关于ARM Linux下的GDBServer

在一块ARM Linux 开发板上，我想用GDBServer进行Debug.
首先尝试PC机（安装Fedora Core 1）上自带的gdbserver，
启动gdbserver:gdbserver :3000 Helloworld
启动gdb:gdb Helloworld
(gdb)target remote 192.168.0.30:3000
其中192.168.0.30是我本机的IP，对一个Helloworld进行调试效果跟GDB直接调差不多。用一个多线程的程序尝试，出现错误退出。
gdb错误信息：
(gdb) target remote 192.168.0.30:3000
Remote debugging using 192.168.0.30:3000
0x001bec50 in ?? ()
Breakpoint 1 at 0x8049158: file Angel.c, line 240.
(gdb) c
Continuing.
Ignoring packet error, continuing...
Ignoring packet error, continuing...
Ignoring packet error, continuing...

Program terminated with signal SIGTRAP, Trace/breakpoint trap.
The program no longer exists.
(gdb)

gdbserver错误信息：
gdbserver :3000 angel_ice/src/angel_ice
Process angel_ice/src/angel_ice created; pid = 836
Remote debugging from host 192.168.0.30
Cannot find new threads: capability not available
Cannot find new threads: capability not available
Cannot find new threads: capability not available

Child terminated with signal = 5

Child terminated with signal = 0x46
GDBserver exiting
于是我下载gdb6.3版自已编译,问题相同。这样我就调不了Minigui Thread模式的应用程序了。请问大合资们，这是怎么回事？是不是我用的方法不对？

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