当我对加载链接到pthreads的.so的程序运行GDB时,GDB报告错误“无法找到新线程:通用错误”。
任何线索?
$ gdb --args lua -lluarocks.require GNU gdb (GDB) 7.0-ubuntu copyright (C) 2009 Free Software Foundation,Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY,to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions,please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/lua...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/lua -lluarocks.require Lua 5.1.4 copyright (C) 1994-2008 Lua.org,PUC-Rio > require 'ev' [Thread debugging using libthread_db enabled] Cannot find new threads: generic error (gdb) q A debugging session is active. Inferior 1 [process 4986] will be killed. Quit anyway? (y or n) y
http://github.com/brimworks/lua-ev/blob/master/lua_ev.c#L25-65
有关我的系统的其他信息:
$ uname -a Linux localhost 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 04:38:19 UTC 2010 x86_64 GNU/Linux
$ lsb_release -a No LSB modules are available. distributor ID: Ubuntu Description: Ubuntu 9.10 Release: 9.10 Codename: karmic
这也工作:
LD_PRELOAD = / lib / libpthread.so.0 gdb –args ./app