From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 29FFA158083 for ; Fri, 6 Sep 2024 09:45:34 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 8B6D22BC01C; Fri, 6 Sep 2024 09:45:28 +0000 (UTC) Received: from smarthost01c.ixn.mail.zen.net.uk (smarthost01c.ixn.mail.zen.net.uk [212.23.1.22]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 4D7D1E29EC for ; Fri, 6 Sep 2024 09:45:28 +0000 (UTC) Received: from [82.69.80.10] (helo=cube.localnet) by smarthost01c.ixn.mail.zen.net.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1smVWu-009860-7h for gentoo-user@lists.gentoo.org; Fri, 06 Sep 2024 09:45:27 +0000 From: Peter Humphrey To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Wayland and CPU load Date: Fri, 06 Sep 2024 10:45:26 +0100 Message-ID: <12533769.O9o76ZdvQC@cube> In-Reply-To: <3311358.aeNJFYEL58@rogueboard> References: <5814876.DvuYhMxLoT@cube> <2747710.mvXUDI8C0e@cube> <3311358.aeNJFYEL58@rogueboard> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-Originating-smarthost01c-IP: [82.69.80.10] Feedback-ID: 82.69.80.10 X-Archives-Salt: d5b6a4ef-1ec0-4b39-a12c-012da896fcef X-Archives-Hash: 47ec4c13344640016adecf3d60d7c217 On Friday 6 September 2024 10:10:47 BST Michael wrote: > On Friday 6 September 2024 01:33:04 BST Peter Humphrey wrote: > > On Friday 6 September 2024 00:21:31 BST Peter Humphrey wrote: > > > I think I know what it is: the kernel's list of firmware blobs is empty. > > > I > > > don't know where they all went, but it shouldn't be too hard to find > > > them. > > > > Indeed it was so. Now fixed and working fine. > > Without all requisite firmware for your graphics the Kwin compositor will > fall back to software rendering. As you've experienced without hardware > acceleration Kwin will eat up CPU cycles. > > Emerging sys-kernel/linux-firmware and configuring your system to use it > fixes the problem by providing the necessary code for the graphics card to > do the heavy lifting: Yes, I know, and I had it set up from when I acquired the machine. The mystery is why it was missing from my two most recent kernels. -- Regards, Peter.