Sorry about that, had to install more dbgsym packages of libs gnome-panel was linking against. Is the following stack trace more useful?
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb748d5ab in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7589839 in _XWaitForReadable (dpy=0x80e1298) at ../../src/XlibInt.c:509
#3 0xb7589c2f in _XRead (dpy=0x80e1298, data=0xbffc0c90 "�\031\016\b",
size=32) at ../../src/XlibInt.c:1099
#4 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/XlibInt.c:1730
#5 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#6 0xb5ce3a1a in ?? () from /usr/lib/libwnck-1.so.22
#7 0x080e1298 in ?? ()
#8 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
[Switching to Thread -1226774864 (LWP 14578)]
hash_bytes_fnv (buffer=0xbffbf823 "?", len=32, hval=1495512538)
at /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c:311
311 /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c: No such file or directory.
in /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c
(gdb) bt
#0 hash_bytes_fnv (buffer=0xbffbf823 "?", len=32, hval=1495512538)
at /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c:311
#1 0xb7191c5f in fontset_hash_key_hash (key=0xbffbf800)
at /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c:346
#2 0xb76628eb in g_hash_table_lookup () from /usr/lib/libglib-2.0.so.0
#3 0xb7190d52 in pango_fc_font_map_load_fontset (fontmap=0x81164b8,
context=0x8449b50, desc=0x86bfdc0, language=0x814bea0)
at /build/buildd/pango1.0-1.18.3/pango/pangofc-fontmap.c:1073
#4 0xb787c5e0 in pango_font_map_load_fontset (fontmap=0x81164b8,
context=0x8449b50, desc=0x86bfdc0, language=0x814bea0)
at /build/buildd/pango1.0-1.18.3/pango/pango-fontmap.c:107
#5 0xb787a4c7 in itemize_state_process_run (state=0xbffbf970)
at /build/buildd/pango1.0-1.18.3/pango/pango-context.c:1278
#6 0xb787a842 in pango_itemize_with_base_dir (context=0x8449b50,
base_dir=PANGO_DIRECTION_LTR,
text=0x832fb70 "vijayr@shakti: ~/wt/digicam/dpreview", start_index=0,
length=36, attrs=0x9d81b10, cached_iter=0x9e03300)
at /build/buildd/pango1.0-1.18.3/pango/pango-context.c:1427
#7 0xb788370e in pango_layout_check_lines (layout=0x8681e28)
at /build/buildd/pango1.0-1.18.3/pango/pango-layout.c:3619
#8 0xb78848c7 in pango_layout_get_extents_internal (layout=0x8681e28,
ink_rect=0x0, logical_rect=0xbffbfcbc, line_extents=0x0)
at /build/buildd/pango1.0-1.18.3/pango/pango-layout.c:2311
---Type <return> to continue, or q <return> to quit---
#9 0xb7aa2b14 in gtk_label_size_request (widget=0x8318e20,
requisition=0x8318e3c) at /build/buildd/gtk+2.0-2.12.0/gtk/gtklabel.c:2190
#10 0xb7714279 in g_cclosure_marshal_VOID__BOXED ()
from /usr/lib/libgobject-2.0.so.0
#11 0xb7705f89 in ?? () from /usr/lib/libgobject-2.0.so.0
#12 0x08102ab8 in ?? ()
#13 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb748d5ab in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7589839 in _XWaitForReadable (dpy=0x80e1298) at ../../src/XlibInt.c:509
#3 0xb7589c2f in _XRead (dpy=0x80e1298,
data=0xbffc2cf0 "8�o�\b@0\b(-����e�8�o�0UQ�", size=32)
at ../../src/XlibInt.c:1099
#4 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc2cf0, extra=0, discard=1)
at ../../src/XlibInt.c:1730
#5 0xb7585d04 in XTranslateCoordinates (dpy=0x80e1298, src_win=14680111,
dest_win=93, src_x=0, src_y=0, dst_x=0xbffc2d54, dst_y=0xbffc2d50,
child=0xbffc2d58) at ../../src/TrCoords.c:51
#6 0xb79302db in IA__gdk_window_get_origin (window=0x80ed200, x=0xbffc2d9c,
y=0xbffc2d98) at /build/buildd/gtk+2.0-2.12.0/gdk/x11/gdkwindow-x11.c:3267
#7 0x0806bd4b in panel_widget_set_background_region (panel=0x8144800)
at panel-widget.c:1317
#8 0x0806c19c in panel_widget_size_allocate (widget=0x8144800,
allocation=0xbffc32dc) at panel-widget.c:1518
#9 0xb7714279 in g_cclosure_marshal_VOID__BOXED ()
from /usr/lib/libgobject-2.0.so.0
#10 0xb7705f89 in ?? () from /usr/lib/libgobject-2.0.so.0
#11 0x080d13b0 in ?? ()
#12 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb751a1d3 in __read_nocancel () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7592b6e in _X11TransSocketRead (ciptr=0x80e0e38,
