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Date:   Mon, 18 Jul 2022 15:10:48 +0300
From:   Leon Romanovsky <leon@kernel.org>
To:     "Tung, Chien Tin" <chien.tin.tung@intel.com>
Cc:     "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: Unable to create max_qp QPs on Mellanox ConnectX-4/6
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On Mon, Jul 18, 2022 at 03:48:26AM +0000, Tung, Chien Tin wrote:
> > On Thu, Jul 14, 2022 at 02:20:06PM +0000, Tung, Chien Tin wrote:
> > > No one is interested in helping with Create QP issue with Mellanox
> > controller?
> > 
> > 1. Both Jason and I had personal issues that prevented from us to
> > participate in linux-rdma ML.
> Okay,, I don't know what that means but I won't dwell on it.
> 
> > 2. max_qp is set by FW. Please contact NVidia support.
> I sent this issue to the mailing list because with different kernel I get different
> number with 5.18.5 creating 1/2 of QPs as RHEL 8.5/MOFED.
> If you still think this is a FW issue, I can certainly take it up with support.

We already started internal discussion about it. The observed behavior is
a combination of FW issues together with very questionable kernel patch
that tried to overcome them.

Thanks