On 11.10.2010 21:38, El Reggae Dancer wrote:
(gdb) bt #0 0xec835356 in ?? () #1 0xfec311ea in iconv () from /usr/lib/libc.so.1 #2 0xfd1de6ac in php_iconv_string (in_p=0x87aec8c "", in_len=0, out=0x80468c4, out_len=0x80468c0, out_charset=0x8710858 "//IGNORE", in_charset=0x8775e70 "") at /opt/src/php-5.3.3/ext/iconv/iconv.c:521
It looks like it crashes on iconv (in include/main.inc: "iconv('', $iconv_options, '')"). So, try to reinstall iconv/php. Finally you can disable iconv extension in php.ini, in this case Roundcube will use mbstring extension or other build-in methods.