Hi Michael,

weird problem here, see debug files in the three debug reports (please
triage together and possibly mark as duplicate):

#312364
#315462
#282426

Cheers,

Thomas

r...@ubuntu:/home/ubuntu# gdb update-manager | tee gdb-update-manager.txt
"/usr/bin/update-manager": not in executable format: File format not recognized
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) handle SIG33 pass nostop noprint
Signal        Stop      Print   Pass to program Description
SIG33         No        No      Yes             Real-time event 33
(gdb) set pagination 0
(gdb) set logging file gdb-update-manager.log
(gdb) set logging on
Copying output to gdb-update-manager.log.
(gdb) attach 7192
Attaching to process 7192
Reading symbols from /usr/bin/python2.5...(no debugging symbols found)...done.
Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...(no debugging symbols 
found)...done.
[Thread debugging using libthread_db enabled]
[New Thread 0xb7d908c0 (LWP 7192)]
Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0
Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libdl.so.2
Reading symbols from /lib/tls/i686/cmov/libutil.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libutil.so.1
Reading symbols from /lib/tls/i686/cmov/libm.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libm.so.6
Reading symbols from /lib/tls/i686/cmov/libc.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libc.so.6
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/glib/_glib.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/glib/_glib.so
Reading symbols from /usr/lib/pygobject/python2.5/libpyglib-2.0.so.0...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/pygobject/python2.5/libpyglib-2.0.so.0
Reading symbols from /usr/lib/libgobject-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgobject-2.0.so.0
Reading symbols from /usr/lib/libgthread-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgthread-2.0.so.0
Reading symbols from /lib/tls/i686/cmov/librt.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/librt.so.1
Reading symbols from /usr/lib/libglib-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libffi.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libffi.so.5
Reading symbols from /lib/libpcre.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libpcre.so.3
Reading symbols from /usr/lib/python2.5/lib-dynload/strop.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/strop.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_locale.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_locale.so
Reading symbols from /usr/lib/python2.5/lib-dynload/operator.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/operator.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_struct.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_struct.so
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/gobject/_gobject.so...(no debugging 
symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gobject/_gobject.so
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/gtk/_gtk.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gtk/_gtk.so
Reading symbols from /usr/lib/libgtk-x11-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgtk-x11-2.0.so.0
Reading symbols from /usr/lib/libgdk-x11-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgdk-x11-2.0.so.0
Reading symbols from /usr/lib/libatk-1.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libatk-1.0.so.0
Reading symbols from /usr/lib/libpangoft2-1.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpangoft2-1.0.so.0
Reading symbols from /usr/lib/libgdk_pixbuf-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgdk_pixbuf-2.0.so.0
Reading symbols from /usr/lib/libpangocairo-1.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpangocairo-1.0.so.0
Reading symbols from /usr/lib/libgio-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgio-2.0.so.0
Reading symbols from /usr/lib/libcairo.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcairo.so.2
Reading symbols from /usr/lib/libpango-1.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpango-1.0.so.0
Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libfontconfig.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libgmodule-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgmodule-2.0.so.0
Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /usr/lib/libXcomposite.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXcomposite.so.1
Reading symbols from /usr/lib/libXdamage.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXdamage.so.1
Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXfixes.so.3
Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /usr/lib/libXrender.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXrender.so.1
Reading symbols from /usr/lib/libXinerama.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXinerama.so.1
Reading symbols from /usr/lib/libXi.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXi.so.6
Reading symbols from /usr/lib/libXrandr.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXrandr.so.2
Reading symbols from /usr/lib/libXcursor.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXcursor.so.1
Reading symbols from /lib/libselinux.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libselinux.so.1
Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpixman-1.so.0
Reading symbols from /usr/lib/libpng12.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpng12.so.0
Reading symbols from /usr/lib/libxcb-render-util.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxcb-render-util.so.0
Reading symbols from /usr/lib/libxcb-render.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxcb-render.so.0
Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxcb.so.1
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /usr/lib/libxcb-xlib.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxcb-xlib.so.0
Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /usr/lib/python2.5/site-packages/cairo/_cairo.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/python2.5/site-packages/cairo/_cairo.so
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/gio/_gio.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gio/_gio.so
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/gio/unix.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gio/unix.so
Reading symbols from /var/lib/python-support/python2.5/gtk-2.0/pango.so...(no 
