Hi,

According to your last message, please, hereafter the answer:

ange@Ange:~$ gdb flegita
GNU gdb (GDB) 7.0-ubuntu
Copyright (C) 2009 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".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/flegita...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/flegita
[Thread debugging using libthread_db enabled]
** (flegita:2921): DEBUG: Initializing gnome-scan 0.6.2 for flegita
(flegita)
** (flegita:2921): DEBUG: gsane-module.c:39: SANE version is 1.0.20
[New Thread 0xb6d63b70 (LWP 2924)]
[New Thread 0xb63ffb70 (LWP 2925)]
[New Thread 0xb5bfeb70 (LWP 2926)]
[New Thread 0xb53fdb70 (LWP 2927)]
[Thread 0xb53fdb70 (LWP 2927) exited]
[New Thread 0xb53fdb70 (LWP 2928)]
[New Thread 0xb4bfcb70 (LWP 2929)]
[Thread 0xb6d63b70 (LWP 2924) exited]
[Thread 0xb4bfcb70 (LWP 2929) exited]
[Thread 0xb53fdb70 (LWP 2928) exited]
[New Thread 0xb53fdb70 (LWP 2931)]
WARNING: Unhandled message: interface=org.freedesktop.DBus.Introspectable,
path=/, member=Introspect
** (flegita:2921): DEBUG: Ignoring virtual device v4l:/dev/video0
** (flegita:2921): DEBUG: SANE device v4l:/dev/video0 failed or ignored
[New Thread 0xb4bfcb70 (LWP 2932)]

(flegita:2921): GLib-CRITICAL **: g_utf8_strlen: assertion `p != NULL || max
== 0' failed
** (flegita:2921): DEBUG: Number of options ((null)):
** (flegita:2921): DEBUG:  gint none (GParamInt), (null)
** (flegita:2921): DEBUG:  default = 45 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:  === Device Epson generic (45 options) ===
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Scan Mode » --
** (flegita:2921): DEBUG: Scan mode (mode):
** (flegita:2921): DEBUG:  gchararray none (GSParamEnumSpec), {"Binary",
"Gray", "Color"}
** (flegita:2921): DEBUG:  default = "Binary" ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Bit depth (depth):
** (flegita:2921): DEBUG:  gint none (GSParamEnumSpec), {8}
** (flegita:2921): DEBUG:  default = 8 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Halftoning (halftoning):
** (flegita:2921): DEBUG:  gchararray none (GSParamEnumSpec), {"None",
"Halftone A (Hard Tone)", "Halftone B (Soft Tone)", "Halftone C (Net
Screen)", "Dither A (4x4 Bayer)", "Dither B (4x4 Spiral)", "Dither C (4x4
Net Screen)", "Dither D (8x4 Net Screen)", "Text Enhanced Technology",
"Download pattern A", "Download pattern B"}
** (flegita:2921): DEBUG:  default = "Halftone A (Hard Tone)" ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Dropout (dropout):
** (flegita:2921): DEBUG:  gchararray none (GSParamEnumSpec), {"None",
"Red", "Green", "Blue"}
** (flegita:2921): DEBUG:  default = "None" ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Brightness (brightness):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [0;1;0]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Sharpness (sharpness):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-2;1;2]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Gamma Correction (gamma-correction):
** (flegita:2921): DEBUG:  gchararray none (GSParamEnumSpec), {"User defined
(Gamma=1.0)", "User defined (Gamma=1.8)"}
** (flegita:2921): DEBUG:  default = "User defined (Gamma=1.8)" ; flags =
{writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Color correction (color-correction):
** (flegita:2921): DEBUG:  gchararray none (GSParamEnumSpec), {"No
Correction", "User defined", "Impact-dot printers", "Thermal printers",
"Ink-jet printers", "CRT monitors"}
** (flegita:2921): DEBUG:  default = "CRT monitors" ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Scan resolution (resolution):
** (flegita:2921): DEBUG:  gint dpi (GSParamEnumSpec), {75, 150, 300, 600}
** (flegita:2921): DEBUG:  default = 75 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Threshold (threshold):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [0;1;255]
** (flegita:2921): DEBUG:  default = 128 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Advanced » --
** (flegita:2921): DEBUG: Mirror image (mirror):
** (flegita:2921): DEBUG:  gboolean none (GParamBoolean), (null)
** (flegita:2921): DEBUG:  default = FALSE ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Auto area segmentation (auto-area-segmentation):
** (flegita:2921): DEBUG:  gboolean none (GParamBoolean), (null)
** (flegita:2921): DEBUG:  default = TRUE ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Short resolution list (short-resolution):
** (flegita:2921): DEBUG:  gboolean none (GParamBoolean), (null)
** (flegita:2921): DEBUG:  default = FALSE ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Red intensity (red-gamma-table):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [0;1;255]
** (flegita:2921): DEBUG:  default = 0 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Green intensity (green-gamma-table):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [0;1;255]
** (flegita:2921): DEBUG:  default = 0 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Blue intensity (blue-gamma-table):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [0;1;255]
** (flegita:2921): DEBUG:  default = 0 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Wait for Button (wait-for-button):
** (flegita:2921): DEBUG:  gboolean none (GParamBoolean), (null)
** (flegita:2921): DEBUG:  default = FALSE ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Color correction coefficients » --
** (flegita:2921): DEBUG: Green (cct-1):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 32 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift green to red (cct-2):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift green to blue (cct-3):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift red to green (cct-4):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Red (cct-5):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 32 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift red to blue (cct-6):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift blue to green (cct-7):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Shift blue to red (cct-8):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 0 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Blue (cct-9):
** (flegita:2921): DEBUG:  gint none (GSParamRangeSpec), [-127;1;127]
** (flegita:2921): DEBUG:  default = 32 ; flags = {}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Preview » --
** (flegita:2921): DEBUG: Preview (preview):
** (flegita:2921): DEBUG:  gboolean none (GParamBoolean), (null)
** (flegita:2921): DEBUG:  default = FALSE ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Geometry » --
** (flegita:2921): DEBUG: Top-left x (tl-x):
** (flegita:2921): DEBUG:  gdouble mm (GSParamRangeSpec),
[0,000000;1,000000;215,899994]
** (flegita:2921): DEBUG:  default = 0,000000 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Top-left y (tl-y):
** (flegita:2921): DEBUG:  gdouble mm (GSParamRangeSpec),
[0,000000;1,000000;297,179993]
** (flegita:2921): DEBUG:  default = 0,000000 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Bottom-right x (br-x):
** (flegita:2921): DEBUG:  gdouble mm (GSParamRangeSpec),
[0,000000;1,000000;215,899994]
** (flegita:2921): DEBUG:  default = 215,899994 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG: Bottom-right y (br-y):
** (flegita:2921): DEBUG:  gdouble mm (GSParamRangeSpec),
[0,000000;1,000000;297,179993]
** (flegita:2921): DEBUG:  default = 297,179993 ; flags = {writable}
** (flegita:2921): DEBUG:
** (flegita:2921): DEBUG:

