Technical data

4. Packages
a crash a memory dump is generated in /var/log/dumps/core.<PID>. “PID” is the process
ID of the crashed process. You may analyze the state of the program on a Linux machine
with a fully compiled FBR as described below. The following example to be analyzed is the
program /usr/sbin/collectd, which was terminated with a SIGBUS. The dump was stored
in /tmp/core.collectd.
fli4l@eisler:~$ .fbr/fbr-trunk-x86/buildroot/output/host/usr/bin/i586-linux-gdb
GNU gdb (GDB) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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 "--host=x86_64-unknown-linux-gnu --target=i586-buildr
oot-linux-uclibc".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) set sysroot /project/fli4l/.fbr/fbr-trunk-x86/buildroot/output/target
(gdb) set debug-file-directory /project/fli4l/.fbr/fbr-trunk-x86/buildroot/outpu
t/debug
(gdb) file /project/fli4l/.fbr/fbr-trunk-x86/buildroot/output/target/usr/sbin/co
llectd
Reading symbols from /project/fli4l/.fbr/fbr-trunk-x86/buildroot/output/target/u
sr/sbin/collectd...Reading symbols from /project/fli4l/.fbr/fbr-trunk-x86/buildr
oot/output/debug/.build-id/8b/28ab573be4a2302e1117964edede2e54ebbdbf.debug...don
e.
done.
(gdb) core /tmp/core.collectd
[New LWP 2250]
[New LWP 2252]
[New LWP 2259]
[New LWP 2257]
[New LWP 2255]
[New LWP 2232]
[New LWP 2235]
[New LWP 2238]
[New LWP 2242]
[New LWP 2244]
[New LWP 2245]
[New LWP 2231]
[New LWP 2243]
[New LWP 2251]
[New LWP 2248]
[New LWP 2239]
[New LWP 2229]
[New LWP 2249]
[New LWP 2230]
[New LWP 2247]
[New LWP 2233]
[New LWP 2256]
[New LWP 2236]
[New LWP 2246]
[New LWP 2240]
245