still crushing after update.. 

ver. 6.0.400.0~svn20100510r46805-0ubuntu1~ucd1

(gdb) backtrace full
#0  0x00e83cab in std::string::_Rep::_S_create(unsigned int, unsigned int, std::allocator<char> const&) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#1  0x00e84978 in std::string::_Rep::_M_clone(std::allocator<char> const&, unsigned int) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#2  0x00e857ad in std::string::reserve(unsigned int) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#3  0x00e85930 in std::string::append(unsigned int, char) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#4  0x08624e53 in FilePath::Append (this=0xa97da08, component=...) at base/file_path.cc:409
        new_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
              _M_p = 0xa687cfc "/usr/share/icons/Bamboo-zen"}}}
#5  0x08637b44 in GetIconPathUnderSubdir (this=<value optimized out>, icon_name=<value optimized out>, subdir=...) at base/mime_util_xdg.cc:239
        i = 0
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
#6  0x08638044 in GetIconPath (this=0xa6676c0, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:184
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 182847692
        theme = <value optimized out>
#7  0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
#8  0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
#9  0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
#10 0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
#11 0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
#12 0x086381c3 in GetIconPath (this=<value optimized out>, icon_name=<value optimized out>, size=16, inherits=true) at base/mime_util_xdg.cc:211
        icon_path = {static kSeparators = 0x94fd198 "/", static kCurrentDirectory = 0x94fd19a ".", static kParentDirectory = 0x94fd19c "..", 
          static kExtensionSeparator = 46 '.', path_ = {static npos = 4294967295, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa30d59c ""}}}
        min_delta_seen = 9999
        theme = <value optimized out>
....