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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 798C4CC6B12 for ; Tue, 13 Oct 2026 17:55:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 41528607C8; Tue, 13 Oct 2026 17:55:03 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id IUMx5KbMi97l; Tue, 13 Oct 2026 17:55:02 +0000 (UTC) ARC-Filter: OpenARC Filter v1.3.2 smtp3.osuosl.org 4E78360745 Authentication-Results: smtp3.osuosl.org; arc=fail smtp.remote-ip=140.211.166.142 ARC-Seal: i=2; d=osuosl.org; s=arc; a=rsa-sha256; cv=fail; t=1791914102; b=XJqCra7aNzvyQY3ZdDY/W00vlU8wdaPZcntn2/ywtF9QgSx7DYsnR3WtGFC6h5687DvB 7Fe9dSFTIFeKrUqJAq9NtYnFBqFFUEdYyIoSHNgHR++luY/KGcLEmXZSQszTtN6u+YkUF p4XXjn4252x3g1ZmWyQcgY1aD7P2jGKjG9Id5FK3DCEGPjCsNkM5+h8lKjDkTPwTfC+Ef AQJGjIDXzTDUtqRwYIQ+AqNmmrWq7pTyywucAcxROadHSd7Yxp68s13fZWMDzqSZFLn2u LE7anHtjmDLawfHvuT07ik3wQw15Go0a0ulpXJoEJ80L6dKDNExYa+pJbaDlFVUw6Fg== ARC-Message-Signature: i=2; d=osuosl.org; s=arc; a=rsa-sha256; c=relaxed/relaxed; t=1791914102; h=X-Comment:DKIM-Signature:X-Original-To:Delivered-To:Received: Received:X-Virus-Scanned:X-Spam-Flag:X-Spam-Score:X-Spam-Level: X-Spam-Status:Received:ARC-Filter:Received-SPF:Received:Received: Received:Received:Date:To:Cc:Message-ID:References:MIME-Version: Content-Disposition:In-Reply-To:X-TUID:X-Last-TLS-Session-Version: X-Rspamd-Queue-Id:X-Spamd-Result:Subject:X-BeenThere: X-Mailman-Version:Precedence:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:Content-Type: Content-Transfer-Encoding:Errors-To:Sender; bh=txHuo8fO6EM19Cqx9XmSW5xwIxjvX2TLiv5uOi0ab9I=; b=RV5vEOAXazkwBIeDisb/cL+QpJjjscDXW9hXkeUIcF/uaBq9AfBgrr+U1/XzQS9bTJwi c/0F7znxwA1NpE5Kf4WO2sJDTFLJMwf9XTx4BT551azTKaglBBvnI0wguER1/7xkNX19k lz85BzGa4ZOJJbx51HzdTLkvPW7NC/KKkDpyLO0nrcCG8ca1NOuaIcX2yM4QphYQIQAyw 7WEw1qVt5HkhRslaGh+f9UvW1jjD2NnAqixqaiA9CCuRK0Dw6C9YllS++ZsD8/wkzad18 mVLTeR0aoZGENC4ePlDYLji6PEkYPsvtNgTeKsCFOvsORMtTR69hBX1KY2mkPuiMVLg== ARC-Authentication-Results: i=2; smtp3.osuosl.org; arc=fail smtp.remote-ip=140.211.166.142 X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=buildroot-bounces@buildroot.org; receiver= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=buildroot.org; s=default; t=1791914102; bh=txHuo8fO6EM19Cqx9XmSW5xwIxjvX2TLiv5uOi0ab9I=; h=Date:To:Cc:References:In-Reply-To:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=EJXLz4OQn3/g7UsdfvfqkYSjdVPG8WBaWyA2hdbGKFdDiKAOhNrhEYPMlb7p8+gWG wQlqDtAVwegca3BJxJPcPzn8QrKYCMgCKjJYNKHuWUI5zzAztFpG4UOfUIkxM+VDrt pxWmJTtLJjOasEB1mK230oGHUbVloJD47hirBUCFdBmJm9TJGXY3lr23aDtls4F0E0 RUQNvu5KkZ2I1TIKiF58t9pwBLRgetUjIppHGKhGaWYA1PVsLiQls95eZvR98SuKfH 6J1g2SLXJkxTda4E/BtLADTEJwBVTXUn5Vmns9Q0X3aZ7Lbf76/iPkgqosC4sHIgpW 2M85Td79ydkNw== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id 4E78360745; Tue, 13 Oct 2026 17:55:02 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists1.osuosl.org (Postfix) with ESMTP id 39EFD2AC for ; Tue, 13 Oct 2026 17:55:00 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 2A9AF60745 for ; Tue, 13 Oct 2026 17:55:00 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id iWffU0X1es2G for ; Tue, 13 Oct 2026 17:54:59 +0000 (UTC) ARC-Filter: OpenARC Filter v1.3.2 smtp3.osuosl.org 3AB7D6073B ARC-Seal: i=1; d=osuosl.org; s=arc; a=rsa-sha256; cv=none; t=1791914099; b=OEb33CNTZJdoUfR07OmpQhyUnxov47EhRxTZtWL2zgMdRYXf91l6KKaYwzxcl9Z76Ljd DjjGo1OVKuizEP+cRGQI3/Ij1qDAkacDVeqGwqwq5VdlQUKMUnGqPMogIZWpRUEHzEtVW 54FPzmbHsf2gbJ6JYFaYkF19AMz/I2xgw+tlXkOsElleUBjDkQErE37oU7Haq6DyBV4sR zKNpWMI/CKYP1Vcp3qszwHMpOXeTA9bHTiz4jaz/V0WOIOr4qE/l9mca5SzIQp4Y2wNdD ZT8Qt6VBOtiMgriNAJKh5x2iElzKgtEg1H2rPtUO5vDFi9Pg0fn9Iu1MB9MXX7B2ncw== ARC-Message-Signature: i=1; d=osuosl.org; s=arc; a=rsa-sha256; c=relaxed/relaxed; t=1791914099; h=Received-SPF:Received:Received:Received:DKIM-Signature:Date:From:To: Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To:X-TUID:X-Last-TLS-Session-Version: