jochen wrote:
> Carsten Haitzler (The Rasterman) wrote:
>
>>On Fri, 21 Oct 2005 15:55:37 +1300 jochen <[EMAIL PROTECTED]> babbled:
>>
>>
>>
>>>OK, I just rebuild all of EFL and E with the above flags and the error
>>>is gone, so it seems it was a optimization bug, and I thought I was
>>>conservative with the optimization. Thanks for the explanations. Well if
>>>I find some time I might even dig into it to find out which compiler
>>>option it is, not tonight though, I'll go see the kiwis whip some
>>>kangoroo ass ;-) (for those who don't know what the heck I'm talking
>>>about, I'm going to watch the Australia against New Zealand rugby league
>>>game)
>>
>>
>>AARGH!!!!!! and now its gone? what version of gcc do you use? personalyl i
>>compile everything (in efl) with these cflags: -O2 -march=pentium4 -g -msse
>>-mmmx -pipe
>>
>>on my p4 boxes, and
>>-O2 -march=pentium3 -fomit-frame-pointer -msse -mmmx -pipe
>>
>>on my p3 boxes. i've never seen the bugs you are describing and i cannto
>>produce, reproduce or even make sens of the debug info you are getting. i
>>suspect it could be some compiler weirdness/bug. i'm not sure. but all in all
>>-
>>this is a hard thing to track. based on the bugs i have seen - they SEEM
>>impossible looking at the code, every time, UNLESS there is a compielr bug, OR
>>some memory corruption which i am unaware of to date :(
>>
>
> OK this is getting weirder and weirder I had just recompiled another cvs
> version of yesterday, CFLAGS=-g. This time I got a segfault when closing
> thunderbird. I'm not quite sure if this is the same bug but here is the
> backtrace
>
>
>
> ------------------------------------------------------------------------
>
> #0 0xffffe410 in __kernel_vsyscall ()
> #1 0xb7d1b8cd in select () from /lib/tls/i686/cmov/libc.so.6
> #2 0xb7dbf135 in _XPollfdCacheDel () from /usr/X11R6/lib/libX11.so.6
> #3 0xb7dbff89 in _XRead () from /usr/X11R6/lib/libX11.so.6
> #4 0xb7dbfc00 in _XReadEvents () from /usr/X11R6/lib/libX11.so.6
> #5 0xb7db1976 in XNextEvent () from /usr/X11R6/lib/libX11.so.6
> #6 0x080bbe0b in e_alert_show (
> text=0x80d80e0 "This is very bad. Enlightenment has segfaulted.\nThis is
> not meant to happen and is likely a sign of a\nbug in Enlightenment or the
> libraries it relies on.\n\nYou can gdb attach to this process now to try"...)
> at e_alert.c:136
> #7 0x080a82f6 in e_sigseg_act (x=11, info=0xbffdf6d0, data=0xbffdf750)
> at e_signals.c:54
> #8 <signal handler called>
> #9 0x0809332f in e_object_unref (obj=0x368) at e_object.c:109
> #10 0x080771d1 in _e_border_free (bd=0x85e4510) at e_border.c:2555
> #11 0x08093313 in e_object_free (obj=0x85e4510) at e_object.c:92
> #12 0x0809334f in e_object_unref (obj=0x85e4510) at e_object.c:111
> #13 0x08081058 in _e_border_event_border_stack_free (data=0x0, ev=0x898dba8)
> at e_border.c:6378
> #14 0xb7f47508 in _ecore_event_del (event=0x84111f0) at ecore_events.c:357
> #15 0xb7f477c4 in _ecore_event_call () at ecore_events.c:445
> #16 0xb7f4c775 in _ecore_main_loop_iterate_internal (once_only=0)
> at ecore_main.c:629
> #17 0xb7f4b8eb in ecore_main_loop_begin () at ecore_main.c:79
> #18 0x0805d97e in main (argc=1, argv=0xbffffcd4) at e_main.c:556
> #9 0x0809332f in e_object_unref (obj=0x368) at e_object.c:109
> 109 obj->references--;
> 104 e_object_unref(E_Object *obj)
> 105 {
> 106 int ref;
> 107
> 108 E_OBJECT_CHECK_RETURN(obj, -1);
> 109 obj->references--;
> 110 ref = obj->references;
> 111 if (obj->references == 0) e_object_free(obj);
> 112 return ref;
> 113 }
> $1 = (E_Object *) 0x368
> Cannot access memory at address 0x370
> The program is running. Quit anyway (and detach it)? (y or n) Detaching from
> program: /usr/bin/enlightenment, process 8125
Sorry I should pay more attention to what I'm doing. It happened closing
a terminal, I'm quite certain, it must have been underneath the
thunderbird, and i didn't really pay attention when closing. So it is
still the same bug, however this time CFLAGS were -g only.
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