (gdk_draw_pixmap):
> assertion `gc != NULL' failed.
> 
> Gdk-CRITICAL **: file gdkgc.c: line 288 (gdk_gc_unref): assertion
> `gc != NULL' failed.
> TMainIDE.ParseCmdLineOptions:
>    PrimaryConfigPath="/home/markMLl/.lazarus"
>    SecondaryConfigPath="/etc/lazarus"
> NOTE: miscellaneous options file not found - using defaults
> NOTE: codetools config file not found - using defaults
> NOTE: help options config file not found - using defaults
> TMainIDE.DoNewProject A
> TCustomFormEditor.CreateComponent Form1:TForm1 False
> TMainIDE.DoNewEditorFile END unit1.pas
> 
> Program received signal SIGBUS, Bus error.
> [Switching to Thread 16384 (LWP 25243)]
> 0x001821d0 in TPEN__FREEREFERENCE (this=0xf6ec8610) at pen.inc:230
> 230     pen.inc: No such file or directory.
>          in pen.inc
> (gdb) backtrace
> #0  0x001821d0 in TPEN__FREEREFERENCE (this=0xf6ec8610) at pen.inc:230
> #1  0x001823e8 in TPEN__SETCOLOR (NEWCOLOR=8421504, NEWFPCOLOR=
>        {RED = 32896, GREEN = 32896, BLUE = 32896, ALPHA = 65535}, 
> this=0xf6ec8610) at pen.inc:269
> #2  0x00181ac4 in TPEN__SETCOLOR (VALUE=8421504, this=0xf6ec8610) at 
> pen.inc:47
> #3  0x00167554 in TCUSTOMTREEVIEW__DOPAINT (this=0xf6f792a0) at 
> treeview.inc:4031
> #4  0x00163a50 in TCUSTOMTREEVIEW__PAINT (this=0xf6f792a0) at 
> treeview.inc:2999
> #5  0x001e862c in TCUSTOMCONTROL__PAINTWINDOW (DC=-145145824, 
> this=0xf6f792a0) at customcontrol.inc:127
> #6  0x001ce9bc in TWINCONTROL__PAINTHANDLER (THEMESSAGE=
>        {MSG = 66592, DC = -145145824, PAINTSTRUCT = 0xf6ecd610,
> RESULT = 0}, this=0xf6f792a0)
>      at wincontrol.inc:4239
> #7  0x001d432c in TWINCONTROL__WMPAINT (MSG=
>        {MSG = 66592, DC = -145145824, PAINTSTRUCT = 0xf6ecd610,
> RESULT = 0}, this=0xf6f792a0)
>      at wincontrol.inc:6043
> #8  0x001e8514 in TCUSTOMCONTROL__WMPAINT (MESSAGE=
>        {MSG = 66592, DC = -145145824, PAINTSTRUCT = 0xf6ecd610,
> RESULT = 0}, this=0xf6f792a0)
>      at customcontrol.inc:107
> #9  0x0002ca78 in SYSTEM_TOBJECT_$__DISPATCH$formal ()
> #10 0x001ddec0 in TCONTROL__WNDPROC (THEMESSAGE=
>        {MSG = 66592, WPARAM = -145145824, LPARAM = -152250864, RESULT
> = 0, WPARAMHI = 63321, WPARAMLO = 16416, LPARAMHI = 63212, LPARAMLO = 
> 54800, RESULTHI = 0, RESULTLO = 0}, this=0xf6f792a0) at
> control.inc:1583 #11 0x001d070c in TWINCONTROL__WNDPROC (MESSAGE=
>        {MSG = 66592, WPARAM = -145145824, LPARAM = -152250864, RESULT
> = 0, WPARAMHI = 63321, WPARAMLO = 16416, LPARAMHI = 63212, LPARAMLO = 
> 54800, RESULTHI = 0, RESULTLO = 0}, this=0xf6f792a0) at
> wincontrol.inc:4749 #12 0x00166cd4 in TCUSTOMTREEVIEW__WNDPROC
> (MESSAGE= {MSG = 66592, WPARAM = -145145824, LPARAM = -152250864,
> RESULT = 0, WPARAMHI = 63321, WPARAMLO = 16416, LPARAMHI = 63212,
> LPARAMLO = 54800, RESULTHI = 0, RESULTLO = 0}, this=0xf6f792a0) at
> treeview.inc:3884 #13 0x002ff950 in DELIVERMESSAGE
> (TARGET=0xf6f792a0, AMESSAGE=void) at gtkproc.inc:3547
> #14 0x0030ed48 in DODELIVERPAINTMESSAGE (TARGET=0xf6f792a0, PAINTMSG=
>        {MSG = 66592, DC = -145145824, PAINTSTRUCT = 0xf6ecd610,
> RESULT = 0}) at gtkcallback.inc:50
> #15 0x002e839c in TGTKWIDGETSET__SENDMESSAGE (HANDLEWND=14639392, 
> MSG=66659, WPARAM=-153572208, LPARAM=28,
>      this=0xf76f4020) at gtkwinapi.inc:8159
> #16 0x002c4adc in TGTKWIDGETSET__APPPROCESSMESSAGES (this=0xf76f4020)
> at gtkwidgetset.inc:1202
> #17 0x000551dc in TAPPLICATION__HANDLEMESSAGE (this=0xf78ac020) at 
> application.inc:980
> #18 0x000556a4 in TAPPLICATION__RUNLOOP (this=0xf78ac020) at 
> application.inc:1091
> #19 0x000c1478 in TWIDGETSET__APPRUN (ALOOP=0x55648 
> <TAPPLICATION__RUNLOOP>, this=0xf76f4020)
>      at interfacebase.inc:49
> #20 0x00055640 in TAPPLICATION__RUN (this=0xf78ac020) at 
> application.inc:1078
> #21 0x0001a7b4 in main () at lazarus.pp:104
> (gdb)
>