[Linux-cluster] GFS: assertion failure in add_to_queue

[Ferenc Wagner]

Robert Clark <cluster at defuturo.co.uk> writes:

> On Fri, 2008-01-04 at 15:49 +0100, Ferenc Wagner wrote:
>
>> I'm using a 1-node GFS1 "cluster" with DLM locking and sporadically
>> (say once a week) get the following in the kernel logs (Linux 2.6.23):
>> 
>> GFS: fsid=noc:cricket.0: warning: assertion "(tmp_gh->gh_flags & GL_LOCAL_EXCL) || !(gh->gh_flags & GL_LOCAL_EXCL)" failed
>> GFS: fsid=noc:cricket.0:   function = add_to_queue
>> GFS: fsid=noc:cricket.0:   file = /home/wferi/cluster/cluster-2.01.00/gfs-kernel/src/gfs/glock.c, line = 1420
>> GFS: fsid=noc:cricket.0:   time = 1197666253
>
>   Could be this:
>
>     https://bugzilla.redhat.com/show_bug.cgi?id=272301
>
> We're seeing it too. The trigger is a process attempting multiple locks
> on a single file. Occasionally it seems to cause an oops & panic as
> well.
>
> As far as I know, there's no fix available for it at the moment.

Thanks for the reply.  Though that's far from comforting...
-- 
Regards,
Feri.