From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5118AC433EF for ; Tue, 19 Jul 2022 06:09:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234639AbiGSGJf (ORCPT ); Tue, 19 Jul 2022 02:09:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229620AbiGSGJf (ORCPT ); Tue, 19 Jul 2022 02:09:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B7971F612 for ; Mon, 18 Jul 2022 23:09:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EB8E0B81862 for ; Tue, 19 Jul 2022 06:09:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32021C341C6; Tue, 19 Jul 2022 06:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658210971; bh=2Fg4uZnyZI5DOAZBJyoShkrECVQ14YdRCyIU9dHnTaM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MuHfsQf9fEHuOTUYSCxaZgKJEXXaIGL3NrSYLUF4BRNENp1WfweHytERa1A89+P5m FUT5mJ5mtSLlbh4zokcRYmxhPuuUOcPKe1ARrYBGVk+Xfp6e71koNhxwFAL6pxfqbA 7dpU9vZiUvdagr+fJ92AOtC/svHdqCRKZtteS7gkDMefqlppFRZdCLhkyPpxEi5F+S 8l0NK/Wr4xnBGXO/iI593SRu50gQaUj68Tx2AGPrdra39CBBTDYqI0UP9gPAznq2hP Otj/tqsAf5AqubkImkyRY+UVKw+uHAL9CEhfgFtCHkd+jgRTPC9LbT37/HmizLxbJO 6CgQOV3z65qpw== Date: Tue, 19 Jul 2022 09:09:27 +0300 From: Leon Romanovsky To: "Tung, Chien Tin" Cc: "linux-rdma@vger.kernel.org" , Saeed Mahameed , msanalla@nvidia.com Subject: Re: Unable to create max_qp QPs on Mellanox ConnectX-4/6 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Mon, Jul 18, 2022 at 03:10:48PM +0300, Leon Romanovsky wrote: > 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. We are working to provide more comprehensive fix, but for now, you can revert the following patch: 7f839965b2d7 ("net/mlx5: Update log_max_qp value to be 17 at most") Thanks > > Thanks