Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Segmentation fault in mca_btl_tcp
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2010-04-15 07:40:46


On Apr 15, 2010, at 3:18 AM, Ake Sandgren wrote:

> We sometimes see mysterious crashes like this one. At least some of them
> are caused by port scanners, i.e. unexpected non-mpi related packets
> coming in on the sockets will sometimes cause havoc.

Ooohhh... ouch.

> We've been getting http traffic in the jobs stdout/err sometimes. That
> really makes the users confused :-)

Yikes!

This is definitely bug-worthy; I'll go file one right now. Probably won't be fixed for 1.4.x, but I think we should be able to fix this somewhere in the 1.5 series. I didn't realize that this was happening out in the real world!

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/