[Linux-cluster] lock_dlm kernel panics

[Bas van der Vlies]

On Mar 17, 2006, at 11:40 PM, David Teigland wrote:

> On Fri, Mar 17, 2006 at 03:38:59PM -0600, Paul Tader wrote:
>> Mar 17 11:38:02 nodename kernel: d0 unlock fe20017a no id
>
> GFS is trying to unlock a lock that doesn't exist which causes the  
> panic.
> We know this happens if cman shuts down the dlm while it's in use  
> (cman
> does this if it's lost connection with the cluster.)  There's some new
> output in the RHEL4U3 dlm that should tell us if that's in fact what's
> happening or if there's some other cause that we need to uncover.
>
> So, you should look on all nodes for any cman messages in
> /var/log/messages or the console.  And when you're using the latest
> version look for the new dlm message "WARNING:  
> dlm_emergency_shutdown".
>

We had a similiar problem on our 4 node GFS cluster. I have send the  
crash reports
to the list as attachment for all 4 nodes. One cman crash and 3 dlm  
crashes.

Can the list handle attachments or must i send it inline?

nodes:
2.6.16-rc5 kernel
GFS cvs STABLE




--
Bas van der Vlies
basv at sara.nl