[Linux-cluster] cman_tool join causes other nodes to kernel panic

David Teigland teigland at redhat.com
Mon May 16 06:58:59 UTC 2005

On Sun, May 15, 2005 at 11:06:23AM -0400, Dan B. Phung wrote:
> I was adding another node to my cluster, so I updated the configurations
> and did cman_tool join -w, which caused all the other nodes to kernel
> panic, which prompted reboot of the cluster.  I pasted the syslog of the
> blade I just added and the kernel panic message from the other blades
> below.  I've done this same procedure several times before, so I don't
> know why this time it caused this assertion.
> on the other machines, I see this:
> SM:  Assertion failed on line 52 of file 
> /usr/src/cluster-2.6.9/cman-kernel/src/sm_misc.c
> SM:  assertion:  "!error"
> SM:  time = 272181619

This means there's some sort of internal consistency error within cman.
If you could explain in more detail the steps you took prior to this I'll
try to reproduce it.  It sounds like you may have been updating
cluster.conf while the cluster was running.  If so, what exactly did you


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