Comment 8 for bug 571612

Created attachment 409748
Andrew Beekhof's patch to fix this issue

Description of problem:
dlm_controld.pcmk segfaults on startup if network uses vlan, bonding or bridging and corosync/pacemaker is invoked too early

Version-Release number of selected component (if applicable):
bug and patch testet on 3.0.7 ubuntu lucid packages

How reproducible:
Configure any of the obove on top of the raw interface and start corosync before the network settles.

Additional info:
The issue is discussed here http://oss.clusterlabs.org/pipermail/pacemaker/2010-April/005954.html

Andrew Beekhof <email address hidden> posted the attached patch that fixes this issue.

gdb output is:
Core was generated by `dlm_controld.pcmk -q 0'.
Program terminated with signal 11, Segmentation fault.
#0 __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:31
        in ../sysdeps/x86_64/multiarch/../strlen.S
#0 __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:31
#1 0x00007f499565cd46 in *__GI___strdup (s=0x0) at strdup.c:42
#2 0x0000000000403f0c in dlm_process_node (key=<value optimized out>, value=0x1864a30, user_data=0x62a4f8) at /usr/src/packages/redhat-cluster/3.0.7/redhat-cluster-3.0.7/group/dlm_controld/pacemaker.c:136
#3 0x00007f4995cdbd73 in IA__g_hash_table_foreach (hash_table=0x1866050, func=0x403e40 <dlm_process_node>, user_data=0x62a4f8) at /build/buildd/glib2.0-2.24.0/glib/ghash.c:1325
#4 0x0000000000403c9e in update_cluster () at /usr/src/packages/redhat-cluster/3.0.7/redhat-cluster-3.0.7/group/dlm_controld/pacemaker.c:82
#5 0x0000000000415a4a in loop () at /usr/src/packages/redhat-cluster/3.0.7/redhat-cluster-3.0.7/group/dlm_controld/main.c:986
#6 0x000000000041659c in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/packages/redhat-cluster/3.0.7/redhat-cluster-3.0.7/group/dlm_controld/main.c:1295

hth,
Oliver