Re: RDMAoE / lossless Ethernet (ewg: SC'09 BOF - Meeting notes)

2009-12-23 Thread Or Gerlitz
Liran Liss wrote: all the rdmaoe materials saying the lossless traffic class is a must, are you saying that this works well also without it? then why from architect point of view you have posed this requirement? lossless traffic can be achieved today using global pause, for example.

Re: [ANNOUNCE] OFED 1.5 rc6 release is available

2009-12-23 Thread Alexander Schmidt
On Tue, 22 Dec 2009 18:16:34 +0200 Vladimir Sokolovsky v...@dev.mellanox.co.il wrote: Hi, OFED 1.5-rc6 is available Notes: The tarball is available on: http://www.openfabrics.org/builds/ofed-1.5/release/OFED-1.5-rc6.tgz I've tried to download RC6, but openfabrics.org seems to be down.

Re: [PATCH] opensm/osm_mcast_mgr.c: fix osm_mcast_mgr_compute_max_hops for managed switch

2009-12-23 Thread Yevgeny Kliteynik
Hi Sasha, On 22/Dec/09 23:23, Sasha Khapyorsky wrote: Hi Yevgeny, On 11:46 Mon 21 Dec , Yevgeny Kliteynik wrote: If a certain mcast group has only one member, and this member is a switch, OSM fails to select this switch when trying to create spanning tree for this mcast group: ERR 0A08:

[PATCH v2] opensm/osm_mcast_mgr.c: fix osm_mcast_mgr_compute_max_hops for managed switch

2009-12-23 Thread Yevgeny Kliteynik
If a certain mcast group has only one member, and this member is a switch, OSM fails to select this switch when trying to create spanning tree for this mcast group: ERR 0A08: Unable to locate a suitable switch for group 0xC000 ERR 0A17: Unable to create spanning tree (IB_ERROR) for mlid 0xc000

RE: OpenFabrics server is not responding

2009-12-23 Thread Tziporet Koren
Bill - do you know who is the administrator that can fix this We cannot access git and also web site and ewg mailing list does not work Thanks Tziporet -- To unsubscribe from this list: send the line unsubscribe linux-rdma in the body of a message to majord...@vger.kernel.org More majordomo

[PATCH] IB/mlx4: fix post_recv wq overflow check

2009-12-23 Thread Or Gerlitz
the post recv flow should check wq overflow using the recv and not the send cq Signed-off-by: Or Gerlitz ogerl...@voltaire.com diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 989555c..2a97c96 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++

Re: RDMAoE / lossless Ethernet (ewg: SC'09 BOF - Meeting notes)

2009-12-23 Thread Roland Dreier
Liran, I would say that OTOH global pause isn't the way to go and OTHO IB RC functions quite bad when many packets are lost. As such RDMAoE without PFC and mapping priorities into TCs (the Ethernet VLs) isn't really for production, for any non trivial environment involving more then one

RE: OpenFabrics server is not responding

2009-12-23 Thread Woodruff, Robert J
Tziporet wrote, Bill - do you know who is the administrator that can fix this We cannot access git and also web site and ewg mailing list does not work I cannot access it either. Does anyone know where it is physically located ? woody -- To unsubscribe from this list: send the line unsubscribe

RE: OpenFabrics server is not responding

2009-12-23 Thread Tziporet Koren
Vlad Can you explain what you saw with other eth that are responding? Tziporet -Original Message- From: Woodruff, Robert J [mailto:robert.j.woodr...@intel.com] Sent: Wednesday, December 23, 2009 6:01 PM To: Tziporet Koren; Jeff Squyres; bec...@nas.nasa.gov; Bill Boas Cc: 'Jeffrey

Re: OpenFabrics server is not responding

2009-12-23 Thread Vladimir Sokolovsky
Tziporet Koren wrote: Vlad Can you explain what you saw with other eth that are responding? Tziporet There is a problem with primary network interface of the OFA server (eth0 69.55.231.195). Other three virtual interfaces work well and can be used for ssh (eth0:1 69.55.231.178, eth0:2

Re: RDMAoE / lossless Ethernet (ewg: SC'09 BOF - Meeting notes)

2009-12-23 Thread Or Gerlitz
Roland Dreier rdre...@cisco.com wrote: I agree that implementing DCB is important for IBoE, but why do you say that a classical ethernet fabric with global pause isn't usable?  That should be roughly equivalent to an IB fabric that uses only a single VL, which is the case for many production