Date: Wed, 6 Sep 2006 16:15:27 +0300 From: a@zeos.net To: freebsd-questions@freebsd.org Subject: gdb does not want to attach to a primitive process Message-ID: <20060906131527.GA2027@localhost>
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Subject: gdb does not want to attach to a primitive process
I have written the next program:
// foo.c
#include <unistd.h>
int main(void) {
sleep(30);
return 0;
}
compiled it with
cc -g -o foo foo.c
then run it with
./foo
then switched to another tty and tried to attach to the process:
--- begin of screenshot ---
[elisej@localhost ~/Programming]$ ps
PID TT STAT TIME COMMAND
...............
2160 v5 S+ 0:00.00 ./foo
...............
[elisej@localhost ~/Programming]$ gdb
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 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-marcel-freebsd".
(gdb) attach 2160
Attaching to process 2160
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/solib-svr4.c:1443: internal-error: legacy_fetch_link_map_offsets called without legacy link_map support enabled.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) y
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/solib-svr4.c:1443: internal-error: legacy_fetch_link_map_offsets called without legacy link_map support enabled.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
Abort trap: 6 (core dumped)
--- end of screenshot ---
ttyv5 (were ./foo was running) reads the following:
--- begin of screenshot ---
[elisej@localhost ~/Programming]$ ./foo
Killed: 9
--- end of screenshot ---
Is this program too difficult to gdb?
Elisej Babenko
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