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Hi Derek,<br>
<br>
I've played a bit around with it as you suggested.<br>
I have following program versions installed:<br>
<br>
lt1:~# dpkg -l *fprint*<br>
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig
Löschen/Halten<br>
| Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/<br>
         Halb installiert/Trigger erWartet/Trigger anhängig<br>
|/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler:
GROSS=schlecht)<br>
||/ Name                        Version                     Beschreibung<br>
+++-===========================-===========================-======================================================================<br>
ii  fprint-demo                 20080202-3                  simple GTK+
testing libfprint's functions<br>
ii  libfprint0                  20081125git-4               async
fingerprint library of fprint project, shared libraries             <br>
ii  libpam-fprint               20080330+git-4              PAM module
allowing authentication via fprint      <br>
<br>
lt1:~# dpkg -l libusb*<br>
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig
Löschen/Halten<br>
| Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/<br>
         Halb installiert/Trigger erWartet/Trigger anhängig<br>
|/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler:
GROSS=schlecht)<br>
||/ Name                        Version                     Beschreibung<br>
+++-===========================-===========================-======================================================================<br>
ii  libusb-0.1-4                2:0.1.12-13                 userspace
USB programming library<br>
ii  libusb-1.0-0                2:1.0.6-1                   userspace
USB programming library<br>
un  libusb0                     &lt;keine&gt;                    
(keine Beschreibung vorhanden)<br>
<br>
<br>
running fprint_demo with trying to scan a fingerprint doesn't produce
any output on the command line.<br>
<br>
So I updated fprint-demo and libusp-1.0-0 to following versions:<br>
                             <br>
lt1:~# dpkg -l *fprint*<br>
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig
Löschen/Halten<br>
| Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/<br>
         Halb installiert/Trigger erWartet/Trigger anhängig<br>
|/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler:
GROSS=schlecht)<br>
||/ Name                        Version                     Beschreibung<br>
+++-===========================-===========================-======================================================================<br>
ii  fprint-demo                 20080303git-4               simple GTK+
testing libfprint's functions<br>
ii  libfprint0                  20081125git-4               async
fingerprint library of fprint project, shared libraries<br>
ii  libpam-fprint               20080330+git-5              PAM module
allowing authentication via fprint<br>
<br>
lt1:~# dpkg -l libusb*<br>
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig
Löschen/Halten<br>
| Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/<br>
         Halb installiert/Trigger erWartet/Trigger anhängig<br>
|/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler:
GROSS=schlecht)<br>
||/ Name                        Version                     Beschreibung<br>
+++-===========================-===========================-======================================================================<br>
ii  libusb-0.1-4                2:0.1.12-13                 userspace
USB programming library<br>
ii  libusb-1.0-0                2:1.0.8-2                   userspace
USB programming library<br>
un  libusb0                     &lt;keine&gt;                    
(keine Beschreibung vorhanden)<br>
<br>
<br>
Now I'm able to _try_ to enroll a finger. The dialog "Scan your finger
now" appears (which does not in the earlier version). But I'm not able
to scan a finger - the dialog does not change. No output at commandline
yet.<br>
<br>
When I hit "cancel" fprint_demo crashes with this error:<br>
<br>
lt1:~# fprint_demo <br>
** Message: now monitoring fd 9<br>
*** glibc detected *** fprint_demo: free(): invalid pointer:
0x0000000002676918 ***<br>
