Crashes when trying to add music on my iPod Shuffle

pierre@pierre-MacBook:~$ gtkpod

** (gtkpod:20007): CRITICAL **: itdb_get_music_dir: assertion `mountpoint' failed

** (gtkpod:20007): CRITICAL **: itdb_get_music_dir: assertion `mountpoint' failed
*** glibc detected *** gtkpod: double free or corruption (!prev): 0x0a257098 ***
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(+0x73e42)[0xb6cf1e42]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x4cd0b)[0xb6e8ad0b]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_free+0x20)[0xb6e8af90]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x35840)[0xb6e73840]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_hash_table_remove_all+0x2b)[0xb6e748ab]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_hash_table_destroy+0x26)[0xb6e74946]
/usr/lib/libgtkpod.so.1(add_directory_by_name+0x9b)[0xb7723dfb]
/usr/lib/gtkpod/libplaylist_display.so(+0xd035)[0xa9d16035]
/usr/lib/i386-linux-gnu/libgdk-3.so.0(+0x129de)[0xb71119de]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x44850)[0xb6e82850]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x146)[0xb6e84d86]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x47125)[0xb6e85125]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_main_loop_run+0x7b)[0xb6e8556b]
/usr/lib/i386-linux-gnu/libgtk-3.so.0(gtk_main+0xa5)[0xb72fdfb5]
gtkpod(main+0xb3)[0x804da03]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0xb6c974d3]
gtkpod[0x804da29]
======= Memory map: ========
08048000-08057000 r-xp 00000000 08:02 1196228 /usr/bin/gtkpod
08057000-08058000 r--p 0000e000 08:02 1196228 /usr/bin/gtkpod
08058000-08059000 rw-p 0000f000 08:02 1196228 /usr/bin/gtkpod
08059000-0805a000 rw-p 00000000 00:00 0
09bb1000-0a44e000 rw-p 00000000 00:00 0 [heap]
a2f00000-a2f01000 ---p 00000000 00:00 0
a2f01000-a3701000 rw-p 00000000 00:00 0
a3701000-a3702000 ---p 00000000 00:00 0
a3702000-a3f02000 rw-p 00000000 00:00 0
a3f02000-a3f03000 ---p 00000000 00:00 0
a3f03000-a4703000 rw-p 00000000 00:00 0
a4703000-a4704000 ---p 00000000 00:00 0
a4704000-a4f04000 rw-p 00000000 00:00 0
a5f06000-a64f9000 r--p 00000000 08:02 2890209 /usr/share/fonts/opentype/ipafont-gothic/ipag.ttf
a64f9000-a74fd000 r--p 00000000 08:02 1837879 /usr/share/fonts/truetype/wqy/wqy-zenhei.ttc
a7cfe000-a7cff000 ---p 00000000 00:00 0
a7cff000-a84ff000 rw-p 00000000 00:00 0
a8d00000-a8d21000 rw-p 00000000 00:00 0
a8d21000-a8e00000 ---p 00000000 00:00 0
a95f1000-a960d000 r-xp 00000000 08:02 132006 /lib/i386-linux-gnu/libgcc_s.so.1
a960d000-a960e000 r--p 0001b000 08:02 132006 /lib/i386-linux-gnu/libgcc_s.so.1
a960e000-a960f000 rw-p 0001c000 08:02 132006 /lib/i386-linux-gnu/libgcc_s.so.1
a9625000-a9642000 r--p 00000000 08:02 3152209 /usr/share/fonts/truetype/droid/DroidSansMono.ttf
a9642000-a9686000 r-xp 00000000 08:02 1184967 /usr/lib/i386-linux-gnu/libibus-1.0.so.0.401.0
a9686000-a9687000 r--p 00043000 08:02 1184967 /usr/lib/i386-linux-gnu/libibus-1.0.so.0.401.0
a9687000-a9688000 rw-p 00044000 08:02 1184967 /usr/lib/i386-linux-gnu/libibus-1.0.so.0.401.0
a968d000-a969e000 r--p 00000000 08:02 1976296 /usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf
a969e000-a96a4000 r-xp 00000000 08:02 1183599 /usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so
a96a4000-a96a5000 r--p 00005000 08:02 1183599 /usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so
a96a5000-a96a6000 rw-p 00006000 08:02 1183599 /usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so
a96a6000-a973c000 r--p 00000000 08:02 1835632 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-BoldOblique.ttf
