Re: IB / MLX setup issues

[Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

On Mon, May 03, 2010 at 05:05:47PM -0500, Todd Strader wrote:
> Hi,
> 
> I'm running into some issues when trying to set up a new IB cluster.
> I've got machine A which has connections to machine B and C via a
> single two-port ConnectX card.  A and B are connected and have no
> known problems.  I just set up machine C (installed OFED-1.5.1) but
> whenever I run ibv_devinfo I get:
> 
> libibverbs: Warning: couldn't load driver 'mlx4':
> /usr/local/lib/libmlx4-rdmav2.so: symbol ibv_cmd_get_eth_l2_addr,
> version IBVERBS_1.0 not defined in file libibverbs.so.1 with link
> time reference
> libibverbs: Warning: no userspace device-specific driver found for
> /sys/class/infiniband_verbs/uverbs2
> libibverbs: Warning: no userspace device-specific driver found for
> /sys/class/infiniband_verbs/uverbs1
> libibverbs: Warning: no userspace device-specific driver found for
> /sys/class/infiniband_verbs/uverbs0
> No IB devices found
> 
> The machine does have 3 HCAs.  For reference OFED 1.5.1 has
> deposited the following RPMs on the system:
> libmlx4-1.0-0.7.g2432360
> libmlx4-devel-1.0-0.7.g2432360
> libibverbs-1.1.3-0.6.g932f1a2
> libibverbs-devel-1.1.3-0.6.g932f1a2
> libibverbs-devel-static-1.1.3-0.6.g932f1a2
> 

So you only have some installation problem on machine C. By default, OFED
installation script will install to /usr and I see that in C the
prefix is /usr/local - is this what you intended? I think you may have
old libraries in the library path so you may need to remve them.
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