buf=0xbffc0c90 "\034\224��Y\001\200\001W\001", size=32)
at /usr/include/X11/Xtrans/Xtranssock.c:2151
#3 0xb759264f in _X11TransRead (ciptr=0x80e0e38,
buf=0xbffc0c90 "\034\224��Y\001\200\001W\001", size=32)
at /usr/include/X11/Xtrans/Xtrans.c:893
#4 0xb7589b79 in _XRead (dpy=0x80e1298,
data=0xbffc0c90 "\034\224��Y\001\200\001W\001", size=32)
at ../../src/XlibInt.c:1091
#5 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/XlibInt.c:1730
#6 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#7 0xb5ce3a1a in ?? () from /usr/lib/libwnck-1.so.22
#8 0x080e1298 in ?? ()
#9 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb751a153 in __write_nocancel () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7592b2e in _X11TransSocketWrite (ciptr=0x80e0e38, buf=0x80e19d0 "\022",
size=44) at /usr/include/X11/Xtrans/Xtranssock.c:2171
#3 0xb759267f in _X11TransWrite (ciptr=0x80e0e38, buf=0x80e19d0 "\022",
size=44) at /usr/include/X11/Xtrans/Xtrans.c:900
#4 0xb758a4d7 in _XFlushInt (dpy=0x80e1298, cv=0x0) at ../../src/XlibInt.c:677
#5 0xb758a5ab in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/XlibInt.c:1710
#6 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#7 0xb5ce3a1a in ?? () from /usr/lib/libwnck-1.so.22
#8 0x080e1298 in ?? ()
#9 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
0xb766d425 in ?? () from /usr/lib/libglib-2.0.so.0
(gdb) bt
#0 0xb766d425 in ?? () from /usr/lib/libglib-2.0.so.0
#1 0x080ef4c8 in ?? ()
#2 0xb7515530 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#3 0x080ef4c8 in ?? ()
#4 0xbffc0c98 in ?? ()
#5 0xb767119a in g_source_attach () from /usr/lib/libglib-2.0.so.0
Backtrace stopped: frame did not save the PC
(gdb) k
Kill the program being debugged? (y or n) y
(gdb) q
Sorry about that, had to install more dbgsym packages of libs gnome-panel was linking against. Is the following stack trace more useful?
0xffffe410 in __kernel_vsyscall () i686/cmov/ libc.so. 6 XlibInt. c:509 XlibInt. c:1099 XlibInt. c:1730 libwnck- 1.so.22
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb748d5ab in poll () from /lib/tls/
#2 0xb7589839 in _XWaitForReadable (dpy=0x80e1298) at ../../src/
#3 0xb7589c2f in _XRead (dpy=0x80e1298, data=0xbffc0c90 "�\031\016\b",
size=32) at ../../src/
#4 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/
#5 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#6 0xb5ce3a1a in ?? () from /usr/lib/
#7 0x080e1298 in ?? ()
#8 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt. buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c:311 buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c: No such file or directory. buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c:311 hash_key_ hash (key=0xbffbf800) buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c:346 libglib- 2.0.so. 0 font_map_ load_fontset (fontmap=0x81164b8, 0x8449b50, desc=0x86bfdc0, language=0x814bea0) buildd/ pango1. 0-1.18. 3/pango/ pangofc- fontmap. c:1073 map_load_ fontset (fontmap=0x81164b8, 0x8449b50, desc=0x86bfdc0, language=0x814bea0) buildd/ pango1. 0-1.18. 3/pango/ pango-fontmap. c:107 state_process_ run (state=0xbffbf970) buildd/ pango1. 0-1.18. 3/pango/ pango-context. c:1278 with_base_ dir (context=0x8449b50, dir=PANGO_ DIRECTION_ LTR, dpreview" , start_index=0, iter=0x9e03300) buildd/ pango1. 0-1.18. 3/pango/ pango-context. c:1427 check_lines (layout=0x8681e28) buildd/ pango1. 0-1.18. 3/pango/ pango-layout. c:3619 get_extents_ internal (layout=0x8681e28, rect=0xbffbfcbc , line_extents=0x0) buildd/ pango1. 0-1.18. 3/pango/ pango-layout. c:2311 size_request (widget=0x8318e20, =0x8318e3c) at /build/ buildd/ gtk+2.0- 2.12.0/ gtk/gtklabel. c:2190 marshal_ VOID__BOXED () libgobject- 2.0.so. 0 libgobject- 2.0.so. 0
[Switching to Thread -1226774864 (LWP 14578)]
hash_bytes_fnv (buffer=0xbffbf823 "?", len=32, hval=1495512538)
at /build/
311 /build/
in /build/
(gdb) bt
#0 hash_bytes_fnv (buffer=0xbffbf823 "?", len=32, hval=1495512538)
at /build/
