[Pkg-ofed-devel] Bug#612804: libmlx4-1: sybol ibv_cmd_reg_xrc_rcv_qp, version IBVERBS_1.1 not defined in file libibverbs.so.1 with link time reference (rebuild fixes the issue)

[Mario Lang]

Package: libmlx4-1
Version: 1.0-1
Severity: important

On a freshly upgraded Squeeze-based HPC Cluster I am getting the
following error message from openmpi's mpirun when it tries
to use the installed infiniband interconnect (mlx4 based cards):

libibverbs: Warning: couldn't load driver 'mlx4': /usr/lib/libmlx4-rdmav2.so: sybol ibv_cmd_reg_xrc_rcv_qp, version IBVERBS_1.1 not defined in file libibverbs.so.1 with link time reference

(I used "mpirun hpcc", in case you want to reproduce.
 But you will have to have a mlx4 card installed to actually trigger the
 issue.)

Rebuilding libmlx4 from source (apt-get source libmlx4 +
dpkg-buildpackage) and installing the resulting libmlx4-1 binary package
fixes this problem.

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