[openib-general] uDAPL open HCA problem

[Grant Grundler]

On Fri, Oct 21, 2005 at 12:17:28PM -0400, Sayantan Sur wrote:
> Hello,
> 
> I have udapl over Gen2 setup on our cluster and am able to run udapl
> programs. However, sometimes I get this error (after a few runs of the
> same program):
> 
>  open_hca: ERR ib_at_ips_by_gid for mthca0
> dapls_ib_open_hca failed 40000
> 
> The machine is a AMD Opteron (Tyan S2895), with Mellanox MemFree cards
> (fw ver 5.1.0).

Folks here will still need to know:
1) Which kernel version?
2) Which SVN version of GEN2 are you using?

hth,
grant

> 
> lsmod on my machine shows this:
> 
> [surs at ro0:~] lsmod | grep ^ib
> ib_ipoib               48008  0 
> ib_uat                 14840  0 
> ib_at                  25696  1 ib_uat
> ib_sa                  17804  2 ib_ipoib,ib_at
> ib_ucm                 22280  0 
> ib_cm                  37744  1 ib_ucm
> ib_uverbs              35992  0 
> ib_umad                18208  0 
> ib_mthca              122656  0 
> ib_mad                 44072  4 ib_sa,ib_cm,ib_umad,ib_mthca
> ib_core                56192  8
> ib_ipoib,ib_sa,ib_ucm,ib_cm,ib_uverbs,ib_umad,ib_mthca,ib_mad
> 
> My infiniband devices are (created by hand):
> 
> [surs at ro0:~] ls -l /dev/infiniband/
> total 0
> crw-rw-rw-  1 root root 231, 191 2005-10-20 21:13 uat
> crw-rw-rw-  1 root root 231, 224 2005-10-20 21:12 ucm0
> crwxrwxrwx  1 root root 231, 192 2005-09-21 04:37 umad0
> crwxrwxrwx  1 root root 231, 192 2005-09-16 19:29 uverbs0
> crwxrwxrwx  1 root root 231, 192 2005-09-16 19:29 uverbs1
> 
> 
> I'd really appreciate if someone could help me understand what might be
> going wrong.
> 
> Thanks,
> Sayantan.
> 
> -- 
> http://www.cse.ohio-state.edu/~surs
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