I know now the reason of the dbg error: http://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg340219.html Bug#421270
<quote> You're using a 32-bit installation with a 64-bit kernel, right? GDB doesn't work in this configuration. It's a kernel bug; the ptrace 32-bit emulation does not handle some operations that normal i386 ptrace handles. -- Daniel Jacobowitz CodeSourcery </quote> There seems to be no way to escape :( -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]