Re: [Tipc-discussion] New file release tipc-1.3.10

[Mark H. <ma...@os...>]

On Wed, 2004-04-28 at 13:01, Jon Maloy wrote:
> /jon
> 
> Mark Haverkamp wrote:
> > On Tue, 2004-04-27 at 16:58, Jon Maloy wrote:
> >   
> > > Hi all,
> > > I just uploaded a new file release to SourceForge.
> > >     
> >   
> > > Has anybody tested the management interface all the way (Mark?)
> > >     
> > I've been trying it out.  I'm still having trouble in some
> > circumstances.  Sometimes, while the tipc benchmark program is running,
> > and I try to get information from the management interface I'll get
> > stuck waiting in poll.  If I kill the server side while stuck, the
> > client side will freeze and requires a reboot.  If I kill the program
> > waiting on the management interface first and then kill the server side
> > program, I have no problems. I haven't gotten too far into figuring out
> > what is going on with this one yet but it sounds like a lock problem. 
> > Especially since it only seems to happen with SMP.
> This may be one of the problems I solved in tipc-1.3.10: If you kill a
> node while
> there are pending connections to it, the auto-disconnect at the other
> end will hit 
> the node-lock a second time in the same thread, in
> "nodesub_unsubscribe()".
> I fixed this by making it unecessary to unlink the node-subscriber
> objects
> within the "handle_node_down()" upcall, -all such subscriptions are
> one-shot
> anyway. 
> The solution is not totally satisfactory, because the "abort_self"
> call and
> consequenctly the dispatcher upcall is called with the node lock set.
> I found no better solution right now, and it works.
> 
> Do you still have this problem with tipc-1.3.10 ?

I am seeing this with the latest cvs code.

Mark.
-- 
Mark Haverkamp <ma...@os...>