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client-ip=199.233.217.200; helo=mail.netbsd.org; envelope-from=martin@netbsd.org; receiver= Received: from mail.netbsd.org (mail.netbsd.org [199.233.217.200]) by smtp4.osuosl.org (Postfix) with ESMTPS id 4093D40967 for ; Wed, 11 Nov 2026 14:45:52 +0000 (UTC) Received: by mail.netbsd.org (Postfix, from userid 1214) id C552084EC5; Wed, 11 Nov 2026 14:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netbsd.org; s=20240131; t=1794407751; bh=4flN0KEJqXkEWUXKe1wrUI57I6oDaXAmqDBW/K3TW9s=; h=Date:From:To:Subject; b=oI5S/MnKrsCZmkJcCIGus7LNMUVG6+G6HAIUoInv2ZoyjbZauBOxnhlm2NAxp2qYL a1ZbeHxnpxoWATK5IvRz0hwQLEdoYg3KTieTZQ93ZGN36mBN8/+QWb4k/dGX7HgU2A M5bA7EsEppc3VTFTUn+y5CPTOXhgWHh61kkhpRGY= Date: Wed, 11 Nov 2026 15:35:48 +0100 From: Martin Husemann To: u-boot@lists.u-boot-project.org Subject: RiscV SBI incompatibilities? Message-ID: X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi folks, maybe I tried something stupid, but it felt like a good idea at first. I am updating my VisionFive 2 board from an oldish installation with U-Boot 2024.10. To have as few moving parts as possible, I build 2026.10 with the same SBI that I had lying around from the original 2024.10 build, which happend to be OpenSBI 1.4. This failed spectacularily: most sbc_* calls for HSM fail with -3 (SBI_ERR_INVALID_PARAM). A few calls worked, like sbi_hart_start() and sbi_hart_get_status(), which told me the hartids I was using were valid, but then doing e.g. sbi_send_ipi() or sbi_remote_sfence_vma() failed. Does this ring a bell? Is it expected? Did I overlook a "minimal SBI version 1.X" somewhere? Martin