X-Rspamd-Queue-Id:X-Spamd-Result; bh=m2Vl6Q1/6edhBfJ99p3YiF5Y75wke5vNtv9tjHzCOMA=; b=UIWWDilHQrXwdLUlPxHB98N1/GHjoHiyewvgJVkG4BsSmtKAiYX5LGyCm36a/8XrqrLT IrKkFhbQG6g6h/VwTTKYFRPyqEG/ti7FcZ8YieGsaDJPaLQbO7Bd8yVmOiVk6oyT7H8+l ob9+6n576GcCOk1NsiwssT90KAlQqy2BFk7G2q+Xq/iTA7HUEH5HCpka0v+wwUKDpD4fJ sgMb+zyUn80pw6AbXD/fk6//KMqfgYBS2uQjyozswDa3qdfhXxB8P72R05JSI5HmKrp9K tcBgyNUQJqTwPHSoan7pKFltB0fV2g2tnwgDL6APRV/F3Fkb2ssSuOAK9z5STLadLBQ== ARC-Authentication-Results: i=1; smtp3.osuosl.org; dmarc=pass header.from=bootlin.com; dkim=pass header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=dkim header.b="tPRZ7Dl/"; arc=none smtp.remote-ip=185.171.202.116 Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=185.171.202.116; helo=smtpout-04.galae.net; envelope-from=thomas.petazzoni@bootlin.com; receiver= Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) by smtp3.osuosl.org (Postfix) with ESMTPS id 3AB7D6073B for ; Tue, 13 Oct 2026 17:54:58 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 51BA2C653F9 for ; Tue, 13 Oct 2026 17:55:52 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id B16A860362 for ; Tue, 13 Oct 2026 17:54:56 +0000 (UTC) Received: by mail.galae.net (Postcow, from userid 0) id 472D811D703F4; Tue, 13 Oct 2026 19:50:43 +0200 (CEST) Date: Sat, 10 Oct 2026 18:34:34 +0200 To: Fengwei Tan Cc: buildroot@buildroot.org, Francois Dugast Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-TUID: Z3JJjJeTxW9Z X-Last-TLS-Session-Version: None X-Rspamd-Queue-Id: 472D811D703F4 X-Spamd-Result: default: False [-3.27 / 30.00]; BAYES_HAM(-4.67)[97.96%]; DATE_IN_PAST(1.00)[73]; MID_RHS_NOT_FQDN(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_ZERO(0.00)[0]; MIME_TRACE(0.00)[0:+]; TAGGED_RCPT(0.00)[]; BCC(0.00)[]; FREEMAIL_TO(0.00)[outlook.com]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; DKIM_SIGNED(0.00)[bootlin.com:s=dkim]; NEURAL_HAM(-0.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_CC(0.00)[buildroot.org,gmail.com]; URIBL_BLOCKED(0.00)[localhost:rdns,localhost:helo,outlook.com:email,bootlin.com:url]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MAILCOW_DOMAIN_HEADER_FROM(0.00)[bootlin.com]; RCPT_COUNT_THREE(0.00)[3] Subject: Re: [Buildroot] [PATCH v2] configs/visionfive2_defconfig: bump Linux to 6.18.55 X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Petazzoni via buildroot Reply-To: Thomas Petazzoni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" On Sun, Oct 11, 2026 at 12:31:48AM +0800, Fengwei Tan wrote: > When running iperf3 with Linux 6.18.51 on VisionFive 2, one CPU core > stays at 100% load during the test, while network throughput is limited > to approximately 793 Mbits/sec: > > [ ID] Interval Transfer Bitrate > [ 5] 0.00-10.01 sec 945 MBytes 793 Mbits/sec receiver > > The regression was introduced in Linux 6.14 by commit df542f669307 > ("net: stmmac: Switch to zero-copy in non-XDP RX path"). It leads to > misaligned access exceptions when parsing packet headers. During the > iperf3 test, perf stat reported approximately 9.6 million alignment > faults over 5 seconds: > > $ perf stat -a -e alignment-faults -- sleep 5 > > Performance counter stats for 'system wide': > > 9620073 alignment-faults > > 5.029337000 seconds time elapsed > > The kernel must emulate these unaligned accesses, resulting in > significant overhead. > > The issue was fixed in Linux 6.18.52 [1]. Bump Linux to 6.18.55, the > latest stable release at the time of writing, to include the fix. > > [1] https://lore.kernel.org/all/2026091704-CVE-2026-90059-36e6@gregkh > > Fixes: 98aa14a186e1 ("configs/visionfive2: bump Linux to 6.18.51, U-Boot to 2026.07, and OpenSBI to 1.8.1") > Assisted-by: LLM > Signed-off-by: Fengwei Tan Applied to master, thanks! Best regards, Thomas Petazzoni -- Thomas Petazzoni, co-owner and CEO, Bootlin Embedded Linux and Kernel engineering and training https://bootlin.com _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot