nptl? Under some circumstances, mostly related to nptl (New Posix Thread Library), there are access/security/etc. issues - look in the kernel stuff for 'ptrace', 'nptl', etc.
Make sure you have the latest & greatest gdb $ gdb --version GNU gdb Red Hat Linux (5.3post-0.20021129.18rh) Copyright 2003 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu". and you may need to run with -u root... Another thought is that ntop died, left some zombies and gdb can't attach to 'em... try ps axfm | grep ntop and look for Zs -----Burton > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of > Julien TOUCHE > Sent: Tuesday, December 23, 2003 10:45 AM > To: Ntop > Subject: [Ntop] Cannot find user-level thread > > > > what is this ? (on linux/debian x86) > > 23/Dec/2003 16:58:41 IDLE_PURGE: Device 3: no hosts deleted > 23/Dec/2003 16:58:41 IDLE_PURGE: FINISHED selection, 0 [out of 2] hosts > selected > 23/Dec/2003 16:58:41 IDLE_PURGE: Device 4: no hosts deleted > Cannot find user-level thread for LWP 11777: generic error > (gdb) > (gdb) bt full > #0 0x4b510002 in send () from /lib/libc.so.6 > No symbol table info available. > Error accessing memory address 0x4b50fff0: No such process. > (gdb) > > > Regards > > Julien > _______________________________________________ > Ntop mailing list > [EMAIL PROTECTED] > http://listgateway.unipi.it/mailman/listinfo/ntop > _______________________________________________ Ntop mailing list [EMAIL PROTECTED] http://listgateway.unipi.it/mailman/listinfo/ntop
