Someone

]/research_all 

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1214798160 (LWP 25302)]
0x0808251e in MN_Command_f () at src/client/cl_menu.c:747
747                     for (node = menuStack[i]->firstNode; node; node = node->next)
(gdb) bt
#0  0x0808251e in MN_Command_f () at src/client/cl_menu.c:747
#1  0x080ab6ef in Cmd_ExecuteString (text=0xbfd0078c "research_clear") at src/qcommon/cmd.c:930
#2  0x080aa5ea in Cbuf_Execute () at src/qcommon/cmd.c:266
#3  0x080808c1 in CL_SendCommand () at src/client/cl_main.c:2071
#4  0x080810ac in CL_Frame (msec=11) at src/client/cl_main.c:2312
#5  0x080b79b4 in Qcommon_Frame (msec=12) at src/qcommon/common.c:1712
#6  0x080da729 in main (argc=1, argv=0xbfd00d54) at src/ports/linux/sys_linux.c:644
(gdb) bt full
#0  0x0808251e in MN_Command_f () at src/client/cl_menu.c:747
        node = (menuNode_t *) 0x0
        name = 0x1ddd97d0 "research_clear"
        i = 3
#1  0x080ab6ef in Cmd_ExecuteString (text=0xbfd0078c "research_clear") at src/qcommon/cmd.c:930
        cmd = (cmd_function_t *) 0x1d8748f0
        a = (cmd_alias_t *) 0x0
        str = 0x1ddd97d0 "research_clear"
        hash = 14
#2  0x080aa5ea in Cbuf_Execute () at src/qcommon/cmd.c:266
        i = 15
        text = 0x9506020 "research_clear\n\n\n\n\nelect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteamselect0\nteamselect0\n1\nteam"...
        line = "research_clear\000h", '\0' <repeats 750 times>, "\n&#65533;\b\202&#1207;\000\000\000\000&#65533;aY\035&#65533;\n&#1087;b&#65533;&#567;&#65533;aY\035\002\000\000\00002\000\00000$8&#65533;&#65533;&#65533;000\000\000\000x\v&#1087;\003&#65533;&#65533;&#65533;aY\035\001\000\000\000&#65533;a\000\000\000\000\000\000&#65533;&#65533;000\000\000\000&#65533;n&#1087;&#65533;031\r\b)&#65533;\016\b\004\000\000\000\237\206\001\0005\001c?\000\000\000\000\000\002\000\000\200\001\000\000\000\000\000\000&#65533;&#65533;000\000\000\000\004\000\000\000&#65533;005\000\000\000\000\000\000&#65533;aY\035\002\000&#65533;\004v\000\000\000\000\000\000\000()\036q\000\002\000\000\200\001\000\000\005\002\000\000&#65533;001\000\000"...
        quotes = 0
#3  0x080808c1 in CL_SendCommand () at src/client/cl_main.c:2071
No locals.
#4  0x080810ac in CL_Frame (msec=11) at src/client/cl_main.c:2312
        type = 0xbfd00bf8 "x\f&#1087;&#65533;y\v\b\v"
        name = 0x895440 <Address 0x895440 out of bounds>
        text = 0x0
        extratime = 0
        lasttimecalled = 0
#5  0x080b79b4 in Qcommon_Frame (msec=12) at src/qcommon/common.c:1712
        frametime = 11
        s = 0x0
        wait = -3
        time_before = 0
        time_between = 0
        time_after = 0
        sv_timer = 0
        cl_timer = -8
#6  0x080da729 in main (argc=1, argv=0xbfd00d54) at src/ports/linux/sys_linux.c:644
        time = 12
        oldtime = 12836
        newtime = 12848
        timescale = 1
(gdb)