======= Backtrace: =========<br>
/lib/libc.so.6[0x7f0fdb4c6e96]<br>
/lib/libc.so.6(cfree+0x6c)[0x7f0fdb4cbb3c]<br>
/usr/lib/libfprint.so.0[0x7f0fde4fabf3]<br>
/usr/lib/libfprint.so.0[0x7f0fde4fac3d]<br>
/usr/lib/libfprint.so.0[0x7f0fde4f7571]<br>
/usr/lib/libfprint.so.0[0x7f0fde4f766c]<br>
/usr/lib/libfprint.so.0(fp_async_enroll_stop+0x3a)[0x7f0fde4f4b7a]<br>
fprint_demo[0x405b81]<br>
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x15e)[0x7f0fdc2be47e]<br>
/usr/lib/libgobject-2.0.so.0[0x7f0fdc2d43f7]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7e6)[0x7f0fdc2d5a76]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x83)[0x7f0fdc2d5fc3]<br>
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x15e)[0x7f0fdc2be47e]<br>
/usr/lib/libgobject-2.0.so.0[0x7f0fdc2d43f7]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7e6)[0x7f0fdc2d5a76]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x83)[0x7f0fdc2d5fc3]<br>
/usr/lib/libgtk-x11-2.0.so.0[0x7f0fddf66235]<br>
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x15e)[0x7f0fdc2be47e]<br>
/usr/lib/libgobject-2.0.so.0[0x7f0fdc2d3cc1]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7e6)[0x7f0fdc2d5a76]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x83)[0x7f0fdc2d5fc3]<br>
/usr/lib/libgtk-x11-2.0.so.0[0x7f0fddf64f3d]<br>
/usr/lib/libgtk-x11-2.0.so.0[0x7f0fde011c08]<br>
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x15e)[0x7f0fdc2be47e]<br>
/usr/lib/libgobject-2.0.so.0[0x7f0fdc2d4040]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x62d)[0x7f0fdc2d58bd]<br>
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x83)[0x7f0fdc2d5fc3]<br>
/usr/lib/libgtk-x11-2.0.so.0[0x7f0fde127f6f]<br>
/usr/lib/libgtk-x11-2.0.so.0(gtk_propagate_event+0xc3)[0x7f0fde00a0f3]<br>
/usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x2eb)[0x7f0fde00b1ab]<br>
/usr/lib/libgdk-x11-2.0.so.0[0x7f0fddc7f3bc]<br>
/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1f2)[0x7f0fdba046c2]<br>
/lib/libglib-2.0.so.0[0x7f0fdba08538]<br>
/lib/libglib-2.0.so.0(g_main_loop_run+0x195)[0x7f0fdba08a45]<br>
/usr/lib/libgtk-x11-2.0.so.0(gtk_main+0xa7)[0x7f0fde00b647]<br>
fprint_demo[0x405030]<br>
/lib/libc.so.6(__libc_start_main+0xfd)[0x7f0fdb474abd]<br>
fprint_demo[0x403fd9]<br>
======= Memory map: ========<br>
00400000-0040a000 r-xp 00000000 fe:02
11618290                           /usr/bin/fprint_demo<br>
0060a000-0060b000 rw-p 0000a000 fe:02
11618290                           /usr/bin/fprint_demo<br>
025d9000-0289b000 rw-p 00000000 00:00
0                                  [heap]<br>
7f0fd0000000-7f0fd0021000 rw-p 00000000 00:00 0 <br>
7f0fd0021000-7f0fd4000000 ---p 00000000 00:00 0 <br>
7f0fd45d0000-7f0fd45e6000 r-xp 00000000 fe:01
563                        /lib/libgcc_s.so.1<br>
7f0fd45e6000-7f0fd47e5000 ---p 00016000 fe:01
563                        /lib/libgcc_s.so.1<br>
7f0fd47e5000-7f0fd47e6000 rw-p 00015000 fe:01
563                        /lib/libgcc_s.so.1<br>
7f0fd47ff000-7f0fd481a000 r--s 00000000 fe:02
18931211                   /usr/share/mime/mime.cache<br>
7f0fd481a000-7f0fd48a6000 r--p 00000000 fe:02
17014110                  
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf<br>
7f0fd48a6000-7f0fd493e000 r--p 00000000 fe:02
17014105                  
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf<br>
7f0fd493e000-7f0fd4940000 r-xp 00000000 fe:02
1405513                   
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so<br>
7f0fd4940000-7f0fd4b3f000 ---p 00002000 fe:02
1405513                   
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so<br>
7f0fd4b3f000-7f0fd4b40000 rw-p 00001000 fe:02
1405513                   
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so<br>
7f0fd4b40000-7f0fd4b49000 r--s 00000000 fe:0a
16841324                  
/var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-le64.cache-3<br>
7f0fd4b49000-7f0fd4b4c000 r--s 00000000 fe:0a
16974469                  
/var/cache/fontconfig/ea47318ec9849e1a71e80a5d69d13859-le64.cache-3<br>
7f0fd4b4c000-7f0fd4b4e000 r--s 00000000 fe:0a
16974464                  
/var/cache/fontconfig/e3fa16a14183b06aa45b3e009278fd14-le64.cache-3<br>
7f0fd4b4e000-7f0fd4b51000 r--s 00000000 fe:0a
