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[209.91.167.254]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e907100f62sm40209846d6.60.2025.03.10.08.47.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Mar 2025 08:47:27 -0700 (PDT) Date: Mon, 10 Mar 2025 11:47:25 -0400 From: Trevor Woerner To: =?utf-8?B?5YiY6Zm254S2?= Cc: yocto-patches@lists.yoctoproject.org Subject: Re: Kernel and u-boot version selection in meta-rockchip Message-ID: <20250310154725.GA34977@localhost> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 10 Mar 2025 15:47:38 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/yocto-patches/message/1173 Hi Taoran, On Mon 2025-03-10 @ 11:10:31 AM, 刘陶然 wrote: > Hi Trevor, > I'm trying to build the scarthgap branch for meta-rockchip and got errors > in kernel and u-boot. > I noticed it is because of the receipts in the branch. Just like > https://git.yoctoproject.org/meta-rockchip/tree/recipes-kernel/linux/linux-torvalds-next_git.bb?h=scarthgap > > it's using next-20240904 from linux-torvalds-next > , > but the branches in this repository are expired very frequently. > > For the LTS version like scarthgap, when the version is frozen, it should > be set to stable(better to be LTS) versions of kernel and u-boot, isn't it? Yes it should, and it does... when it can. Yocto scarthgap is based on linux-6.6.y. All of the machines in meta-rockchip's scarthgap branch use oe-core's linux-yocto_6.6, except the radxa zero 3 machines and the orangepi-5-plus. The reason for this is because linux-6.6.y does not support these devices. oe-core scarthgap also provides a linux-yocto-dev kernel based on linux-6.9.y. This supports the orangepi-5-plus machine (so this machine uses that kernel in scarthgap) but linux-6.9.y still does not have support for the radxa zero 3 devices. Yocto master currently supports linux-6.12.y with linux-yocto and linux-6.14.y with linux-yocto-dev. linux-6.12.y supports both the radxa zero 3 devices and the orangepi-5-plus (which reminds me, I should update those machines since they're still using linux-yocto-dev). So I assume you're probably using scarthgap to build for a radxa zero 3 device since your comments are only true for that device. During the time-frame of scarthgap I was eager to be able to build for the radxa zero 3 since I had one and wanted to use it for a project. So I had to pull in what was (at that time) very experimental code to get it to work. I could back-port oe-core master's linux-yocto to scarthgap in order to support the radxa zero 3 in a more stable way. But perhaps a better solution would be to remove radxa zero 3 support from scarthgap and simply ask that master be used for this device. Thoughts? Best regards, Trevor