** (flegita:2921): DEBUG:  -- Group « Optional equipment » --
[Thread 0xb5bfeb70 (LWP 2926) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb4bfcb70 (LWP 2932)]
0x00a90a80 in strcpy () from /lib/tls/i686/cmov/libc.so.6
(gdb) backtrace
#0  0x00a90a80 in strcpy () from /lib/tls/i686/cmov/libc.so.6
#1  0x01b0690b in sane_epson2_control_option ()
   from /usr/lib/sane/libsane-epson2.so.1
#2  0x0114434d in sane_dll_control_option () from /usr/lib/libsane.so.1
#3  0x01142929 in sane_control_option () from /usr/lib/libsane.so.1
#4  0x01138a06 in ?? () from /usr/lib/gnome-scan-1.0/libgsane.so
#5  0x0113a351 in ?? () from /usr/lib/gnome-scan-1.0/libgsane.so
#6  0x0113b040 in ?? () from /usr/lib/gnome-scan-1.0/libgsane.so
#7  0x009b137f in ?? () from /lib/libglib-2.0.so.0
#8  0x00a0a80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0x00aea8de in clone () from /lib/tls/i686/cmov/libc.so.6
(gdb) quit

Regards

2010/2/19 Etienne BERSAC <email address hidden>

> Ave,
>
> We need a detaille trace of the crash. Install gdb un run :
>
>  gdb flegita
>
> then type 'run', once it has crashed type 'backtrace' and post the
> entire output. Type 'quit' to exit.
>
> Étienne
>
> --
> problem with gscan2pdf and Xsane
> https://bugs.launchpad.net/bugs/523727
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Gnome Scan: New
> Status in “gnomescan” package in Ubuntu: New
> Status in “ubuntuone-client” package in Ubuntu: Invalid
>
> Bug description:
> Binary package hint: ubuntuone-client
>
> Xsane, Gscan2pdf and Gnome Scan
>
> ProblemType: Bug
> .home.ange..cache.ubuntuone.log.oauth.login.log: 2010-02-18
> 11:11:40,146:146.502971649 UbuntuOne.Client.Applet Démarrage du client
> Ubuntu One version 1.0.3
> .home.ange..config.ubuntuone.syncdaemon.conf:
>  [bandwidth_throttling]
>  on = False
>  read_limit = 0
>  write_limit = 0
> .home.ange..config.ubuntuone.ubuntuone.client.conf:
>  [ubuntuone]
>  show_applet = 1
>  connected = True
>  connect = 0
>  bookmarked = True
> Architecture: i386
> Date: Thu Feb 18 11:33:03 2010
> DistroRelease: Ubuntu 9.10
> NonfreeKernelModules: nvidia
> Package: ubuntuone-client 1.0.3-0ubuntu1
> PackageArchitecture: all
> ProcEnviron:
>  LANG=fr_FR.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.31-20.57-generic
> SourcePackage: ubuntuone-client
> Uname: Linux 2.6.31-20-generic i686
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/gnome-scan/+bug/523727/+subscribe
>