16974476                  
/var/cache/fontconfig/b5ea634b0fb353b8ea17632d1f9ef766-le64.cache-3<br>
7f0fd4b51000-7f0fd4b55000 r--s 00000000 fe:0a
16841322                  
/var/cache/fontconfig/6eb3985aa4124903f6ff08ba781cd364-le64.cache-3<br>
7f0fd4b55000-7f0fd59c8000 r--p 00000000 fe:02
11618303                   /usr/share/icons/hicolor/icon-theme.cache<br>
7f0fd59c8000-7f0fd59d3000 r-xp 00000000 fe:01
198583                     /lib/libnss_files-2.10.2.so<br>
7f0fd59d3000-7f0fd5bd2000 ---p 0000b000 fe:01
198583                     /lib/libnss_files-2.10.2.so<br>
7f0fd5bd2000-7f0fd5bd3000 r--p 0000a000 fe:01
198583                     /lib/libnss_files-2.10.2.so<br>
7f0fd5bd3000-7f0fd5bd4000 rw-p 0000b000 fe:01
198583                     /lib/libnss_files-2.10.2.so<br>
7f0fd5bd4000-7f0fd5bde000 r-xp 00000000 fe:01
198586                     /lib/libnss_nis-2.10.2.so<br>
7f0fd5bde000-7f0fd5ddd000 ---p 0000a000 fe:01
198586                     /lib/libnss_nis-2.10.2.so<br>
7f0fd5ddd000-7f0fd5dde000 r--p 00009000 fe:01
198586                     /lib/libnss_nis-2.10.2.so<br>
7f0fd5dde000-7f0fd5ddf000 rw-p 0000a000 fe:01
198586                     /lib/libnss_nis-2.10.2.so<br>
7f0fd5ddf000-7f0fd5df4000 r-xp 00000000 fe:01
198596                     /lib/libnsl-2.10.2.so<br>
7f0fd5df4000-7f0fd5ff3000 ---p 00015000 fe:01
198596                     /lib/libnsl-2.10.2.so<br>
7f0fd5ff3000-7f0fd5ff4000 r--p 00014000 fe:01
198596                     /lib/libnsl-2.10.2.so<br>
7f0fd5ff4000-7f0fd5ff5000 rw-p 00015000 fe:01
198596                     /lib/libnsl-2.10.2.so<br>
7f0fd5ff5000-7f0fd5ff7000 rw-p 00000000 00:00 0 <br>
7f0fd5ff7000-7f0fd5ffe000 r-xp 00000000 fe:01
198590                     /lib/libnss_compat-2.10.2.so<br>
7f0fd5ffe000-7f0fd61fd000 ---p 00007000 fe:01
198590                     /lib/libnss_compat-2.10.2.so<br>
7f0fd61fd000-7f0fd61fe000 r--p 00006000 fe:01
198590                     /lib/libnss_compat-2.10.2.so<br>
7f0fd61fe000-7f0fd61ff000 rw-p 00007000 fe:01
198590                     /lib/libnss_compat-2.10.2.so<br>
7f0fd61ff000-7f0fd6202000 r-xp 00000000 fe:01
146                        /lib/libuuid.so.1.3.0<br>
7f0fd6202000-7f0fd6402000 ---p 00003000 fe:01
146                        /lib/libuuid.so.1.3.0<br>
7f0fd6402000-7f0fd6403000 rw-p 00003000 fe:01
146                        /lib/libuuid.so.1.3Abgebrochen<br>
lt1:~# <br>
<br>
<br>
I hope you can do anything useful with this information ;-)<br>
<br>
Kind regards,<br>
<br>
-Andreas.<br>
<br>
<br>
<br>
Am 2010-06-08 14:51, schrieb Ulises Vitulli:
<blockquote cite="mid:4C0E3CC4.30203@debian.org" type="cite">
  <meta content="text/html; charset=ISO-8859-15"
 http-equiv="Content-Type">
  <title></title>
On -10/01/37 16:59, Andreas Schlager wrote:
  <blockquote cite="mid:%3C4C0AB008.9040708@ict-visions.at%3E"
 type="cite">
    <meta http-equiv="content-type"
 content="text/html; charset=ISO-8859-15">
Hi,<br>
    <br>
I've got exactly the same error on a Lenovo Thinkpad W510.<br>
    <br>
Linux version 2.6.32-3-amd64 (Debian 2.6.32-9) (<a
 moz-do-not-send="true" class="moz-txt-link-abbreviated"
 href="mailto:maks@debian.org">maks@debian.org</a>) (gcc
version 4.3.4 (Debian 4.3.4-8) ) #1 SMP Wed Feb 24 18:07:42 UTC 2010<br>
    <br>
lsusb: Bus 001 Device 003: ID 147e:2016 Upek Biometric
Touchchip/Touchstrip Fingerprint Sensor<br>
    <br>
Bus 001 Device 003: ID 147e:2016 Upek Biometric Touchchip/Touchstrip
Fingerprint Sensor<br>
    <br>
  </blockquote>
  <br>
Hi Martin &amp;&amp; Andreas!<br>
  <br>
I'm aware that UPEK's driver has this unexpected behaviour from time to
time, but would be a little surprised to see it failing all the time.<br>
  <br>
Can you launch fprint-demo from a terminal and attach any error
reported?<br>
Above from that, could you try version <span class="unstable"
 title="unstable: 04 Jun 2010 by Ulises Vitulli &lt;dererk@debian.org&gt;">20080303git-4</span>
(and double check having libusb 1.0-x, just in case)? <br>
 <br>
  <br>
Greetings,<br>
  <br>
Dererk<br>
  <pre class="moz-signature" cols="72">-- 
BOFH excuse #408:
Computers under water due to SYN flooding.
  </pre>
</blockquote>
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