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 46388C433F5 for ; Fri, 20 May 2022 18:13:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352463AbiETSNI (ORCPT ); Fri, 20 May 2022 14:13:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352472AbiETSNE (ORCPT ); Fri, 20 May 2022 14:13:04 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id ED76418FF07 for ; Fri, 20 May 2022 11:13:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1653070380; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/AOybZKb70WodkybWDSKteedBAO9kzMuDYnCRqs8vlo=; b=IbLm0AFt9UVf3SajqcjGRw1BgNuHyZLVceU5Io1TX+Ckgnytv5b7dYZZyTRleleZl8/QFx i8pfWzWPWNirtxmNPa0DUFZnobullBQ41NfBFU72QNis5fYu7gGlwAjaQlWx/N1BN8ubqG oPHakXOwrPMvfT7FKOZ2CjOn5Hr4Lbc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-182-RlIBjhpmNqWU6skTwSy_Mw-1; Fri, 20 May 2022 14:12:54 -0400 X-MC-Unique: RlIBjhpmNqWU6skTwSy_Mw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0651F80A0B9; Fri, 20 May 2022 18:12:54 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.8]) by smtp.corp.redhat.com (Postfix) with ESMTP id 102227AE4; Fri, 20 May 2022 18:12:52 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: To: Tom Talpey Cc: dhowells@redhat.com, Hyunchul Lee , Steve French , CIFS , Long Li , Namjae Jeon Subject: Re: RDMA (smbdirect) testing MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <84588.1653070372.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Fri, 20 May 2022 19:12:52 +0100 Message-ID: <84589.1653070372@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Tom Talpey wrote: > SoftROCE is a bit of a hot mess in upstream right now. It's > getting a lot of attention, but it's still pretty shaky. > If you're testing, I'd STRONGLY recommend SoftiWARP. I'm having problems getting that working. I'm setting the client up with: rdma link add siw0 type siw netdev enp6s0 mount //192.168.6.1/scratch /xfstest.scratch -o rdma,user=3Dshares,pass=3D= ... and then see: CIFS: Attempting to mount \\192.168.6.1\scratch CIFS: VFS: _smbd_get_connection:1513 warning: device max_send_sge =3D 6 to= o small CIFS: VFS: _smbd_get_connection:1516 Queue Pair creation may fail CIFS: VFS: _smbd_get_connection:1519 warning: device max_recv_sge =3D 6 to= o small CIFS: VFS: _smbd_get_connection:1522 Queue Pair creation may fail CIFS: VFS: _smbd_get_connection:1559 rdma_create_qp failed -22 CIFS: VFS: _smbd_get_connection:1513 warning: device max_send_sge =3D 6 to= o small CIFS: VFS: _smbd_get_connection:1516 Queue Pair creation may fail CIFS: VFS: _smbd_get_connection:1519 warning: device max_recv_sge =3D 6 to= o small CIFS: VFS: _smbd_get_connection:1522 Queue Pair creation may fail CIFS: VFS: _smbd_get_connection:1559 rdma_create_qp failed -22 CIFS: VFS: cifs_mount failed w/return code =3D -2 in dmesg. Problem is, I don't know what to do about it:-/ David