a973c000-a97e1000 r--p 00000000 08:02 1835068 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf
a97e1000-a97f1000 r-xp 00000000 08:02 1180097 /usr/lib/i386-linux-gnu/gio/modules/libgioremote-volume-monitor.so
a97f1000-a97f2000 r--p 0000f000 08:02 1180097 /usr/lib/i386-linux-gnu/gio/modules/libgioremote-volume-monitor.so
a97f2000-a97f3000 rw-p 00010000 08:02 1180097 /usr/lib/i386-linux-gnu/gio/modules/libgioremote-volume-monitor.so
a97f3000-a97fb000 r-xp 00000000 08:02 1324982 /usr/lib/gtkpod/libphoto_editor.so
a97fb000-a97fc000 r--p 00007000 08:02 1324982 /usr/lib/gtkpod/libphoto_editor.so
a97fc000-a97fd000 rw-p 00008000 08:02 1324982 /usr/lib/gtkpod/libphoto_editor.so
a97fd000-a9805000 r-xp 00000000 08:02 132008 /lib/i386-linux-gnu/libcrypt-2.15.so
a9805000-a9806000 r--p 00007000 08:02 132008 /lib/i386-linux-gnu/libcrypt-2.15.so
a9806000-a9807000 rw-p 00008000 08:02 132008 /lib/i386-linux-gnu/libcrypt-2.15.so
a9807000-a982e000 rw-p 00000000 00:00 0
a982e000-a9871000 r-xp 00000000 08:02 1180765 /usr/lib/i386-linux-gnu/libhx509.so.5.0.0
a9871000-a9872000 ---p 00043000 08:02 1180765 /usr/lib/i386-linux-gnu/libhx509.so.5.0.0
a9872000-a9873000 r--p 00043000 08:02 1180765 /usr/lib/i386-linux-gnu/libhx509.so.5.0.0
a9873000-a9875000 rw-p 00044000 08:02 1180765 /usr/lib/i386-linux-gnu/libhx509.so.5.0.0
a9875000-a9882000 r-xp 00000000 08:02 1180722 /usr/lib/i386-linux-gnu/libheimbase.so.1.0.0
a9882000-a9883000 r--p 0000c000 08:02 1180722 /usr/lib/i386-linux-gnu/libheimbase.so.1.0.0
a9883000-a9884000 rw-p 0000d000 08:02 1180722 /usr/lib/i386-linux-gnu/libheimbase.so.1.0.0
a9884000-a98ab000 r-xp 00000000 08:02 1180742 /usr/lib/i386-linux-gnu/libwind.so.0.0.0
a98ab000-a98ac000 r--p 00027000 08:02 1180742 /usr/lib/i386-linux-gnu/libwind.so.0.0.0
a98ac000-a98ad000 rw-p 00028000 08:02 1180742 /usr/lib/i386-linux-gnu/libwind.so.0.0.0
a98ad000-a98af000 r-xp 00000000 08:02 137713 /lib/i386-linux-gnu/libkeyutils.so.1.4
a98af000-a98b0000 r--p 00002000 08:02 137713 /lib/i386-linux-gnu/libkeyutils.so.1.4
a98b0000-a98b1000 rw-p 00003000 08:02 137713 /lib/i386-linux-gnu/libkeyutils.so.1.4
a98b1000-a98c5000 r-xp 00000000 08:02 1180692 /usr/lib/i386-linux-gnu/libroken.so.18.1.0
a98c5000-a98c6000 r--p 00013000 08:02 1180692 /usr/lib/i386-linux-gnu/libroken.so.18.1.0
a98c6000-a98c7000 rw-p 00014000 08:02 1180692 /usr/lib/i386-linux-gnu/libroken.so.18.1.0
a98c7000-a98f9000 r-xp 00000000 08:02 1180719 /usr/lib/i386-linux-gnu/libhcrypto.so.4.1.0
a98f9000-a98fa000 r--p 00032000 08:02 1180719 /usr/lib/i386-linux-gnu/libhcrypto.so.4.1.0
a98fa000-a98fb000 rw-p 00033000 08:02 1180719 /usr/lib/i386-linux-gnu/libhcrypto.so.4.1.0
a98fb000-a98fc000 rw-p 00000000 00:00 0
a98fc000-a999c000 r-xp 00000000 08:02 1180709 /usr/lib/i386-linux-gnu/libasn1.so.8.0.0
a999c000-a999d000 ---p 000a0000 08:02 1180709 /usr/lib/i386-linux-gnu/libasn1.so.8.0.0
a999d000-a999e000 r--p 000a0000 08:02 1180709 /usr/lib/i386-linux-gnu/libasn1.so.8.0.0
a999e000-a99a1000 rw-p 000a1000 08:02 1180709 /usr/lib/i386-linux-gnu/libasn1.so.8.0.0
a99a1000-a9a20000 r-xp 00000000 08:02 1180945 /usr/lib/i386-linux-gnu/libkrb5.so.26.0.0Abandon (core dumped)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gtkpod 2.1.1-1
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic-pae 3.2.19
Uname: Linux 3.2.0-26-generic-pae i686
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
Date: Fri Jul 6 10:09:12 2012
ProcEnviron:
 LANGUAGE=fr_FR:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: gtkpod
UpgradeStatus: Upgraded to precise on 2012-04-27 (70 days ago)