Pidgin crashes after established connection to google talk

[Dmitry Teslenko]

Here's results of debugging with gdb:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1223964464 (LWP 9850)]
jabber_caps_client_iqcb (js=0x868f258, packet=0x870d138, data=0x871ec58)
    at ../../../../libpurple/protocols/jabber/caps.c:440
440     ../../../../libpurple/protocols/jabber/caps.c: No such file or
directory.
        in ../../../../libpurple/protocols/jabber/caps.c


backtrace:
#0  jabber_caps_client_iqcb (js=0x868f258, packet=0x870d138, data=0x871ec58)
    at ../../../../libpurple/protocols/jabber/caps.c:440
#1  0xb66634a2 in jabber_iq_parse (js=0x868f258, packet=0x870d138)
    at ../../../../libpurple/protocols/jabber/iq.c:324
#2  0xb666c39f in jabber_process_packet (js=0x868f258, packet=0xbff9e0ec)
    at ../../../../libpurple/protocols/jabber/jabber.c:197
#3  0xb666f589 in jabber_parser_element_end_libxml (user_data=0x868f258,
    element_name=0x86c86ac "iq", prefix=0x0,
    namespace=0x86c8643 "jabber:client")
    at ../../../../libpurple/protocols/jabber/parser.c:116
#4  0xb751132d in ?? () from /usr/lib/libxml2.so.2
#5  0x0868f258 in ?? ()
#6  0x086c86ac in ?? ()
#7  0x00000000 in ?? ()

Pidgin (gaim) worked for me for year or more without modifications of
configuration and recently (yestarday or so) I've got that crash.

Please, help to find out what's problem.

Its pidgin 2.2.1 @ ubuntu 7.10