[ltt-dev] lttv segfault on File->Quit

[Mathieu Desnoyers]

* Atsushi Nemoto (anemo at mba.ocn.ne.jp) wrote:
> Hi.  lttv 0.12.14 (and maybe others) will cause segfault by Quit
> command in File menu.
> 
> Here is gdb session log.  Just invoke lttv (without trace data) and
> select Quit.
> 

Thanks for the bug report !

It should be fixed in LTTV 0.12.16 now.

Mathieu

> $ gdb ../local/bin/lttv.real 
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i486-linux-gnu"...
> (gdb) run -m guievents -m guifilter -m guicontrolflow -m resourceview -m guistatistics -m guitracecontrol --debug --verbose
> Starting program: /work/local/bin/lttv.real -m guievents -m guifilter -m guicontrolflow -m resourceview -m guistatistics -m guitracecontrol --debug --verbose
> [Thread debugging using libthread_db enabled]
> [New Thread 0xb7c846b0 (LWP 4792)]
> ** (process:4792): DEBUG: Option verbose hook called
> ** INFO: Logging set to include INFO level messages
> ** (process:4792): DEBUG: GUI window_creation_hook()
> ** (lttv.real:4792): DEBUG: construct_main_window()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: h_guicontrolflow, 0x93a4858
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** Message: statistics viewer : background computation data ready.
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: There are now : 1 windows
> 
> ** (lttv.real:4792): DEBUG: get_events : SCROLL_NONE
> ** INFO: Entering seek_time_closest for time 0.0
> ** INFO: NOT Calling restore
> ** INFO: Entering seek_time_closest for time 4294967295.1000000000
> ** INFO: NOT Calling restore
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: processlist_clear 0x94e2848
> ** INFO: processlist_clear 0x94e2848
> ** (lttv.real:4792): DEBUG: req : window start_time : 0, 0
> ** (lttv.real:4792): DEBUG: req : window time width : 1, 0
> ** (lttv.real:4792): DEBUG: req : window_end : 1, 0
> ** (lttv.real:4792): DEBUG: x is : 0, x+width is : 1
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** Message: statistics viewer : background computation data ready.
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: Old time window HOOK : 0, 0 to 1, 0
> ** INFO: New time window HOOK : 0, 0 to 1, 0
> ** INFO: scrolling
> ** INFO: not scrolling
> ** INFO: update_current_time
> ** INFO: Entering seek_time_closest for time 0.0
> ** INFO: NOT Calling restore
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: event_update_selection
> ** INFO: New current time HOOK : 0, 0
> ** (lttv.real:4792): DEBUG: size allocate 0x94cd2a0 : last_num_visible_events : 1
> ** (lttv.real:4792): DEBUG: num_visible_events : 7, value 0.000000
> ** (lttv.real:4792): DEBUG: get_events : SCROLL_JUMP
> ** INFO: Entering seek_time_closest for time 0.0
> ** INFO: NOT Calling restore
> ** (lttv.real:4792): DEBUG: drawing configure event
> ** (lttv.real:4792): DEBUG: New alloc draw size : 642 by 176
> ** (lttv.real:4792): DEBUG: req : window start_time : 0, 0
> ** (lttv.real:4792): DEBUG: req : window time width : 1, 0
> ** (lttv.real:4792): DEBUG: req : window_end : 1, 0
> ** (lttv.real:4792): DEBUG: x is : 0, x+width is : 642
> ** (lttv.real:4792): DEBUG: AFTER EXPOSE
> ** (lttv.real:4792): DEBUG: ruler expose event
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** (lttv.real:4792): DEBUG: attribute_finalize()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** (lttv.real:4792): DEBUG: attribute_finalize()
> ** INFO: Unload library builtin: module print used
> ** INFO: Module module: destroy()
> ** INFO: Destroy module.c
> ** INFO: Unload library builtin: locked loaded
> ** INFO: Unload library builtin: locked loaded
> ** INFO: Module guievents: destroy()
> ** (lttv.real:4792): DEBUG: lttv_hooks_destroy()
> ** INFO: Unload library guievents: locked loaded
> ** INFO: Module print: destroy()
> ** INFO: Unload library builtin: locked loaded
> ** INFO: Unload library guievents: locked loaded
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Module guifilter: destroy()
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guifilter: locked loaded
> ** INFO: Unload library guifilter: close the GModule
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Module guicontrolflow: destroy()
> ** INFO: GUI Control Flow Viewer destroy()
> ** INFO: Walk destroy GUI Control Flow Viewer
> ** INFO: CFV.c : guicontrolflow_destructor_full, 0x94e1808
> ** (lttv.real:4792): DEBUG: processlist_destroy 0x94e2848
> ** (lttv.real:4792): DEBUG: processlist_destroy end
> ** INFO: drawing_destroy 0x94cd340
> ** INFO: drawing_destroy end
> ** INFO: CFV.c : guicontrolflow_destructor, 0x94e1808
> ** INFO: 0xb7401a50, 0x94e1808, 0x93a4858
> ** INFO: widget still exists
> ** INFO: CFV.c : guicontrolflow_destructor end, 0x94e1820
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guicontrolflow: locked loaded
> ** INFO: Unload library guicontrolflow: close the GModule
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Module resourceview: destroy()
> ** INFO: GUI resource viewer destroy()
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library resourceview: locked loaded
> ** INFO: Unload library resourceview: close the GModule
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Unload library guievents: module lttvwindow used
> ** INFO: Module guistatistics: destroy()
> ** (lttv.real:4792): DEBUG: CFV.c : statistic_destroy_walk, 0x94e9420
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0xb7c846b0 (LWP 4792)]
> 0xb7e23ef0 in g_object_newv () from /usr/lib/libgobject-2.0.so.0
> (gdb) bt
> #0  0xb7e23ef0 in g_object_newv () from /usr/lib/libgobject-2.0.so.0
> #1  0xb7e244ba in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0
> #2  0xb7e2460e in g_object_new () from /usr/lib/libgobject-2.0.so.0
> #3  0xb794c11d in gtk_adjustment_new () from /usr/lib/libgtk-x11-2.0.so.0
> #4  0xb7b03726 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
> #5  0x00000000 in ?? ()
> (gdb) 
> 
> 
> The Close command in File menu work fine.  Any suggestions?
> 
> ---
> Atsushi Nemoto
> 
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-- 
Mathieu Desnoyers
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