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 BD06646EA8; Tue, 9 Sep 2025 07:27:59 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7AC8540281; Tue, 9 Sep 2025 07:27:59 +0200 (CEST) Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) by mails.dpdk.org (Postfix) with ESMTP id EB01B40270 for ; Tue, 9 Sep 2025 07:27:57 +0200 (CEST) Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-45ddddbe31fso16710545e9.1 for ; Mon, 08 Sep 2025 22:27:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind.com; s=google; t=1757395677; x=1758000477; darn=dpdk.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=yraJQWPOVKhw19x2agjkx4cuajaz3SOTMoT3YT9dyxk=; b=iMEZdqcRuCP7VQQNp0oPOpTt3vP2o0F1SDKrqo7NE/saVtvvtSWWtGnXPx4MBD/t3L gU0FowIZs/tQcWRn6mjSRbhBNEDhGIfHF7mHz+1n9HcXPlhWvYsEetrHP4fOptQFRdoB mvWw9MvWUG9evdM1BT8gy7utz6ebo09rDzWGNNDSetek6mzbhK24GENvECz0EN6mUGC+ qNrNGlzSaZvglB4O0DcZkwNT/Li/QtbNRFtgy3N+Ii+xxTsusjpi1fHoUes/p00Vy6tB 11Na1SZn3E4FYkL37ZwCfR1hOj9i3MnIYFQ0pbx6TEurWIW1ajCDXOubLPG7FWyhvV+e kn+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757395677; x=1758000477; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yraJQWPOVKhw19x2agjkx4cuajaz3SOTMoT3YT9dyxk=; b=e0F8/V8GQ3vAvs9DcweQCkBoNPuVNC8QzEhSdtSlOJvJwoPe9oNGjtVIjOD14945XH VBfnwIVSDiT9AcwTLHZZmUs3c93qR/qCMrllZUDsaYEIkaV7HTTF6SUW5uEa201CxEz1 0xLWNodjuwEmQEkhbTCiB25GTFFhSVcULBzHTXfBgUnN34ik/XdykOtUhlrdlWQzgzGO fyfQYnmf/vPP9ZvTY/XkzwykzCOSssKQ/c4+vZEVA8bbb+7JomXP9dwKa5sqz5qGQEkx zIoPqXrLlY72UaaQOTD4ofBwhhKq9ST0txfUbta8FvoWMvH0ziv+FPQczJ16fIGyTKFg 6/rQ== X-Gm-Message-State: AOJu0Yzwe9cF0xSAML1ovbOXZoAhpcqp1fHpd+Aey3uRW76ol078UUP8 +i4iQ7oJRYV/HnudbwrLx5gU/kauKksVvvH5mVanPTcdYYgFpw0r84N2vnHDPaHfIw== X-Gm-Gg: ASbGncsjxnF+g+WUV/65dSqJDtvjobC/AikGRu6O7EXT8KNmLSO54XOyK/3OGrwj1Qd tLXmNCvhYcW52M86krcMLmZQ7+0/OmSA2VpqaZjm+cLbTwX3tS7leSLqJpxMWKhnZtueCIJRL+B sm0G/PU04fttZI1qJ4PvSdqDFSw2jriY/NSV8bpY72AQafKnkFbuVVAw7RGBwrnaVcBIQGzoD7P NEYZw+pZhoeBaKNEJFfvC4gE4kE3qUlebjWV2zT1MXwic148Lj4X6h2erKtjsXN49q1b46SvzGz j7N9Bijo3J/jeAwXOJAGl19Pk3WwjLgisdEbN1Xww2HZVxnZKyeYjdzYUrvk2iAY09iYvkfeQtd wlE9plrz75j4kFrt8k1MKh5yMLqxjGZvuRd27vZXIqyo9nvfn X-Google-Smtp-Source: AGHT+IFeLvxWLRqgrWKSOYVcmpd9CzCGg1D12b+e3ZUClUBNU3k71pcVwO0GgufNIsbrNYwcIjySLg== X-Received: by 2002:a05:600c:3113:b0:45b:9a3b:34aa with SMTP id 5b1f17b1804b1-45dddea2e63mr112839635e9.16.1757395677436; Mon, 08 Sep 2025 22:27:57 -0700 (PDT) Received: from [10.17.1.39] ([185.13.181.2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45dda2021dfsm162905285e9.24.2025.09.08.22.27.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Sep 2025 22:27:56 -0700 (PDT) Message-ID: <90baf334-0c66-42f1-a4dc-0aa74e1ed6bd@6wind.com> Date: Tue, 9 Sep 2025 07:27:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [V2] net/qede: reduce the optimization level for gcc > 11 To: Stephen Hemminger Cc: dev@dpdk.org, Thomas Monjalon , Devendra Singh Rawat , Alok Prasad , Jerin Jacob , Olivier Matz , Edwin Brossette , stable@dpdk.org References: <20250903113252.2496087-1-thierry.herbelot@6wind.com> <20250908070414.1297844-1-thierry.herbelot@6wind.com> <20250908125913.7deb6fe6@hermes.local> Content-Language: en-US From: Thierry Herbelot In-Reply-To: <20250908125913.7deb6fe6@hermes.local> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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 9/8/25 21:59, Stephen Hemminger wrote: > On Mon, 8 Sep 2025 09:04:13 +0200 > Thierry Herbelot wrote: > >> +# no packet Rx with gcc > 11 with compiling with default -O3 or -O2 >> +if (cc.get_id() == 'gcc' and cc.version().version_compare('>11.0')) >> + base_cflags += '-O1' >> +endif > > Did you test with Gcc 14 and 15, it may be the bug is already fixed. As said in the commit log: "The same issue is also seen with gcc-12 and gcc-14." I did not test with gcc-15. The issue is not seen with clang20 (qede PMD compiled with -O3 works as expected). Best regards Thierry -- Thierry Herbelot CSE - Titulaire au collège Cadres Senior Software Engineer http://www.6wind.com/ Follow us: https://www.linkedin.com/company/6wind/ https://twitter.com/6WINDsoftware https://www.youtube.com/user/6windsoftware