#1 0xb7191c5f in fontset_
at /build/
#2 0xb76628eb in g_hash_table_lookup () from /usr/lib/
#3 0xb7190d52 in pango_fc_
context=
at /build/
#4 0xb787c5e0 in pango_font_
context=
at /build/
#5 0xb787a4c7 in itemize_
at /build/
#6 0xb787a842 in pango_itemize_
base_
text=0x832fb70 "vijayr@shakti: ~/wt/digicam/
length=36, attrs=0x9d81b10, cached_
at /build/
#7 0xb788370e in pango_layout_
at /build/
#8 0xb78848c7 in pango_layout_
ink_rect=0x0, logical_
at /build/
---Type <return> to continue, or q <return> to quit---
#9 0xb7aa2b14 in gtk_label_
requisition
#10 0xb7714279 in g_cclosure_
from /usr/lib/
#11 0xb7705f89 in ?? () from /usr/lib/
#12 0x08102ab8 in ?? ()
#13 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt. i686/cmov/ libc.so. 6 XlibInt. c:509 0\b(-�� ��e�8�o� 0UQ�", size=32) XlibInt. c:1099 XlibInt. c:1730 inates (dpy=0x80e1298, src_win=14680111, 0xbffc2d58) at ../../src/ TrCoords. c:51 window_ get_origin (window=0x80ed200, x=0xbffc2d9c, buildd/ gtk+2.0- 2.12.0/ gdk/x11/ gdkwindow- x11.c:3267 set_background_ region (panel=0x8144800) size_allocate (widget=0x8144800, 0xbffc32dc) at panel-widget.c:1518 marshal_ VOID__BOXED () libgobject- 2.0.so. 0 libgobject- 2.0.so. 0
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb748d5ab in poll () from /lib/tls/
#2 0xb7589839 in _XWaitForReadable (dpy=0x80e1298) at ../../src/
#3 0xb7589c2f in _XRead (dpy=0x80e1298,
data=0xbffc2cf0 "8�o�\b@
at ../../src/
#4 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc2cf0, extra=0, discard=1)
at ../../src/
#5 0xb7585d04 in XTranslateCoord
dest_win=93, src_x=0, src_y=0, dst_x=0xbffc2d54, dst_y=0xbffc2d50,
child=
#6 0xb79302db in IA__gdk_
y=0xbffc2d98) at /build/
#7 0x0806bd4b in panel_widget_
at panel-widget.c:1317
#8 0x0806c19c in panel_widget_
allocation=
#9 0xb7714279 in g_cclosure_
from /usr/lib/
#10 0xb7705f89 in ?? () from /usr/lib/
#11 0x080d13b0 in ?? ()
#12 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt. i686/cmov/ libpthread. so.0 �Y\001\ 200\001W\ 001", size=32) X11/Xtrans/ Xtranssock. c:2151 �Y\001\ 200\001W\ 001", size=32) X11/Xtrans/ Xtrans. c:893 �Y\001\ 200\001W\ 001", size=32) XlibInt. c:1091 XlibInt. c:1730 libwnck- 1.so.22
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb751a1d3 in __read_nocancel () from /lib/tls/
#2 0xb7592b6e in _X11TransSocketRead (ciptr=0x80e0e38,
buf=0xbffc0c90 "\034\224�
at /usr/include/
#3 0xb759264f in _X11TransRead (ciptr=0x80e0e38,
buf=0xbffc0c90 "\034\224�
at /usr/include/
#4 0xb7589b79 in _XRead (dpy=0x80e1298,
data=0xbffc0c90 "\034\224�
at ../../src/
#5 0xb758a604 in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/
#6 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#7 0xb5ce3a1a in ?? () from /usr/lib/
#8 0x080e1298 in ?? ()
#9 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt. i686/cmov/ libpthread. so.0 Write (ciptr=0x80e0e38, buf=0x80e19d0 "\022", X11/Xtrans/ Xtranssock. c:2171 X11/Xtrans/ Xtrans. c:900 XlibInt. c:677 XlibInt. c:1710 libwnck- 1.so.22
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb751a153 in __write_nocancel () from /lib/tls/
#2 0xb7592b2e in _X11TransSocket
size=44) at /usr/include/
#3 0xb759267f in _X11TransWrite (ciptr=0x80e0e38, buf=0x80e19d0 "\022",
size=44) at /usr/include/
#4 0xb758a4d7 in _XFlushInt (dpy=0x80e1298, cv=0x0) at ../../src/
#5 0xb758a5ab in _XReply (dpy=0x80e1298, rep=0xbffc0c90, extra=0, discard=1)
at ../../src/
#6 0xb75845da in XSync (dpy=0x80e1298, discard=0) at ../../src/Sync.c:48
#7 0xb5ce3a1a in ?? () from /usr/lib/
#8 0x080e1298 in ?? ()
#9 0x00000000 in ?? ()
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt. libglib- 2.0.so. 0 libglib- 2.0.so. 0 i686/cmov/ libpthread. so.0 libglib- 2.0.so. 0
0xb766d425 in ?? () from /usr/lib/
(gdb) bt
#0 0xb766d425 in ?? () from /usr/lib/
#1 0x080ef4c8 in ?? ()
#2 0xb7515530 in ?? () from /lib/tls/
#3 0x080ef4c8 in ?? ()
#4 0xbffc0c98 in ?? ()
#5 0xb767119a in g_source_attach () from /usr/lib/
Backtrace stopped: frame did not save the PC
(gdb) k
Kill the program being debugged? (y or n) y
(gdb) q