debugging symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/pango.so
Reading symbols from /var/lib/python-support/python2.5/gtk-2.0/atk.so...(no 
debugging symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/atk.so
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/pangocairo.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/pangocairo.so
Reading symbols from /lib/tls/i686/cmov/libnss_compat.so.2...(no debugging 
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libnss_compat.so.2
Reading symbols from /lib/tls/i686/cmov/libnsl.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libnsl.so.1
Reading symbols from /lib/tls/i686/cmov/libnss_nis.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libnss_nis.so.2
Reading symbols from /lib/tls/i686/cmov/libnss_files.so.2...(no debugging 
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libnss_files.so.2
Reading symbols from 
/var/lib/python-support/python2.5/gtk-2.0/gtk/glade.so...(no debugging symbols 
found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gtk/glade.so
Reading symbols from /usr/lib/libglade-2.0.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libglade-2.0.so.0
Reading symbols from /usr/lib/libxml2.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxml2.so.2
Reading symbols from /var/lib/python-support/python2.5/gtk-2.0/gconf.so...(no 
debugging symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/gtk-2.0/gconf.so
Reading symbols from /usr/lib/libgconf-2.so.4...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgconf-2.so.4
Reading symbols from /usr/lib/libORBit-2.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libORBit-2.so.0
Reading symbols from /usr/lib/libdbus-glib-1.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libdbus-glib-1.so.2
Reading symbols from /lib/libdbus-1.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libdbus-1.so.3
Reading symbols from /usr/lib/python2.5/site-packages/apt_pkg.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/python2.5/site-packages/apt_pkg.so
Reading symbols from /usr/lib/libapt-pkg-libc6.8-6.so.4.6...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/libapt-pkg-libc6.8-6.so.4.6
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /usr/lib/python2.5/lib-dynload/math.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/math.so
Reading symbols from /usr/lib/python2.5/lib-dynload/binascii.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/binascii.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_random.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_random.so
Reading symbols from /usr/lib/python2.5/lib-dynload/fcntl.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/fcntl.so
Reading symbols from /usr/lib/python2.5/lib-dynload/select.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/select.so
Reading symbols from /usr/lib/python2.5/lib-dynload/time.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/time.so
Reading symbols from /usr/lib/python2.5/lib-dynload/cStringIO.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/cStringIO.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_hashlib.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_hashlib.so
Reading symbols from /usr/lib/i686/cmov/libssl.so.0.9.8...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/i686/cmov/libssl.so.0.9.8
Reading symbols from /usr/lib/i686/cmov/libcrypto.so.0.9.8...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/i686/cmov/libcrypto.so.0.9.8
Reading symbols from /usr/lib/python2.5/lib-dynload/_socket.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_socket.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_ssl.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_ssl.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_bisect.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_bisect.so
Reading symbols from /var/lib/python-support/python2.5/_dbus_bindings.so...(no 
debugging symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/_dbus_bindings.so
Reading symbols from /usr/lib/python2.5/lib-dynload/_weakref.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/_weakref.so
Reading symbols from /usr/lib/python2.5/lib-dynload/collections.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/collections.so
Reading symbols from /usr/lib/python2.5/lib-dynload/pyexpat.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/pyexpat.so
Reading symbols from 
/var/lib/python-support/python2.5/_dbus_glib_bindings.so...(no debugging 
symbols found)...done.
Loaded symbols for /var/lib/python-support/python2.5/_dbus_glib_bindings.so
Reading symbols from /usr/lib/python2.5/lib-dynload/grp.so...(no debugging 
symbols found)...done.
Loaded symbols for /usr/lib/python2.5/lib-dynload/grp.so
Reading symbols from /usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so
Reading symbols from /usr/lib/pango/1.6.0/modules/pango-basic-fc.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
Reading symbols from /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so
Reading symbols from /usr/lib/librsvg-2.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/librsvg-2.so.2
Reading symbols from /usr/lib/libgsf-1.so.114...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgsf-1.so.114
Reading symbols from /usr/lib/libcroco-0.6.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcroco-0.6.so.3
Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libbz2.so.1.0
Reading symbols from 
/usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
Reading symbols from /lib/libnss_mdns4_minimal.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_mdns4_minimal.so.2
Reading symbols from /lib/tls/i686/cmov/libnss_dns.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libnss_dns.so.2
Reading symbols from /lib/tls/i686/cmov/libresolv.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/tls/i686/cmov/libresolv.so.2
(no debugging symbols found)
0xb7f60430 in __kernel_vsyscall ()
(gdb) continue
Continuing.
[New Thread 0xb6607b90 (LWP 7562)]
[New Thread 0xb4d15b90 (LWP 7569)]
[Thread 0xb6607b90 (LWP 7562) exited]
[New Thread 0xb6607b90 (LWP 12285)]
[Thread 0xb6607b90 (LWP 12285) exited]
[New process 7192]
Executing new program: /usr/bin/gksu
(no debugging symbols found)
warning: Cannot initialize thread debugging library: generic error
warning: Cannot initialize thread debugging library: generic error
(no debugging symbols found)
[New process 7192]

