On Thu, 24 Apr 2008 09:19:51 -0700 "M.McNeil" <[EMAIL PROTECTED]> babbled:
i think i said last time - something has trampled over memory - there is a string that has the pointer to it trampled or its contents trampled so the 0 byte terminator is now wrong. the only real hope here is valgrind - to catch the trampling itself. even that is not necessarily possible :( beyond sheer luck that a developer spots something or that we sit down with a code review and hope to catch something... > Hi, > > I'm sending this again in hopes to get some help. > > Thanks again, > > Mike McNeil > > -------- Original Message -------- > Subject: Re: [e-users] E17 segfaulting again > Date: Mon, 21 Apr 2008 14:48:55 -0700 > From: M.McNeil <[EMAIL PROTECTED]> > To: Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]> > CC: [email protected] > References: <[EMAIL PROTECTED]> > <[EMAIL PROTECTED]> > <[EMAIL PROTECTED]> > <[EMAIL PROTECTED]> > > > > Here's what I was able to capture, following the instructions you gave > in the thread below: > > [mmcneil]gdb enlightenment 67866 > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > > [Switching to Thread 0x28b01100 (LWP 100097)] > 0x2898a86f in poll () from /lib/libc.so.7 > (gdb) bt > #0 0x2898a86f in poll () from /lib/libc.so.7 > #1 0x2868ef53 in _XWaitForReadable () from /usr/local/lib/libX11.so.6 > #2 0x2868f3c8 in _XRead () from /usr/local/lib/libX11.so.6 > #3 0x28690e87 in _XReadEvents () from /usr/local/lib/libX11.so.6 > #4 0x2866f85c in XNextEvent () from /usr/local/lib/libX11.so.6 > #5 0x080dc21e in e_alert_show ( > text=0x814d3c0 "This is very bad. Enlightenment SEGV'd.\n\nThis is > not meant to happen and is likely a sign of\na bug in Enlightenment or > the libraries it relies\non. You can gdb attach to this process now to > try\ndebug i"...) > at e_alert.c:129 > #6 0x080c3372 in e_sigseg_act (x=11, info=0xbfbfb760, data=0xbfbfb4a0) > at e_signals.c:48 > #7 <signal handler called> > #8 0x289bb5f3 in strcasecmp () from /lib/libc.so.7 > #9 0x2828f5b5 in object_text_font_cache_font_find_file (fd=0x2996c550, > font=0x29a3dc68 "Matrix:style=Bold") at evas_font_dir.c:543 > #10 0x2828f6d2 in object_text_font_cache_font_find (fd=0x2996c550, > font=0x29a3dc68 "Matrix:style=Bold") at evas_font_dir.c:573 > #11 0x2828e587 in evas_font_dir_cache_find ( > dir=0x28baf318 "/home/mmcneil/.e/e/fonts", > font=0x29a3dc68 "Matrix:style=Bold") at evas_font_dir.c:58 > #12 0x2828ebcd in evas_font_load (evas=0x28bcb160, > name=0x29a3af20 "Matrix:style=Bold", source=0x0, size=12) > at evas_font_dir.c:232 > ---Type <return> to continue, or q <return> to quit--- > #13 0x2827b519 in evas_object_text_font_set (obj=0x29d513a0, > font=0x29a3af20 "Matrix:style=Bold", size=12) at evas_object_text.c:187 > #14 0x281a82c5 in _edje_part_recalc_single (ed=0x29dfb1c0, ep=0x2a681900, > desc=0x29d40700, chosen_desc=0x29d40700, rel1_to_x=0x0, rel1_to_y=0x0, > rel2_to_x=0x0, rel2_to_y=0x0, confine_to=0x0, params=0xbfbfbd00, > flags=3) > at edje_calc.c:728 > #15 0x281aa1fc in _edje_part_recalc (ed=0x29dfb1c0, ep=0x2a681900, flags=3) > at edje_calc.c:1329 > #16 0x281a64e3 in _edje_recalc (ed=0x29dfb1c0) at edje_calc.c:162 > #17 0x281c469a in _edje_thaw (ed=0x29dfb1c0) at edje_util.c:1961 > #18 0x281ba851 in _edje_object_file_set_internal (obj=0x29d50860, > file=0x28b08348 "/home/mmcneil/.e/e/themes/23oz_by_sda_16_999_042.edj", > part=0x814bfa4 "e/widgets/menu/default/background", group_path=0x0) > at edje_load.c:568 > #19 0x281b9577 in edje_object_file_set (obj=0x29d50860, > file=0x28b08348 "/home/mmcneil/.e/e/themes/23oz_by_sda_16_999_042.edj", > part=0x814bfa4 "e/widgets/menu/default/background") at edje_load.c:35 > #20 0x080ca14d in e_theme_edje_object_set (o=0x29d50860, > category=0xbfbfc014 "base/theme", > group=0x814bfa4 "e/widgets/menu/default/background") at e_theme.c:180 > #21 0x080ca24b in e_theme_edje_object_set (o=0x29d50860, > category=0x814be69 "base/theme/menus", > group=0x814bfa4 "e/widgets/menu/default/background") at e_theme.c:208 > #22 0x080ae502 in _e_menu_realize (m=0x299ffa80) at e_menu.c:1400 > ---Type <return> to continue, or q <return> to quit--- > #23 0x080ab97f in e_menu_activate_mouse (m=0x299ffa80, zone=0x28b1f480, > x=296, > y=289, w=1, h=1, dir=4, activate_time=20898643) at e_menu.c:283 > #24 0x080d2bf4 in _e_actions_act_menu_show_go_mouse (obj=0x28b1f480, > params=0x28b79d98 "main", ev=0x2994a790) at e_actions.c:1442 > #25 0x080ce188 in e_bindings_mouse_down_event_handle ( > ctxt=E_BINDING_CONTEXT_ZONE, obj=0x28b1f480, ev=0x2994a790) > at e_bindings.c:255 > #26 0x08080766 in _e_zone_cb_bg_mouse_down (data=0x28b1f480, > evas=0x28bc95c0, > obj=0x28bd2c80, event_info=0xbfbfc2dc) at e_zone.c:755 > #27 0x28262de3 in evas_object_event_callback_call (obj=0x28bd2c80, > type=EVAS_CALLBACK_MOUSE_DOWN, event_info=0xbfbfc2dc) > at evas_callbacks.c:121 > #28 0x2826464e in evas_event_feed_mouse_down (e=0x28bc95c0, b=1, > flags=EVAS_BUTTON_NONE, timestamp=20898643, data=0x0) at > evas_events.c:267 > #29 0x0807e1d5 in _e_container_cb_mouse_down (data=0x0, type=21, > event=0x2994a790) at e_container.c:1091 > #30 0x287a1529 in _ecore_event_call () at ecore_events.c:429 > #31 0x287aa623 in _ecore_main_loop_iterate_internal (once_only=0) > at ecore_main.c:678 > #32 0x287a964f in ecore_main_loop_begin () at ecore_main.c:85 > #33 0x08069fa7 in main (argc=1, argv=0xbfbfe8d4) at e_main.c:937 > (gdb) cont > Continuing. > [New LWP 100097] > > Program received signal SIGTRAP, Trace/breakpoint trap. > [Switching to LWP 100097] > Cannot remove breakpoints because program is no longer writable. > It might be running in another process. > Further execution is probably impossible. > 0x281593e0 in ?? () from /libexec/ld-elf.so.1 > (gdb) quit > The program is running. Quit anyway (and detach it)? (y or n) y > Detaching from program: /opt/e17/bin/enlightenment, process 67866 > [mmcneil:~]exit > > Script done on Mon Apr 21 14:34:47 2008 > > Thanks, > > Mike McNeil > > Carsten Haitzler (The Rasterman) wrote: > > On Thu, 17 Apr 2008 10:40:18 -0700 "M.McNeil" <[EMAIL PROTECTED]> > > babbled: > > > > > >> I found this when I ran gdb a second time and did a backtrace: > >> > > > > you should gdb attach WHEN e has segfaulted (i.e - the white box of death > > is on the screen(, OR you should alloe e to continue from this attached > > state until the segfault occurs (cont command in gdb) > > > > > >> [Switching to Thread 0x28b01100 (LWP 100142)] > >> 0x2898a86f in poll () from /lib/libc.so.7 > >> (gdb) bt > >> #0 0x2898a86f in poll () from /lib/libc.so.7 > >> #1 0x2868ef53 in _XWaitForReadable () from /usr/local/lib/libX11.so.6 > >> #2 0x2868f3c8 in _XRead () from /usr/local/lib/libX11.so.6 > >> #3 0x2868ff82 in _XReply () from /usr/local/lib/libX11.so.6 > >> #4 0x286874e5 in XSync () from /usr/local/lib/libX11.so.6 > >> #5 0x28a65a65 in evas_software_x11_outbuf_idle_flush (buf=0x28b255e0) > >> at evas_outbuf.c:718 > >> #6 0x28a63ed6 in eng_output_idle_flush (data=0x29604180) at > >> evas_engine.c:338 > >> #7 0x282916f5 in evas_render_idle_flush (e=0x28bdb5c0) at > >> #evas_render.c:519 8 0x281e1806 in _ecore_evas_cb_idle_flush > >> #(data=0x28bc26a0) > >> at ecore_evas.c:1900 > >> #9 0x287aea3d in _ecore_timer_call (when=1208453594.5901239) > >> at ecore_timer.c:328 > >> #10 0x287aa212 in _ecore_main_loop_iterate_internal (once_only=0) > >> at ecore_main.c:531 > >> #11 0x287a964f in ecore_main_loop_begin () at ecore_main.c:85 > >> #12 0x08069fa7 in main (argc=1, argv=0xbfbfe920) at e_main.c:937 > >> (gdb) > >> > >> > >> Thanks, > >> > >> Mike M. > >> > >> > >> > >> Carsten Haitzler (The Rasterman) wrote: > >> > >>> On Wed, 16 Apr 2008 16:26:51 -0700 "M.McNeil" <[EMAIL PROTECTED]> > >>> babbled: > >>> > >>> > >>> > >>>> Hi, > >>>> > >>>> I just updated my E17 installation using the easy_e17 script. The > >>>> update went fine as usual, however, upon restarting E17, E17 started to > >>>> segfault. I rebooted my machine, same problem. I then, did a fresh > >>>> installation of E17 and got the same results. When I move my mouse > >>>> around the desktop, E17 segfaults. I'm running FreeBSD 7.0-RELEASE, can > >>>> someone take a look into this ? My machine is basically unusable at > >>>> this time. > >>>> > >>>> > >>> no i can't look into it. e17 works just fine here. build e and efl libs > >>> with gdb debugging and get a backtrace and we might be able to do > >>> something. try valgrind if the backtrace isn't much use. > >>> > >>> > >>> > >> -- > >> > >> ------------------------------------------------- > >> > >> Mike McNeil > >> > >> Sr. Network Engineer > >> > >> Information Systems and Technology > >> > >> University of California Berkeley > >> > >> > >> > > > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > enlightenment-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > enlightenment-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ enlightenment-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-users
