[Pkg-openmpi-maintainers] Bug#531522: RFH: error in dlopen?

[Aurelien Jarno]

Manuel Prinz a écrit :
> [ Please keep me or the bug in CC, as I'm not subscribed. Thanks! ]
> 
> Hi everyone,
> 
> I'm trying to find the reason for bug #531522. The Open MPI compiler
> wrapper of Open MPI 1.3.2 segfaults when called with fakeroot. I have
> the feeling that eglibc's dlopen()/dlsym() might be the problem but I'm
> not sure enough to file a bug report. It would be great if someone could
> have a look at it and enlighten me. It's blocking the Open MPI
> transition and I'm kinda lost at the moment.

Are you able to reproduce the problem without fakeroot?

> As far as I can say, the problem does not appear on a Lenny system with
> Open MPI 1.3.2. Before the transition started, I rebuilt all packages
> that depend on Open MPI in a sid chroot which worked fine. This was
> before the switch to eglibc. This is why I think it might be eglibc
> related, and not a problem in Open MPI itself.
> 
> I've not found a list of differences between glibc and eglibc that shed
> some light into that, so this is why I ask you, the experts. If I can
> provide any further information besides the backtraces in the bug log,
> please feel free to ask!
>

Then just downgrade to glibc to see if the problem disappears. You can
find glibc packages there: http://temp.aurel32.net/www

-- 
Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien at aurel32.net                 http://www.aurel32.net