[Pkg-openmpi-maintainers] Bug#439730: Bug#439730: Bug#439730: Bug#439730: Bug#439730: Please shut up libibverbs

Uwe Hermann uwe at hermann-uwe.de
Wed Aug 29 13:12:26 UTC 2007


On Wed, Aug 29, 2007 at 07:03:42AM -0500, Dirk Eddelbuettel wrote:
> 
> On 29 August 2007 at 11:34, Manuel Prinz wrote:
> | Am Montag, den 27.08.2007, 08:14 -0500 schrieb Dirk Eddelbuettel:
> | > I'd vote for actually 'Debian patching' the config file to set ^openib, and
> | > adding a line there "comment out if you have infinit band and want to use it".
> | 
> | I checked in a patch that modifies the config and documents the issue in
> | README.Debian. I wasn't able to test it yet, so I'm not tagging this bug
> | as pending.
> | 
> | Nevertheless, while patching I started not feeling very comfortable with
> | this, for the following reason: If one has InfiniBand, it will not be
> | working anymore, maybe without warning. To enable it again, one has to
> | do so on all nodes. If one doesn't have InfiniBand, all one gets is a
> | quite annoying warning but that doesn't influence the behavior at all.
> | 
> | So the question I asked myself is: Isn't it more reasonable to comment
> | out the configuration setting and add a line "uncomment if you want to
> | shut up libibverbs". This would not influence the runtime behavior at
> | all. Opinions?

I think the default should be a working Infiniband install, and somebody
who wants to silence a few messages can edit one or two lines in the
config file (no I don't use Infiniband myself, but I think it makes sense to
enable as much functionality per default as possible in this case; well,
except that there were some security implications or something, but I
don't think that's the case).

 
> It's tricky.  We could also use a debconf question once, and remember the
> value to rewrite the conf file, but maybe that makes life to complicated.

Yeah, overkill IMHO.

 
My 2 cents, Uwe.
-- 
http://www.hermann-uwe.de  | http://www.holsham-traders.de
http://www.crazy-hacks.org | http://www.unmaintained-free-software.org
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