From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: Re: [PATCH] osm_sa_guidinfo_record.c False duplicate GUID error messages Date: Thu, 05 Sep 2013 10:18:33 -0400 Message-ID: <522892B9.2000201@dev.mellanox.co.il> References: <6914cb0e-d864-4b06-abb6-59d392de852a@default> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <6914cb0e-d864-4b06-abb6-59d392de852a@default> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Line Holen Cc: Linux-Rdma List-Id: linux-rdma@vger.kernel.org On 9/3/2013 7:30 AM, Line Holen wrote: > If the same request is received twice then the second one will cause > error messages indicating duplicate alias GUIDs. In this case this is > a false warning. The second request should be treated as a void and > return success to the requester. > > Signed-off-by: Line Holen > > --- > > diff --git a/opensm/osm_sa_guidinfo_record.c b/opensm/osm_sa_guidinfo_record.c > index 8323b38..cfaf6f3 100644 > --- a/opensm/osm_sa_guidinfo_record.c > +++ b/opensm/osm_sa_guidinfo_record.c > @@ -638,6 +638,14 @@ static void set_guidinfo(IN osm_sa_t *sa, IN osm_madw_t *p_madw, > } > > add_alias_guid: > + /* Check whether the port already contain this alias guid > + at this index. If so we're done, continue to next */ > + if (set_alias_guid == (*p_port->p_physp->p_guids)[i]) { > + OSM_LOG(sa->p_log, OSM_LOG_DEBUG, > + "The alias GUID is already correctly assigned, continue\n"); > + continue; > + } > + I don't think this handles all the cases properly. Please see modified patch to follow this. -- Hal > /* allocate alias guid and add to alias guid table */ > p_alias_guid = osm_alias_guid_new(set_alias_guid, p_port); > if (!p_alias_guid) { > @@ -656,9 +664,12 @@ add_alias_guid: > /* alias GUID is a duplicate */ > OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5108: " > "Duplicate alias port GUID 0x%" PRIx64 > - " index %d base port GUID 0x%" PRIx64 "\n", > + " index %d base port GUID 0x%" PRIx64 > + ", alias GUID already assigned to " > + "base port GUID 0x%" PRIx64 "\n", > cl_ntoh64(p_alias_guid->alias_guid), i, > - cl_ntoh64(p_alias_guid->p_base_port->guid)); > + cl_ntoh64(p_alias_guid->p_base_port->guid), > + cl_ntoh64(p_alias_guid_check->p_base_port->guid)); > osm_alias_guid_delete(&p_alias_guid); > /* clear response guid at index to indicate duplicate */ > p_rcvd_rec->guid_info.guid[i % 8] = 0; > -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html