From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 97FBF46F02; Tue, 16 Sep 2025 10:59:19 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CF680402CD; Tue, 16 Sep 2025 10:59:18 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id DD9D34028C for ; Tue, 16 Sep 2025 10:59:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1758013157; 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: in-reply-to:in-reply-to:references:references; bh=0g07RQhAdrl7zacZzQVbdeuw4NzlXSTXEJUrKwzGR08=; b=BOcih3eIfnh7+oyGO9Gtc8JUXp3gvakUoAyzAW8QfqjDZPEeBHtAai/cw3LuaW0hRFWM6d tuzrqHq5yX0npDNWlJwNj1sybt3JUN/96onWfyDswaYeLYvsrvRDCs6qE1ajpkctSFBCzB t6PgTouVwgTTaE7pAV0RrygTPHrvRwU= Received: from mail-lf1-f69.google.com (mail-lf1-f69.google.com [209.85.167.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-57-QFVEP2GMP-WJNS8xc9j4tQ-1; Tue, 16 Sep 2025 04:59:14 -0400 X-MC-Unique: QFVEP2GMP-WJNS8xc9j4tQ-1 X-Mimecast-MFC-AGG-ID: QFVEP2GMP-WJNS8xc9j4tQ_1758013153 Received: by mail-lf1-f69.google.com with SMTP id 2adb3069b0e04-56f85820d70so3890227e87.3 for ; Tue, 16 Sep 2025 01:59:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758013153; x=1758617953; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0g07RQhAdrl7zacZzQVbdeuw4NzlXSTXEJUrKwzGR08=; b=PvpVkF2A1VvBnFRaLx9H5KSm0Rey9nQJaZZJ6QPvrXC7APFwE9pG3W4Hgmp2QsbBIE wpJLh+Az9laFlHa8gXKpO8bIZM9Hvq7k764RgoiMvl+AGW5Nh6GlLn1wKUI1NprfbVQm MUYbxl9YGlkuDLWcnFfG0/tkUjw8oE6tqdtY1+2w/6Hox4hfJ52MO8LNe1qw5VUm1cNc dokSmP0ZH3eNceoHTjbSt82vmRQbnrD4gWdd7eyhKqOgS4caRusjp1OLDvo1OONwl64f lQHEUD9MV8k6GjeR7WTIyQdRD+kjXNWJz4VR5eJc8Qw/9u8CSSYwK/Svrupn7fEMO3iq Twvw== X-Gm-Message-State: AOJu0Yxke8WAmQihF8gXF/2Vzygr01pvxGG4q83B2KTBYcj/W5WECbjp z55+a7/RuzfHNLhFw895Q0CA+/mbCJrhPly8KFqwj5/Du6FrkRkvc9vfAHBeYUbPgiQu4pq3sji BTP+QrHO48IHCOKhGsgHitfOz9kqV0bkSyAG0Ab1unKBLWR1VVHN2WCy8rdGKiJFypjEZY4pT2b SCyp9Uh8UkrlsJAdOw010= X-Gm-Gg: ASbGncvEt7H8eV2BG4pE1XK5FOcAXHf0KvIHrRPudbZy/9qdV231L90qwS+0EvRxxGj yvXOsOQQkPYqDlK/mDqyIvHqHMm/FEMQRDB1cFZaxEYTSeu/yxgo7tPrEi/PAzU1UTTID7t4VH9 m6nPM0F+kur4ULLrMvTZa7C1M= X-Received: by 2002:a05:6512:3192:b0:55f:701f:933 with SMTP id 2adb3069b0e04-57050828c63mr4977304e87.41.1758013152577; Tue, 16 Sep 2025 01:59:12 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG5z2d9jUaO08XZ55YXrdmQEdy3FUz0gLYNKRYVRTAnRKHQS8vj+cVE6MeJchG2Nqnhk8Z4+laHJVGPvbc5AJE= X-Received: by 2002:a05:6512:3192:b0:55f:701f:933 with SMTP id 2adb3069b0e04-57050828c63mr4977295e87.41.1758013152143; Tue, 16 Sep 2025 01:59:12 -0700 (PDT) MIME-Version: 1.0 References: <20250908070414.1297844-1-thierry.herbelot@6wind.com> <20250909054023.3263401-1-thierry.herbelot@6wind.com> <20250909091724.2ea0615e@hermes.local> <151c401a-87dc-423c-8bae-89d325dc8c90@6wind.com> <20250910090926.204ff85d@hermes.local> In-Reply-To: <20250910090926.204ff85d@hermes.local> From: David Marchand Date: Tue, 16 Sep 2025 10:59:00 +0200 X-Gm-Features: AS18NWCqbhNN6DDVhfys6tJcYtO9UHh1FTZ-rhbgyjn9FSis1FbJfNB_VcKQkwg Message-ID: Subject: Re: [V3] net/qede: reduce the optimization level for gcc > 11 To: Stephen Hemminger , Thierry Herbelot Cc: dev@dpdk.org, Thomas Monjalon , Devendra Singh Rawat , Alok Prasad , Jerin Jacob , Olivier Matz , Edwin Brossette , stable@dpdk.org X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: _5FNGjNA6wctDFwUbtmSrl48mM7hBFGhzfTqQpQZLLI_1758013153 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Wed, 10 Sept 2025 at 18:42, Stephen Hemminger wrote: > On Wed, 10 Sep 2025 08:49:38 +0200 > Thierry Herbelot wrote: > > The error chain is: > > > > RX-nombufs > > => (testpmd) stats.rx_nombuf > > => (qede) p_stats->common.no_buff_discards > > => (qede/base) HILO_64_REGPAIR(mstats.no_buff_discard) > > (internal to the NIC) > > > > Thanks, lets root cause this (rather than paper it over) because +1 > other drivers may have same issue. Since no mbufs are present > looks like rx discriptor never made it to NIC I would add that if the descs do make it to the nic, maybe the (IOVA) addresses are incorrect. We changed the default IOVA not so long ago.. so maybe play with --iova-mode to continue investigations. -- David Marchand