Program received signal SIGBUS, Bus error.
0xb8040baf in ?? () from /lib/ld-linux.so.2
(gdb) backtrace full
#0  0xb8040baf in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#1  0xb8031752 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#2  0xb8032aed in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#3  0xb8037df7 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#4  0xb8038716 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#5  0xb8036f1d in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#6  0xb802db3f in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#7  0xb803eea1 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#8  0xb802bbfd in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#9  0xb802b7f7 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
(gdb) info registers
eax            0x0      0
ecx            0x1cd    461
edx            0x734    1844
ebx            0xb8046ff4       -1207668748
esp            0xbf944500       0xbf944500
ebp            0xbf944508       0xbf944508
esi            0x734    1844
edi            0xb77db62c       -1216498132
eip            0xb8040baf       0xb8040baf
eflags         0x10202  [ IF RF ]
cs             0x73     115
ss             0x7b     123
ds             0x7b     123
es             0x7b     123
fs             0x0      0
gs             0x0      0
(gdb) thread apply all backtrace

Thread 6 (process 7192):
#0  0xb8040baf in ?? () from /lib/ld-linux.so.2
#1  0xb8031752 in ?? () from /lib/ld-linux.so.2
#2  0xb8032aed in ?? () from /lib/ld-linux.so.2
#3  0xb8037df7 in ?? () from /lib/ld-linux.so.2
#4  0xb8038716 in ?? () from /lib/ld-linux.so.2
#5  0xb8036f1d in ?? () from /lib/ld-linux.so.2
#6  0xb802db3f in ?? () from /lib/ld-linux.so.2
#7  0xb803eea1 in ?? () from /lib/ld-linux.so.2
#8  0xb802bbfd in ?? () from /lib/ld-linux.so.2
#9  0xb802b7f7 in ?? () from /lib/ld-linux.so.2
/build/buildd/gdb-6.8/gdb/linux-nat.c:2467: internal-error: 
linux_nat_thread_alive: Assertion `is_lwp (ptid)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
/build/buildd/gdb-6.8/gdb/linux-nat.c:2467: internal-error: 
linux_nat_thread_alive: Assertion `is_lwp (ptid)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
(gdb) backtrace full
#0  0xb8040baf in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#1  0xb8031752 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#2  0xb8032aed in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#3  0xb8037df7 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#4  0xb8038716 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#5  0xb8036f1d in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#6  0xb802db3f in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#7  0xb803eea1 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#8  0xb802bbfd in ?? () from /lib/ld-linux.so.2
No symbol table info available.
#9  0xb802b7f7 in ?? () from /lib/ld-linux.so.2
No symbol table info available.
(gdb) info registers
eax            0x0      0
ecx            0x1cd    461
edx            0x734    1844
ebx            0xb8046ff4       -1207668748
esp            0xbf944500       0xbf944500
ebp            0xbf944508       0xbf944508
esi            0x734    1844
edi            0xb77db62c       -1216498132
eip            0xb8040baf       0xb8040baf
eflags         0x10202  [ IF RF ]
cs             0x73     115
ss             0x7b     123
ds             0x7b     123
es             0x7b     123
fs             0x0      0
gs             0x0      0
(gdb) thread apply all backtrace

Thread 6 (process 7192):
#0  0xb8040baf in ?? () from /lib/ld-linux.so.2
#1  0xb8031752 in ?? () from /lib/ld-linux.so.2
#2  0xb8032aed in ?? () from /lib/ld-linux.so.2
#3  0xb8037df7 in ?? () from /lib/ld-linux.so.2
#4  0xb8038716 in ?? () from /lib/ld-linux.so.2
#5  0xb8036f1d in ?? () from /lib/ld-linux.so.2
#6  0xb802db3f in ?? () from /lib/ld-linux.so.2
#7  0xb803eea1 in ?? () from /lib/ld-linux.so.2
#8  0xb802bbfd in ?? () from /lib/ld-linux.so.2
#9  0xb802b7f7 in ?? () from /lib/ld-linux.so.2
/build/buildd/gdb-6.8/gdb/linux-nat.c:2467: internal-error: 
linux_nat_thread_alive: Assertion `is_lwp (ptid)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
/build/buildd/gdb-6.8/gdb/linux-nat.c:2467: internal-error: 
linux_nat_thread_alive: Assertion `is_lwp (ptid)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
(gdb) continue
Continuing.

Program terminated with signal SIGBUS, Bus error.
The program no longer exists.
(gdb) run -c -d
Starting program: /usr/bin/gksu -c -d
(no debugging symbols found)
(no debugging symbols found)

Program received signal SIGBUS, Bus error.
0xb7ff2baf in ?? () from /lib/ld-linux.so.2
(gdb) quit
The program is running.  Exit anyway? (y or n) n
Not confirmed.
(gdb) continue
Continuing.

Program terminated with signal SIGBUS, Bus error.
The program no longer exists.
(gdb) run
Starting program: /usr/bin/gksu -c -d
(no debugging symbols found)
(no debugging symbols found)

Program received signal SIGBUS, Bus error.
0xb7fbabaf in ?? () from /lib/ld-linux.so.2
(gdb) quit
The program is running.  Exit anyway? (y or n) y
r...@ubuntu:/home/ubuntu# 


** Attachment added: "gdb-update-manager.txt"
   http://launchpadlibrarian.net/21057900/gdb-update-manager.txt

-- 
update-manager crashed with SIGSEGV in PyErr_SetFromErrnoWithFilenameObject()
https://bugs.launchpad.net/bugs/312364
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